feat(backend): add list orgs endpoint

apps/backend/internal/organization/http.go

@@ -0,0 +1,46 @@
+package organization
+
+import (
+	"github.com/get-drexa/drexa/internal/httperr"
+	"github.com/get-drexa/drexa/internal/reqctx"
+	"github.com/get-drexa/drexa/internal/user"
+	"github.com/gofiber/fiber/v2"
+	"github.com/uptrace/bun"
+)
+
+type HTTPHandler struct {
+	service        *Service
+	db             *bun.DB
+	authMiddleware fiber.Handler
+}
+
+func NewHTTPHandler(service *Service, db *bun.DB, authMiddleware fiber.Handler) *HTTPHandler {
+	return &HTTPHandler{service: service, db: db, authMiddleware: authMiddleware}
+}
+
+func (h *HTTPHandler) RegisterRoutes(users fiber.Router) {
+	users.Get("/me/organizations", h.listAuthenticatedUserOrganizations)
+}
+
+// listAuthenticatedUserOrganizations returns the organizations the current user is a member of
+// @Summary List current user's organizations
+// @Description Retrieve the organizations the authenticated user belongs to
+// @Tags users
+// @Produce json
+// @Security BearerAuth
+// @Success 200 {array} Organization "Array of organizations"
+// @Failure 401 {string} string "Not authenticated"
+// @Router /users/me/organizations [get]
+func (h *HTTPHandler) listAuthenticatedUserOrganizations(c *fiber.Ctx) error {
+	u, _ := reqctx.AuthenticatedUser(c).(*user.User)
+	if u == nil {
+		return c.SendStatus(fiber.StatusUnauthorized)
+	}
+
+	orgs, err := h.service.ListOrganizationsForUser(c.Context(), h.db, u.ID)
+	if err != nil {
+		return httperr.Internal(err)
+	}
+
+	return c.JSON(orgs)
+}