trilium/src/services/notes.js
2018-03-24 22:02:26 -04:00

348 lines
11 KiB
JavaScript

const sql = require('./sql');
const options = require('./options');
const utils = require('./utils');
const sync_table = require('./sync_table');
const labels = require('./labels');
const protected_session = require('./protected_session');
async function createNewNote(parentNoteId, noteOpts, dataKey, sourceId) {
const noteId = utils.newNoteId();
const branchId = utils.newBranchId();
let newNotePos = 0;
if (noteOpts.target === 'into') {
const maxNotePos = await sql.getValue('SELECT MAX(notePosition) FROM branches WHERE parentNoteId = ? AND isDeleted = 0', [parentNoteId]);
newNotePos = maxNotePos === null ? 0 : maxNotePos + 1;
}
else if (noteOpts.target === 'after') {
const afterNote = await sql.getRow('SELECT notePosition FROM branches WHERE branchId = ?', [noteOpts.target_branchId]);
newNotePos = afterNote.notePosition + 1;
// not updating dateModified to avoig having to sync whole rows
await sql.execute('UPDATE branches SET notePosition = notePosition + 1 WHERE parentNoteId = ? AND notePosition > ? AND isDeleted = 0',
[parentNoteId, afterNote.notePosition]);
await sync_table.addNoteReorderingSync(parentNoteId, sourceId);
}
else {
throw new Error('Unknown target: ' + noteOpts.target);
}
if (parentNoteId !== 'root') {
const parent = await sql.getRow("SELECT * FROM notes WHERE noteId = ?", [parentNoteId]);
if (!noteOpts.type) {
noteOpts.type = parent.type;
}
if (!noteOpts.mime) {
noteOpts.mime = parent.mime;
}
}
const now = utils.nowDate();
const note = {
noteId: noteId,
title: noteOpts.title,
content: noteOpts.content ? noteOpts.content : '',
isProtected: noteOpts.isProtected,
type: noteOpts.type ? noteOpts.type : 'text',
mime: noteOpts.mime ? noteOpts.mime : 'text/html',
dateCreated: now,
dateModified: now
};
if (note.isProtected) {
protected_session.encryptNote(dataKey, note);
}
await sql.insert("notes", note);
await sync_table.addNoteSync(noteId, sourceId);
await sql.insert("branches", {
branchId: branchId,
noteId: noteId,
parentNoteId: parentNoteId,
notePosition: newNotePos,
isExpanded: 0,
dateModified: now,
isDeleted: 0
});
await sync_table.addBranchSync(branchId, sourceId);
return {
noteId,
branchId,
note
};
}
async function createNote(parentNoteId, title, content = "", extraOptions = {}) {
if (!parentNoteId) throw new Error("Empty parentNoteId");
if (!title) throw new Error("Empty title");
const note = {
title: title,
content: extraOptions.json ? JSON.stringify(content, null, '\t') : content,
target: 'into',
isProtected: extraOptions.isProtected !== undefined ? extraOptions.isProtected : false,
type: extraOptions.type,
mime: extraOptions.mime
};
if (extraOptions.json && !note.type) {
note.type = "code";
note.mime = "application/json";
}
if (!note.type) {
note.type = "text";
note.mime = "text/html";
}
const {noteId} = await createNewNote(parentNoteId, note, extraOptions.dataKey, extraOptions.sourceId);
if (extraOptions.labels) {
for (const attrName in extraOptions.labels) {
await labels.createLabel(noteId, attrName, extraOptions.labels[attrName]);
}
}
return noteId;
}
async function protectNoteRecursively(noteId, dataKey, protect, sourceId) {
const note = await sql.getRow("SELECT * FROM notes WHERE noteId = ?", [noteId]);
await protectNote(note, dataKey, protect, sourceId);
const children = await sql.getColumn("SELECT noteId FROM branches WHERE parentNoteId = ? AND isDeleted = 0", [noteId]);
for (const childNoteId of children) {
await protectNoteRecursively(childNoteId, dataKey, protect, sourceId);
}
}
async function protectNote(note, dataKey, protect, sourceId) {
let changed = false;
if (protect && !note.isProtected) {
protected_session.encryptNote(dataKey, note);
note.isProtected = true;
changed = true;
}
else if (!protect && note.isProtected) {
protected_session.decryptNote(dataKey, note);
note.isProtected = false;
changed = true;
}
if (changed) {
await sql.execute("UPDATE notes SET title = ?, content = ?, isProtected = ? WHERE noteId = ?",
[note.title, note.content, note.isProtected, note.noteId]);
await sync_table.addNoteSync(note.noteId, sourceId);
}
await protectNoteHistory(note.noteId, dataKey, protect, sourceId);
}
async function protectNoteHistory(noteId, dataKey, protect, sourceId) {
const historyToChange = await sql.getRows("SELECT * FROM note_revisions WHERE noteId = ? AND isProtected != ?", [noteId, protect]);
for (const history of historyToChange) {
if (protect) {
protected_session.encryptNoteHistoryRow(dataKey, history);
history.isProtected = true;
}
else {
protected_session.decryptNoteHistoryRow(dataKey, history);
history.isProtected = false;
}
await sql.execute("UPDATE note_revisions SET title = ?, content = ?, isProtected = ? WHERE noteRevisionId = ?",
[history.title, history.content, history.isProtected, history.noteRevisionId]);
await sync_table.addNoteHistorySync(history.noteRevisionId, sourceId);
}
}
async function saveNoteHistory(noteId, dataKey, sourceId, nowStr) {
