feat(documents): rebuild project document workbench

backend/internal/models/migrations.go

@@ -31,6 +31,7 @@ func runVersionedMigrations(database *gorm.DB) error {
 	migrations := []versionedMigration{
 		{version: 1, name: "normalize_project_identifiers", run: normalizeLegacyProjectIdentifiers},
 		{version: 2, name: "deduplicate_project_tags", run: deduplicateLegacyProjectTags},
+		{version: 3, name: "replace_notes_sources_with_documents", run: replaceNotesSourcesWithDocuments},
 	}
 	for _, migration := range migrations {
 		// Connection callbacks can provide an initialized Gorm session. Start each
@@ -63,6 +64,28 @@ func runVersionedMigrations(database *gorm.DB) error {
 	return nil
 }
 
+func replaceNotesSourcesWithDocuments(tx *gorm.DB) (map[string]int, error) {
+	deletedShares := int64(0)
+	if tx.Migrator().HasTable(&SaTaskShare{}) {
+		result := tx.Where("object_type IN ?", []string{"note", "source"}).Delete(&SaTaskShare{})
+		if result.Error != nil {
+			return nil, result.Error
+		}
+		deletedShares = result.RowsAffected
+	}
+	dropped := 0
+	for _, table := range []string{"sa_notes", "sa_sources"} {
+		if !tx.Migrator().HasTable(table) {
+			continue
+		}
+		if err := tx.Migrator().DropTable(table); err != nil {
+			return nil, err
+		}
+		dropped++
+	}
+	return map[string]int{"dropped_tables": dropped, "deleted_task_shares": int(deletedShares)}, nil
+}
+
 func normalizeLegacyProjectIdentifiers(tx *gorm.DB) (map[string]int, error) {
 	var projects []SaProject
 	if err := tx.Model(&SaProject{}).Select("id", "owner_id", "identifier").Order("owner_id asc, id asc").Find(&projects).Error; err != nil {