diff --git a/api/common.go b/api/common.go
index 6d6b507..5a44c4c 100644
--- a/api/common.go
+++ b/api/common.go
@@ -1,8 +1,13 @@
 package api
 
 import (
+	"context"
+	"git.aiterp.net/stufflog3/stufflog3-api/internal/auth"
+	"git.aiterp.net/stufflog3/stufflog3-api/internal/database"
+	"git.aiterp.net/stufflog3/stufflog3-api/internal/models"
 	"git.aiterp.net/stufflog3/stufflog3-api/internal/slerrors"
 	"github.com/gin-gonic/gin"
+	"net/http"
 	"strconv"
 )
 
@@ -29,3 +34,37 @@ func reqInt(c *gin.Context, key string) (int, error) {
 
 	return v, nil
 }
+
+var scopeIdContextKey = struct{ stuff string }{stuff: "Things"}
+
+func scopeIDMiddleware(db database.Database) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		scopeID, err := strconv.Atoi(c.Param("scope_id"))
+		if err != nil {
+			c.AbortWithStatusJSON(http.StatusUnauthorized, slerrors.ErrorResponse{
+				Code:    http.StatusBadRequest,
+				Message: "Invalid scope ID in path!",
+			})
+
+			return
+		}
+
+		scope, err := db.Scopes().Find(c.Request.Context(), scopeID, c.Request.Method != "GET")
+		if err != nil || !scope.HasMember(auth.UserID(c)) {
+			c.AbortWithStatusJSON(http.StatusUnauthorized, slerrors.ErrorResponse{
+				Code:    http.StatusNotFound,
+				Message: "Scope not found or you don't have permission to it!",
+			})
+
+			return
+		}
+
+		c.Request = c.Request.WithContext(
+			context.WithValue(c.Request.Context(), &scopeIdContextKey, scope),
+		)
+	}
+}
+
+func getScope(c *gin.Context) *models.Scope {
+	return c.Request.Context().Value(&scopeIdContextKey).(*models.Scope)
+}
diff --git a/api/items.go b/api/items.go
new file mode 100644
index 0000000..524e65a
--- /dev/null
+++ b/api/items.go
@@ -0,0 +1,72 @@
+package api
+
+import (
+	"git.aiterp.net/stufflog3/stufflog3-api/internal/auth"
+	"git.aiterp.net/stufflog3/stufflog3-api/internal/database"
+	"git.aiterp.net/stufflog3/stufflog3-api/internal/models"
+	"git.aiterp.net/stufflog3/stufflog3-api/internal/slerrors"
+	"github.com/gin-gonic/gin"
+	"time"
+)
+
+func Items(g *gin.RouterGroup, db database.Database) {
+	g.Use(scopeIDMiddleware(db))
+
+	g.GET("/:id", handler("item", func(c *gin.Context) (interface{}, error) {
+		id, err := reqInt(c, "id")
+		if err != nil {
+			return nil, err
+		}
+
+		item, err := db.Items(getScope(c).ID).Find(c.Request.Context(), id)
+		if err != nil {
+			return nil, err
+		}
+		for _, member := range getScope(c).Members {
+			if member.ID == item.OwnerID {
+				item.Owner = &member
+			}
+		}
+
+		return item, nil
+	}))
+
+	g.POST("/", handler("item", func(c *gin.Context) (interface{}, error) {
+		item := &models.Item{}
+		err := c.BindJSON(item)
+		if err != nil {
+			return nil, slerrors.BadRequest("Invalid JSON input: " + err.Error())
+		}
+
+		item.CreatedTime = time.Now()
+
+		if item.Name == "" {
+			return nil, slerrors.BadRequest("Blank item name not allowed")
+		}
+		if item.OwnerID == "" {
+			item.OwnerID = auth.UserID(c)
+		} else if getScope(c).HasMember(item.OwnerID) {
+			return nil, slerrors.Forbidden("Owner is not part of scope.")
+		}
+		if item.ProjectRequirementID != nil {
+			// TODO: Ensure project requirement exists in scope.
+			return nil, slerrors.Forbidden("TODO: check project requirement ID.")
+		}
+		for _, stat := range item.Stats {
+			if getScope(c).Stat(stat.ID) == nil {
+				return nil, slerrors.Forbidden("One or more stats are not part of scope.")
+			}
+			if stat.Acquired == 0 && stat.Required == 0 {
+				return nil, slerrors.BadRequest("0/0 stats are not allowed when creating items.")
+			}
+		}
+
+		item, err = db.Items(getScope(c).ID).Create(c.Request.Context(), *item)
+		if err != nil {
+			return nil, err
+		}
+		item.Owner = getScope(c).Member(item.OwnerID)
+
+		return item, err
+	}))
+}
diff --git a/api/scope.go b/api/scope.go
index 7967d3e..b966e95 100644
--- a/api/scope.go
+++ b/api/scope.go
@@ -18,7 +18,7 @@ func Scopes(g *gin.RouterGroup, db database.Database) {
 			return nil, err
 		}
 
-		scope, err := db.Scopes().Find(c.Request.Context(), id)
+		scope, err := db.Scopes().Find(c.Request.Context(), id, true)
 		if err != nil {
 			return nil, err
 		}
diff --git a/cmd/stufflog3-server.go b/cmd/stufflog3-server.go
index db2a398..5a69139 100644
--- a/cmd/stufflog3-server.go
+++ b/cmd/stufflog3-server.go
@@ -34,6 +34,7 @@ func main() {
 	}
 
 	api.Scopes(server.Group("/api/scopes"), db)
+	api.Items(server.Group("/api/scope/:scope_id/items"), db)
 
 	exitSignal := make(chan os.Signal)
 	signal.Notify(exitSignal, os.Interrupt, os.Kill, syscall.SIGTERM)
diff --git a/internal/database/database.go b/internal/database/database.go
index fcfc8f6..7c068e2 100644
--- a/internal/database/database.go
+++ b/internal/database/database.go
@@ -10,10 +10,11 @@ type Database interface {
 	Scopes() ScopeRepository
 	Stats(scopeID int) StatRepository
 	Items(scopeID int) ItemRepository
+	ItemsMultiScope(scopeIDs []int) ItemRepository
 }
 
 type ScopeRepository interface {
-	Find(ctx context.Context, id int) (*models.Scope, error)
+	Find(ctx context.Context, id int, full bool) (*models.Scope, error)
 	List(ctx context.Context) ([]models.ScopeEntry, error)
 	ListByUser(ctx context.Context, userID string) ([]models.ScopeEntry, error)
 	Create(ctx context.Context, scope models.ScopeEntry, owner models.ScopeMember) (*models.Scope, error)
@@ -33,7 +34,30 @@ type StatRepository interface {
 
 type ItemRepository interface {
 	Find(ctx context.Context, id int) (*models.Item, error)
-	List(ctx context.Context) ([]models.Item, error)
+	ListCreated(ctx context.Context, from, to time.Time) ([]models.Item, error)
 	ListAcquired(ctx context.Context, from, to time.Time) ([]models.Item, error)
-	Create(ctx context.Context, stat models.Stat) (*models.Item, error)
+	ListScheduled(ctx context.Context, from, to models.Date) ([]models.Item, error)
+	ListLoose(ctx context.Context, from, to time.Time) ([]models.Item, error)
+	Create(ctx context.Context, item models.Item) (*models.Item, error)
+	Update(ctx context.Context, item models.Item, update models.ItemUpdate) (*models.Item, error)
+	Delete(ctx context.Context, item models.Item) error
+}
+
+type ItemMultiScopeRepository interface {
+	ListCreated(ctx context.Context, from, to time.Time) ([]models.Item, error)
+	ListAcquired(ctx context.Context, from, to time.Time) ([]models.Item, error)
+	ListScheduled(ctx context.Context, from, to models.Date) ([]models.Item, error)
+	ListLoose(ctx context.Context, from, to time.Time) ([]models.Item, error)
+}
+
+type ProjectRepository interface {
+	Find(ctx context.Context, id int) (*models.Project, error)
+	List(ctx context.Context) ([]models.Project, error)
+	Create(ctx context.Context, project models.Project) (*models.Project, error)
+	Update(ctx context.Context, project models.Project) (*models.Project, error)
+	Delete(ctx context.Context, project models.ProjectEntry) error
+
+	AddRequirement(ctx context.Context, project models.ProjectEntry, requirement models.ProjectRequirement)
+	UpdateRequirement(ctx context.Context, project models.ProjectEntry, requirement models.ProjectRequirement, update models.ProjectRequirementUpdate)
+	DeleteRequirement(ctx context.Context, project models.ProjectEntry, requirement models.ProjectRequirement)
 }
diff --git a/internal/database/mysql/database.go b/internal/database/mysql/database.go
index 82189b1..44d90f7 100644
--- a/internal/database/mysql/database.go
+++ b/internal/database/mysql/database.go
@@ -23,6 +23,10 @@ func (d *Database) Stats(scopeID int) database.StatRepository {
 }
 
