946 lines
32 KiB
JavaScript
946 lines
32 KiB
JavaScript
/*
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* vim: ts=4:sw=4:expandtab
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*/
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(function () {
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'use strict';
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window.Whisper = window.Whisper || {};
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// TODO: Factor out private and group subclasses of Conversation
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var COLORS = [
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'red',
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'pink',
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'purple',
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'deep_purple',
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'indigo',
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'blue',
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'light_blue',
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'cyan',
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'teal',
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'green',
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'light_green',
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'orange',
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'deep_orange',
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'amber',
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'blue_grey',
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];
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Whisper.Conversation = Backbone.Model.extend({
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database: Whisper.Database,
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storeName: 'conversations',
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defaults: function() {
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return {
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unreadCount: 0,
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verified: textsecure.storage.protocol.VerifiedStatus.DEFAULT
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};
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},
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handleMessageError: function(message, errors) {
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this.trigger('messageError', message, errors);
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},
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initialize: function() {
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this.ourNumber = textsecure.storage.user.getNumber();
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this.verifiedEnum = textsecure.storage.protocol.VerifiedStatus;
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this.contactCollection = new Backbone.Collection();
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this.messageCollection = new Whisper.MessageCollection([], {
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conversation: this
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});
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this.messageCollection.on('change:errors', this.handleMessageError, this);
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this.messageCollection.on('send-error', this.onMessageError, this);
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this.on('change:avatar', this.updateAvatarUrl);
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this.on('destroy', this.revokeAvatarUrl);
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},
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isMe: function() {
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return this.id === this.ourNumber;
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},
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onMessageError: function() {
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this.updateVerified();
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},
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updateVerified: function() {
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if (this.isPrivate()) {
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return Promise.all([
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textsecure.storage.protocol.getVerified(this.id),
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this.safeFetch()
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]).then(function(results) {
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var trust = results[0];
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// we don't return here because we don't need to wait for this to finish
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this.save({verified: trust});
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}.bind(this));
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} else {
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return this.fetchContacts().then(function() {
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return Promise.all(this.contactCollection.map(function(contact) {
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if (!contact.isMe()) {
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return contact.updateVerified();
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}
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}.bind(this)));
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}.bind(this)).then(this.onMemberVerifiedChange.bind(this));
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}
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},
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safeFetch: function() {
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// new Promise necessary because a fetch will fail if convo not in db yet
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return new Promise(function(resolve) {
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this.fetch().always(resolve);
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}.bind(this));
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},
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setVerifiedDefault: function(options) {
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var DEFAULT = this.verifiedEnum.DEFAULT;
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return this.queueJob(function() {
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return this._setVerified(DEFAULT, options);
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}.bind(this));
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},
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setVerified: function(options) {
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var VERIFIED = this.verifiedEnum.VERIFIED;
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return this.queueJob(function() {
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return this._setVerified(VERIFIED, options);
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}.bind(this));
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},
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setUnverified: function(options) {
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var UNVERIFIED = this.verifiedEnum.UNVERIFIED;
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return this.queueJob(function() {
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return this._setVerified(UNVERIFIED, options);
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}.bind(this));
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},
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_setVerified: function(verified, options) {
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options = options || {};
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_.defaults(options, {viaSyncMessage: false, viaContactSync: false, key: null});
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var DEFAULT = this.verifiedEnum.DEFAULT;
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var VERIFIED = this.verifiedEnum.VERIFIED;
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var UNVERIFIED = this.verifiedEnum.UNVERIFIED;
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if (!this.isPrivate()) {
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throw new Error('You cannot verify a group conversation. ' +
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'You must verify individual contacts.');
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}
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var beginningVerified = this.get('verified');
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var promise;
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if (options.viaSyncMessage) {
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// handle the incoming key from the sync messages - need different
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// behavior if that key doesn't match the current key
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promise = textsecure.storage.protocol.processVerifiedMessage(
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this.id, verified, options.key
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);
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} else {
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promise = textsecure.storage.protocol.setVerified(
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this.id, verified
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);
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}
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var keychange;
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return promise.then(function(updatedKey) {
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keychange = updatedKey;
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return new Promise(function(resolve) {
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return this.save({verified: verified}).always(resolve);
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}.bind(this));
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}.bind(this)).then(function() {
