Merged in feature/add-deletes (pull request #214)

support delete for client, document and folder

* support delete

for client, document and folder

* remove batch cancel conflict

not used


Approved-by: Jacob Mathison

internal/database/queries/folders.sql

@@ -100,3 +100,56 @@ SELECT
 FROM documents d
 WHERE d.folderId = $1
 ORDER BY d.id;
+
+-- name: GetFolderTreeIDs :many
+-- Get all folder IDs in a folder tree (recursive) for cascade delete operations
+WITH RECURSIVE folder_tree AS (
+    SELECT id, path FROM folders WHERE id = @folder_id
+    UNION ALL
+    SELECT f.id, f.path FROM folders f
+    JOIN folder_tree ft ON f.parentId = ft.id
+)
+SELECT id, path FROM folder_tree;
+
+-- name: CountDocumentsInFolderTree :one
+-- Count documents in a folder tree to check before deletion without include_documents
+WITH RECURSIVE folder_tree AS (
+    SELECT id FROM folders WHERE id = @folder_id
+    UNION ALL
+    SELECT f.id FROM folders f
+    JOIN folder_tree ft ON f.parentId = ft.id
+)
+SELECT COUNT(*) FROM documents WHERE folderId IN (SELECT id FROM folder_tree);
+
+-- name: GetDocumentIDsInFolderTree :many
+-- Get all document IDs in a folder tree for cascade deletion
+WITH RECURSIVE folder_tree AS (
+    SELECT id FROM folders WHERE id = @folder_id
+    UNION ALL
+    SELECT f.id FROM folders f
+    JOIN folder_tree ft ON f.parentId = ft.id
+)
+SELECT id FROM documents WHERE folderId IN (SELECT id FROM folder_tree);
+
+-- name: DeleteDocumentUploadsInFolderTree :exec
+-- @sqlc-vet-disable
+-- Delete documentUploads rows that reference folders in the tree
+WITH RECURSIVE folder_tree AS (
+    SELECT id FROM folders WHERE id = @folder_id
+    UNION ALL
+    SELECT f.id FROM folders f
+    JOIN folder_tree ft ON f.parentId = ft.id
+)
+DELETE FROM documentUploads WHERE folder_id IN (SELECT id FROM folder_tree);
+
+-- name: HardDeleteFolderTree :execrows
+-- @sqlc-vet-disable
+-- Delete all folders in the tree. PostgreSQL handles ordering within the CTE.
+-- Returns the number of rows deleted.
+WITH RECURSIVE folder_tree AS (
+    SELECT id FROM folders WHERE id = @folder_id
+    UNION ALL
+    SELECT f.id FROM folders f
+    JOIN folder_tree ft ON f.parentId = ft.id
+)
+DELETE FROM folders WHERE id IN (SELECT id FROM folder_tree);