const oldNote = await sql.getRow("SELECT * FROM notes WHERE noteId = ?", [noteId]);
if (oldNote.type === 'file') {
return;
}
if (oldNote.isProtected) {
protected_session.decryptNote(dataKey, oldNote);
oldNote.isProtected = false;
}
const newNoteRevisionId = utils.newNoteRevisionId();
await sql.insert('note_revisions', {
noteRevisionId: newNoteRevisionId,
noteId: noteId,
// title and text should be decrypted now
title: oldNote.title,
content: oldNote.content,
isProtected: 0, // will be fixed in the protectNoteHistory() call
dateModifiedFrom: oldNote.dateModified,
dateModifiedTo: nowStr
});
await sync_table.addNoteHistorySync(newNoteRevisionId, sourceId);
}
async function saveNoteImages(noteId, noteText, sourceId) {
const existingNoteImages = await sql.getRows("SELECT * FROM note_images WHERE noteId = ?", [noteId]);
const foundImageIds = [];
const now = utils.nowDate();
const re = /src="\/api\/images\/([a-zA-Z0-9]+)\//g;
let match;
while (match = re.exec(noteText)) {
const imageId = match[1];
const existingNoteImage = existingNoteImages.find(ni => ni.imageId === imageId);
if (!existingNoteImage) {
const noteImageId = utils.newNoteImageId();
await sql.insert("note_images", {
noteImageId: noteImageId,
noteId: noteId,
imageId: imageId,
isDeleted: 0,
dateModified: now,
dateCreated: now
});
await sync_table.addNoteImageSync(noteImageId, sourceId);
}
else if (existingNoteImage.isDeleted) {
await sql.execute("UPDATE note_images SET isDeleted = 0, dateModified = ? WHERE noteImageId = ?",
[now, existingNoteImage.noteImageId]);
await sync_table.addNoteImageSync(existingNoteImage.noteImageId, sourceId);
}
// else we don't need to do anything
foundImageIds.push(imageId);
}
// marking note images as deleted if they are not present on the page anymore
const unusedNoteImages = existingNoteImages.filter(ni => !foundImageIds.includes(ni.imageId));
for (const unusedNoteImage of unusedNoteImages) {
await sql.execute("UPDATE note_images SET isDeleted = 1, dateModified = ? WHERE noteImageId = ?",
[now, unusedNoteImage.noteImageId]);
await sync_table.addNoteImageSync(unusedNoteImage.noteImageId, sourceId);
}
}
async function loadFile(noteId, newNote, dataKey) {
const oldNote = await sql.getRow("SELECT * FROM notes WHERE noteId = ?", [noteId]);
if (oldNote.isProtected) {
await protected_session.decryptNote(dataKey, oldNote);
}
newNote.detail.content = oldNote.content;
}
async function updateNote(noteId, newNote, dataKey, sourceId) {
if (newNote.detail.type === 'file') {
await loadFile(noteId, newNote, dataKey);
}
if (newNote.detail.isProtected) {
await protected_session.encryptNote(dataKey, newNote.detail);
}
const labelsMap = await labels.getNoteLabelMap(noteId);
const now = new Date();
const nowStr = utils.nowDate();
const historySnapshotTimeInterval = parseInt(await options.getOption('history_snapshot_time_interval'));
const historyCutoff = utils.dateStr(new Date(now.getTime() - historySnapshotTimeInterval * 1000));
const existingnoteRevisionId = await sql.getValue(
"SELECT noteRevisionId FROM note_revisions WHERE noteId = ? AND dateModifiedTo >= ?", [noteId, historyCutoff]);
await sql.doInTransaction(async () => {
const msSinceDateCreated = now.getTime() - utils.parseDateTime(newNote.detail.dateCreated).getTime();
if (labelsMap.disable_versioning !== 'true'
&& !existingnoteRevisionId
&& msSinceDateCreated >= historySnapshotTimeInterval * 1000) {
await saveNoteHistory(noteId, dataKey, sourceId, nowStr);
}
await saveNoteImages(noteId, newNote.detail.content, sourceId);
await protectNoteHistory(noteId, dataKey, newNote.detail.isProtected);
await sql.execute("UPDATE notes SET title = ?, content = ?, isProtected = ?, dateModified = ? WHERE noteId = ?", [
newNote.detail.title,
newNote.detail.content,
newNote.detail.isProtected,
nowStr,
noteId]);
await sync_table.addNoteSync(noteId, sourceId);
});
}
async function deleteNote(branchId, sourceId) {
const branch = await sql.getRowOrNull("SELECT * FROM branches WHERE branchId = ?", [branchId]);
if (!branch || branch.isDeleted === 1) {
return;
}
const now = utils.nowDate();
await sql.execute("UPDATE branches SET isDeleted = 1, dateModified = ? WHERE branchId = ?", [now, branchId]);
await sync_table.addBranchSync(branchId, sourceId);
const noteId = await sql.getValue("SELECT noteId FROM branches WHERE branchId = ?", [branchId]);
const notDeletedBranchsCount = await sql.getValue("SELECT COUNT(*) FROM branches WHERE noteId = ? AND isDeleted = 0", [noteId]);
if (!notDeletedBranchsCount) {
await sql.execute("UPDATE notes SET isDeleted = 1, dateModified = ? WHERE noteId = ?", [now, noteId]);
await sync_table.addNoteSync(noteId, sourceId);
const children = await sql.getRows("SELECT branchId FROM branches WHERE parentNoteId = ? AND isDeleted = 0", [noteId]);
for (const child of children) {
await deleteNote(child.branchId, sourceId);
}
}
}
module.exports = {
createNewNote,
createNote,
updateNote,
deleteNote,
protectNoteRecursively
};