2017-10-22 09:10:33 +08:00
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"use strict";
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2017-10-16 07:47:05 +08:00
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const sql = require('../../services/sql');
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2018-04-02 09:27:46 +08:00
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const optionService = require('../../services/options');
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const protectedSessionService = require('../../services/protected_session');
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2018-04-17 08:40:18 +08:00
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async function getNotes(noteIds) {
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const questionMarks = noteIds.map(() => "?").join(",");
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const notes = await sql.getRows(`
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SELECT noteId, title, isProtected, type, mime
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FROM notes WHERE isDeleted = 0 AND noteId IN (${questionMarks})`, noteIds);
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protectedSessionService.decryptNotes(notes);
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notes.forEach(note => note.isProtected = !!note.isProtected);
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return notes;
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}
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2018-04-17 11:13:33 +08:00
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async function getRelations(noteIds) {
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2018-04-17 08:40:18 +08:00
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const questionMarks = noteIds.map(() => "?").join(",");
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2018-04-17 11:34:56 +08:00
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const doubledNoteIds = noteIds.concat(noteIds);
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2018-04-17 08:40:18 +08:00
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return await sql.getRows(`SELECT branchId, noteId AS 'childNoteId', parentNoteId FROM branches WHERE isDeleted = 0
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2018-04-17 11:34:56 +08:00
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AND (parentNoteId IN (${questionMarks}) OR noteId IN (${questionMarks}))`, doubledNoteIds);
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2018-04-17 08:40:18 +08:00
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}
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2017-10-15 11:31:44 +08:00
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2018-04-01 23:05:09 +08:00
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async function getTree() {
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2018-04-17 11:34:56 +08:00
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// we fetch all branches of notes, even if that particular branch isn't visible
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// this allows us to e.g. detect and properly display clones
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2018-03-25 09:39:15 +08:00
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const branches = await sql.getRows(`
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2018-04-17 04:26:47 +08:00
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WITH RECURSIVE
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tree(branchId, noteId, isExpanded) AS (
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SELECT branchId, noteId, isExpanded FROM branches WHERE branchId = 'root'
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UNION ALL
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SELECT branches.branchId, branches.noteId, branches.isExpanded FROM branches
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JOIN tree ON branches.parentNoteId = tree.noteId
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WHERE tree.isExpanded = 1 AND branches.isDeleted = 0
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)
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2018-04-17 11:34:56 +08:00
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SELECT branches.* FROM tree JOIN branches USING(noteId)`);
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2018-04-17 04:26:47 +08:00
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const noteIds = branches.map(b => b.noteId);
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2018-03-25 08:41:27 +08:00
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2018-04-17 08:40:18 +08:00
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const notes = await getNotes(noteIds);
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2018-03-25 08:41:27 +08:00
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2018-04-17 11:13:33 +08:00
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const relations = await getRelations(noteIds);
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2018-04-17 04:26:47 +08:00
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2018-04-17 08:40:18 +08:00
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return {
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startNotePath: await optionService.getOption('startNotePath'),
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branches,
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notes,
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2018-04-17 11:13:33 +08:00
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relations
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2018-04-17 08:40:18 +08:00
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};
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}
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2018-04-17 04:26:47 +08:00
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2018-04-17 08:40:18 +08:00
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async function load(req) {
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let noteIds = req.body.noteIds;
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const branchIds = req.body.branchIds;
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2018-04-17 04:26:47 +08:00
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2018-04-17 08:40:18 +08:00
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if (branchIds && branchIds.length > 0) {
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noteIds = await sql.getColumn(`SELECT noteId FROM branches WHERE isDeleted = 0 AND branchId IN(${branchIds.map(() => "?").join(",")})`, branchIds);
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2018-04-17 04:26:47 +08:00
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}
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2018-02-14 11:30:33 +08:00
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2018-04-17 08:40:18 +08:00
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const questionMarks = noteIds.map(() => "?").join(",");
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const branches = await sql.getRows(`SELECT * FROM branches WHERE isDeleted = 0 AND noteId IN (${questionMarks})`, noteIds);
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const notes = await getNotes(noteIds);
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2018-04-17 11:13:33 +08:00
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const relations = await getRelations(noteIds);
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2018-04-17 08:40:18 +08:00
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2018-03-31 00:57:22 +08:00
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return {
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2018-04-17 08:40:18 +08:00
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branches,
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notes,
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2018-04-17 11:13:33 +08:00
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relations
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2018-03-31 00:57:22 +08:00
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};
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}
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2017-10-15 11:31:44 +08:00
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2018-03-31 00:57:22 +08:00
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module.exports = {
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2018-04-17 08:40:18 +08:00
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getTree,
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load
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2018-03-31 00:57:22 +08:00
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};
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