trilium/src/services/notes.js

928 lines
30 KiB
JavaScript

const sql = require('./sql');
const sqlInit = require('./sql_init');
const optionService = require('./options');
const dateUtils = require('./date_utils');
const entityChangesService = require('./entity_changes');
const eventService = require('./events');
const cls = require('../services/cls');
const protectedSessionService = require('../services/protected_session');
const log = require('../services/log');
const utils = require('../services/utils');
const noteRevisionService = require('../services/note_revisions');
const attributeService = require('../services/attributes');
const request = require('./request');
const path = require('path');
const url = require('url');
const becca = require('../becca/becca');
const Branch = require('../becca/entities/branch');
const Note = require('../becca/entities/note');
const Attribute = require('../becca/entities/attribute');
function getNewNotePosition(parentNoteId) {
const note = becca.notes[parentNoteId];
if (!note) {
throw new Error(`Can't find note ${parentNoteId}`);
}
const maxNotePos = note.getChildBranches()
.reduce((max, note) => Math.max(max, note.notePosition), 0);
return maxNotePos + 10;
}
function triggerChildNoteCreated(childNote, parentNote) {
eventService.emit(eventService.CHILD_NOTE_CREATED, { childNote, parentNote });
}
function triggerNoteTitleChanged(note) {
eventService.emit(eventService.NOTE_TITLE_CHANGED, note);
}
function deriveMime(type, mime) {
if (!type) {
throw new Error(`Note type is a required param`);
}
if (mime) {
return mime;
}
if (type === 'text') {
mime = 'text/html';
} else if (type === 'code' || type === 'mermaid') {
mime = 'text/plain';
} else if (['relation-map', 'search'].includes(type)) {
mime = 'application/json';
} else if (['render', 'book'].includes(type)) {
mime = '';
} else {
mime = 'application/octet-stream';
}
return mime;
}
function copyChildAttributes(parentNote, childNote) {
for (const attr of parentNote.getAttributes()) {
if (attr.name.startsWith("child:")) {
new Attribute({
noteId: childNote.noteId,
type: attr.type,
name: attr.name.substr(6),
value: attr.value,
position: attr.position,
isInheritable: attr.isInheritable
}).save();
}
}
}
/**
* Following object properties are mandatory:
* - {string} parentNoteId
* - {string} title
* - {*} content
* - {string} type - text, code, file, image, search, book, relation-map, render
*
* Following are optional (have defaults)
* - {string} mime - value is derived from default mimes for type
* - {boolean} isProtected - default is false
* - {boolean} isExpanded - default is false
* - {string} prefix - default is empty string
* - {integer} notePosition - default is last existing notePosition in a parent + 10
*
* @param params
* @return {{note: Note, branch: Branch}}
*/
function createNewNote(params) {
const parentNote = becca.notes[params.parentNoteId];
if (!parentNote) {
throw new Error(`Parent note "${params.parentNoteId}" not found.`);
}
if (!params.title || params.title.trim().length === 0) {
throw new Error(`Note title must not be empty`);
}
return sql.transactional(() => {
const note = new Note({
noteId: params.noteId, // optionally can force specific noteId
title: params.title,
isProtected: !!params.isProtected,
type: params.type,
mime: deriveMime(params.type, params.mime)
}).save();
note.setContent(params.content);
const branch = new Branch({
branchId: params.branchId,
noteId: note.noteId,
parentNoteId: params.parentNoteId,
