color api

internal/mysql/bridgerepo.go

@@ -22,7 +22,7 @@ func (b *BridgeRepo) Find(ctx context.Context, id int) (models.Bridge, error) {
 
 func (b *BridgeRepo) FetchAll(ctx context.Context) ([]models.Bridge, error) {
 	bridges := make([]models.Bridge, 0, 8)
-	err := b.DBX.GetContext(ctx, bridges, "SELECT * FROM bridge")
+	err := b.DBX.GetContext(ctx, &bridges, "SELECT * FROM bridge")
 	if err != nil {
 		return nil, dbErr(err)
 	}

internal/mysql/presetrepo.go

@@ -0,0 +1,99 @@
+package mysql
+
+import (
+	"context"
+	"git.aiterp.net/lucifer/new-server/models"
+	"github.com/jmoiron/sqlx"
+)
+
+type presetRecord struct {
+	ID         int     `db:"id"`
+	Name       string  `db:"name"`
+	Hue        float64 `db:"hue"`
+	Saturation float64 `db:"saturation"`
+	Kelvin     int     `db:"kelvin"`
+}
+
+type ColorPresetRepo struct {
+	DBX *sqlx.DB
+}
+
+func (c *ColorPresetRepo) Find(ctx context.Context, id int) (models.ColorPreset, error) {
+	var record presetRecord
+	err := c.DBX.GetContext(ctx, &record, "SELECT * FROM color_preset WHERE id = ?", id)
+	if err != nil {
+		return models.ColorPreset{}, dbErr(err)
+	}
+
+	return c.fromRecords(record)[0], nil
+}
+
+func (c *ColorPresetRepo) FetchAll(ctx context.Context) ([]models.ColorPreset, error) {
+	records := make([]presetRecord, 0, 16)
+	err := c.DBX.SelectContext(ctx, &records, "SELECT * FROM color_preset")
+	if err != nil {
+		return nil, dbErr(err)
+	}
+
+	return c.fromRecords(records...), nil
+}
+
+func (c *ColorPresetRepo) Save(ctx context.Context, preset *models.ColorPreset) error {
+	if preset.ID > 0 {
+		_, err := c.DBX.ExecContext(
+			ctx,
+			"UPDATE color_preset SET name = ?, hue = ?, saturation = ?, kelvin = ? WHERE id = ?",
+			preset.Name, preset.Value.Hue, preset.Value.Saturation, preset.Value.Kelvin, preset.ID,
+		)
+
+		if err != nil {
+			return dbErr(err)
+		}
+	} else {
+		rs, err := c.DBX.ExecContext(
+			ctx,
+			"INSERT INTO color_preset (name, hue, saturation, kelvin) VALUES (?, ?, ?, ?)",
+			preset.Name, preset.Value.Hue, preset.Value.Saturation, preset.Value.Kelvin,
+		)
+
+		if err != nil {
+			return dbErr(err)
+		}
+
+		id, err := rs.LastInsertId()
+		if err != nil {
+			return dbErr(err)
+		}
+
+		preset.ID = int(id)
+	}
+
+	return nil
+}
+
+func (c *ColorPresetRepo) Delete(ctx context.Context, preset *models.ColorPreset) error {
+	_, err := c.DBX.ExecContext(ctx, "DELETE FROM color_preset WHERE id = ?", preset.ID)
+	if err != nil {
+		return dbErr(err)
+	}
+
+	preset.ID = 0
+	return nil
+}
+
+func (c *ColorPresetRepo) fromRecords(records ...presetRecord) []models.ColorPreset {
+	newList := make([]models.ColorPreset, len(records), len(records))
+	for i, record := range records {
+		newList[i] = models.ColorPreset{
+			ID:   record.ID,
+			Name: record.Name,
+			Value: models.ColorValue{
+				Hue:        record.Hue,
+				Saturation: record.Saturation,
+				Kelvin:     record.Kelvin,
+			},
+		}
+	}
+
+	return newList
+}