feat: refine OT flow, reports, theming and sidebar UX

backend/internal/platformsettings/repository.go

@@ -0,0 +1,44 @@
+package platformsettings
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+var AllowedKeys = map[string]bool{
+	"platform_name":       true,
+	"platform_subtitle":   true,
+	"platform_logo":       true,
+	"admin_primary_color": true,
+	"admin_accent_color":  true,
+}
+
+func GetSettings(ctx context.Context, pool *pgxpool.Pool) (map[string]string, error) {
+	rows, err := pool.Query(ctx, `SELECT key, value FROM public.platform_settings`)
+	if err != nil {
+		return nil, fmt.Errorf("platform settings: get: %w", err)
+	}
+	defer rows.Close()
+	result := map[string]string{}
+	for rows.Next() {
+		var k, v string
+		if err := rows.Scan(&k, &v); err != nil {
+			return nil, fmt.Errorf("platform settings: scan: %w", err)
+		}
+		result[k] = v
+	}
+	return result, rows.Err()
+}
+
+func SetSetting(ctx context.Context, pool *pgxpool.Pool, key, value string) error {
+	_, err := pool.Exec(ctx,
+		`INSERT INTO public.platform_settings (key, value) VALUES ($1, $2)
+		 ON CONFLICT (key) DO UPDATE SET value = EXCLUDED.value, updated_at = NOW()`,
+		key, value)
+	if err != nil {
+		return fmt.Errorf("platform settings: set %s: %w", key, err)
+	}
+	return nil
+}