 func (d *Database) Items(scopeID int) database.ItemRepository {
+	return &itemRepository{db: d.db, scopeID: scopeID}
+}
+
+func (d *Database) ItemsMultiScope(scopeIDs []int) database.ItemRepository {
 	//TODO implement me
 	panic("implement me")
 }
diff --git a/internal/database/mysql/items.go b/internal/database/mysql/items.go
new file mode 100644
index 0000000..ed19914
--- /dev/null
+++ b/internal/database/mysql/items.go
@@ -0,0 +1,354 @@
+package mysql
+
+import (
+	"context"
+	"database/sql"
+	"git.aiterp.net/stufflog3/stufflog3-api/internal/database/mysql/mysqlcore"
+	"git.aiterp.net/stufflog3/stufflog3-api/internal/models"
+	"git.aiterp.net/stufflog3/stufflog3-api/internal/slerrors"
+	"git.aiterp.net/stufflog3/stufflog3-api/internal/sqltypes"
+	"strings"
+	"time"
+)
+
+type itemRepository struct {
+	db      *sql.DB
+	scopeID int
+}
+
+func (r *itemRepository) Find(ctx context.Context, id int) (*models.Item, error) {
+	res, err := mysqlcore.New(r.db).GetItem(ctx, id)
+	if err != nil {
+		if err == sql.ErrNoRows {
+			return nil, slerrors.NotFound("Item")
+		}
+		return nil, err
+	}
+	if res.ScopeID != r.scopeID {
+		return nil, slerrors.NotFound("Item")
+	}
+
+	item := r.resToItem(mysqlcore.ListItemsAcquiredBetweenRow(res))
+
+	stats, _ := mysqlcore.New(r.db).ListItemStatProgress(ctx, id)
+	for _, stat := range stats {
+		item.Stats = append(item.Stats, models.StatProgressEntry{
+			StatEntry: models.StatEntry{
+				ID:     int(stat.ID.Int32),
+				Name:   stat.Name.String,
+				Weight: stat.Weight,
+			},
+			Acquired: stat.Acquired,
+			Required: stat.Required,
+		})
+	}
+
+	return &item, nil
+}
+
+func (r *itemRepository) ListCreated(ctx context.Context, from, to time.Time) ([]models.Item, error) {
+	rows, err := mysqlcore.New(r.db).ListItemsCreatedBetween(ctx, mysqlcore.ListItemsCreatedBetweenParams{
+		CreatedTime:   from,
+		CreatedTime_2: to,
+		ScopeID:       r.scopeID,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	items := make([]models.Item, 0, len(rows))
+	for _, row := range rows {
+		items = append(items, r.resToItem(mysqlcore.ListItemsAcquiredBetweenRow(row)))
+	}
+
+	err = r.fillStats(ctx, items)
+	if err != nil {
+		return nil, err
+	}
+
+	return items, nil
+}
+
+func (r *itemRepository) ListAcquired(ctx context.Context, from, to time.Time) ([]models.Item, error) {
+	rows, err := mysqlcore.New(r.db).ListItemsAcquiredBetween(ctx, mysqlcore.ListItemsAcquiredBetweenParams{
+		AcquiredTime:   sql.NullTime{Valid: true, Time: from},
+		AcquiredTime_2: sql.NullTime{Valid: true, Time: to},
+		ScopeID:        r.scopeID,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	items := make([]models.Item, 0, len(rows))
+	for _, row := range rows {
+		items = append(items, r.resToItem(row))
+	}
+
+	err = r.fillStats(ctx, items)
+	if err != nil {
+		return nil, err
+	}
+
+	return items, nil
+}
+
+func (r *itemRepository) ListScheduled(ctx context.Context, from, to models.Date) ([]models.Item, error) {
+	rows, err := mysqlcore.New(r.db).ListItemsScheduledBetween(ctx, mysqlcore.ListItemsScheduledBetweenParams{
+		ScheduledDate:   sqltypes.NullDate{Valid: true, Date: from},
+		ScheduledDate_2: sqltypes.NullDate{Valid: true, Date: to},
+		ScopeID:         r.scopeID,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	items := make([]models.Item, 0, len(rows))
+	for _, row := range rows {
+		items = append(items, r.resToItem(mysqlcore.ListItemsAcquiredBetweenRow(row)))
+	}
+
+	err = r.fillStats(ctx, items)
+	if err != nil {
+		return nil, err
+	}
+
+	return items, nil
+}
+
+func (r *itemRepository) ListLoose(ctx context.Context, from, to time.Time) ([]models.Item, error) {
+	rows, err := mysqlcore.New(r.db).ListItemsLooseBetween(ctx, mysqlcore.ListItemsLooseBetweenParams{
+		CreatedTime:   from,
+		CreatedTime_2: to,
+		ScopeID:       r.scopeID,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	items := make([]models.Item, 0, len(rows))
+	for _, row := range rows {
+		items = append(items, r.resToItem(mysqlcore.ListItemsAcquiredBetweenRow(row)))
+	}
+
+	err = r.fillStats(ctx, items)
+	if err != nil {
+		return nil, err
+	}
+
+	return items, nil
+}
+
+func (r *itemRepository) Create(ctx context.Context, item models.Item) (*models.Item, error) {
+	item.Stats = append(item.Stats[:0:0], item.Stats...)
+
+	tx, err := r.db.BeginTx(ctx, nil)
+	if err != nil {
+		return nil, err
+	}
+	defer tx.Rollback()
+	q := mysqlcore.New(tx)
+
+	prID, acqTime, schDate := r.generateNullables(item)
+
+	res, err := q.InsertItem(ctx, mysqlcore.InsertItemParams{
+		ScopeID:              r.scopeID,
+		ProjectRequirementID: prID,
+		Name:                 item.Name,
+		Description:          item.Description,
+		CreatedTime:          time.Now(),
+		CreatedUserID:        item.OwnerID,
+		AcquiredTime:         acqTime,
+		ScheduledDate:        schDate,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	id, err := res.LastInsertId()
+	if err != nil {
+		return nil, err
+	}
+
+	for _, stat := range item.Stats {
+		err = q.ReplaceItemStatProgress(ctx, mysqlcore.ReplaceItemStatProgressParams{
+			ItemID:   int(id),
+			StatID:   stat.ID,
+			Acquired: stat.Acquired,
+			Required: stat.Required,
+		})
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	err = tx.Commit()
+	if err != nil {
+		return nil, err
+	}
+
+	return r.Find(ctx, int(id))
+}
+
+func (r *itemRepository) generateNullables(item models.Item) (prID sql.NullInt32, acqTime sql.NullTime, schDate sqltypes.NullDate) {
+	if item.ProjectRequirementID != nil {
+		prID.Valid = true
+		prID.Int32 = int32(*item.ProjectRequirementID)
+	}
+	if item.AcquiredTime != nil {
+		acqTime.Valid = true
+		acqTime.Time = *item.AcquiredTime
+	}
+	if item.ScheduledDate != nil {
+		schDate.Valid = true
+		schDate.Date = *item.ScheduledDate
+	}
+
+	return
+}
+
+func (r *itemRepository) Update(ctx context.Context, item models.Item, update models.ItemUpdate) (*models.Item, error) {
+	tx, err := r.db.BeginTx(ctx, nil)
+	if err != nil {
+		return nil, err
+	}
+	defer tx.Rollback()
+	q := mysqlcore.New(r.db)
+
+	item.ApplyUpdate(update)
+
+	prID, acqTime, schDate := r.generateNullables(item)
+
+	err = q.UpdateItem(ctx, mysqlcore.UpdateItemParams{
+		ID: item.ID,
+
+		ProjectRequirementID: prID,
+		Name:                 item.Name,
+		Description:          item.Description,
+		AcquiredTime:         acqTime,
+		ScheduledDate:        schDate,
+		CreatedUserID:        item.OwnerID,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	for _, stat := range update.Stats {
+		if stat.Acquired == 0 && stat.Required == 0 {
+			err = q.DeleteItemStatProgress(ctx, mysqlcore.DeleteItemStatProgressParams{
+				ItemID: item.ID,
+				StatID: stat.ID,
+			})
+		} else {
+			err = q.ReplaceItemStatProgress(ctx, mysqlcore.ReplaceItemStatProgressParams{
+				ItemID:   item.ID,
+				StatID:   stat.ID,
+				Acquired: stat.Acquired,
+				Required: stat.Required,
+			})
+		}
+
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	err = tx.Commit()
+	if err != nil {
+		return nil, err
+	}
+
+	return r.Find(ctx, item.ID)
+}
+
+func (r *itemRepository) Delete(ctx context.Context, item models.Item) error {
+	tx, err := r.db.BeginTx(ctx, nil)
+	if err != nil {
+		return err
+	}
+	defer tx.Rollback()
+	q := mysqlcore.New(r.db)
+
+	err = q.DeleteItem(ctx, item.ID)
+	if err != nil {
+		return err
+	}
+	err = q.ClearItemStatProgress(ctx, item.ID)
+	if err != nil {
+		return err
+	}
+
+	return tx.Commit()
+}
+
+func (r *itemRepository) resToItem(res mysqlcore.ListItemsAcquiredBetweenRow) models.Item {
+	item := models.Item{
+		ID:          res.ID,
+		ScopeID:     res.ScopeID,
+		OwnerID:     res.CreatedUserID,
+		Name:        res.Name,
+		Description: res.Description,
+		CreatedTime: res.CreatedTime.UTC(),
+	}
+	if res.ProjectRequirementID.Valid {
+		projectRequirementID := int(res.ProjectRequirementID.Int32)
+		projectID := int(res.ProjectID.Int32)
+		item.ProjectRequirementID = &projectRequirementID
+		item.ProjectID = &projectID
+	}
+	if res.ScheduledDate.Valid {
+		item.ScheduledDate = &res.ScheduledDate.Date
+	}
+	if res.AcquiredTime.Valid {
+		item.AcquiredTime = &res.AcquiredTime.Time
+	}
+
+	return item
+}
+
+func (r *itemRepository) fillStats(ctx context.Context, items []models.Item) error {
+	if len(items) == 0 {
+		return nil
+	}
+
+	ids := make([]interface{}, 0, len(items))
+	for _, item := range items {
+		ids = append(ids, item.ID)
+	}
+	query := `
+		SELECT isp.item_id, isp.required, isp.acquired, s.id, s.name, s.weight FROM item_stat_progress isp
+		LEFT JOIN stat s ON s.id = isp.stat_id
+		WHERE item_id IN (?` + strings.Repeat(",?", len(ids)-1) + `);
+	`
+
+	rows, err := r.db.QueryContext(ctx, query, ids...)
+	if err != nil {
+		return err
+	}
+
+	for rows.Next() {
+		var itemID, required, acquired, statID int
+		var statName string
+		var statWeight float64
+
+		err = rows.Scan(&itemID, &required, &acquired, &statID, &statName, &statWeight)
+		if err != nil {
+			return err
+		}
+
+		for i := range items {
+			if items[i].ID == itemID {
+				items[i].Stats = append(items[i].Stats, models.StatProgressEntry{
+					StatEntry: models.StatEntry{
+						ID:     statID,
+						Name:   statName,
+						Weight: statWeight,
+					},
+					Acquired: acquired,
+					Required: required,
+				})
+			}
+		}
+	}
+
+	return nil
+}
diff --git a/internal/database/mysql/mysqlcore/db.go b/internal/database/mysql/mysqlcore/db.go
index 60a8a62..70791b9 100644
--- a/internal/database/mysql/mysqlcore/db.go
+++ b/internal/database/mysql/mysqlcore/db.go
@@ -7,7 +7,6 @@ package mysqlcore
 import (
 	"context"
 	"database/sql"
-	"fmt"
 )
 
 type DBTX interface {
@@ -21,198 +20,12 @@ func New(db DBTX) *Queries {
 	return &Queries{db: db}
 }
 