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// Three situations result in a verification notice in the conversation:
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// 1) The message came from an explicit verification in another client (not
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// a contact sync)
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// 2) The verification value received by the contact sync is different
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// from what we have on record (and it's not a transition to UNVERIFIED)
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// 3) Our local verification status is VERIFIED and it hasn't changed,
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// but the key did change (Key1/VERIFIED to Key2/VERIFIED - but we don't
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// want to show DEFAULT->DEFAULT or UNVERIFIED->UNVERIFIED)
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if (!options.viaContactSync
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|| (beginningVerified !== verified && verified !== UNVERIFIED)
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|| (keychange && verified === VERIFIED)) {
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this.addVerifiedChange(this.id, verified === VERIFIED, {local: !options.viaSyncMessage});
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}
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if (!options.viaSyncMessage) {
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return this.sendVerifySyncMessage(this.id, verified);
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}
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}.bind(this));
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},
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sendVerifySyncMessage: function(number, state) {
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return textsecure.storage.protocol.loadIdentityKey(number).then(function(key) {
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return textsecure.messaging.syncVerification(number, state, key);
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});
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},
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isVerified: function() {
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if (this.isPrivate()) {
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return this.get('verified') === this.verifiedEnum.VERIFIED;
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} else {
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if (!this.contactCollection.length) {
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return false;
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}
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return this.contactCollection.every(function(contact) {
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if (contact.isMe()) {
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return true;
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} else {
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return contact.isVerified();
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}
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}.bind(this));
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}
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},
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isUnverified: function() {
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if (this.isPrivate()) {
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var verified = this.get('verified');
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return verified !== this.verifiedEnum.VERIFIED && verified !== this.verifiedEnum.DEFAULT;
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} else {
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if (!this.contactCollection.length) {
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return true;
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}
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return this.contactCollection.any(function(contact) {
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if (contact.isMe()) {
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return false;
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} else {
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return contact.isUnverified();
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}
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}.bind(this));
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}
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},
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getUnverified: function() {
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if (this.isPrivate()) {
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return this.isUnverified() ? new Backbone.Collection([this]) : new Backbone.Collection();
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} else {
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return new Backbone.Collection(this.contactCollection.filter(function(contact) {
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if (contact.isMe()) {
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return false;
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} else {
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return contact.isUnverified();
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}
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}.bind(this)));
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}
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},
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setApproved: function() {
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if (!this.isPrivate()) {
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throw new Error('You cannot set a group conversation as trusted. ' +
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'You must set individual contacts as trusted.');
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}
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return textsecure.storage.protocol.setApproval(this.id, true);
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},
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isUntrusted: function() {
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if (this.isPrivate()) {
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return textsecure.storage.protocol.isUntrusted(this.id);
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} else {
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if (!this.contactCollection.length) {
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return Promise.resolve(false);
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}
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return Promise.all(this.contactCollection.map(function(contact) {
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if (contact.isMe()) {
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return false;
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} else {
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return contact.isUntrusted();
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}
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}.bind(this))).then(function(results) {
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return _.any(results, function(result) {
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return result;
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});
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});
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}
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},
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getUntrusted: function() {
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// This is a bit ugly because isUntrusted() is async. Could do the work to cache
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// it locally, but we really only need it for this call.
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if (this.isPrivate()) {
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return this.isUntrusted().then(function(untrusted) {
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if (untrusted) {
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return new Backbone.Collection([this]);
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}
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return new Backbone.Collection();
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}.bind(this));
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} else {
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return Promise.all(this.contactCollection.map(function(contact) {
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if (contact.isMe()) {
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return [false, contact];
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} else {
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return Promise.all([this.isUntrusted(), contact]);
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}
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}.bind(this))).then(function(results) {
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results = _.filter(results, function(result) {
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var untrusted = result[0];
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return untrusted;
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});
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return new Backbone.Collection(_.map(results, function(result) {
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var contact = result[1];
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return contact;
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}));
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}.bind(this));
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}
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},
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onMemberVerifiedChange: function() {
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// If the verified state of a member changes, our aggregate state changes.