notePosition: params.notePosition !== undefined ? params.notePosition : getNewNotePosition(params.parentNoteId),
prefix: params.prefix,
isExpanded: !!params.isExpanded
}).save();
scanForLinks(note);
copyChildAttributes(parentNote, note);
triggerNoteTitleChanged(note);
triggerChildNoteCreated(note, parentNote);
return {
note,
branch
};
});
}
function createNewNoteWithTarget(target, targetBranchId, params) {
if (!params.type) {
const parentNote = becca.notes[params.parentNoteId];
// code note type can be inherited, otherwise text is default
params.type = parentNote.type === 'code' ? 'code' : 'text';
params.mime = parentNote.type === 'code' ? parentNote.mime : 'text/html';
}
if (target === 'into') {
return createNewNote(params);
}
else if (target === 'after') {
const afterBranch = becca.branches[targetBranchId];
// not updating utcDateModified to avoid having to sync whole rows
sql.execute('UPDATE branches SET notePosition = notePosition + 10 WHERE parentNoteId = ? AND notePosition > ? AND isDeleted = 0',
[params.parentNoteId, afterBranch.notePosition]);
params.notePosition = afterBranch.notePosition + 10;
const retObject = createNewNote(params);
entityChangesService.addNoteReorderingEntityChange(params.parentNoteId);
return retObject;
}
else {
throw new Error(`Unknown target ${target}`);
}
}
function protectNoteRecursively(note, protect, includingSubTree, taskContext) {
protectNote(note, protect);
taskContext.increaseProgressCount();
if (includingSubTree) {
for (const child of note.getChildNotes()) {
protectNoteRecursively(child, protect, includingSubTree, taskContext);
}
}
}
function protectNote(note, protect) {
try {
if (protect !== note.isProtected) {
const content = note.getContent();
note.isProtected = protect;
// this will force de/encryption
note.setContent(content);
note.save();
}
noteRevisionService.protectNoteRevisions(note);
}
catch (e) {
log.error("Could not un/protect note ID = " + note.noteId);
throw e;
}
}
function findImageLinks(content, foundLinks) {
const re = /src="[^"]*api\/images\/([a-zA-Z0-9]+)\//g;
let match;
while (match = re.exec(content)) {
foundLinks.push({
name: 'imageLink',
value: match[1]
});
}
// removing absolute references to server to keep it working between instances
// we also omit / at the beginning to keep the paths relative
return content.replace(/src="[^"]*\/api\/images\//g, 'src="api/images/');
}
function findInternalLinks(content, foundLinks) {
const re = /href="[^"]*#root[a-zA-Z0-9\/]*\/([a-zA-Z0-9]+)\/?"/g;
let match;
while (match = re.exec(content)) {
foundLinks.push({
name: 'internalLink',
value: match[1]
});
}
// removing absolute references to server to keep it working between instances
return content.replace(/href="[^"]*#root/g, 'href="#root');
}
function findIncludeNoteLinks(content, foundLinks) {
const re = /<section class="include-note[^>]+data-note-id="([a-zA-Z0-9]+)"[^>]*>/g;
let match;
while (match = re.exec(content)) {
foundLinks.push({
name: 'includeNoteLink',
value: match[1]
});
}
return content;
}
function findRelationMapLinks(content, foundLinks) {
const obj = JSON.parse(content);
for (const note of obj.notes) {
foundLinks.push({
name: 'relationMapLink',
value: note.noteId
});
}
}
const imageUrlToNoteIdMapping = {};
async function downloadImage(noteId, imageUrl) {
try {
const imageBuffer = await request.getImage(imageUrl);
const parsedUrl = url.parse(imageUrl);
const title = path.basename(parsedUrl.pathname);
const imageService = require('../services/image');
const {note} = imageService.saveImage(noteId, imageBuffer, title, true, true);