-func Prepare(ctx context.Context, db DBTX) (*Queries, error) {
-	q := Queries{db: db}
-	var err error
-	if q.deleteAllScopeMembersStmt, err = db.PrepareContext(ctx, deleteAllScopeMembers); err != nil {
-		return nil, fmt.Errorf("error preparing query DeleteAllScopeMembers: %w", err)
-	}
-	if q.deleteScopeStmt, err = db.PrepareContext(ctx, deleteScope); err != nil {
-		return nil, fmt.Errorf("error preparing query DeleteScope: %w", err)
-	}
-	if q.deleteScopeMemberStmt, err = db.PrepareContext(ctx, deleteScopeMember); err != nil {
-		return nil, fmt.Errorf("error preparing query DeleteScopeMember: %w", err)
-	}
-	if q.getScopeStmt, err = db.PrepareContext(ctx, getScope); err != nil {
-		return nil, fmt.Errorf("error preparing query GetScope: %w", err)
-	}
-	if q.getScopeDisplayNameStmt, err = db.PrepareContext(ctx, getScopeDisplayName); err != nil {
-		return nil, fmt.Errorf("error preparing query GetScopeDisplayName: %w", err)
-	}
-	if q.getScopeWithDisplayNameStmt, err = db.PrepareContext(ctx, getScopeWithDisplayName); err != nil {
-		return nil, fmt.Errorf("error preparing query GetScopeWithDisplayName: %w", err)
-	}
-	if q.insertScopeStmt, err = db.PrepareContext(ctx, insertScope); err != nil {
-		return nil, fmt.Errorf("error preparing query InsertScope: %w", err)
-	}
-	if q.listProjectEntriesStmt, err = db.PrepareContext(ctx, listProjectEntries); err != nil {
-		return nil, fmt.Errorf("error preparing query ListProjectEntries: %w", err)
-	}
-	if q.listScopeMembersStmt, err = db.PrepareContext(ctx, listScopeMembers); err != nil {
-		return nil, fmt.Errorf("error preparing query ListScopeMembers: %w", err)
-	}
-	if q.listScopesStmt, err = db.PrepareContext(ctx, listScopes); err != nil {
-		return nil, fmt.Errorf("error preparing query ListScopes: %w", err)
-	}
-	if q.listScopesByUserStmt, err = db.PrepareContext(ctx, listScopesByUser); err != nil {
-		return nil, fmt.Errorf("error preparing query ListScopesByUser: %w", err)
-	}
-	if q.listStatsStmt, err = db.PrepareContext(ctx, listStats); err != nil {
-		return nil, fmt.Errorf("error preparing query ListStats: %w", err)
-	}
-	if q.updateScopeStmt, err = db.PrepareContext(ctx, updateScope); err != nil {
-		return nil, fmt.Errorf("error preparing query UpdateScope: %w", err)
-	}
-	if q.updateScopeMemberStmt, err = db.PrepareContext(ctx, updateScopeMember); err != nil {
-		return nil, fmt.Errorf("error preparing query UpdateScopeMember: %w", err)
-	}
-	return &q, nil
-}
-
-func (q *Queries) Close() error {
-	var err error
-	if q.deleteAllScopeMembersStmt != nil {
-		if cerr := q.deleteAllScopeMembersStmt.Close(); cerr != nil {
-			err = fmt.Errorf("error closing deleteAllScopeMembersStmt: %w", cerr)
-		}
-	}
-	if q.deleteScopeStmt != nil {
-		if cerr := q.deleteScopeStmt.Close(); cerr != nil {
-			err = fmt.Errorf("error closing deleteScopeStmt: %w", cerr)
-		}
-	}
-	if q.deleteScopeMemberStmt != nil {
-		if cerr := q.deleteScopeMemberStmt.Close(); cerr != nil {
-			err = fmt.Errorf("error closing deleteScopeMemberStmt: %w", cerr)
-		}
-	}
-	if q.getScopeStmt != nil {
-		if cerr := q.getScopeStmt.Close(); cerr != nil {
-			err = fmt.Errorf("error closing getScopeStmt: %w", cerr)
-		}
-	}
-	if q.getScopeDisplayNameStmt != nil {
-		if cerr := q.getScopeDisplayNameStmt.Close(); cerr != nil {
-			err = fmt.Errorf("error closing getScopeDisplayNameStmt: %w", cerr)
-		}
-	}
-	if q.getScopeWithDisplayNameStmt != nil {
-		if cerr := q.getScopeWithDisplayNameStmt.Close(); cerr != nil {
-			err = fmt.Errorf("error closing getScopeWithDisplayNameStmt: %w", cerr)
-		}
-	}
-	if q.insertScopeStmt != nil {
-		if cerr := q.insertScopeStmt.Close(); cerr != nil {
-			err = fmt.Errorf("error closing insertScopeStmt: %w", cerr)
-		}
-	}
-	if q.listProjectEntriesStmt != nil {
-		if cerr := q.listProjectEntriesStmt.Close(); cerr != nil {
-			err = fmt.Errorf("error closing listProjectEntriesStmt: %w", cerr)
-		}
-	}
-	if q.listScopeMembersStmt != nil {
-		if cerr := q.listScopeMembersStmt.Close(); cerr != nil {
-			err = fmt.Errorf("error closing listScopeMembersStmt: %w", cerr)
-		}
-	}
-	if q.listScopesStmt != nil {
-		if cerr := q.listScopesStmt.Close(); cerr != nil {
-			err = fmt.Errorf("error closing listScopesStmt: %w", cerr)
-		}
-	}
-	if q.listScopesByUserStmt != nil {
-		if cerr := q.listScopesByUserStmt.Close(); cerr != nil {
-			err = fmt.Errorf("error closing listScopesByUserStmt: %w", cerr)
-		}
-	}
-	if q.listStatsStmt != nil {
-		if cerr := q.listStatsStmt.Close(); cerr != nil {
-			err = fmt.Errorf("error closing listStatsStmt: %w", cerr)
-		}
-	}
-	if q.updateScopeStmt != nil {
-		if cerr := q.updateScopeStmt.Close(); cerr != nil {
-			err = fmt.Errorf("error closing updateScopeStmt: %w", cerr)
-		}
-	}
-	if q.updateScopeMemberStmt != nil {
-		if cerr := q.updateScopeMemberStmt.Close(); cerr != nil {
-			err = fmt.Errorf("error closing updateScopeMemberStmt: %w", cerr)
-		}
-	}
-	return err
-}
-
-func (q *Queries) exec(ctx context.Context, stmt *sql.Stmt, query string, args ...interface{}) (sql.Result, error) {
-	switch {
-	case stmt != nil && q.tx != nil:
-		return q.tx.StmtContext(ctx, stmt).ExecContext(ctx, args...)
-	case stmt != nil:
-		return stmt.ExecContext(ctx, args...)
-	default:
-		return q.db.ExecContext(ctx, query, args...)
-	}
-}
-
-func (q *Queries) query(ctx context.Context, stmt *sql.Stmt, query string, args ...interface{}) (*sql.Rows, error) {
-	switch {
-	case stmt != nil && q.tx != nil:
-		return q.tx.StmtContext(ctx, stmt).QueryContext(ctx, args...)
-	case stmt != nil:
-		return stmt.QueryContext(ctx, args...)
-	default:
-		return q.db.QueryContext(ctx, query, args...)
-	}
-}
-
-func (q *Queries) queryRow(ctx context.Context, stmt *sql.Stmt, query string, args ...interface{}) *sql.Row {
-	switch {
-	case stmt != nil && q.tx != nil:
-		return q.tx.StmtContext(ctx, stmt).QueryRowContext(ctx, args...)
-	case stmt != nil:
-		return stmt.QueryRowContext(ctx, args...)
-	default:
-		return q.db.QueryRowContext(ctx, query, args...)
-	}
-}
-
 type Queries struct {
-	db                          DBTX
-	tx                          *sql.Tx
-	deleteAllScopeMembersStmt   *sql.Stmt
-	deleteScopeStmt             *sql.Stmt
-	deleteScopeMemberStmt       *sql.Stmt
-	getScopeStmt                *sql.Stmt
-	getScopeDisplayNameStmt     *sql.Stmt
-	getScopeWithDisplayNameStmt *sql.Stmt
-	insertScopeStmt             *sql.Stmt
-	listProjectEntriesStmt      *sql.Stmt
-	listScopeMembersStmt        *sql.Stmt
-	listScopesStmt              *sql.Stmt
-	listScopesByUserStmt        *sql.Stmt
-	listStatsStmt               *sql.Stmt
-	updateScopeStmt             *sql.Stmt
-	updateScopeMemberStmt       *sql.Stmt
+	db DBTX
 }
 
