2023-01-27 08:46:04 +01:00

477 lines
15 KiB
JavaScript

"use strict";
const sql = require('../../sql');
const utils = require('../../../services/utils');
const AbstractShacaEntity = require('./abstract_shaca_entity');
const escape = require('escape-html');
const LABEL = 'label';
const RELATION = 'relation';
const CREDENTIALS = 'shareCredentials';
const isCredentials = attr => attr.type === 'label' && attr.name === CREDENTIALS;
class SNote extends AbstractShacaEntity {
constructor([noteId, title, type, mime, utcDateModified, isProtected]) {
super();
/** @param {string} */
this.noteId = noteId;
/** @param {string} */
this.title = isProtected ? "[protected]" : title;
/** @param {string} */
this.type = type;
/** @param {string} */
this.mime = mime;
/** @param {string} */
this.utcDateModified = utcDateModified; // used for caching of images
/** @param {boolean} */
this.isProtected = isProtected;
/** @param {SBranch[]} */
this.parentBranches = [];
/** @param {SNote[]} */
this.parents = [];
/** @param {SNote[]} */
this.children = [];
/** @param {SAttribute[]} */
this.ownedAttributes = [];
/** @param {SAttribute[]|null} */
this.__attributeCache = null;
/** @param {SAttribute[]|null} */
this.inheritableAttributeCache = null;
/** @param {SAttribute[]} */
this.targetRelations = [];
this.shaca.notes[this.noteId] = this;
}
/** @returns {SBranch[]} */
getParentBranches() {
return this.parentBranches;
}
/** @returns {SBranch[]} */
getBranches() {
return this.parentBranches;
}
/** @returns {SBranch[]} */
getChildBranches() {
return this.children.map(childNote => this.shaca.getBranchFromChildAndParent(childNote.noteId, this.noteId));
}
/** @returns {SNote[]} */
getParentNotes() {
return this.parents;
}
/** @returns {SNote[]} */
getChildNotes() {
return this.children;
}
/** @returns {SNote[]} */
getVisibleChildNotes() {
return this.getChildBranches()
.filter(branch => !branch.isHidden)
.map(branch => branch.getNote())
.filter(childNote => !childNote.hasLabel('shareHiddenFromTree'));
}
/** @returns {boolean} */
hasChildren() {
return this.children && this.children.length > 0;
}
/** @returns {boolean} */
hasVisibleChildren() {
return this.getVisibleChildNotes().length > 0;
}
getContent(silentNotFoundError = false) {
const row = sql.getRow(`SELECT content FROM note_contents WHERE noteId = ?`, [this.noteId]);
if (!row) {
if (silentNotFoundError) {
return undefined;
}
else {
throw new Error(`Cannot find note content for noteId=${this.noteId}`);
}
}
let content = row.content;
if (this.isStringNote()) {
return content === null
? ""
: content.toString("UTF-8");
}
else {
return content;
}
}
/** @returns {boolean} true if the note has string content (not binary) */
isStringNote() {
return utils.isStringNote(this.type, this.mime);
}
/**
* @param {string} [type] - (optional) attribute type to filter
* @param {string} [name] - (optional) attribute name to filter
* @returns {SAttribute[]} all note's attributes, including inherited ones
*/
getAttributes(type, name) {
if (!this.__attributeCache) {
this.__getAttributes([]);
}
if (type && name) {
return this.__attributeCache.filter(attr => attr.type === type && attr.name === name && !isCredentials(attr));
}
else if (type) {
return this.__attributeCache.filter(attr => attr.type === type && !isCredentials(attr));
}
else if (name) {
return this.__attributeCache.filter(attr => attr.name === name && !isCredentials(attr));
}
else {
return this.__attributeCache.filter(attr => !isCredentials(attr));
}
}
/** @returns {SAttribute[]} */
getCredentials() {
this.__getAttributes([]);
return this.__attributeCache.filter(isCredentials);
}
__getAttributes(path) {
if (path.includes(this.noteId)) {
return [];
}
if (!this.__attributeCache) {
const parentAttributes = this.ownedAttributes.slice();
const newPath = [...path, this.noteId];
if (this.noteId !== 'root') {
for (const parentNote of this.parents) {
parentAttributes.push(...parentNote.__getInheritableAttributes(newPath));
}
}
const templateAttributes = [];
for (const ownedAttr of parentAttributes) { // parentAttributes so we process also inherited templates
