✨ feat(colors): Add a route which lists all available controllers with their metadata

README.md

@@ -67,8 +67,9 @@ Authorization: <token>
 #### Colors
 
 | Method | Route          | Description                                        | Request Body             |
-| ------ | -------------- | ------------------------------------- | ------------------------ |
+| ------ | -------------- | -------------------------------------------------- | ------------------------ |
-| GET    | `/colors/{id}` | Get the current color of a controller | —                        |
+| GET    | `/colors/`     | Get the current color of all available controllers | —                        |
+| GET    | `/colors/{id}` | Get the current color of a specific controller     | —                        |
 | PUT    | `/colors/{id}` | Set the color of a controller                      | `{ "color": "#FF0000" }` |
 
 ---

cmd/internal/db/queries.go

@@ -70,6 +70,25 @@ func ControllerExists(id int) bool {
 	return count > 0
 }
 
+func GetAllColors() ([]models.LampState, error) {
+	rows, err := DB.Query("SELECT id, color, updated_at FROM controllers WHERE id > 0")
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var controllers []models.LampState
+
+	for rows.Next() {
+		var state models.LampState
+		if err := rows.Scan(&state.ID, &state.Color, &state.UpdatedAt); err != nil {
+			return nil, err
+		}
+		controllers = append(controllers, state)
+	}
+	return controllers, nil
+}
+
 func ViewColor(id int) (*models.LampState, error) {
 	row := DB.QueryRow("SELECT id, color, updated_at FROM controllers WHERE id = ?", id)
 

cmd/internal/routes/colors.go

@@ -14,9 +14,18 @@ import (
 )
 
 func RegisterColorRoutes(mux *http.ServeMux) {
+	mux.HandleFunc("GET /api/v1/colors/", middleware.WithAdminAuth(listColors))
 	mux.HandleFunc("GET /api/v1/colors/{ID}", middleware.WithAdminAuth(getCurrent))
 	mux.HandleFunc("PUT /api/v1/colors/{ID}", middleware.WithAdminAuth(setCurrent))
-	// mux.HandleFunc("WS /api/v1/ws/colors/{ID}", setCurrentWebsocket)
+}
+
+func listColors(w http.ResponseWriter, r *http.Request) {
+	defer r.Body.Close()
+	colors, err := db.GetAllColors()
+	if err != nil {
+		utils.ErrorResponse(w, http.StatusInternalServerError, err.Error())
+	}
+	utils.SuccessResponse(w, http.StatusOK, colors)
 }
 
 func getCurrent(w http.ResponseWriter, r *http.Request) {