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refactored moving note in the tree

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azivner
2018-03-26 22:11:45 -04:00
parent 68bba623b6
commit 57d19f3302
3 changed files with 53 additions and 31 deletions
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41
src/public/javascripts/services/tree_cache.js
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@@ -65,6 +65,47 @@ class TreeCache {
return branch;
}
/* Move note from one parent to another. */
async moveNote(childNoteId, oldParentNoteId, newParentNoteId) {
utils.assertArguments(childNoteId, oldParentNoteId, newParentNoteId);
if (oldParentNoteId === newParentNoteId) {
return;
}
treeCache.childParentToBranch[childNoteId + '-' + newParentNoteId] = treeCache.childParentToBranch[childNoteId + '-' + oldParentNoteId];
delete treeCache.childParentToBranch[childNoteId + '-' + oldParentNoteId]; // this is correct because we know that oldParentId isn't same as newParentId
// remove old associations
treeCache.parents[childNoteId] = treeCache.parents[childNoteId].filter(p => p.noteId !== oldParentNoteId);
treeCache.children[oldParentNoteId] = treeCache.children[oldParentNoteId].filter(ch => ch.noteId !== childNoteId);
// add new associations
treeCache.parents[childNoteId].push(await treeCache.getNote(newParentNoteId));
treeCache.children[newParentNoteId] = treeCache.children[newParentNoteId] || []; // this might be first child
treeCache.children[newParentNoteId].push(await treeCache.getNote(childNoteId));
}
removeParentChildRelation(parentNoteId, childNoteId) {
utils.assertArguments(parentNoteId, childNoteId);
treeCache.parents[childNoteId] = treeCache.parents[childNoteId].filter(p => p.noteId !== parentNoteId);
treeCache.children[parentNoteId] = treeCache.children[parentNoteId].filter(ch => ch.noteId !== childNoteId);
delete treeCache.childParentToBranch[childNoteId + '-' + parentNoteId];
}
async setParentChildRelation(branchId, parentNoteId, childNoteId) {
treeCache.parents[childNoteId] = treeCache.parents[childNoteId] || [];
treeCache.parents[childNoteId].push(await treeCache.getNote(parentNoteId));
treeCache.children[parentNoteId] = treeCache.children[parentNoteId] || [];
treeCache.children[parentNoteId].push(await treeCache.getNote(childNoteId));
treeCache.childParentToBranch[childNoteId + '-' + parentNoteId] = await treeCache.getBranch(branchId);
}
}
const treeCache = new TreeCache();