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// We trigger both events to replicate the behavior of Backbone.Model.set()
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this.trigger('change:verified');
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this.trigger('change');
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},
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toggleVerified: function() {
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if (this.isVerified()) {
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return this.setVerifiedDefault();
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} else {
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return this.setVerified();
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}
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},
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addKeyChange: function(id) {
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console.log('adding key change advisory for', this.id, id, this.get('timestamp'));
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var timestamp = Date.now();
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var message = new Whisper.Message({
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conversationId : this.id,
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type : 'keychange',
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sent_at : this.get('timestamp'),
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received_at : timestamp,
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key_changed : id,
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unread : 1
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});
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message.save().then(this.trigger.bind(this,'newmessage', message));
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},
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addVerifiedChange: function(id, verified, options) {
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options = options || {};
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_.defaults(options, {local: true});
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var lastMessage = this.get('timestamp') || Date.now();
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console.log('adding verified change advisory for', this.id, id, lastMessage);
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var timestamp = Date.now();
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var message = new Whisper.Message({
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conversationId : this.id,
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type : 'verified-change',
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sent_at : lastMessage,
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received_at : timestamp,
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verifiedChanged : id,
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verified : verified,
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local : options.local,
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unread : 1
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});
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message.save().then(this.trigger.bind(this,'newmessage', message));
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if (this.isPrivate()) {
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ConversationController.getAllGroupsInvolvingId(id).then(function(groups) {
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_.forEach(groups, function(group) {
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group.addVerifiedChange(id, verified, options);
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});
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});
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}
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},
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onReadMessage: function(message) {
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if (this.messageCollection.get(message.id)) {
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this.messageCollection.get(message.id).fetch();
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}
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// We mark as read everything older than this message - to clean up old stuff
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// still marked unread in the database. If the user generally doesn't read in
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// the desktop app, so the desktop app only gets read receipts, we can very
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// easily end up with messages never marked as read (our previous early read
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// receipt handling, read receipts never sent because app was offline)
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// We queue it because we often get a whole lot of read receipts at once, and
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// their markRead calls could very easily overlap given the async pull from DB.
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// Lastly, we don't send read receipts for any message marked read due to a read
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// receipt. That's a notification explosion we don't need.
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this.queueJob(function() {
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return this.markRead(message.get('received_at'), {sendReadReceipts: false});
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}.bind(this));
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},
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getUnread: function() {
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var conversationId = this.id;
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var unreadMessages = new Whisper.MessageCollection();
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return new Promise(function(resolve) {
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return unreadMessages.fetch({
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index: {
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// 'unread' index
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name : 'unread',
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lower : [conversationId],
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upper : [conversationId, Number.MAX_VALUE],
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}
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}).always(function() {
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resolve(unreadMessages);
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});
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});
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},
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validate: function(attributes, options) {
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var required = ['id', 'type'];
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var missing = _.filter(required, function(attr) { return !attributes[attr]; });
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if (missing.length) { return "Conversation must have " + missing; }
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if (attributes.type !== 'private' && attributes.type !== 'group') {
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return "Invalid conversation type: " + attributes.type;
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}
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var error = this.validateNumber();
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if (error) { return error; }
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this.updateTokens();
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},
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validateNumber: function() {
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if (this.isPrivate()) {
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var regionCode = storage.get('regionCode');
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var number = libphonenumber.util.parseNumber(this.id, regionCode);
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if (number.isValidNumber) {
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this.set({ id: number.e164 });
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} else {
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return number.error || "Invalid phone number";
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}
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}
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},
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updateTokens: function() {
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var tokens = [];
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var name = this.get('name');
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if (typeof name === 'string') {
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tokens.push(name.toLowerCase());
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tokens = tokens.concat(name.trim().toLowerCase().split(/[\s\-_\(\)\+]+/));
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}
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if (this.isPrivate()) {
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var regionCode = storage.get('regionCode');
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var number = libphonenumber.util.parseNumber(this.id, regionCode);
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tokens.push(
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number.nationalNumber,
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number.countryCode + number.nationalNumber
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);
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}
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this.set({tokens: tokens});
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},
