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initializing note tree synchronously

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zadam
2020-08-26 16:50:16 +02:00
parent 87161cfe0d
commit 6aa61ca306
6 changed files with 87 additions and 76 deletions
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33
src/routes/api/tree.js
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@@ -50,23 +50,30 @@ function getNotesAndBranchesAndAttributes(noteIds) {
};
}
function getTree() {
const hoistedNoteId = optionService.getOption('hoistedNoteId');
function getTree(req) {
const subTreeNoteId = req.query.subTreeNoteId || optionService.getOption('hoistedNoteId');
// we fetch all branches of notes, even if that particular branch isn't visible
// this allows us to e.g. detect and properly display clones
const noteIds = sql.getColumn(`
WITH RECURSIVE
tree(branchId, noteId, isExpanded) AS (
SELECT branchId, noteId, isExpanded FROM branches WHERE noteId = ?
UNION ALL
SELECT branches.branchId, branches.noteId, branches.isExpanded FROM branches
JOIN tree ON branches.parentNoteId = tree.noteId
WHERE tree.isExpanded = 1 AND branches.isDeleted = 0
)
SELECT noteId FROM tree`, [hoistedNoteId]);
treeWithDescendants(noteId, isExpanded) AS (
SELECT noteId, 1 FROM branches WHERE parentNoteId = ? AND isDeleted = 0
UNION
SELECT branches.noteId, branches.isExpanded FROM branches
JOIN treeWithDescendants ON branches.parentNoteId = treeWithDescendants.noteId
WHERE treeWithDescendants.isExpanded = 1
AND branches.isDeleted = 0
),
treeWithDescendantsAndAscendants AS (
SELECT noteId FROM treeWithDescendants
UNION
SELECT branches.parentNoteId FROM branches
JOIN treeWithDescendantsAndAscendants ON branches.noteId = treeWithDescendantsAndAscendants.noteId
WHERE branches.isDeleted = 0
AND branches.parentNoteId != ?
)
SELECT noteId FROM treeWithDescendantsAndAscendants`, [subTreeNoteId, subTreeNoteId]);
noteIds.push('root');
noteIds.push(subTreeNoteId);
return getNotesAndBranchesAndAttributes(noteIds);
}