second commit

internal/handler/api/v1/installation_config_handler.go

@@ -0,0 +1,116 @@
+package v1
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/gochat/gochat/internal/service"
+	"github.com/gochat/gochat/pkg/pagination"
+	"github.com/gochat/gochat/pkg/response"
+)
+
+// InstallationConfigHandler handles InstallationConfig CRUD endpoints.
+// Reference: Chatwoot app/controllers/api/v1/platform/installation_configs_controller.rb
+// Note: These handlers are registered under /platform/api/v1/ namespace (super admin only)
+type InstallationConfigHandler struct {
+	svc *service.InstallationConfigService
+}
+
+// NewInstallationConfigHandler creates a new InstallationConfig handler with service injection.
+func NewInstallationConfigHandler(svc *service.InstallationConfigService) *InstallationConfigHandler {
+	return &InstallationConfigHandler{svc: svc}
+}
+
+// --- Platform-level InstallationConfig endpoints (super-admin only) ---
+// Reference: Chatwoot routes — namespace :installation_configs under :platform_app
+
+// List retrieves all installation configs, paginated.
+// GET /platform/api/v1/installation_configs
+func (h *InstallationConfigHandler) List(c *gin.Context) {
+	page := pagination.Parse(c)
+	configs, total, svcErr := h.svc.List(c.Request.Context(), page.Offset, page.PerPage)
+	if svcErr != nil {
+		handleServiceError(c, svcErr)
+		return
+	}
+
+	response.OKWithMeta(c, configs, page.Page, page.PerPage, total)
+}
+
+// Get retrieves a single installation config by ID.
+// GET /platform/api/v1/installation_configs/:id
+func (h *InstallationConfigHandler) Get(c *gin.Context) {
+	id, err := parseUintParam(c, "id")
+	if err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "invalid id")
+		return
+	}
+
+	cfg, svcErr := h.svc.Get(c.Request.Context(), id)
+	if svcErr != nil {
+		handleServiceError(c, svcErr)
+		return
+	}
+
+	response.OK(c, cfg)
+}
+
+// Create creates a new installation config.
+// POST /platform/api/v1/installation_configs
+func (h *InstallationConfigHandler) Create(c *gin.Context) {
+	var req service.CreateInstallationConfigRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, err.Error())
+		return
+	}
+
+	cfg, svcErr := h.svc.Create(c.Request.Context(), &req)
+	if svcErr != nil {
+		handleServiceError(c, svcErr)
+		return
+	}
+
+	response.Created(c, cfg)
+}
+
+// Update modifies an existing installation config.
+// PUT /platform/api/v1/installation_configs/:id
+func (h *InstallationConfigHandler) Update(c *gin.Context) {
+	id, err := parseUintParam(c, "id")
+	if err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "invalid id")
+		return
+	}
+
+	var req service.UpdateInstallationConfigRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, err.Error())
+		return
+	}
+
+	cfg, svcErr := h.svc.Update(c.Request.Context(), id, &req)
+	if svcErr != nil {
+		handleServiceError(c, svcErr)
+		return
+	}
+
+	response.OK(c, cfg)
+}
+
+// Delete removes an installation config by ID.
+// DELETE /platform/api/v1/installation_configs/:id
+func (h *InstallationConfigHandler) Delete(c *gin.Context) {
+	id, err := parseUintParam(c, "id")
+	if err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "invalid id")
+		return
+	}
+
+	if svcErr := h.svc.Delete(c.Request.Context(), id); svcErr != nil {
+		handleServiceError(c, svcErr)
+		return
+	}
+
+	response.NoContent(c)
+}