 func (q *Queries) WithTx(tx *sql.Tx) *Queries {
 	return &Queries{
-		db:                          tx,
-		tx:                          tx,
-		deleteAllScopeMembersStmt:   q.deleteAllScopeMembersStmt,
-		deleteScopeStmt:             q.deleteScopeStmt,
-		deleteScopeMemberStmt:       q.deleteScopeMemberStmt,
-		getScopeStmt:                q.getScopeStmt,
-		getScopeDisplayNameStmt:     q.getScopeDisplayNameStmt,
-		getScopeWithDisplayNameStmt: q.getScopeWithDisplayNameStmt,
-		insertScopeStmt:             q.insertScopeStmt,
-		listProjectEntriesStmt:      q.listProjectEntriesStmt,
-		listScopeMembersStmt:        q.listScopeMembersStmt,
-		listScopesStmt:              q.listScopesStmt,
-		listScopesByUserStmt:        q.listScopesByUserStmt,
-		listStatsStmt:               q.listStatsStmt,
-		updateScopeStmt:             q.updateScopeStmt,
-		updateScopeMemberStmt:       q.updateScopeMemberStmt,
+		db: tx,
 	}
 }
diff --git a/internal/database/mysql/mysqlcore/item.sql.go b/internal/database/mysql/mysqlcore/item.sql.go
new file mode 100644
index 0000000..c757dae
--- /dev/null
+++ b/internal/database/mysql/mysqlcore/item.sql.go
@@ -0,0 +1,791 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.13.0
+// source: item.sql
+
+package mysqlcore
+
+import (
+	"context"
+	"database/sql"
+	"time"
+
+	"git.aiterp.net/stufflog3/stufflog3-api/internal/sqltypes"
+)
+
+const clearItemStatProgress = `-- name: ClearItemStatProgress :exec
+DELETE FROM item_stat_progress WHERE item_id = ?
+`
+
+func (q *Queries) ClearItemStatProgress(ctx context.Context, itemID int) error {
+	_, err := q.db.ExecContext(ctx, clearItemStatProgress, itemID)
+	return err
+}
+
+const deleteItem = `-- name: DeleteItem :exec
+DELETE FROM item WHERE id = ?
+`
+
+func (q *Queries) DeleteItem(ctx context.Context, id int) error {
+	_, err := q.db.ExecContext(ctx, deleteItem, id)
+	return err
+}
+
+const deleteItemStatProgress = `-- name: DeleteItemStatProgress :exec
+DELETE FROM item_stat_progress WHERE item_id = ? AND stat_id = ?
+`
+
+type DeleteItemStatProgressParams struct {
+	ItemID int
+	StatID int
+}
+
+func (q *Queries) DeleteItemStatProgress(ctx context.Context, arg DeleteItemStatProgressParams) error {
+	_, err := q.db.ExecContext(ctx, deleteItemStatProgress, arg.ItemID, arg.StatID)
+	return err
+}
+
+const getItem = `-- name: GetItem :one
+SELECT i.id, i.scope_id, i.project_requirement_id, i.name, i.description, i.created_time, i.created_user_id, i.acquired_time, i.scheduled_date, pr.project_id FROM item i
+LEFT JOIN project_requirement pr ON pr.id = i.project_requirement_id
+WHERE i.id = ?
+`
+
+type GetItemRow struct {
+	ID                   int
+	ScopeID              int
+	ProjectRequirementID sql.NullInt32
+	Name                 string
+	Description          string
+	CreatedTime          time.Time
+	CreatedUserID        string
+	AcquiredTime         sql.NullTime
+	ScheduledDate        sqltypes.NullDate
+	ProjectID            sql.NullInt32
+}
+
+func (q *Queries) GetItem(ctx context.Context, id int) (GetItemRow, error) {
+	row := q.db.QueryRowContext(ctx, getItem, id)
+	var i GetItemRow
+	err := row.Scan(
+		&i.ID,
+		&i.ScopeID,
+		&i.ProjectRequirementID,
+		&i.Name,
+		&i.Description,
+		&i.CreatedTime,
+		&i.CreatedUserID,
+		&i.AcquiredTime,
+		&i.ScheduledDate,
+		&i.ProjectID,
+	)
+	return i, err
+}
+
+const getItemStatProgressBetween = `-- name: GetItemStatProgressBetween :one
+SELECT s.id, s.name, s.weight, SUM(isp.acquired), SUM(isp.required) FROM item i
+LEFT JOIN item_stat_progress isp on i.id = isp.item_id
+LEFT JOIN stat s on isp.stat_id = s.id
+WHERE i.acquired_time >= ?
+  AND i.acquired_time < ?
+  AND i.scope_id = ?
+GROUP BY stat_id
+`
+
+type GetItemStatProgressBetweenParams struct {
+	AcquiredTime   sql.NullTime
+	AcquiredTime_2 sql.NullTime
+	ScopeID        int
+}
+
+type GetItemStatProgressBetweenRow struct {
+	ID     sql.NullInt32
+	Name   sql.NullString
+	Weight float64
+	Sum    interface{}
+	Sum_2  interface{}
+}
+
+func (q *Queries) GetItemStatProgressBetween(ctx context.Context, arg GetItemStatProgressBetweenParams) (GetItemStatProgressBetweenRow, error) {
+	row := q.db.QueryRowContext(ctx, getItemStatProgressBetween, arg.AcquiredTime, arg.AcquiredTime_2, arg.ScopeID)
+	var i GetItemStatProgressBetweenRow
+	err := row.Scan(
+		&i.ID,
+		&i.Name,
+		&i.Weight,
+		&i.Sum,
+		&i.Sum_2,
+	)
+	return i, err
+}
+
+const insertItem = `-- name: InsertItem :execresult
+INSERT INTO item (scope_id, project_requirement_id, name, description, created_time, created_user_id, acquired_time, scheduled_date)
+VALUES (?, ?, ?, ?, ?, ?, ?, ?)
+`
+
+type InsertItemParams struct {
+	ScopeID              int
+	ProjectRequirementID sql.NullInt32
+	Name                 string
+	Description          string
+	CreatedTime          time.Time
+	CreatedUserID        string
+	AcquiredTime         sql.NullTime
+	ScheduledDate        sqltypes.NullDate
+}
+
+func (q *Queries) InsertItem(ctx context.Context, arg InsertItemParams) (sql.Result, error) {
+	return q.db.ExecContext(ctx, insertItem,
+		arg.ScopeID,
+		arg.ProjectRequirementID,
+		arg.Name,
+		arg.Description,
+		arg.CreatedTime,
+		arg.CreatedUserID,
+		arg.AcquiredTime,
+		arg.ScheduledDate,
+	)
+}
+
+const listItemStatProgress = `-- name: ListItemStatProgress :many
+SELECT isp.required, isp.acquired, s.id, s.name, s.weight FROM item_stat_progress isp
+LEFT JOIN stat s ON s.id = isp.stat_id
+WHERE item_id = ?
+`
+
+type ListItemStatProgressRow struct {
+	Required int
+	Acquired int
+	ID       sql.NullInt32
+	Name     sql.NullString
+	Weight   float64
+}
+
+func (q *Queries) ListItemStatProgress(ctx context.Context, itemID int) ([]ListItemStatProgressRow, error) {
+	rows, err := q.db.QueryContext(ctx, listItemStatProgress, itemID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []ListItemStatProgressRow{}
+	for rows.Next() {
+		var i ListItemStatProgressRow
+		if err := rows.Scan(
+			&i.Required,
+			&i.Acquired,
+			&i.ID,
+			&i.Name,
+			&i.Weight,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const listItemStatProgressMulti = `-- name: ListItemStatProgressMulti :many
+SELECT isp.item_id, isp.required, isp.acquired, s.id, s.name, s.weight FROM item_stat_progress isp
+LEFT JOIN stat s ON s.id = isp.stat_id
+WHERE item_id IN (?, ?, ?, ?, ?, ?, ?, ?)
+`
+
+type ListItemStatProgressMultiParams struct {
+	ItemID   int
+	ItemID_2 int
+	ItemID_3 int
+	ItemID_4 int
+	ItemID_5 int
+	ItemID_6 int
+	ItemID_7 int
+	ItemID_8 int
+}
+
+type ListItemStatProgressMultiRow struct {
+	ItemID   int
+	Required int
+	Acquired int
+	ID       sql.NullInt32
+	Name     sql.NullString
+	Weight   float64
+}
+
+func (q *Queries) ListItemStatProgressMulti(ctx context.Context, arg ListItemStatProgressMultiParams) ([]ListItemStatProgressMultiRow, error) {
+	rows, err := q.db.QueryContext(ctx, listItemStatProgressMulti,
+		arg.ItemID,
+		arg.ItemID_2,
+		arg.ItemID_3,
+		arg.ItemID_4,
+		arg.ItemID_5,
+		arg.ItemID_6,
+		arg.ItemID_7,
+		arg.ItemID_8,
+	)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []ListItemStatProgressMultiRow{}
+	for rows.Next() {
+		var i ListItemStatProgressMultiRow
+		if err := rows.Scan(
+			&i.ItemID,
+			&i.Required,
+			&i.Acquired,
+			&i.ID,
+			&i.Name,
+			&i.Weight,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const listItemsAcquiredBetween = `-- name: ListItemsAcquiredBetween :many
+SELECT i.id, i.scope_id, i.project_requirement_id, i.name, i.description, i.created_time, i.created_user_id, i.acquired_time, i.scheduled_date, pr.project_id FROM item i
+LEFT JOIN project_requirement pr ON pr.id = i.project_requirement_id
+WHERE i.acquired_time >= ?
+  AND i.acquired_time < ?
+  AND i.scope_id = ?
+`
+
+type ListItemsAcquiredBetweenParams struct {
+	AcquiredTime   sql.NullTime
+	AcquiredTime_2 sql.NullTime
+	ScopeID        int
+}
+
+type ListItemsAcquiredBetweenRow struct {
+	ID                   int
+	ScopeID              int
+	ProjectRequirementID sql.NullInt32
+	Name                 string
+	Description          string
+	CreatedTime          time.Time
+	CreatedUserID        string
+	AcquiredTime         sql.NullTime
+	ScheduledDate        sqltypes.NullDate
+	ProjectID            sql.NullInt32
+}
+
+func (q *Queries) ListItemsAcquiredBetween(ctx context.Context, arg ListItemsAcquiredBetweenParams) ([]ListItemsAcquiredBetweenRow, error) {
+	rows, err := q.db.QueryContext(ctx, listItemsAcquiredBetween, arg.AcquiredTime, arg.AcquiredTime_2, arg.ScopeID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []ListItemsAcquiredBetweenRow{}
+	for rows.Next() {
+		var i ListItemsAcquiredBetweenRow
+		if err := rows.Scan(
+			&i.ID,
+			&i.ScopeID,
+			&i.ProjectRequirementID,
+			&i.Name,
+			&i.Description,
+			&i.CreatedTime,
+			&i.CreatedUserID,
+			&i.AcquiredTime,
+			&i.ScheduledDate,
+			&i.ProjectID,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const listItemsByProject = `-- name: ListItemsByProject :many
+SELECT i.id, i.scope_id, i.project_requirement_id, i.name, i.description, i.created_time, i.created_user_id, i.acquired_time, i.scheduled_date, pr.project_id FROM item i
+LEFT JOIN project_requirement pr ON pr.id = i.project_requirement_id
+WHERE pr.project_id = ?
+`
+
+type ListItemsByProjectRow struct {
+	ID                   int
+	ScopeID              int
+	ProjectRequirementID sql.NullInt32
+	Name                 string
+	Description          string
+	CreatedTime          time.Time
+	CreatedUserID        string
+	AcquiredTime         sql.NullTime
+	ScheduledDate        sqltypes.NullDate
+	ProjectID            sql.NullInt32
+}
+
+func (q *Queries) ListItemsByProject(ctx context.Context, projectID int) ([]ListItemsByProjectRow, error) {
+	rows, err := q.db.QueryContext(ctx, listItemsByProject, projectID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []ListItemsByProjectRow{}
+	for rows.Next() {
+		var i ListItemsByProjectRow
+		if err := rows.Scan(
+			&i.ID,
+			&i.ScopeID,
+			&i.ProjectRequirementID,
+			&i.Name,
+			&i.Description,
+			&i.CreatedTime,
+			&i.CreatedUserID,
+			&i.AcquiredTime,
+			&i.ScheduledDate,
+			&i.ProjectID,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const listItemsCreatedBetween = `-- name: ListItemsCreatedBetween :many
+SELECT i.id, i.scope_id, i.project_requirement_id, i.name, i.description, i.created_time, i.created_user_id, i.acquired_time, i.scheduled_date, pr.project_id FROM item i
+LEFT JOIN project_requirement pr ON pr.id = i.project_requirement_id
+WHERE i.created_time >= ?
+  AND i.created_time < ?
+  AND i.scope_id = ?
+`
+
+type ListItemsCreatedBetweenParams struct {
+	CreatedTime   time.Time