note.addLabel('imageUrl', imageUrl);
imageUrlToNoteIdMapping[imageUrl] = note.noteId;
log.info(`Download of ${imageUrl} succeeded and was saved as image note ${note.noteId}`);
}
catch (e) {
log.error(`Download of ${imageUrl} for note ${noteId} failed with error: ${e.message} ${e.stack}`);
}
}
/** url => download promise */
const downloadImagePromises = {};
function replaceUrl(content, url, imageNote) {
const quotedUrl = utils.quoteRegex(url);
return content.replace(new RegExp(`\\s+src=[\"']${quotedUrl}[\"']`, "ig"), ` src="api/images/${imageNote.noteId}/${imageNote.title}"`);
}
function downloadImages(noteId, content) {
const imageRe = /<img[^>]*?\ssrc=['"]([^'">]+)['"]/ig;
let imageMatch;
while (imageMatch = imageRe.exec(content)) {
const url = imageMatch[1];
const inlineImageMatch = /^data:image\/[a-z]+;base64,/.exec(url);
if (inlineImageMatch) {
const imageBase64 = url.substr(inlineImageMatch[0].length);
const imageBuffer = Buffer.from(imageBase64, 'base64');
const imageService = require('../services/image');
const {note} = imageService.saveImage(noteId, imageBuffer, "inline image", true, true);
content = content.substr(0, imageMatch.index)
+ `<img src="api/images/${note.noteId}/${note.title}"`
+ content.substr(imageMatch.index + imageMatch[0].length);
}
else if (!url.includes('api/images/')
// this is an exception for the web clipper's "imageId"
&& (url.length !== 20 || url.toLowerCase().startsWith('http'))) {
if (url in imageUrlToNoteIdMapping) {
const imageNote = becca.getNote(imageUrlToNoteIdMapping[url]);
if (!imageNote || imageNote.isDeleted) {
delete imageUrlToNoteIdMapping[url];
}
else {
content = replaceUrl(content, url, imageNote);
continue;
}
}
const existingImage = (attributeService.getNotesWithLabel('imageUrl', url))
.find(note => note.type === 'image');
if (existingImage) {
imageUrlToNoteIdMapping[url] = existingImage.noteId;
content = replaceUrl(content, url, existingImage);
continue;
}
if (url in downloadImagePromises) {
// download is already in progress
continue;
}
// this is done asynchronously, it would be too slow to wait for the download
// given that save can be triggered very often
downloadImagePromises[url] = downloadImage(noteId, url);
}
}
Promise.all(Object.values(downloadImagePromises)).then(() => {
setTimeout(() => {
// the normal expected flow of the offline image saving is that users will paste the image(s)
// which will get asynchronously downloaded, during that time they keep editing the note
// once the download is finished, the image note representing downloaded image will be used
// to replace the IMG link.
// However there's another flow where user pastes the image and leaves the note before the images
// are downloaded and the IMG references are not updated. For this occassion we have this code
// which upon the download of all the images will update the note if the links have not been fixed before
sql.transactional(() => {
const imageNotes = becca.getNotes(Object.values(imageUrlToNoteIdMapping));
const origNote = becca.getNote(noteId);
if (!origNote) {
log.error(`Cannot find note ${noteId} to replace image link.`);
return;
}
const origContent = origNote.getContent();
let updatedContent = origContent;
for (const url in imageUrlToNoteIdMapping) {
const imageNote = imageNotes.find(note => note.noteId === imageUrlToNoteIdMapping[url]);
if (imageNote && !imageNote.isDeleted) {
updatedContent = replaceUrl(updatedContent, url, imageNote);
}
}
// update only if the links have not been already fixed.
