feat: add repair-projects CLI command

pkg/cmd/repair_projects.go

@@ -0,0 +1,80 @@
+// Vikunja is a to-do list application to facilitate your life.
+// Copyright 2018-present Vikunja and contributors. All rights reserved.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package cmd
+
+import (
+	"code.vikunja.io/api/pkg/db"
+	"code.vikunja.io/api/pkg/initialize"
+	"code.vikunja.io/api/pkg/log"
+	"code.vikunja.io/api/pkg/models"
+
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	repairProjectsCmd.Flags().Bool("dry-run", false, "Preview repairs without making changes")
+	rootCmd.AddCommand(repairProjectsCmd)
+}
+
+var repairProjectsCmd = &cobra.Command{
+	Use:   "repair-projects",
+	Short: "Repair orphaned projects whose parent project no longer exists",
+	Long: `Finds projects whose parent_project_id references a project that no longer
+exists in the database and re-parents them to the top level (parent_project_id = 0).
+
+This can happen when a parent project is deleted but its sub-projects are not
+fully cleaned up, for example after importing from external services like Trello.
+
+Orphaned projects cannot be un-archived, modified, or deleted through the UI
+because permission checks fail when traversing the broken parent chain.
+
+Use --dry-run to preview what would be fixed without making changes.`,
+	PreRun: func(_ *cobra.Command, _ []string) {
+		initialize.FullInitWithoutAsync()
+	},
+	Run: func(cmd *cobra.Command, _ []string) {
+		dryRun, _ := cmd.Flags().GetBool("dry-run")
+
+		s := db.NewSession()
+		defer s.Close()
+
+		if dryRun {
+			log.Infof("Running in dry-run mode - no changes will be made")
+		}
+
+		result, err := models.RepairOrphanedProjects(s, dryRun)
+		if err != nil {
+			log.Errorf("Failed to repair orphaned projects: %s", err)
+			return
+		}
+
+		if !dryRun {
+			if err := s.Commit(); err != nil {
+				log.Errorf("Failed to commit changes: %s", err)
+				return
+			}
+		}
+
+		log.Infof("Repair complete:")
+		log.Infof("  Orphaned projects found: %d", result.Found)
+		log.Infof("  Projects repaired: %d", result.Repaired)
+
+		if result.Found == 0 {
+			log.Infof("No orphaned projects found - all parent references are valid!")
+		}
+	},
+}

pkg/models/project_repair.go

@@ -68,4 +68,3 @@ func RepairOrphanedProjects(s *xorm.Session, dryRun bool) (*RepairOrphanedProjec
 
 	return result, nil
 }
-

pkg/models/project_repair_test.go

@@ -80,4 +80,3 @@ func TestRepairOrphanedProjects(t *testing.T) {
 		assert.Equal(t, 0, result.Repaired)
 	})
 }
-