+	CreatedTime_2 time.Time
+	ScopeID       int
+}
+
+type ListItemsCreatedBetweenRow struct {
+	ID                   int
+	ScopeID              int
+	ProjectRequirementID sql.NullInt32
+	Name                 string
+	Description          string
+	CreatedTime          time.Time
+	CreatedUserID        string
+	AcquiredTime         sql.NullTime
+	ScheduledDate        sqltypes.NullDate
+	ProjectID            sql.NullInt32
+}
+
+func (q *Queries) ListItemsCreatedBetween(ctx context.Context, arg ListItemsCreatedBetweenParams) ([]ListItemsCreatedBetweenRow, error) {
+	rows, err := q.db.QueryContext(ctx, listItemsCreatedBetween, arg.CreatedTime, arg.CreatedTime_2, arg.ScopeID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []ListItemsCreatedBetweenRow{}
+	for rows.Next() {
+		var i ListItemsCreatedBetweenRow
+		if err := rows.Scan(
+			&i.ID,
+			&i.ScopeID,
+			&i.ProjectRequirementID,
+			&i.Name,
+			&i.Description,
+			&i.CreatedTime,
+			&i.CreatedUserID,
+			&i.AcquiredTime,
+			&i.ScheduledDate,
+			&i.ProjectID,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const listItemsCreatedBetweenNoScope = `-- name: ListItemsCreatedBetweenNoScope :many
+SELECT i.id, i.scope_id, i.project_requirement_id, i.name, i.description, i.created_time, i.created_user_id, i.acquired_time, i.scheduled_date, pr.project_id FROM item i
+LEFT JOIN project_requirement pr ON pr.id = i.project_requirement_id
+WHERE i.created_time >= ?
+  AND i.created_time < ?
+`
+
+type ListItemsCreatedBetweenNoScopeParams struct {
+	CreatedTime   time.Time
+	CreatedTime_2 time.Time
+}
+
+type ListItemsCreatedBetweenNoScopeRow struct {
+	ID                   int
+	ScopeID              int
+	ProjectRequirementID sql.NullInt32
+	Name                 string
+	Description          string
+	CreatedTime          time.Time
+	CreatedUserID        string
+	AcquiredTime         sql.NullTime
+	ScheduledDate        sqltypes.NullDate
+	ProjectID            sql.NullInt32
+}
+
+func (q *Queries) ListItemsCreatedBetweenNoScope(ctx context.Context, arg ListItemsCreatedBetweenNoScopeParams) ([]ListItemsCreatedBetweenNoScopeRow, error) {
+	rows, err := q.db.QueryContext(ctx, listItemsCreatedBetweenNoScope, arg.CreatedTime, arg.CreatedTime_2)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []ListItemsCreatedBetweenNoScopeRow{}
+	for rows.Next() {
+		var i ListItemsCreatedBetweenNoScopeRow
+		if err := rows.Scan(
+			&i.ID,
+			&i.ScopeID,
+			&i.ProjectRequirementID,
+			&i.Name,
+			&i.Description,
+			&i.CreatedTime,
+			&i.CreatedUserID,
+			&i.AcquiredTime,
+			&i.ScheduledDate,
+			&i.ProjectID,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const listItemsLooseBetween = `-- name: ListItemsLooseBetween :many
+SELECT i.id, i.scope_id, i.project_requirement_id, i.name, i.description, i.created_time, i.created_user_id, i.acquired_time, i.scheduled_date, pr.project_id FROM item i
+LEFT JOIN project_requirement pr ON pr.id = i.project_requirement_id
+WHERE i.created_time >= ?
+  AND i.created_time < ?
+  AND i.scope_id = ?
+  AND i.scheduled_date IS NULL
+  AND i.acquired_time IS NULL
+`
+
+type ListItemsLooseBetweenParams struct {
+	CreatedTime   time.Time
+	CreatedTime_2 time.Time
+	ScopeID       int
+}
+
+type ListItemsLooseBetweenRow struct {
+	ID                   int
+	ScopeID              int
+	ProjectRequirementID sql.NullInt32
+	Name                 string
+	Description          string
+	CreatedTime          time.Time
+	CreatedUserID        string
+	AcquiredTime         sql.NullTime
+	ScheduledDate        sqltypes.NullDate
+	ProjectID            sql.NullInt32
+}
+
+func (q *Queries) ListItemsLooseBetween(ctx context.Context, arg ListItemsLooseBetweenParams) ([]ListItemsLooseBetweenRow, error) {
+	rows, err := q.db.QueryContext(ctx, listItemsLooseBetween, arg.CreatedTime, arg.CreatedTime_2, arg.ScopeID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []ListItemsLooseBetweenRow{}
+	for rows.Next() {
+		var i ListItemsLooseBetweenRow
+		if err := rows.Scan(
+			&i.ID,
+			&i.ScopeID,
+			&i.ProjectRequirementID,
+			&i.Name,
+			&i.Description,
+			&i.CreatedTime,
+			&i.CreatedUserID,
+			&i.AcquiredTime,
+			&i.ScheduledDate,
+			&i.ProjectID,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const listItemsLooseBetweenNoScope = `-- name: ListItemsLooseBetweenNoScope :many
+SELECT i.id, i.scope_id, i.project_requirement_id, i.name, i.description, i.created_time, i.created_user_id, i.acquired_time, i.scheduled_date, pr.project_id FROM item i
+LEFT JOIN project_requirement pr ON pr.id = i.project_requirement_id
+WHERE i.created_time >= ?
+  AND i.created_time < ?
+  AND i.scheduled_date IS NULL
+  AND i.acquired_time IS NULL
+`
+
+type ListItemsLooseBetweenNoScopeParams struct {
+	CreatedTime   time.Time
+	CreatedTime_2 time.Time
+}
+
+type ListItemsLooseBetweenNoScopeRow struct {
+	ID                   int
+	ScopeID              int
+	ProjectRequirementID sql.NullInt32
+	Name                 string
+	Description          string
+	CreatedTime          time.Time
+	CreatedUserID        string
+	AcquiredTime         sql.NullTime
+	ScheduledDate        sqltypes.NullDate
+	ProjectID            sql.NullInt32
+}
+
+func (q *Queries) ListItemsLooseBetweenNoScope(ctx context.Context, arg ListItemsLooseBetweenNoScopeParams) ([]ListItemsLooseBetweenNoScopeRow, error) {
+	rows, err := q.db.QueryContext(ctx, listItemsLooseBetweenNoScope, arg.CreatedTime, arg.CreatedTime_2)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []ListItemsLooseBetweenNoScopeRow{}
+	for rows.Next() {
+		var i ListItemsLooseBetweenNoScopeRow
+		if err := rows.Scan(
+			&i.ID,
+			&i.ScopeID,
+			&i.ProjectRequirementID,
+			&i.Name,
+			&i.Description,
+			&i.CreatedTime,
+			&i.CreatedUserID,
+			&i.AcquiredTime,
+			&i.ScheduledDate,
+			&i.ProjectID,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const listItemsScheduledBetween = `-- name: ListItemsScheduledBetween :many
+SELECT i.id, i.scope_id, i.project_requirement_id, i.name, i.description, i.created_time, i.created_user_id, i.acquired_time, i.scheduled_date, pr.project_id FROM item i
+LEFT JOIN project_requirement pr ON pr.id = i.project_requirement_id
+WHERE i.scheduled_date >= ?
+  AND i.scheduled_date < ?
+  AND i.scope_id = ?
+`
+
+type ListItemsScheduledBetweenParams struct {
+	ScheduledDate   sqltypes.NullDate
+	ScheduledDate_2 sqltypes.NullDate
+	ScopeID         int
+}
+
+type ListItemsScheduledBetweenRow struct {
+	ID                   int
+	ScopeID              int
+	ProjectRequirementID sql.NullInt32
+	Name                 string
+	Description          string
+	CreatedTime          time.Time
+	CreatedUserID        string
+	AcquiredTime         sql.NullTime
+	ScheduledDate        sqltypes.NullDate
+	ProjectID            sql.NullInt32
+}
+
+func (q *Queries) ListItemsScheduledBetween(ctx context.Context, arg ListItemsScheduledBetweenParams) ([]ListItemsScheduledBetweenRow, error) {
+	rows, err := q.db.QueryContext(ctx, listItemsScheduledBetween, arg.ScheduledDate, arg.ScheduledDate_2, arg.ScopeID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []ListItemsScheduledBetweenRow{}
+	for rows.Next() {
+		var i ListItemsScheduledBetweenRow
+		if err := rows.Scan(
+			&i.ID,
+			&i.ScopeID,
+			&i.ProjectRequirementID,
+			&i.Name,
+			&i.Description,
+			&i.CreatedTime,
+			&i.CreatedUserID,
+			&i.AcquiredTime,
+			&i.ScheduledDate,
+			&i.ProjectID,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const listItemsScheduledBetweenNoScope = `-- name: ListItemsScheduledBetweenNoScope :many
+SELECT i.id, i.scope_id, i.project_requirement_id, i.name, i.description, i.created_time, i.created_user_id, i.acquired_time, i.scheduled_date, pr.project_id FROM item i
+LEFT JOIN project_requirement pr ON pr.id = i.project_requirement_id
+WHERE i.scheduled_date >= ?
+  AND i.scheduled_date < ?
+`
+
+type ListItemsScheduledBetweenNoScopeParams struct {
+	ScheduledDate   sqltypes.NullDate
+	ScheduledDate_2 sqltypes.NullDate
+}
+
+type ListItemsScheduledBetweenNoScopeRow struct {
+	ID                   int
+	ScopeID              int
+	ProjectRequirementID sql.NullInt32
+	Name                 string
+	Description          string
+	CreatedTime          time.Time
+	CreatedUserID        string
+	AcquiredTime         sql.NullTime
+	ScheduledDate        sqltypes.NullDate
+	ProjectID            sql.NullInt32
+}
+
+func (q *Queries) ListItemsScheduledBetweenNoScope(ctx context.Context, arg ListItemsScheduledBetweenNoScopeParams) ([]ListItemsScheduledBetweenNoScopeRow, error) {
+	rows, err := q.db.QueryContext(ctx, listItemsScheduledBetweenNoScope, arg.ScheduledDate, arg.ScheduledDate_2)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []ListItemsScheduledBetweenNoScopeRow{}
+	for rows.Next() {
+		var i ListItemsScheduledBetweenNoScopeRow
+		if err := rows.Scan(
+			&i.ID,
+			&i.ScopeID,
+			&i.ProjectRequirementID,
+			&i.Name,
+			&i.Description,
+			&i.CreatedTime,
+			&i.CreatedUserID,
+			&i.AcquiredTime,
+			&i.ScheduledDate,
+			&i.ProjectID,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const replaceItemStatProgress = `-- name: ReplaceItemStatProgress :exec
+REPLACE INTO item_stat_progress (item_id, stat_id, acquired, required)
+VALUES (?, ?, ?, ?)
+`
+
+type ReplaceItemStatProgressParams struct {
+	ItemID   int
+	StatID   int
+	Acquired int
+	Required int
+}
+
+func (q *Queries) ReplaceItemStatProgress(ctx context.Context, arg ReplaceItemStatProgressParams) error {
+	_, err := q.db.ExecContext(ctx, replaceItemStatProgress,
+		arg.ItemID,
+		arg.StatID,
+		arg.Acquired,
+		arg.Required,
+	)
+	return err
+}
+
+const updateItem = `-- name: UpdateItem :exec
+UPDATE item
+SET project_requirement_id = ?,
+    name = ?,
+    description = ?,
+    acquired_time = ?,
+    scheduled_date = ?,
+    created_user_id = ?
+WHERE id = ?
+`
+
+type UpdateItemParams struct {
+	ProjectRequirementID sql.NullInt32
+	Name                 string
+	Description          string
+	AcquiredTime         sql.NullTime
+	ScheduledDate        sqltypes.NullDate
+	CreatedUserID        string
+	ID                   int
+}
+
+func (q *Queries) UpdateItem(ctx context.Context, arg UpdateItemParams) error {
+	_, err := q.db.ExecContext(ctx, updateItem,
+		arg.ProjectRequirementID,
+		arg.Name,
+		arg.Description,
+		arg.AcquiredTime,
+		arg.ScheduledDate,
+		arg.CreatedUserID,
+		arg.ID,
+	)
+	return err
+}
diff --git a/internal/database/mysql/mysqlcore/models.go b/internal/database/mysql/mysqlcore/models.go
index 8cf502f..cd41771 100644
--- a/internal/database/mysql/mysqlcore/models.go
+++ b/internal/database/mysql/mysqlcore/models.go
@@ -12,67 +12,67 @@ import (
 )
 