if (updatedContent !== origContent) {
origNote.setContent(updatedContent);
scanForLinks(origNote);
console.log(`Fixed the image links for note ${noteId} to the offline saved.`);
}
});
}, 5000);
});
return content;
}
function saveLinks(note, content) {
if (note.type !== 'text' && note.type !== 'relation-map') {
return content;
}
if (note.isProtected && !protectedSessionService.isProtectedSessionAvailable()) {
return content;
}
const foundLinks = [];
if (note.type === 'text') {
content = downloadImages(note.noteId, content);
content = findImageLinks(content, foundLinks);
content = findInternalLinks(content, foundLinks);
content = findIncludeNoteLinks(content, foundLinks);
}
else if (note.type === 'relation-map') {
findRelationMapLinks(content, foundLinks);
}
else {
throw new Error("Unrecognized type " + note.type);
}
const existingLinks = note.getRelations().filter(rel =>
['internalLink', 'imageLink', 'relationMapLink', 'includeNoteLink'].includes(rel.name));
for (const foundLink of foundLinks) {
const targetNote = becca.notes[foundLink.value];
if (!targetNote) {
continue;
}
const existingLink = existingLinks.find(existingLink =>
existingLink.value === foundLink.value
&& existingLink.name === foundLink.name);
if (!existingLink) {
const newLink = new Attribute({
noteId: note.noteId,
type: 'relation',
name: foundLink.name,
value: foundLink.value,
}).save();
existingLinks.push(newLink);
}
// else the link exists so we don't need to do anything
}
// marking links as deleted if they are not present on the page anymore
const unusedLinks = existingLinks.filter(existingLink => !foundLinks.some(foundLink =>
existingLink.value === foundLink.value
&& existingLink.name === foundLink.name));
for (const unusedLink of unusedLinks) {
unusedLink.markAsDeleted();
}
return content;
}
function saveNoteRevision(note) {
// files and images are versioned separately
if (note.type === 'file' || note.type === 'image' || note.hasLabel('disableVersioning')) {
return;
}
const now = new Date();
const noteRevisionSnapshotTimeInterval = parseInt(optionService.getOption('noteRevisionSnapshotTimeInterval'));
const revisionCutoff = dateUtils.utcDateTimeStr(new Date(now.getTime() - noteRevisionSnapshotTimeInterval * 1000));
const existingNoteRevisionId = sql.getValue(
"SELECT noteRevisionId FROM note_revisions WHERE noteId = ? AND utcDateCreated >= ?", [note.noteId, revisionCutoff]);
const msSinceDateCreated = now.getTime() - dateUtils.parseDateTime(note.utcDateCreated).getTime();
if (!existingNoteRevisionId && msSinceDateCreated >= noteRevisionSnapshotTimeInterval * 1000) {
noteRevisionService.createNoteRevision(note);
}
}
function updateNote(noteId, noteUpdates) {
const note = becca.getNote(noteId);
if (!note.isContentAvailable()) {
throw new Error(`Note ${noteId} is not available for change!`);
}
saveNoteRevision(note);
// if protected status changed, then we need to encrypt/decrypt the content anyway
if (['file', 'image'].includes(note.type) && note.isProtected !== noteUpdates.isProtected) {
noteUpdates.content = note.getContent();
}
const noteTitleChanged = note.title !== noteUpdates.title;
note.title = noteUpdates.title;
note.isProtected = noteUpdates.isProtected;
note.save();
if (noteUpdates.content !== undefined && noteUpdates.content !== null) {
noteUpdates.content = saveLinks(note, noteUpdates.content);
note.setContent(noteUpdates.content);
}
if (noteTitleChanged) {
triggerNoteTitleChanged(note);
}
noteRevisionService.protectNoteRevisions(note);
return {
dateModified: note.dateModified,
utcDateModified: note.utcDateModified
};
}
/**
* @param {Branch} branch
* @param {string} deleteId
* @param {TaskContext} taskContext
*
* @return {boolean} - true if note has been deleted, false otherwise
*/
