Basic API works.

models/item.go

@@ -1,11 +1,12 @@
 package models
 
 type Item struct {
-	ID          string   `db:"item_id"`
-	Name        string   `db:"name"`
-	Description string   `db:"description"`
-	Tags        []string `db:"tags"`
-	ImageURL    *string  `db:"image_url"`
+	ID           string   `db:"item_id"`
+	Name         string   `db:"name"`
+	Description  string   `db:"description"`
+	Tags         []string `db:"tags"`
+	QuantityUnit *string  `db:"quantity_unit"`
+	ImageURL     *string  `db:"image_url"`
 }
 
 type ItemFilter struct {

models/project.go

@@ -1,5 +1,7 @@
 package models
 
+import "unicode"
+
 // A Project is a vague category for issues. It's use depend on the user's judgement, as it could represent
 // an entire hobby/job or a single project within one.
 type Project struct {
@@ -27,7 +29,7 @@ func (project *Project) ValidKey() bool {
 	}
 
 	for _, r := range project.ID {
-		if r < 'A' && r > 'Z' {
+		if !unicode.IsNumber(r) && !unicode.IsUpper(r) && !unicode.Is(unicode.Hiragana, r) && !unicode.Is(unicode.Katakana, r) && !unicode.Is(unicode.Han, r) {
 			return false
 		}
 	}

models/projectstatus.go

@@ -3,7 +3,14 @@ package models
 // ProjectStatus is an entry denoting a status a project's issues can have.
 type ProjectStatus struct {
 	ProjectID   string `db:"project_id"`
-	Stage       int    `db:"status_stage"`
-	Name        string `db:"status_name"`
+	Stage       int    `db:"stage"`
+	Name        string `db:"name"`
 	Description string `db:"description"`
 }
+
+// ProjectStatusFilter is a filter for listing ProjectStatus.
+type ProjectStatusFilter struct {
+	ProjectID *string
+	MinStage  *int
+	MaxStage  *int
+}