 type Item struct {
-	ID                   int           `json:"id"`
-	ScopeID              int           `json:"scope_id"`
-	ProjectRequirementID sql.NullInt32 `json:"project_requirement_id"`
-	Name                 string        `json:"name"`
-	Description          string        `json:"description"`
-	CreatedTime          time.Time     `json:"created_time"`
-	CreatedUserID        string        `json:"created_user_id"`
-	AcquiredTime         sql.NullTime  `json:"acquired_time"`
-	ScheduledDate        sql.NullTime  `json:"scheduled_date"`
+	ID                   int
+	ScopeID              int
+	ProjectRequirementID sql.NullInt32
+	Name                 string
+	Description          string
+	CreatedTime          time.Time
+	CreatedUserID        string
+	AcquiredTime         sql.NullTime
+	ScheduledDate        sqltypes.NullDate
 }
 
 type ItemStatProgress struct {
-	ItemID   int `json:"item_id"`
-	StatID   int `json:"stat_id"`
-	Acquired int `json:"acquired"`
-	Required int `json:"required"`
+	ItemID   int
+	StatID   int
+	Acquired int
+	Required int
 }
 
 type Project struct {
-	ID          int       `json:"id"`
-	ScopeID     int       `json:"scope_id"`
-	AuthorID    string    `json:"author_id"`
-	Name        string    `json:"name"`
-	Status      int       `json:"status"`
-	Description string    `json:"description"`
-	CreatedTime time.Time `json:"created_time"`
+	ID          int
+	ScopeID     int
+	AuthorID    string
+	Name        string
+	Status      int
+	Description string
+	CreatedTime time.Time
 }
 
 type ProjectRequirement struct {
-	ID          int    `json:"id"`
-	ScopeID     int    `json:"scope_id"`
-	ProjectID   int    `json:"project_id"`
-	Name        string `json:"name"`
-	Status      int    `json:"status"`
-	Description string `json:"description"`
+	ID          int
+	ScopeID     int
+	ProjectID   int
+	Name        string
+	Status      int
+	Description string
 }
 
 type ProjectRequirementStat struct {
-	ProjectRequirementID int `json:"project_requirement_id"`
-	StatID               int `json:"stat_id"`
-	Required             int `json:"required"`
+	ProjectRequirementID int
+	StatID               int
+	Required             int
 }
 
 type Scope struct {
-	ID           int    `json:"id"`
-	Name         string `json:"name"`
-	Abbreviation string `json:"abbreviation"`
+	ID           int
+	Name         string
+	Abbreviation string
 }
 
 type ScopeMember struct {
-	ScopeID int    `json:"scope_id"`
-	UserID  string `json:"user_id"`
-	Name    string `json:"name"`
-	Owner   bool   `json:"owner"`
+	ScopeID int
+	UserID  string
+	Name    string
+	Owner   bool
 }
 
 type Stat struct {
-	ID             int                     `json:"id"`
-	ScopeID        int                     `json:"scope_id"`
-	Name           string                  `json:"name"`
-	Description    string                  `json:"description"`
-	Weight         float64                 `json:"weight"`
-	AllowedAmounts sqltypes.NullRawMessage `json:"allowed_amounts"`
+	ID             int
+	ScopeID        int
+	Name           string
+	Description    string
+	Weight         float64
+	AllowedAmounts sqltypes.NullRawMessage
 }
diff --git a/internal/database/mysql/mysqlcore/project.sql.go b/internal/database/mysql/mysqlcore/project.sql.go
index 6b72a54..335be18 100644
--- a/internal/database/mysql/mysqlcore/project.sql.go
+++ b/internal/database/mysql/mysqlcore/project.sql.go
@@ -9,6 +9,25 @@ import (
 	"context"
 )
 
+const getProject = `-- name: GetProject :one
+SELECT id, scope_id, author_id, name, status, description, created_time FROM project WHERE id = ?
+`
+
+func (q *Queries) GetProject(ctx context.Context, id int) (Project, error) {
+	row := q.db.QueryRowContext(ctx, getProject, id)
+	var i Project
+	err := row.Scan(
+		&i.ID,
+		&i.ScopeID,
+		&i.AuthorID,
+		&i.Name,
+		&i.Status,
+		&i.Description,
+		&i.CreatedTime,
+	)
+	return i, err
+}
+
 const listProjectEntries = `-- name: ListProjectEntries :many
 SELECT id, name, status FROM project
 WHERE scope_id = ?
@@ -16,13 +35,13 @@ ORDER BY status, created_time
 `
 
 type ListProjectEntriesRow struct {
-	ID     int    `json:"id"`
-	Name   string `json:"name"`
-	Status int    `json:"status"`
+	ID     int
+	Name   string
+	Status int
 }
 
 func (q *Queries) ListProjectEntries(ctx context.Context, scopeID int) ([]ListProjectEntriesRow, error) {
-	rows, err := q.query(ctx, q.listProjectEntriesStmt, listProjectEntries, scopeID)
+	rows, err := q.db.QueryContext(ctx, listProjectEntries, scopeID)
 	if err != nil {
 		return nil, err
 	}
@@ -43,3 +62,37 @@ func (q *Queries) ListProjectEntries(ctx context.Context, scopeID int) ([]ListPr
 	}
 	return items, nil
 }
+
+const listProjectRequirementsByProjectID = `-- name: ListProjectRequirementsByProjectID :many
+SELECT id, scope_id, project_id, name, status, description FROM project_requirement WHERE project_id = ?
+`
+
+func (q *Queries) ListProjectRequirementsByProjectID(ctx context.Context, projectID int) ([]ProjectRequirement, error) {
+	rows, err := q.db.QueryContext(ctx, listProjectRequirementsByProjectID, projectID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []ProjectRequirement{}
+	for rows.Next() {
+		var i ProjectRequirement
+		if err := rows.Scan(
+			&i.ID,
+			&i.ScopeID,
+			&i.ProjectID,
+			&i.Name,
+			&i.Status,
+			&i.Description,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
diff --git a/internal/database/mysql/mysqlcore/scope.sql.go b/internal/database/mysql/mysqlcore/scope.sql.go
index 86fa1e0..03b209d 100644
--- a/internal/database/mysql/mysqlcore/scope.sql.go
+++ b/internal/database/mysql/mysqlcore/scope.sql.go
@@ -15,7 +15,7 @@ DELETE FROM scope_member WHERE scope_id=?
 `
 
 func (q *Queries) DeleteAllScopeMembers(ctx context.Context, scopeID int) error {
-	_, err := q.exec(ctx, q.deleteAllScopeMembersStmt, deleteAllScopeMembers, scopeID)
+	_, err := q.db.ExecContext(ctx, deleteAllScopeMembers, scopeID)
 	return err
 }
 
@@ -24,7 +24,7 @@ DELETE FROM scope WHERE id=?
 `
 
 func (q *Queries) DeleteScope(ctx context.Context, id int) error {
-	_, err := q.exec(ctx, q.deleteScopeStmt, deleteScope, id)
+	_, err := q.db.ExecContext(ctx, deleteScope, id)
 	return err
 }
 
@@ -33,12 +33,12 @@ DELETE FROM scope_member WHERE scope_id=? AND user_id=?
 `
 
 type DeleteScopeMemberParams struct {
-	ScopeID int    `json:"scope_id"`
-	UserID  string `json:"user_id"`
+	ScopeID int
+	UserID  string
 }
 
 func (q *Queries) DeleteScopeMember(ctx context.Context, arg DeleteScopeMemberParams) error {
-	_, err := q.exec(ctx, q.deleteScopeMemberStmt, deleteScopeMember, arg.ScopeID, arg.UserID)
+	_, err := q.db.ExecContext(ctx, deleteScopeMember, arg.ScopeID, arg.UserID)
 	return err
 }
 
@@ -48,7 +48,7 @@ WHERE id = ?
 `
 
 func (q *Queries) GetScope(ctx context.Context, id int) (Scope, error) {
-	row := q.queryRow(ctx, q.getScopeStmt, getScope, id)
+	row := q.db.QueryRowContext(ctx, getScope, id)
 	var i Scope
 	err := row.Scan(&i.ID, &i.Name, &i.Abbreviation)
 	return i, err
@@ -60,12 +60,12 @@ WHERE user_id = ? AND scope_id = ?
 `
 
 type GetScopeDisplayNameParams struct {
-	UserID  string `json:"user_id"`
-	ScopeID int    `json:"scope_id"`
+	UserID  string
+	ScopeID int
 }
 
 func (q *Queries) GetScopeDisplayName(ctx context.Context, arg GetScopeDisplayNameParams) (string, error) {
-	row := q.queryRow(ctx, q.getScopeDisplayNameStmt, getScopeDisplayName, arg.UserID, arg.ScopeID)
+	row := q.db.QueryRowContext(ctx, getScopeDisplayName, arg.UserID, arg.ScopeID)
 	var name string
 	err := row.Scan(&name)
 	return name, err
@@ -78,19 +78,19 @@ WHERE id = ? AND sm.user_id = ?
 `
 
 type GetScopeWithDisplayNameParams struct {
-	ID     int    `json:"id"`
-	UserID string `json:"user_id"`
+	ID     int
+	UserID string
 }
 
 type GetScopeWithDisplayNameRow struct {
-	ID           int            `json:"id"`
-	Name         string         `json:"name"`
-	Abbreviation string         `json:"abbreviation"`
-	DisplayName  sql.NullString `json:"display_name"`
+	ID           int
+	Name         string
+	Abbreviation string
+	DisplayName  sql.NullString
 }
 
 func (q *Queries) GetScopeWithDisplayName(ctx context.Context, arg GetScopeWithDisplayNameParams) (GetScopeWithDisplayNameRow, error) {
-	row := q.queryRow(ctx, q.getScopeWithDisplayNameStmt, getScopeWithDisplayName, arg.ID, arg.UserID)
+	row := q.db.QueryRowContext(ctx, getScopeWithDisplayName, arg.ID, arg.UserID)
 	var i GetScopeWithDisplayNameRow
 	err := row.Scan(
 		&i.ID,
@@ -107,13 +107,13 @@ VALUES (?, ?, ?)
 `
 
 type InsertScopeParams struct {
-	ID           int    `json:"id"`
-	Name         string `json:"name"`
-	Abbreviation string `json:"abbreviation"`
+	ID           int
+	Name         string
+	Abbreviation string
 }
 
 func (q *Queries) InsertScope(ctx context.Context, arg InsertScopeParams) (sql.Result, error) {
-	return q.exec(ctx, q.insertScopeStmt, insertScope, arg.ID, arg.Name, arg.Abbreviation)
+	return q.db.ExecContext(ctx, insertScope, arg.ID, arg.Name, arg.Abbreviation)
 }
 
 const listScopeMembers = `-- name: ListScopeMembers :many
@@ -123,13 +123,13 @@ ORDER BY name
 `
 
 type ListScopeMembersRow struct {
-	UserID string `json:"user_id"`
-	Name   string `json:"name"`
-	Owner  bool   `json:"owner"`
+	UserID string
+	Name   string
+	Owner  bool
 }
 
 func (q *Queries) ListScopeMembers(ctx context.Context, scopeID int) ([]ListScopeMembersRow, error) {
-	rows, err := q.query(ctx, q.listScopeMembersStmt, listScopeMembers, scopeID)
+	rows, err := q.db.QueryContext(ctx, listScopeMembers, scopeID)
 	if err != nil {
 		return nil, err
 	}
@@ -157,7 +157,7 @@ ORDER BY name
 `
 
 func (q *Queries) ListScopes(ctx context.Context) ([]Scope, error) {
-	rows, err := q.query(ctx, q.listScopesStmt, listScopes)
+	rows, err := q.db.QueryContext(ctx, listScopes)
 	if err != nil {
 		return nil, err
 	}
@@ -187,14 +187,14 @@ ORDER BY s.name
 `
 
 type ListScopesByUserRow struct {
-	ID           int            `json:"id"`
-	Name         string         `json:"name"`
-	Abbreviation string         `json:"abbreviation"`
-	DisplayName  sql.NullString `json:"display_name"`
+	ID           int
+	Name         string
+	Abbreviation string
+	DisplayName  sql.NullString
 }
 
 func (q *Queries) ListScopesByUser(ctx context.Context, userID string) ([]ListScopesByUserRow, error) {
-	rows, err := q.query(ctx, q.listScopesByUserStmt, listScopesByUser, userID)
+	rows, err := q.db.QueryContext(ctx, listScopesByUser, userID)
 	if err != nil {
 		return nil, err
 	}
@@ -226,13 +226,13 @@ UPDATE scope SET name = ?, abbreviation = ? WHERE id = ?
 `
 
 type UpdateScopeParams struct {
-	Name         string `json:"name"`
-	Abbreviation string `json:"abbreviation"`
-	ID           int    `json:"id"`
+	Name         string
+	Abbreviation string
+	ID           int
 }
 
 func (q *Queries) UpdateScope(ctx context.Context, arg UpdateScopeParams) error {
-	_, err := q.exec(ctx, q.updateScopeStmt, updateScope, arg.Name, arg.Abbreviation, arg.ID)
+	_, err := q.db.ExecContext(ctx, updateScope, arg.Name, arg.Abbreviation, arg.ID)
 	return err
 }
 