function deleteBranch(branch, deleteId, taskContext) {
taskContext.increaseProgressCount();
if (!branch) {
return false;
}
if (branch.branchId === 'root'
|| branch.noteId === 'root'
|| branch.noteId === cls.getHoistedNoteId()) {
throw new Error("Can't delete root or hoisted branch/note");
}
branch.markAsDeleted(deleteId);
const note = branch.getNote();
const notDeletedBranches = note.getParentBranches();
if (notDeletedBranches.length === 0) {
for (const childBranch of note.getChildBranches()) {
deleteBranch(childBranch, deleteId, taskContext);
}
// first delete children and then parent - this will show up better in recent changes
log.info("Deleting note " + note.noteId);
for (const attribute of note.getOwnedAttributes()) {
attribute.markAsDeleted(deleteId);
}
for (const relation of note.getTargetRelations()) {
relation.markAsDeleted(deleteId);
}
note.markAsDeleted(deleteId);
return true;
}
else {
return false;
}
}
/**
* @param {string} noteId
* @param {TaskContext} taskContext
*/
function undeleteNote(noteId, taskContext) {
const note = sql.getRow("SELECT * FROM notes WHERE noteId = ?", [noteId]);
if (!note.isDeleted) {
log.error(`Note ${noteId} is not deleted and thus cannot be undeleted.`);
return;
}
const undeletedParentBranchIds = getUndeletedParentBranchIds(noteId, note.deleteId);
if (undeletedParentBranchIds.length === 0) {
// cannot undelete if there's no undeleted parent
return;
}
for (const parentBranchId of undeletedParentBranchIds) {
undeleteBranch(parentBranchId, note.deleteId, taskContext);
}
}
/**
* @param {string} branchId
* @param {string} deleteId
* @param {TaskContext} taskContext
*/
function undeleteBranch(branchId, deleteId, taskContext) {
const branch = sql.getRow("SELECT * FROM branches WHERE branchId = ?", [branchId])
if (!branch.isDeleted) {
return;
}
const note = sql.getRow("SELECT * FROM notes WHERE noteId = ?", [branch.noteId]);
if (note.isDeleted && note.deleteId !== deleteId) {
return;
}
new Branch(branch).save();
taskContext.increaseProgressCount();
if (note.isDeleted && note.deleteId === deleteId) {
new Note(note).save();
const attributes = sql.getRows(`
SELECT * FROM attributes
WHERE isDeleted = 1
AND deleteId = ?
AND (noteId = ?
OR (type = 'relation' AND value = ?))`, [deleteId, note.noteId, note.noteId]);
for (const attribute of attributes) {
new Attribute(attribute).save();
}
const childBranchIds = sql.getColumn(`
SELECT branches.branchId
FROM branches
WHERE branches.isDeleted = 1
AND branches.deleteId = ?
AND branches.parentNoteId = ?`, [deleteId, note.noteId]);
for (const childBranchId of childBranchIds) {
undeleteBranch(childBranchId, deleteId, taskContext);
}
}
}
/**
* @return return deleted branchIds of an undeleted parent note
*/
function getUndeletedParentBranchIds(noteId, deleteId) {
return sql.getColumn(`
SELECT branches.branchId
FROM branches
JOIN notes AS parentNote ON parentNote.noteId = branches.parentNoteId
WHERE branches.noteId = ?
AND branches.isDeleted = 1
AND branches.deleteId = ?
AND parentNote.isDeleted = 0`, [noteId, deleteId]);
}
function scanForLinks(note) {
if (!note || !['text', 'relation-map'].includes(note.type)) {
return;
}
try {
const content = note.getContent();
const newContent = saveLinks(note, content);
if (content !== newContent) {
note.setContent(newContent);
}
}
catch (e) {
log.error(`Could not scan for links note ${note.noteId}: ${e.message} ${e.stack}`);
}
}
function eraseNotes(noteIdsToErase) {
if (noteIdsToErase.length === 0) {
return;
}
sql.executeMany(`DELETE FROM notes WHERE noteId IN (???)`, noteIdsToErase);
setEntityChangesAsErased(sql.getManyRows(`SELECT * FROM entity_changes WHERE entityName = 'notes' AND entityId IN (???)`, noteIdsToErase));
sql.executeMany(`DELETE FROM note_contents WHERE noteId IN (???)`, noteIdsToErase);