if (ownedAttr.type === 'relation' && ['template', 'inherit'].includes(ownedAttr.name)) {
const templateNote = this.shaca.notes[ownedAttr.value];
if (templateNote) {
templateAttributes.push(...templateNote.__getAttributes(newPath));
}
}
}
this.__attributeCache = [];
const addedAttributeIds = new Set();
for (const attr of parentAttributes.concat(templateAttributes)) {
if (!addedAttributeIds.has(attr.attributeId)) {
addedAttributeIds.add(attr.attributeId);
this.__attributeCache.push(attr);
}
}
this.inheritableAttributeCache = [];
for (const attr of this.__attributeCache) {
if (attr.isInheritable) {
this.inheritableAttributeCache.push(attr);
}
}
}
return this.__attributeCache;
}
/** @returns {SAttribute[]} */
__getInheritableAttributes(path) {
if (path.includes(this.noteId)) {
return [];
}
if (!this.inheritableAttributeCache) {
this.__getAttributes(path); // will refresh also this.inheritableAttributeCache
}
return this.inheritableAttributeCache;
}
/** @returns {boolean} */
hasAttribute(type, name) {
return !!this.getAttributes().find(attr => attr.type === type && attr.name === name);
}
/** @returns {SNote|null} */
getRelationTarget(name) {
const relation = this.getAttributes().find(attr => attr.type === 'relation' && attr.name === name);
return relation ? relation.targetNote : null;
}
/**
* @param {string} name - label name
* @returns {boolean} true if label exists (including inherited)
*/
hasLabel(name) { return this.hasAttribute(LABEL, name); }
/**
* @param {string} name - label name
* @returns {boolean} true if label exists (excluding inherited)
*/
hasOwnedLabel(name) { return this.hasOwnedAttribute(LABEL, name); }
/**
* @param {string} name - relation name
* @returns {boolean} true if relation exists (including inherited)
*/
hasRelation(name) { return this.hasAttribute(RELATION, name); }
/**
* @param {string} name - relation name
* @returns {boolean} true if relation exists (excluding inherited)
*/
hasOwnedRelation(name) { return this.hasOwnedAttribute(RELATION, name); }
/**
* @param {string} name - label name
* @returns {SAttribute|null} label if it exists, null otherwise
*/
getLabel(name) { return this.getAttribute(LABEL, name); }
/**
* @param {string} name - label name
* @returns {SAttribute|null} label if it exists, null otherwise
*/
getOwnedLabel(name) { return this.getOwnedAttribute(LABEL, name); }
/**
* @param {string} name - relation name
* @returns {SAttribute|null} relation if it exists, null otherwise
*/
getRelation(name) { return this.getAttribute(RELATION, name); }
/**
* @param {string} name - relation name
* @returns {SAttribute|null} relation if it exists, null otherwise
*/
getOwnedRelation(name) { return this.getOwnedAttribute(RELATION, name); }
/**
* @param {string} name - label name
* @returns {string|null} label value if label exists, null otherwise
*/
getLabelValue(name) { return this.getAttributeValue(LABEL, name); }
/**
* @param {string} name - label name
* @returns {string|null} label value if label exists, null otherwise
*/
getOwnedLabelValue(name) { return this.getOwnedAttributeValue(LABEL, name); }
/**
* @param {string} name - relation name
* @returns {string|null} relation value if relation exists, null otherwise
*/
getRelationValue(name) { return this.getAttributeValue(RELATION, name); }
/**
* @param {string} name - relation name
* @returns {string|null} relation value if relation exists, null otherwise
*/
getOwnedRelationValue(name) { return this.getOwnedAttributeValue(RELATION, name); }
/**
* @param {string} type - attribute type (label, relation, etc.)
* @param {string} name - attribute name
* @returns {boolean} true if note has an attribute with given type and name (excluding inherited)
*/
hasOwnedAttribute(type, name) {
return !!this.getOwnedAttribute(type, name);
}
/**
* @param {string} type - attribute type (label, relation, etc.)
* @param {string} name - attribute name
* @returns {SAttribute} attribute of given type and name. If there's more such attributes, first is returned. Returns null if there's no such attribute belonging to this note.