@@ -242,14 +242,14 @@ VALUES (?, ?, ?, ?)
 `
 
 type UpdateScopeMemberParams struct {
-	ScopeID int    `json:"scope_id"`
-	UserID  string `json:"user_id"`
-	Name    string `json:"name"`
-	Owner   bool   `json:"owner"`
+	ScopeID int
+	UserID  string
+	Name    string
+	Owner   bool
 }
 
 func (q *Queries) UpdateScopeMember(ctx context.Context, arg UpdateScopeMemberParams) error {
-	_, err := q.exec(ctx, q.updateScopeMemberStmt, updateScopeMember,
+	_, err := q.db.ExecContext(ctx, updateScopeMember,
 		arg.ScopeID,
 		arg.UserID,
 		arg.Name,
diff --git a/internal/database/mysql/mysqlcore/stats.sql.go b/internal/database/mysql/mysqlcore/stats.sql.go
index 4ad28bd..4d414c8 100644
--- a/internal/database/mysql/mysqlcore/stats.sql.go
+++ b/internal/database/mysql/mysqlcore/stats.sql.go
@@ -17,15 +17,15 @@ WHERE scope_id = ?
 `
 
 type ListStatsRow struct {
-	ID             int                     `json:"id"`
-	Name           string                  `json:"name"`
-	Description    string                  `json:"description"`
-	Weight         float64                 `json:"weight"`
-	AllowedAmounts sqltypes.NullRawMessage `json:"allowed_amounts"`
+	ID             int
+	Name           string
+	Description    string
+	Weight         float64
+	AllowedAmounts sqltypes.NullRawMessage
 }
 
 func (q *Queries) ListStats(ctx context.Context, scopeID int) ([]ListStatsRow, error) {
-	rows, err := q.query(ctx, q.listStatsStmt, listStats, scopeID)
+	rows, err := q.db.QueryContext(ctx, listStats, scopeID)
 	if err != nil {
 		return nil, err
 	}
diff --git a/internal/database/mysql/queries/item.sql b/internal/database/mysql/queries/item.sql
new file mode 100644
index 0000000..d52a2f4
--- /dev/null
+++ b/internal/database/mysql/queries/item.sql
@@ -0,0 +1,105 @@
+-- name: GetItem :one
+SELECT i.*, pr.project_id FROM item i
+LEFT JOIN project_requirement pr ON pr.id = i.project_requirement_id
+WHERE i.id = ?;
+
+-- name: ListItemsByProject :many
+SELECT i.*, pr.project_id FROM item i
+LEFT JOIN project_requirement pr ON pr.id = i.project_requirement_id
+WHERE pr.project_id = ?;
+
+-- name: ListItemsAcquiredBetween :many
+SELECT i.*, pr.project_id FROM item i
+LEFT JOIN project_requirement pr ON pr.id = i.project_requirement_id
+WHERE i.acquired_time >= ?
+  AND i.acquired_time < ?
+  AND i.scope_id = ?;
+
+-- name: ListItemsScheduledBetween :many
+SELECT i.*, pr.project_id FROM item i
+LEFT JOIN project_requirement pr ON pr.id = i.project_requirement_id
+WHERE i.scheduled_date >= ?
+  AND i.scheduled_date < ?
+  AND i.scope_id = ?;
+
+-- name: ListItemsCreatedBetween :many
+SELECT i.*, pr.project_id FROM item i
+LEFT JOIN project_requirement pr ON pr.id = i.project_requirement_id
+WHERE i.created_time >= ?
+  AND i.created_time < ?
+  AND i.scope_id = ?;
+
+-- name: ListItemsLooseBetween :many
+SELECT i.*, pr.project_id FROM item i
+LEFT JOIN project_requirement pr ON pr.id = i.project_requirement_id
+WHERE i.created_time >= ?
+  AND i.created_time < ?
+  AND i.scope_id = ?
+  AND i.scheduled_date IS NULL
+  AND i.acquired_time IS NULL;
+
+-- name: ListItemsScheduledBetweenNoScope :many
+SELECT i.*, pr.project_id FROM item i
+LEFT JOIN project_requirement pr ON pr.id = i.project_requirement_id
+WHERE i.scheduled_date >= ?
+  AND i.scheduled_date < ?;
+
+-- name: ListItemsCreatedBetweenNoScope :many
+SELECT i.*, pr.project_id FROM item i
+LEFT JOIN project_requirement pr ON pr.id = i.project_requirement_id
+WHERE i.created_time >= ?
+  AND i.created_time < ?;
+
+-- name: ListItemsLooseBetweenNoScope :many
+SELECT i.*, pr.project_id FROM item i
+LEFT JOIN project_requirement pr ON pr.id = i.project_requirement_id
+WHERE i.created_time >= ?
+  AND i.created_time < ?
+  AND i.scheduled_date IS NULL
+  AND i.acquired_time IS NULL;
+
+-- name: GetItemStatProgressBetween :one
+SELECT s.id, s.name, s.weight, SUM(isp.acquired), SUM(isp.required) FROM item i
+LEFT JOIN item_stat_progress isp on i.id = isp.item_id
+LEFT JOIN stat s on isp.stat_id = s.id
+WHERE i.acquired_time >= ?
+  AND i.acquired_time < ?
+  AND i.scope_id = ?
+GROUP BY stat_id;
+
+-- name: ListItemStatProgress :many
+SELECT isp.required, isp.acquired, s.id, s.name, s.weight FROM item_stat_progress isp
+LEFT JOIN stat s ON s.id = isp.stat_id
+WHERE item_id = ?;
+
+-- name: ListItemStatProgressMulti :many
+SELECT isp.item_id, isp.required, isp.acquired, s.id, s.name, s.weight FROM item_stat_progress isp
+LEFT JOIN stat s ON s.id = isp.stat_id
+WHERE item_id IN (?, ?, ?, ?, ?, ?, ?, ?);
+
+-- name: InsertItem :execresult
+INSERT INTO item (scope_id, project_requirement_id, name, description, created_time, created_user_id, acquired_time, scheduled_date)
+VALUES (?, ?, ?, ?, ?, ?, ?, ?);
+
+-- name: UpdateItem :exec
+UPDATE item
+SET project_requirement_id = ?,
+    name = ?,
+    description = ?,
+    acquired_time = ?,
+    scheduled_date = ?,
+    created_user_id = ?
+WHERE id = ?;
+
+-- name: DeleteItem :exec
+DELETE FROM item WHERE id = ?;
+
+-- name: ReplaceItemStatProgress :exec
+REPLACE INTO item_stat_progress (item_id, stat_id, acquired, required)
+VALUES (?, ?, ?, ?);
+
+-- name: DeleteItemStatProgress :exec
+DELETE FROM item_stat_progress WHERE item_id = ? AND stat_id = ?;
+
+-- name: ClearItemStatProgress :exec
+DELETE FROM item_stat_progress WHERE item_id = ?;
diff --git a/internal/database/mysql/queries/project.sql b/internal/database/mysql/queries/project.sql
index ab1f410..252298a 100644
--- a/internal/database/mysql/queries/project.sql
+++ b/internal/database/mysql/queries/project.sql
@@ -3,3 +3,9 @@ SELECT id, name, status FROM project
 WHERE scope_id = ?
 ORDER BY status, created_time;
 
+-- name: GetProject :one
+SELECT * FROM project WHERE id = ?;
+
+-- name: ListProjectRequirementsByProjectID :many
+SELECT * FROM project_requirement WHERE project_id = ?;
+
diff --git a/internal/database/mysql/scopes.go b/internal/database/mysql/scopes.go
index f80c0d8..c16961e 100644
--- a/internal/database/mysql/scopes.go
+++ b/internal/database/mysql/scopes.go
@@ -16,7 +16,7 @@ type scopeRepository struct {
 	db *sql.DB
 }
 
-func (r *scopeRepository) Find(ctx context.Context, id int) (*models.Scope, error) {
+func (r *scopeRepository) Find(ctx context.Context, id int, full bool) (*models.Scope, error) {
 	q := mysqlcore.New(r.db)
 	scope, err := q.GetScope(ctx, id)
 	if err != nil {
@@ -37,64 +37,66 @@ func (r *scopeRepository) Find(ctx context.Context, id int) (*models.Scope, erro
 
 	eg, ctx := errgroup.WithContext(ctx)
 
-	eg.Go(func() error {
-		members, err := q.ListScopeMembers(ctx, id)
-		if err != nil && err != sql.ErrNoRows {
-			return err
-		}
+	if full {
+		eg.Go(func() error {
+			projects, err := q.ListProjectEntries(ctx, id)
+			if err != nil && err != sql.ErrNoRows {
+				return err
+			}
 
-		for _, member := range members {
-			res.Members = append(res.Members, models.ScopeMember{
-				ID:    member.UserID,
-				Name:  member.Name,
-				Owner: member.Owner,
-			})
-		}
+			for _, project := range projects {
+				res.Projects = append(res.Projects, models.ProjectEntry{
+					ID:     project.ID,
+					Name:   project.Name,
+					Status: models.Status(project.Status),
+				})
+			}
 
-		return nil
-	})
+			return nil
+		})
 
-	eg.Go(func() error {
-		projects, err := q.ListProjectEntries(ctx, id)
-		if err != nil && err != sql.ErrNoRows {
-			return err
-		}
+		eg.Go(func() error {
+			stats, err := q.ListStats(ctx, id)
+			if err != nil && err != sql.ErrNoRows {
+				return err
+			}
 
-		for _, project := range projects {
-			res.Projects = append(res.Projects, models.ProjectEntry{
-				ID:     project.ID,
-				Name:   project.Name,
-				Status: models.Status(project.Status),
-			})
-		}
+			for _, stat := range stats {
+				var amounts map[string]int
+				if stat.AllowedAmounts.Valid {
+					amounts = make(map[string]int)
+					err := json.Unmarshal(stat.AllowedAmounts.RawMessage, &amounts)
+					if err != nil {
+						return err
+					}
+				}
 