setEntityChangesAsErased(sql.getManyRows(`SELECT * FROM entity_changes WHERE entityName = 'note_contents' AND entityId IN (???)`, noteIdsToErase));
// we also need to erase all "dependent" entities of the erased notes
const branchIdsToErase = sql.getManyRows(`SELECT branchId FROM branches WHERE noteId IN (???)`, noteIdsToErase)
.map(row => row.branchId);
eraseBranches(branchIdsToErase);
const attributeIdsToErase = sql.getManyRows(`SELECT attributeId FROM attributes WHERE noteId IN (???)`, noteIdsToErase)
.map(row => row.attributeId);
eraseAttributes(attributeIdsToErase);
const noteRevisionIdsToErase = sql.getManyRows(`SELECT noteRevisionId FROM note_revisions WHERE noteId IN (???)`, noteIdsToErase)
.map(row => row.noteRevisionId);
noteRevisionService.eraseNoteRevisions(noteRevisionIdsToErase);
log.info(`Erased notes: ${JSON.stringify(noteIdsToErase)}`);
}
function setEntityChangesAsErased(entityChanges) {
for (const ec of entityChanges) {
ec.isErased = true;
entityChangesService.addEntityChange(ec);
}
}
function eraseBranches(branchIdsToErase) {
if (branchIdsToErase.length === 0) {
return;
}
sql.executeMany(`DELETE FROM branches WHERE branchId IN (???)`, branchIdsToErase);
setEntityChangesAsErased(sql.getManyRows(`SELECT * FROM entity_changes WHERE entityName = 'branches' AND entityId IN (???)`, branchIdsToErase));
}
function eraseAttributes(attributeIdsToErase) {
if (attributeIdsToErase.length === 0) {
return;
}
sql.executeMany(`DELETE FROM attributes WHERE attributeId IN (???)`, attributeIdsToErase);
setEntityChangesAsErased(sql.getManyRows(`SELECT * FROM entity_changes WHERE entityName = 'attributes' AND entityId IN (???)`, attributeIdsToErase));
}
function eraseDeletedEntities(eraseEntitiesAfterTimeInSeconds = null) {
// this is important also so that the erased entity changes are sent to the connected clients
sql.transactional(() => {
if (eraseEntitiesAfterTimeInSeconds === null) {
eraseEntitiesAfterTimeInSeconds = optionService.getOptionInt('eraseEntitiesAfterTimeInSeconds');
}
const cutoffDate = new Date(Date.now() - eraseEntitiesAfterTimeInSeconds * 1000);
const noteIdsToErase = sql.getColumn("SELECT noteId FROM notes WHERE isDeleted = 1 AND utcDateModified <= ?", [dateUtils.utcDateTimeStr(cutoffDate)]);
eraseNotes(noteIdsToErase);
const branchIdsToErase = sql.getColumn("SELECT branchId FROM branches WHERE isDeleted = 1 AND utcDateModified <= ?", [dateUtils.utcDateTimeStr(cutoffDate)]);
eraseBranches(branchIdsToErase);
const attributeIdsToErase = sql.getColumn("SELECT attributeId FROM attributes WHERE isDeleted = 1 AND utcDateModified <= ?", [dateUtils.utcDateTimeStr(cutoffDate)]);
eraseAttributes(attributeIdsToErase);
});
}
function eraseNotesWithDeleteId(deleteId) {
const noteIdsToErase = sql.getColumn("SELECT noteId FROM notes WHERE deleteId = ?", [deleteId]);
eraseNotes(noteIdsToErase);
const branchIdsToErase = sql.getColumn("SELECT branchId FROM branches WHERE deleteId = ?", [deleteId]);
eraseBranches(branchIdsToErase);
const attributeIdsToErase = sql.getColumn("SELECT attributeId FROM attributes WHERE deleteId = ?", [deleteId]);
eraseAttributes(attributeIdsToErase);
}
function eraseDeletedNotesNow() {
eraseDeletedEntities(0);
}
// do a replace in str - all keys should be replaced by the corresponding values
function replaceByMap(str, mapObj) {
const re = new RegExp(Object.keys(mapObj).join("|"),"g");
return str.replace(re, matched => mapObj[matched]);
}
function duplicateSubtree(origNoteId, newParentNoteId) {
if (origNoteId === 'root') {
throw new Error('Duplicating root is not possible');
}
log.info(`Duplicating ${origNoteId} subtree into ${newParentNoteId}`);
const origNote = becca.notes[origNoteId];
// might be null if orig note is not in the target newParentNoteId
