add missing API docs

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zadam 2023-09-06 09:23:13 +02:00
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<!DOCTYPE html>
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<title>JSDoc: Source: becca/entities/battachment.js</title>
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<h1 class="page-title">Source: becca/entities/battachment.js</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code>"use strict";
const utils = require('../../services/utils');
const dateUtils = require('../../services/date_utils');
const AbstractBeccaEntity = require("./abstract_becca_entity");
const sql = require("../../services/sql");
const protectedSessionService = require("../../services/protected_session");
const log = require("../../services/log");
const attachmentRoleToNoteTypeMapping = {
'image': 'image'
};
/**
* Attachment represent data related/attached to the note. Conceptually similar to attributes, but intended for
* larger amounts of data and generally not accessible to the user.
*
* @extends AbstractBeccaEntity
*/
class BAttachment extends AbstractBeccaEntity {
static get entityName() { return "attachments"; }
static get primaryKeyName() { return "attachmentId"; }
static get hashedProperties() { return ["attachmentId", "ownerId", "role", "mime", "title", "blobId",
"utcDateScheduledForErasureSince", "utcDateModified"]; }
constructor(row) {
super();
if (!row.ownerId?.trim()) {
throw new Error("'ownerId' must be given to initialize a Attachment entity");
} else if (!row.role?.trim()) {
throw new Error("'role' must be given to initialize a Attachment entity");
} else if (!row.mime?.trim()) {
throw new Error("'mime' must be given to initialize a Attachment entity");
} else if (!row.title?.trim()) {
throw new Error("'title' must be given to initialize a Attachment entity");
}
/** @type {string} */
this.attachmentId = row.attachmentId;
/** @type {string} either noteId or revisionId to which this attachment belongs */
this.ownerId = row.ownerId;
/** @type {string} */
this.role = row.role;
/** @type {string} */
this.mime = row.mime;
/** @type {string} */
this.title = row.title;
/** @type {int} */
this.position = row.position;
/** @type {string} */
this.blobId = row.blobId;
/** @type {boolean} */
this.isProtected = !!row.isProtected;
/** @type {string} */
this.dateModified = row.dateModified;
/** @type {string} */
this.utcDateModified = row.utcDateModified;
/** @type {string} */
this.utcDateScheduledForErasureSince = row.utcDateScheduledForErasureSince;
/** @type {int} optionally added to the entity */
this.contentLength = row.contentLength;
this.decrypt();
}
/** @returns {BAttachment} */
copy() {
return new BAttachment({
ownerId: this.ownerId,
role: this.role,
mime: this.mime,
title: this.title,
blobId: this.blobId,
isProtected: this.isProtected
});
}
/** @returns {BNote} */
getNote() {
return this.becca.notes[this.ownerId];
}
/** @returns {boolean} true if the note has string content (not binary) */
hasStringContent() {
return utils.isStringNote(this.type, this.mime);
}
isContentAvailable() {
return !this.attachmentId // new attachment which was not encrypted yet
|| !this.isProtected
|| protectedSessionService.isProtectedSessionAvailable()
}
getTitleOrProtected() {
return this.isContentAvailable() ? this.title : '[protected]';
}
decrypt() {
if (this.isProtected &amp;&amp; !this.isDecrypted &amp;&amp; protectedSessionService.isProtectedSessionAvailable()) {
try {
this.title = protectedSessionService.decryptString(this.title);
this.isDecrypted = true;
}
catch (e) {
log.error(`Could not decrypt attachment ${this.attachmentId}: ${e.message} ${e.stack}`);
}
}
}
/** @returns {string|Buffer} */
getContent() {
return this._getContent();
}
/**
* @param content
* @param {object} [opts]
* @param {object} [opts.forceSave=false] - will also save this BAttachment entity
* @param {object} [opts.forceFrontendReload=false] - override frontend heuristics on when to reload, instruct to reload
*/
setContent(content, opts) {
this._setContent(content, opts);
}
/** @returns {{note: BNote, branch: BBranch}} */
convertToNote() {
if (this.type === 'search') {
throw new Error(`Note of type search cannot have child notes`);
}
if (!this.getNote()) {
throw new Error("Cannot find note of this attachment. It is possible that this is note revision's attachment. " +