*/
getAttribute(type, name) {
const attributes = this.getAttributes();
return attributes.find(attr => attr.type === type && attr.name === name);
}
/**
* @param {string} type - attribute type (label, relation, etc.)
* @param {string} name - attribute name
* @returns {string|null} attribute value of given type and name or null if no such attribute exists.
*/
getAttributeValue(type, name) {
const attr = this.getAttribute(type, name);
return attr ? attr.value : null;
}
/**
* @param {string} type - attribute type (label, relation, etc.)
* @param {string} name - attribute name
* @returns {string|null} attribute value of given type and name or null if no such attribute exists.
*/
getOwnedAttributeValue(type, name) {
const attr = this.getOwnedAttribute(type, name);
return attr ? attr.value : null;
}
/**
* @param {string} [name] - label name to filter
* @returns {SAttribute[]} all note's labels (attributes with type label), including inherited ones
*/
getLabels(name) {
return this.getAttributes(LABEL, name);
}
/**
* @param {string} [name] - label name to filter
* @returns {string[]} all note's label values, including inherited ones
*/
getLabelValues(name) {
return this.getLabels(name).map(l => l.value);
}
/**
* @param {string} [name] - label name to filter
* @returns {SAttribute[]} all note's labels (attributes with type label), excluding inherited ones
*/
getOwnedLabels(name) {
return this.getOwnedAttributes(LABEL, name);
}
/**
* @param {string} [name] - label name to filter
* @returns {string[]} all note's label values, excluding inherited ones
*/
getOwnedLabelValues(name) {
return this.getOwnedAttributes(LABEL, name).map(l => l.value);
}
/**
* @param {string} [name] - relation name to filter
* @returns {SAttribute[]} all note's relations (attributes with type relation), including inherited ones
*/
getRelations(name) {
return this.getAttributes(RELATION, name);
}
/**
* @param {string} [name] - relation name to filter
* @returns {SAttribute[]} all note's relations (attributes with type relation), excluding inherited ones
*/
getOwnedRelations(name) {
return this.getOwnedAttributes(RELATION, name);
}
/**
* @param {string} [type] - (optional) attribute type to filter
* @param {string} [name] - (optional) attribute name to filter
* @returns {SAttribute[]} note's "owned" attributes - excluding inherited ones
*/
getOwnedAttributes(type, name) {
// it's a common mistake to include # or ~ into attribute name
if (name && ["#", "~"].includes(name[0])) {
name = name.substr(1);
}
if (type && name) {
return this.ownedAttributes.filter(attr => attr.type === type && attr.name === name);
}
else if (type) {
return this.ownedAttributes.filter(attr => attr.type === type);
}
else if (name) {
return this.ownedAttributes.filter(attr => attr.name === name);
}
else {
return this.ownedAttributes.slice();
}
}
/**
* @returns {SAttribute} attribute belonging to this specific note (excludes inherited attributes)
*
* This method can be significantly faster than the getAttribute()
*/
getOwnedAttribute(type, name) {
const attrs = this.getOwnedAttributes(type, name);
return attrs.length > 0 ? attrs[0] : null;
}
/** @returns {boolean} */
get isArchived() {
return this.hasAttribute('label', 'archived');
}
/** @returns {boolean} */
isInherited() {
return !!this.targetRelations.find(rel => rel.name === 'template' || rel.name === 'inherit');
}
/** @returns {SAttribute[]} */
getTargetRelations() {
return this.targetRelations;
}
/** @returns {string} */
get shareId() {
if (this.hasOwnedLabel('shareRoot')) {
return "";
}
const sharedAlias = this.getOwnedLabelValue("shareAlias");
return sharedAlias || this.noteId;
}
get escapedTitle() {
return escape(this.title);
}
getPojoWithAttributes() {
return {
noteId: this.noteId,
title: this.title,
type: this.type,
mime: this.mime,
utcDateModified: this.utcDateModified,
attributes: this.getAttributes()
// relations could link across shared subtrees which might leak them
// individual relations might be whitelisted based on needs #3434
.filter(attr => attr.type === 'label')
.map(attr => attr.getPojo()),
parentNoteIds: this.parents.map(parentNote => parentNote.noteId),
childNoteIds: this.children.map(child => child.noteId)
};
}
}
module.exports = SNote;