init

internal/handler/settings_handler.go

@@ -0,0 +1,84 @@
+package handler
+
+import (
+	"errors"
+
+	"accounting-app/pkg/api"
+	"accounting-app/internal/service"
+
+	"github.com/gin-gonic/gin"
+)
+
+// SettingsHandler handles HTTP requests for user settings operations
+// Feature: accounting-feature-upgrade
+// Validates: Requirements 5.4, 6.5, 8.25-8.27
+type SettingsHandler struct {
+	settingsService service.UserSettingsServiceInterface
+}
+
+// NewSettingsHandler creates a new SettingsHandler instance
+func NewSettingsHandler(settingsService service.UserSettingsServiceInterface) *SettingsHandler {
+	return &SettingsHandler{
+		settingsService: settingsService,
+	}
+}
+
+// GetSettings handles GET /api/v1/settings
+// Retrieves user settings, creating default settings if not found
+// Feature: accounting-feature-upgrade
+// Validates: Requirements 5.4, 6.5, 8.25-8.27
+func (h *SettingsHandler) GetSettings(c *gin.Context) {
+	userId, exists := c.Get("user_id")
+	if !exists {
+		api.Unauthorized(c, "User not authenticated")
+		return
+	}
+
+	settings, err := h.settingsService.GetSettings(userId.(uint))
+	if err != nil {
+		api.InternalError(c, "Failed to get settings: "+err.Error())
+		return
+	}
+
+	api.Success(c, settings)
+}
+
+// UpdateSettings handles PUT /api/v1/settings
+// Updates user settings with validation
+// Feature: accounting-feature-upgrade
+// Validates: Requirements 5.4, 6.5, 8.25-8.27
+func (h *SettingsHandler) UpdateSettings(c *gin.Context) {
+	userId, exists := c.Get("user_id")
+	if !exists {
+		api.Unauthorized(c, "User not authenticated")
+		return
+	}
+
+	var input service.UserSettingsInput
+	if err := c.ShouldBindJSON(&input); err != nil {
+		api.ValidationError(c, "Invalid request body: "+err.Error())
+		return
+	}
+
+	settings, err := h.settingsService.UpdateSettings(userId.(uint), input)
+	if err != nil {
+		if errors.Is(err, service.ErrInvalidIconLayout) {
+			api.BadRequest(c, "Invalid icon layout, must be one of: four, five, six")
+			return
+		}
+		if errors.Is(err, service.ErrInvalidImageCompression) {
+			api.BadRequest(c, "Invalid image compression, must be one of: low, medium, high")
+			return
+		}
+		api.InternalError(c, "Failed to update settings: "+err.Error())
+		return
+	}
+
+	api.Success(c, settings)
+}
+
+// RegisterRoutes registers all settings routes to the given router group
+func (h *SettingsHandler) RegisterRoutes(rg *gin.RouterGroup) {
+	rg.GET("/settings", h.GetSettings)
+	rg.PUT("/settings", h.UpdateSettings)
+}