-		return nil
-	})
+				res.Stats = append(res.Stats, models.Stat{
+					StatEntry: models.StatEntry{
+						ID:     stat.ID,
+						Name:   stat.Name,
+						Weight: stat.Weight,
+					},
+					Description:    stat.Description,
+					AllowedAmounts: amounts,
+				})
+			}
+
+			return nil
+		})
+	}
 
 	eg.Go(func() error {
-		stats, err := q.ListStats(ctx, id)
+		members, err := q.ListScopeMembers(ctx, id)
 		if err != nil && err != sql.ErrNoRows {
 			return err
 		}
 
-		for _, stat := range stats {
-			var amounts map[string]int
-			if stat.AllowedAmounts.Valid {
-				amounts = make(map[string]int)
-				err := json.Unmarshal(stat.AllowedAmounts.RawMessage, &amounts)
-				if err != nil {
-					return err
-				}
-			}
-
-			res.Stats = append(res.Stats, models.Stat{
-				StatEntry: models.StatEntry{
-					ID:     stat.ID,
-					Name:   stat.Name,
-					Weight: stat.Weight,
-				},
-				Description:    stat.Description,
-				AllowedAmounts: amounts,
+		for _, member := range members {
+			res.Members = append(res.Members, models.ScopeMember{
+				ID:    member.UserID,
+				Name:  member.Name,
+				Owner: member.Owner,
 			})
 		}
 
diff --git a/internal/models/common.go b/internal/models/common.go
new file mode 100644
index 0000000..ddfdde0
--- /dev/null
+++ b/internal/models/common.go
@@ -0,0 +1,46 @@
+package models
+
+import (
+	"encoding/json"
+	"fmt"
+	"time"
+)
+
+type Date [3]int
+
+func ParseDate(s string) (Date, error) {
+	date, err := time.ParseInLocation("2006-01-02", s, time.UTC)
+	if err != nil {
+		return [3]int{}, err
+	}
+
+	y, m, d := date.Date()
+	return Date{y, int(m), d}, nil
+}
+
+func (d *Date) UnmarshalJSON(b []byte) error {
+	var str string
+	err := json.Unmarshal(b, &str)
+	if err != nil {
+		return err
+	}
+
+	*d, err = ParseDate(str)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (d Date) String() string {
+	return fmt.Sprintf("%04d-%02d-%02d", d[0], d[1], d[2])
+}
+
+func (d Date) MarshalJSON() ([]byte, error) {
+	return []byte("\"" + d.String() + "\""), nil
+}
+
+func (d Date) ToTime() time.Time {
+	return time.Date(d[0], time.Month(d[1]), d[2], 0, 0, 0, 0, time.UTC)
+}
diff --git a/internal/models/item.go b/internal/models/item.go
index c4b0bd7..8e422f9 100644
--- a/internal/models/item.go
+++ b/internal/models/item.go
@@ -3,15 +3,85 @@ package models
 import "time"
 
 type Item struct {
-	ID                   int
-	ProjectRequirementID *int
-	OwnerID              string
-
-	Name          string
-	Description   string
-	OwnerName     string
-	CreatedTime   time.Time
-	AcquiredTime  *time.Time
-	ScheduledDate *time.Time
-	Stats         []StatProgressEntry
+	ID                   int    `json:"id"`
+	ScopeID              int    `json:"scopeId"`
+	OwnerID              string `json:"-"`
+	ProjectID            *int   `json:"projectId,omitempty"`
+	ProjectRequirementID *int   `json:"projectRequirementId,omitempty"`
+
+	Name          string     `json:"name"`
+	Description   string     `json:"description"`
+	CreatedTime   time.Time  `json:"createdTime"`
+	AcquiredTime  *time.Time `json:"acquiredTime"`
+	ScheduledDate *Date      `json:"scheduledDate"`
+
+	Stats []StatProgressEntry `json:"stats,omitempty"`
+	Owner *ScopeMember        `json:"owner,omitempty"`
+}
+
+func (item *Item) ApplyUpdate(update ItemUpdate) {
+	if update.ProjectRequirementID != nil {
+		item.ProjectRequirementID = update.ProjectRequirementID
+	}
+	if update.OwnerID != nil {
+		item.OwnerID = *update.OwnerID
+		item.Owner = nil
+	}
+	if update.Name != nil {
+		item.Name = *update.Name
+	}
+	if update.Description != nil {
+		item.Description = *update.Description
+	}
+	if update.AcquiredTime != nil {
+		item.AcquiredTime = update.AcquiredTime
+	}
+	if update.ScheduledDate != nil {
+		item.ScheduledDate = update.ScheduledDate
+	}
+	if update.ClearScheduledDate {
+		item.ScheduledDate = nil
+	}
+	if update.ClearProjectRequirementID {
+		item.ProjectRequirementID = nil
+	}
+	if update.ClearAcquiredTime {
+		item.AcquiredTime = nil
+	}
+
+	deleteList := make([]int, 0, len(update.Stats))
+	for i, stat := range update.Stats {
+		if stat.Acquired == 0 && stat.Required == 0 {
+			deleteList = append(deleteList, i-len(deleteList))
+		}
+
+		found := false
+		for j := range item.Stats {
+			if item.Stats[j].ID == stat.ID {
+				item.Stats[j].Required = stat.Required
+				item.Stats[j].Acquired = stat.Acquired
+
+				found = true
+				break
+			}
+		}
+		if !found {
+			item.Stats = append(item.Stats, stat)
+		}
+	}
+}
+
+type ItemUpdate struct {
+	ProjectRequirementID *int       `json:"projectRequirementId"`
+	OwnerID              *string    `json:"ownerId"`
+	Name                 *string    `json:"name"`
+	Description          *string    `json:"description"`
+	AcquiredTime         *time.Time `json:"acquiredTime"`
+	ScheduledDate        *Date      `json:"scheduledDate"`
+
+	Stats []StatProgressEntry `json:"stats"`
+
+	ClearProjectRequirementID bool `json:"clearProjectRequirementId"`
+	ClearAcquiredTime         bool `json:"clearAcquiredTime"`
+	ClearScheduledDate        bool `json:"clearScheduledDate"`
 }
diff --git a/internal/models/project.go b/internal/models/project.go
index 0fcb12b..63ce8b2 100644
--- a/internal/models/project.go
+++ b/internal/models/project.go
@@ -11,5 +11,19 @@ type ProjectRequirement struct {
 	Name        string              `json:"name"`
 	Description string              `json:"description"`
 	Status      Status              `json:"status"`
+	Stats       []StatProgressEntry `json:"stats,omitempty"`
+	Items       []Item              `json:"items,omitempty"`
+}
+
+type ProjectRequirementUpdate struct {
+	Name        *string             `json:"name"`
+	Description *string             `json:"description"`
+	Status      *Status             `json:"status"`
 	Stats       []StatProgressEntry `json:"stats"`
 }
+
+type Project struct {
+	ProjectEntry
+	Description  string
+	Requirements []ProjectRequirement
+}
diff --git a/internal/models/scope.go b/internal/models/scope.go
index 7b7ec9e..47689dc 100644
--- a/internal/models/scope.go
+++ b/internal/models/scope.go
@@ -16,9 +16,19 @@ type Scope struct {
 	ScopeEntry
 
 	DisplayName string         `json:"displayName"`
-	Members     []ScopeMember  `json:"members"`
-	Projects    []ProjectEntry `json:"projects"`
-	Stats       []Stat         `json:"stats"`
+	Members     []ScopeMember  `json:"members,omitempty"`
+	Projects    []ProjectEntry `json:"projects,omitempty"`
+	Stats       []Stat         `json:"stats,omitempty"`
+}
+
+func (s *Scope) Member(id string) *ScopeMember {
+	for _, user := range s.Members {
+		if user.ID == id {
+			return &user
+		}
+	}
+
+	return nil
 }
 
 func (s *Scope) HasMember(id string) bool {
@@ -30,3 +40,13 @@ func (s *Scope) HasMember(id string) bool {
 
 	return false
 }
+
+func (s *Scope) Stat(id int) *Stat {
+	for _, stat := range s.Stats {
+		if stat.ID == id {
+			return &stat
+		}
+	}
+
+	return nil
+}
diff --git a/internal/models/stat.go b/internal/models/stat.go
index 8e04ef5..2cecee7 100644
--- a/internal/models/stat.go
+++ b/internal/models/stat.go
@@ -19,3 +19,20 @@ type Stat struct {
 	Description    string         `json:"description"`
 	AllowedAmounts map[string]int `json:"allowedAmounts"`
 }
+
+func (stat *Stat) AllowsAmount(amount int) bool {
+	if stat == nil {
+		return false
+	}
+	if stat.AllowedAmounts == nil || len(stat.AllowedAmounts) == 0 {
+		return true
+	}
+
+	for _, v := range stat.AllowedAmounts {
+		if v == amount {
+			return true
+		}
+	}
+
+	return false
+}
\ No newline at end of file
diff --git a/internal/sqltypes/nulldate.go b/internal/sqltypes/nulldate.go
new file mode 100644
index 0000000..eb0965c
--- /dev/null
+++ b/internal/sqltypes/nulldate.go
@@ -0,0 +1,46 @@
+package sqltypes
+
+import (
+	"database/sql/driver"
+	"errors"
+	"git.aiterp.net/stufflog3/stufflog3-api/internal/models"
+	"time"
+)
+
+type NullDate struct {
+	Date  models.Date
+	Valid bool
+}
+
+func (n *NullDate) Scan(value interface{}) error {
+	if value == nil {
+		n.Valid = false
+		return nil
+	}
+
+	switch value := value.(type) {
+	case string:
+		date, err := models.ParseDate(value)
+		if err != nil {
+			return err
+		}
+
+		n.Date = date
+		n.Valid = true
+	case time.Time:
+		n.Date = models.Date{value.Year(), int(value.Month()), value.Day()}
+		n.Valid = true
+	default:
+		return errors.New("invalid type")
+	}
+
+	return nil
+}
+
+func (n NullDate) Value() (driver.Value, error) {
+	if !n.Valid {
+		return nil, nil
+	}
+
+	return n.Date.String(), nil
+}
diff --git a/sqlc.yaml b/sqlc.yaml
index 4a9a41d..74ca795 100644
--- a/sqlc.yaml
+++ b/sqlc.yaml
@@ -5,17 +5,23 @@ packages:
     queries: "./internal/database/mysql/queries"
     schema: "./scripts/goose-mysql"
     engine: "mysql"
-    emit_prepared_queries: true
+    emit_prepared_queries: false
     emit_interface: false
     emit_exact_table_names: false
     emit_empty_slices: true
-    emit_json_tags: true
+    emit_json_tags: false
 overrides:
   - go_type: "git.aiterp.net/stufflog3/stufflog3-api/internal/sqltypes.NullRawMessage"
     db_type: "json"
     nullable: true
+  - go_type: "git.aiterp.net/stufflog3/stufflog3-api/internal/sqltypes.NullDate"
+    db_type: "date"
+    nullable: true
+  - go_type: "float64"
+    db_type: "float"
   - go_type: "float64"
     db_type: "float"
+    nullable: true
   - go_type: "int"
     db_type: "int"