second commit

internal/handler/api/v1/category_handler.go

@@ -0,0 +1,167 @@
+package v1
+
+import (
+	"net/http"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+	"github.com/gochat/gochat/internal/service"
+	applogger "github.com/gochat/gochat/pkg/logger"
+	"github.com/gochat/gochat/pkg/pagination"
+	"github.com/gochat/gochat/pkg/response"
+)
+
+// CategoryHandler handles Category CRUD endpoints.
+type CategoryHandler struct {
+	svc *service.CategoryService
+}
+
+func NewCategoryHandler(svc *service.CategoryService) *CategoryHandler {
+	return &CategoryHandler{svc: svc}
+}
+
+// Create creates a new category.
+// POST /api/v1/accounts/:account_id/portals/:portal_id/categories
+func (h *CategoryHandler) Create(c *gin.Context) {
+	portalID, err := strconv.ParseUint(c.Param("portal_id"), 10, 64)
+	if err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "invalid portal_id")
+		return
+	}
+
+	accountID, err := strconv.ParseUint(c.Param("account_id"), 10, 64)
+	if err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "invalid account_id")
+		return
+	}
+
+	// Chatwoot: params.require(:category) → {"category": {...}}
+	var wrapper struct {
+		Category service.CreateCategoryRequest `json:"category"`
+	}
+	if err := c.ShouldBindJSON(&wrapper); err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrValidation, err.Error())
+		return
+	}
+	req := wrapper.Category
+
+	category, err := h.svc.Create(c.Request.Context(), uint(portalID), uint(accountID), &req)
+	if err != nil {
+		applogger.L().Errorf("Create category: %v", err)
+		response.AbortWithStatusError(c, http.StatusInternalServerError, response.ErrInternal, "failed to create category")
+		return
+	}
+
+	response.Created(c, category)
+}
+
+// Get retrieves a category by ID.
+// GET /api/v1/accounts/:account_id/portals/:portal_id/categories/:category_id
+func (h *CategoryHandler) Get(c *gin.Context) {
+	categoryID, err := strconv.ParseUint(c.Param("category_id"), 10, 64)
+	if err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "invalid category_id")
+		return
+	}
+
+	category, err := h.svc.GetByID(c.Request.Context(), uint(categoryID))
+	if err != nil {
+		applogger.L().Errorf("Get category: %v", err)
+		response.AbortWithStatusError(c, http.StatusNotFound, response.ErrNotFound, "category not found")
+		return
+	}
+
+	response.OK(c, category)
+}
+
+// Update modifies an existing category.
+// PUT /api/v1/accounts/:account_id/portals/:portal_id/categories/:category_id
+func (h *CategoryHandler) Update(c *gin.Context) {
+	categoryID, err := strconv.ParseUint(c.Param("category_id"), 10, 64)
+	if err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "invalid category_id")
+		return
+	}
+
+	// Chatwoot: params.require(:category) → {"category": {...}}
+	var wrapper struct {
+		Category service.UpdateCategoryRequest `json:"category"`
+	}
+	if err := c.ShouldBindJSON(&wrapper); err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrValidation, err.Error())
+		return
+	}
+	req := wrapper.Category
+
+	category, err := h.svc.Update(c.Request.Context(), uint(categoryID), &req)
+	if err != nil {
+		applogger.L().Errorf("Update category: %v", err)
+		response.AbortWithStatusError(c, http.StatusInternalServerError, response.ErrInternal, "failed to update category")
+		return
+	}
+
+	response.OK(c, category)
+}
+
+// Delete removes a category.
+// DELETE /api/v1/accounts/:account_id/portals/:portal_id/categories/:category_id
+func (h *CategoryHandler) Delete(c *gin.Context) {
+	categoryID, err := strconv.ParseUint(c.Param("category_id"), 10, 64)
+	if err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "invalid category_id")
+		return
+	}
+
+	if err := h.svc.Delete(c.Request.Context(), uint(categoryID)); err != nil {
+		applogger.L().Errorf("Delete category: %v", err)
+		response.AbortWithStatusError(c, http.StatusInternalServerError, response.ErrInternal, "failed to delete category")
+		return
+	}
+
+	response.NoContent(c)
+}
+
+// List returns all categories for a portal.
+// GET /api/v1/accounts/:account_id/portals/:portal_id/categories
+func (h *CategoryHandler) List(c *gin.Context) {
+	portalID, err := strconv.ParseUint(c.Param("portal_id"), 10, 64)
+	if err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "invalid portal_id")
+		return
+	}
+
+	locale := c.Query("locale")
+
+	pg := pagination.Parse(c)
+	categories, count, err := h.svc.ListByPortalID(c.Request.Context(), uint(portalID), locale, pg.Page, pg.PerPage)
+	if err != nil {
+		applogger.L().Errorf("List categories: %v", err)
+		response.AbortWithStatusError(c, http.StatusInternalServerError, response.ErrInternal, "failed to list categories")
+		return
+	}
+
+	response.OKWithMeta(c, categories, pg.Page, pg.PerPage, count)
+}
+
+// Reorder updates the display order of categories.
+// POST /api/v1/accounts/:account_id/portals/:portal_id/categories/reorder
+func (h *CategoryHandler) Reorder(c *gin.Context) {
+	var req reorderRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrValidation, err.Error())
+		return
+	}
+
+	positions := make(map[uint]int, len(req.Positions))
+	for _, entry := range req.Positions {
+		positions[entry.ID] = entry.Position
+	}
+
+	if err := h.svc.Reorder(c.Request.Context(), positions); err != nil {
+		applogger.L().Errorf("Reorder categories: %v", err)
+		response.AbortWithStatusError(c, http.StatusInternalServerError, response.ErrInternal, "failed to reorder categories")
+		return
+	}
+
+	response.NoContent(c)
+}