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checks against moving note to where it already exists

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This commit is contained in:
azivner 2018-01-02 19:56:45 -05:00
parent 53ee1fa5ed
commit 664a87cdd5
1 changed files with 40 additions and 9 deletions
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49
routes/api/notes_move.js
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@ -14,6 +14,15 @@ router.put('/:noteTreeId/move-to/:parentNoteId', auth.checkApiAuth, async (req,
const noteToMove = await sql.getFirst("SELECT * FROM notes_tree WHERE note_tree_id = ?", [noteTreeId]);
const existing = await getExistingNoteTree(parentNoteId, noteToMove.note_id);
if (existing && !existing.is_deleted && existing.note_tree_id !== noteTreeId) {
return res.send({
success: false,
message: 'This note already exists in target parent note.'
});
}
if (!await checkTreeCycle(parentNoteId, noteToMove.note_id)) {
return res.send({
success: false,
@ -44,6 +53,15 @@ router.put('/:noteTreeId/move-before/:beforeNoteTreeId', auth.checkApiAuth, asyn
const noteToMove = await sql.getFirst("SELECT * FROM notes_tree WHERE note_tree_id = ?", [noteTreeId]);
const beforeNote = await sql.getFirst("SELECT * FROM notes_tree WHERE note_tree_id = ?", [beforeNoteTreeId]);
const existing = await getExistingNoteTree(beforeNote.parent_note_id, noteToMove.note_id);
if (existing && !existing.is_deleted && existing.note_tree_id !== noteTreeId) {
return res.send({
success: false,
message: 'This note already exists in target parent note.'
});
}
if (!await checkTreeCycle(beforeNote.parent_note_id, noteToMove.note_id)) {
return res.send({
success: false,
@ -83,6 +101,15 @@ router.put('/:noteTreeId/move-after/:afterNoteTreeId', auth.checkApiAuth, async
const noteToMove = await sql.getFirst("SELECT * FROM notes_tree WHERE note_tree_id = ?", [noteTreeId]);
const afterNote = await sql.getFirst("SELECT * FROM notes_tree WHERE note_tree_id = ?", [afterNoteTreeId]);
const existing = await getExistingNoteTree(afterNote.parent_note_id, noteToMove.note_id);
if (existing && !existing.is_deleted && existing.note_tree_id !== noteTreeId) {
return res.send({
success: false,
message: 'This note already exists in target parent note.'
});
}
if (!await checkTreeCycle(afterNote.parent_note_id, noteToMove.note_id)) {
return res.send({
success: false,
@ -118,7 +145,7 @@ router.put('/:childNoteId/clone-to/:parentNoteId', auth.checkApiAuth, async (req
const prefix = req.body.prefix;
const sourceId = req.headers.source_id;
const existing = await sql.getFirst('SELECT * FROM notes_tree WHERE note_id = ? AND parent_note_id = ?', [childNoteId, parentNoteId]);
const existing = await getExistingNoteTree(parentNoteId, childNoteId);
if (existing && !existing.is_deleted) {
return res.send({
@ -170,14 +197,7 @@ router.put('/:noteId/clone-after/:afterNoteTreeId', auth.checkApiAuth, async (re
return res.status(500).send("After note " + afterNoteTreeId + " doesn't exist.");
}
if (!await checkTreeCycle(afterNote.parent_note_id, noteId)) {
return res.send({
success: false,
message: 'Cloning note here would create cycle.'
});
}
const existing = await sql.getFirstValue('SELECT * FROM notes_tree WHERE note_id = ? AND parent_note_id = ?', [noteId, afterNote.parent_note_id]);
const existing = await getExistingNoteTree(afterNote.parent_note_id, noteId);
if (existing && !existing.is_deleted) {
return res.send({
@ -186,6 +206,13 @@ router.put('/:noteId/clone-after/:afterNoteTreeId', auth.checkApiAuth, async (re
});
}
if (!await checkTreeCycle(afterNote.parent_note_id, noteId)) {
return res.send({
success: false,
message: 'Cloning note here would create cycle.'
});
}
await sql.doInTransaction(async () => {
// we don't change date_modified so other changes are prioritized in case of conflict
// also we would have to sync all those modified note trees otherwise hash checks would fail
@ -222,6 +249,10 @@ async function loadSubTreeNoteIds(parentNoteId, subTreeNoteIds) {
}
}
async function getExistingNoteTree(parentNoteId, childNoteId) {
return await sql.getFirst('SELECT * FROM notes_tree WHERE note_id = ? AND parent_note_id = ?', [childNoteId, parentNoteId]);
}
/**
* Tree cycle can be created when cloning or when moving existing clone. This method should detect both cases.
*/