"Converting note revision's attachments to note is not (yet) supported.");
}
if (!(this.role in attachmentRoleToNoteTypeMapping)) {
throw new Error(`Mapping from attachment role '${this.role}' to note's type is not defined`);
}
if (!this.isContentAvailable()) { // isProtected is the same for attachment
throw new Error(`Cannot convert protected attachment outside of protected session`);
}
const noteService = require('../../services/notes');
const { note, branch } = noteService.createNewNote({
parentNoteId: this.ownerId,
title: this.title,
type: attachmentRoleToNoteTypeMapping[this.role],
mime: this.mime,
content: this.getContent(),
isProtected: this.isProtected
});
this.markAsDeleted();
const parentNote = this.getNote();
if (this.role === 'image' &amp;&amp; parentNote.type === 'text') {
const origContent = parentNote.getContent();
const oldAttachmentUrl = `api/attachments/${this.attachmentId}/image/`;
const newNoteUrl = `api/images/${note.noteId}/`;
const fixedContent = utils.replaceAll(origContent, oldAttachmentUrl, newNoteUrl);
if (fixedContent !== origContent) {
parentNote.setContent(fixedContent);
}
noteService.asyncPostProcessContent(note, fixedContent);
}
return { note, branch };
}
getFileName() {
const type = this.role === 'image' ? 'image' : 'file';
return utils.formatDownloadTitle(this.title, type, this.mime);
}
beforeSaving() {
super.beforeSaving();
if (this.position === undefined || this.position === null) {
this.position = 10 + sql.getValue(`SELECT COALESCE(MAX(position), 0)
FROM attachments
WHERE ownerId = ?`, [this.noteId]);
}
this.dateModified = dateUtils.localNowDateTime();
this.utcDateModified = dateUtils.utcNowDateTime();
}
getPojo() {
return {
attachmentId: this.attachmentId,
ownerId: this.ownerId,
role: this.role,
mime: this.mime,
title: this.title,
position: this.position,
blobId: this.blobId,
isProtected: !!this.isProtected,
isDeleted: false,
dateModified: this.dateModified,
utcDateModified: this.utcDateModified,
utcDateScheduledForErasureSince: this.utcDateScheduledForErasureSince,
contentLength: this.contentLength
};
}
getPojoToSave() {
const pojo = this.getPojo();
delete pojo.contentLength;
if (pojo.isProtected) {
if (this.isDecrypted) {
pojo.title = protectedSessionService.encrypt(pojo.title);
}
else {
// updating protected note outside of protected session means we will keep original ciphertexts
delete pojo.title;
}
}
return pojo;
}
}
module.exports = BAttachment;
</code></pre>
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<title>JSDoc: Source: becca/entities/bblob.js</title>
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<h1 class="page-title">Source: becca/entities/bblob.js</h1>
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<pre class="prettyprint source linenums"><code>class BBlob {
static get entityName() { return "blobs"; }
static get primaryKeyName() { return "blobId"; }
static get hashedProperties() { return ["blobId", "content"]; }
constructor(row) {
/** @type {string} */
this.blobId = row.blobId;
/** @type {string|Buffer} */
this.content = row.content;
/** @type {int} */
this.contentLength = row.contentLength;
/** @type {string} */
this.dateModified = row.dateModified;
/** @type {string} */
this.utcDateModified = row.utcDateModified;
}
getPojo() {
return {
blobId: this.blobId,
content: this.content,
contentLength: this.contentLength,
dateModified: this.dateModified,
utcDateModified: this.utcDateModified
};
}
}
module.exports = BBlob;
</code></pre>
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<title>JSDoc: Source: becca/entities/brevision.js</title>
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<h1 class="page-title">Source: becca/entities/brevision.js</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code>"use strict";
const protectedSessionService = require('../../services/protected_session');
const utils = require('../../services/utils');
const dateUtils = require('../../services/date_utils');
const becca = require('../becca');
const AbstractBeccaEntity = require("./abstract_becca_entity");
const sql = require("../../services/sql");
const BAttachment = require("./battachment");
/**
* Revision represents a snapshot of note's title and content at some point in the past.
* It's used for seamless note versioning.
