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faster tree loading of many notes at once #1480

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zadam
2020-12-10 21:27:21 +01:00
parent 4633c68a0c
commit 0ac42608f7
5 changed files with 114 additions and 79 deletions
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38
src/public/app/services/tree_cache.js
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@@ -20,9 +20,6 @@ class TreeCache {
async loadInitialTree() {
const resp = await server.get('tree');
// FIXME: we need to do this to cover for ascendants of template notes which are not loaded
await this.loadParents(resp, false);
// clear the cache only directly before adding new content which is important for e.g. switching to protected session
/** @type {Object.<string, NoteShort>} */
@@ -43,45 +40,11 @@ class TreeCache {
async loadSubTree(subTreeNoteId) {
const resp = await server.get('tree?subTreeNoteId=' + subTreeNoteId);
await this.loadParents(resp, true);
this.addResp(resp);
return this.notes[subTreeNoteId];
}
async loadParents(resp, additiveLoad) {
const noteIds = new Set(resp.notes.map(note => note.noteId));
const missingNoteIds = [];
const existingNotes = additiveLoad ? this.notes : {};
for (const branch of resp.branches) {
if (!(branch.parentNoteId in existingNotes) && !noteIds.has(branch.parentNoteId) && branch.parentNoteId !== 'none') {
missingNoteIds.push(branch.parentNoteId);
}
}
for (const attr of resp.attributes) {
if (attr.type === 'relation' && attr.name === 'template' && !(attr.value in existingNotes) && !noteIds.has(attr.value)) {
missingNoteIds.push(attr.value);
}
if (!(attr.noteId in existingNotes) && !noteIds.has(attr.noteId)) {
missingNoteIds.push(attr.noteId);
}
}
if (missingNoteIds.length > 0) {
const newResp = await server.post('tree/load', { noteIds: missingNoteIds });
resp.notes = resp.notes.concat(newResp.notes);
resp.branches = resp.branches.concat(newResp.branches);
resp.attributes = resp.attributes.concat(newResp.attributes);
await this.loadParents(resp, additiveLoad);
}
}
addResp(resp) {
const noteRows = resp.notes;
const branchRows = resp.branches;
@@ -198,7 +161,6 @@ class TreeCache {
const resp = await server.post('tree/load', { noteIds });
await this.loadParents(resp, true);
this.addResp(resp);
for (const note of resp.notes) {