feat: roles system backend

api/handlers/permission/permissionHandler.go

@@ -0,0 +1,53 @@
+package permission
+
+import (
+	"RenewCMS/internal/domain/role"
+	"RenewCMS/internal/infrastructure/useCases"
+	"encoding/json"
+	"net/http"
+)
+
+type Handler struct {
+	ListUseCase *useCases.ListPermissionsUseCase
+}
+
+func NewHandler(list *useCases.ListPermissionsUseCase) *Handler {
+	return &Handler{ListUseCase: list}
+}
+
+type permissionItem struct {
+	Key       string    `json:"key"`
+	ScopeKind role.Kind `json:"scope_kind"`
+	OwnerOnly bool      `json:"owner_only"`
+	PerType   bool      `json:"per_type"`
+}
+
+type permissionGroup struct {
+	Key   string           `json:"key"`
+	Items []permissionItem `json:"items"`
+}
+
+type permissionResponse struct {
+	Groups []permissionGroup `json:"groups"`
+}
+
+func toResponse(groups []useCases.PermissionGroup) permissionResponse {
+	response := permissionResponse{Groups: make([]permissionGroup, 0, len(groups))}
+	for _, group := range groups {
+		items := make([]permissionItem, 0, len(group.Items))
+		for _, permission := range group.Items {
+			items = append(items, permissionItem{Key: permission.Key, ScopeKind: permission.Kind, OwnerOnly: permission.OwnerOnly, PerType: permission.PerType()})
+		}
+		response.Groups = append(response.Groups, permissionGroup{Key: group.Key, Items: items})
+	}
+	return response
+}
+
+func (h *Handler) List(w http.ResponseWriter, r *http.Request) {
+	body, err := json.Marshal(toResponse(h.ListUseCase.List()))
+	if err != nil {
+		http.Error(w, "Internal server error", http.StatusInternalServerError)
+		return
+	}
+	_, _ = w.Write(body)
+}