*
* @extends AbstractBeccaEntity
*/
class BRevision extends AbstractBeccaEntity {
static get entityName() { return "revisions"; }
static get primaryKeyName() { return "revisionId"; }
static get hashedProperties() { return ["revisionId", "noteId", "title", "isProtected", "dateLastEdited", "dateCreated",
"utcDateLastEdited", "utcDateCreated", "utcDateModified", "blobId"]; }
constructor(row, titleDecrypted = false) {
super();
/** @type {string} */
this.revisionId = row.revisionId;
/** @type {string} */
this.noteId = row.noteId;
/** @type {string} */
this.type = row.type;
/** @type {string} */
this.mime = row.mime;
/** @type {boolean} */
this.isProtected = !!row.isProtected;
/** @type {string} */
this.title = row.title;
/** @type {string} */
this.blobId = row.blobId;
/** @type {string} */
this.dateLastEdited = row.dateLastEdited;
/** @type {string} */
this.dateCreated = row.dateCreated;
/** @type {string} */
this.utcDateLastEdited = row.utcDateLastEdited;
/** @type {string} */
this.utcDateCreated = row.utcDateCreated;
/** @type {string} */
this.utcDateModified = row.utcDateModified;
/** @type {int} */
this.contentLength = row.contentLength;
if (this.isProtected &amp;&amp; !titleDecrypted) {
this.title = protectedSessionService.isProtectedSessionAvailable()
? protectedSessionService.decryptString(this.title)
: "[protected]";
}
}
getNote() {
return becca.notes[this.noteId];
}
/** @returns {boolean} true if the note has string content (not binary) */
hasStringContent() {
return utils.isStringNote(this.type, this.mime);
}
isContentAvailable() {
return !this.revisionId // new note which was not encrypted yet
|| !this.isProtected
|| protectedSessionService.isProtectedSessionAvailable()
}
/*
* Note revision content has quite special handling - it's not a separate entity, but a lazily loaded
* part of Revision entity with its own sync. The reason behind this hybrid design is that
* content can be quite large, and it's not necessary to load it / fill memory for any note access even
* if we don't need a content, especially for bulk operations like search.
*
* This is the same approach as is used for Note's content.
*/
/** @returns {string|Buffer} */
getContent() {
return this._getContent();
}
/**
* @param content
* @param {object} [opts]
* @param {object} [opts.forceSave=false] - will also save this BRevision entity
*/
setContent(content, opts) {
this._setContent(content, opts);
}
/** @returns {BAttachment[]} */
getAttachments() {
return sql.getRows(`
SELECT attachments.*
FROM attachments
WHERE ownerId = ?
AND isDeleted = 0`, [this.revisionId])
.map(row => new BAttachment(row));
}
beforeSaving() {
super.beforeSaving();
this.utcDateModified = dateUtils.utcNowDateTime();
}
getPojo() {
return {
revisionId: this.revisionId,
noteId: this.noteId,
type: this.type,
mime: this.mime,
isProtected: this.isProtected,
title: this.title,
blobId: this.blobId,
dateLastEdited: this.dateLastEdited,
dateCreated: this.dateCreated,
utcDateLastEdited: this.utcDateLastEdited,
utcDateCreated: this.utcDateCreated,
utcDateModified: this.utcDateModified,
content: this.content, // used when retrieving full note revision to frontend
contentLength: this.contentLength
};
}
getPojoToSave() {
const pojo = this.getPojo();
delete pojo.content; // not getting persisted
delete pojo.contentLength; // not getting persisted
if (pojo.isProtected) {
if (protectedSessionService.isProtectedSessionAvailable()) {
pojo.title = protectedSessionService.encrypt(this.title);
}
else {
// updating protected note outside of protected session means we will keep original ciphertexts
delete pojo.title;
}
}
return pojo;
}
}
module.exports = BRevision;
</code></pre>
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<title>JSDoc: Source: entities/fattachment.js</title>
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<h1 class="page-title">Source: entities/fattachment.js</h1>
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<pre class="prettyprint source linenums"><code>class FAttachment {
constructor(froca, row) {
/** @type {Froca} */
this.froca = froca;
this.update(row);
}
update(row) {
/** @type {string} */
this.attachmentId = row.attachmentId;
/** @type {string} */
this.ownerId = row.ownerId;
/** @type {string} */
this.role = row.role;
/** @type {string} */
this.mime = row.mime;
/** @type {string} */
this.title = row.title;
/** @type {string} */
this.dateModified = row.dateModified;
/** @type {string} */
this.utcDateModified = row.utcDateModified;
/** @type {string} */
this.utcDateScheduledForErasureSince = row.utcDateScheduledForErasureSince;
/** @type {int} optionally added to the entity */
this.contentLength = row.contentLength;
this.froca.attachments[this.attachmentId] = this;
}
/** @returns {FNote} */
getNote() {
return this.froca.notes[this.ownerId];
}
/** @return {FBlob} */
async getBlob() {
return await this.froca.getBlob('attachments', this.attachmentId);
}
}
export default FAttachment;
</code></pre>
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<title>JSDoc: Source: entities/fblob.js</title>
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<h1 class="page-title">Source: entities/fblob.js</h1>
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<pre class="prettyprint source linenums"><code>export default class FBlob {
constructor(row) {
/** @type {string} */
this.blobId = row.blobId;
/**
* can either contain the whole content (in e.g. string notes), only part (large text notes) or nothing at all (binary notes, images)
* @type {string}
*/
this.content = row.content;
this.contentLength = row.contentLength;
/** @type {string} */
this.dateModified = row.dateModified;
/** @type {string} */
this.utcDateModified = row.utcDateModified;
}
}
</code></pre>
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