const origBranch = origNote.getParentBranches().find(branch => branch.parentNoteId === newParentNoteId);
const noteIdMapping = getNoteIdMapping(origNote);
const res = duplicateSubtreeInner(origNote, origBranch, newParentNoteId, noteIdMapping);
if (!res.note.title.endsWith('(dup)')) {
res.note.title += " (dup)";
}
res.note.save();
return res;
}
function duplicateSubtreeWithoutRoot(origNoteId, newNoteId) {
if (origNoteId === 'root') {
throw new Error('Duplicating root is not possible');
}
const origNote = becca.getNote(origNoteId);
const noteIdMapping = getNoteIdMapping(origNote);
for (const childBranch of origNote.getChildBranches()) {
duplicateSubtreeInner(childBranch.getNote(), childBranch, newNoteId, noteIdMapping);
}
}
function duplicateSubtreeInner(origNote, origBranch, newParentNoteId, noteIdMapping) {
if (origNote.isProtected && !protectedSessionService.isProtectedSessionAvailable()) {
throw new Error(`Cannot duplicate note=${origNote.noteId} because it is protected and protected session is not available. Enter protected session and try again.`);
}
const newNoteId = noteIdMapping[origNote.noteId];
function createDuplicatedBranch() {
return new Branch({
noteId: newNoteId,
parentNoteId: newParentNoteId,
// here increasing just by 1 to make sure it's directly after original
notePosition: origBranch ? origBranch.notePosition + 1 : null
}).save();
}
function createDuplicatedNote() {
const newNote = new Note({
...origNote,
noteId: newNoteId,
dateCreated: dateUtils.localNowDateTime(),
utcDateCreated: dateUtils.utcNowDateTime()
}).save();
let content = origNote.getContent();
if (['text', 'relation-map', 'search'].includes(origNote.type)) {
// fix links in the content
content = replaceByMap(content, noteIdMapping);
}
newNote.setContent(content);
for (const attribute of origNote.getOwnedAttributes()) {
const attr = new Attribute({
...attribute,
attributeId: undefined,
noteId: newNote.noteId
});
// if relation points to within the duplicated tree then replace the target to the duplicated note
// if it points outside of duplicated tree then keep the original target
if (attr.type === 'relation' && attr.value in noteIdMapping) {
attr.value = noteIdMapping[attr.value];
}
attr.save();
}
for (const childBranch of origNote.getChildBranches()) {
duplicateSubtreeInner(childBranch.getNote(), childBranch, newNote.noteId, noteIdMapping);
}
return newNote;
}
const existingNote = becca.notes[newNoteId];
if (existingNote && existingNote.title !== undefined) { // checking that it's not just note's skeleton created because of Branch above
// note has multiple clones and was already created from another placement in the tree
// so a branch is all we need for this clone
return {
note: existingNote,
branch: createDuplicatedBranch()
}
}
else {
return {
// order here is important, note needs to be created first to not mess up the becca
note: createDuplicatedNote(),
branch: createDuplicatedBranch()
}
}
}
function getNoteIdMapping(origNote) {
const noteIdMapping = {};
// pregenerate new noteIds since we'll need to fix relation references even for not yet created notes
for (const origNoteId of origNote.getDescendantNoteIds()) {
noteIdMapping[origNoteId] = utils.newEntityId();
}
return noteIdMapping;
}
sqlInit.dbReady.then(() => {
// first cleanup kickoff 5 minutes after startup
setTimeout(cls.wrap(() => eraseDeletedEntities()), 5 * 60 * 1000);
setInterval(cls.wrap(() => eraseDeletedEntities()), 4 * 3600 * 1000);
});
module.exports = {
createNewNote,
createNewNoteWithTarget,
updateNote,
deleteBranch,
undeleteNote,
protectNoteRecursively,
scanForLinks,
duplicateSubtree,
duplicateSubtreeWithoutRoot,
getUndeletedParentBranchIds,
triggerNoteTitleChanged,
eraseDeletedNotesNow,
eraseNotesWithDeleteId,
saveNoteRevision
};