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queueJob: function(callback) {
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var previous = this.pending || Promise.resolve();
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var taskWithTimeout = textsecure.createTaskWithTimeout(callback, 'conversation ' + this.id);
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var current = this.pending = previous.then(taskWithTimeout, taskWithTimeout);
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current.then(function() {
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if (this.pending === current) {
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delete this.pending;
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}
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}.bind(this));
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return current;
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},
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sendMessage: function(body, attachments) {
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this.queueJob(function() {
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var now = Date.now();
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var message = this.messageCollection.add({
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body : body,
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conversationId : this.id,
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type : 'outgoing',
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attachments : attachments,
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sent_at : now,
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received_at : now,
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expireTimer : this.get('expireTimer')
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});
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if (this.isPrivate()) {
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message.set({destination: this.id});
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}
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message.save();
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this.save({
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active_at : now,
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timestamp : now,
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lastMessage : message.getNotificationText()
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});
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var sendFunc;
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if (this.get('type') == 'private') {
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sendFunc = textsecure.messaging.sendMessageToNumber;
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}
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else {
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sendFunc = textsecure.messaging.sendMessageToGroup;
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}
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message.send(sendFunc(this.get('id'), body, attachments, now, this.get('expireTimer')));
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}.bind(this));
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},
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updateLastMessage: function() {
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var collection = new Whisper.MessageCollection();
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return collection.fetchConversation(this.id, 1).then(function() {
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var lastMessage = collection.at(0);
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if (lastMessage) {
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if (lastMessage.get('type') === 'verified-change') {
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return;
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}
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this.set({
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lastMessage : lastMessage.getNotificationText(),
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timestamp : lastMessage.get('sent_at')
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});
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} else {
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this.set({ lastMessage: '', timestamp: null });
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}
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if (this.hasChanged('lastMessage') || this.hasChanged('timestamp')) {
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this.save();
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}
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}.bind(this));
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},
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updateExpirationTimer: function(expireTimer, source, received_at) {
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if (!expireTimer) { expireTimer = null; }
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source = source || textsecure.storage.user.getNumber();
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var timestamp = received_at || Date.now();
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this.save({ expireTimer: expireTimer });
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var message = this.messageCollection.add({
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conversationId : this.id,
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type : received_at ? 'incoming' : 'outgoing',
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sent_at : timestamp,
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received_at : timestamp,
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flags : textsecure.protobuf.DataMessage.Flags.EXPIRATION_TIMER_UPDATE,
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expirationTimerUpdate : {
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expireTimer : expireTimer,
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source : source
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}
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});
|
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if (this.isPrivate()) {
|
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message.set({destination: this.id});
|
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}
|
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message.save();
|
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if (message.isOutgoing()) { // outgoing update, send it to the number/group
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var sendFunc;
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if (this.get('type') == 'private') {
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sendFunc = textsecure.messaging.sendExpirationTimerUpdateToNumber;
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}
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else {
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sendFunc = textsecure.messaging.sendExpirationTimerUpdateToGroup;
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}
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message.send(sendFunc(this.get('id'), this.get('expireTimer'), message.get('sent_at')));
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}
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return message;
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},
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|
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isSearchable: function() {
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return !this.get('left') || !!this.get('lastMessage');
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},
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|
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endSession: function() {
|
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if (this.isPrivate()) {
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var now = Date.now();
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var message = this.messageCollection.create({
|
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conversationId : this.id,
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type : 'outgoing',
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sent_at : now,
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received_at : now,
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destination : this.id,
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flags : textsecure.protobuf.DataMessage.Flags.END_SESSION
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});
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message.send(textsecure.messaging.closeSession(this.id, now));
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}
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},
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|
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updateGroup: function(group_update) {
|
|
if (this.isPrivate()) {
|
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throw new Error("Called update group on private conversation");
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}
|
|
if (group_update === undefined) {
|
|
group_update = this.pick(['name', 'avatar', 'members']);
|
|
}
|
|
var now = Date.now();
|
|
var message = this.messageCollection.create({
|
|
conversationId : this.id,
|
|
type : 'outgoing',
|
|
sent_at : now,
|
|
received_at : now,
|
|
group_update : group_update
|
|
});
|
|
message.send(textsecure.messaging.updateGroup(
|
|
this.id,
|
|
this.get('name'),
|
|
this.get('avatar'),
|
|
this.get('members')
|
|
));
|
|
},
|
|
|
|
leaveGroup: function() {
|
|
var now = Date.now();
|
|
if (this.get('type') === 'group') {
|
|
this.save({left: true});
|
|
var message = this.messageCollection.create({
|
|
group_update: { left: 'You' },
|
|
conversationId : this.id,
|
|
type : 'outgoing',
|
|
sent_at : now,
|
|
received_at : now
|
|
});
|
|
message.send(textsecure.messaging.leaveGroup(this.id));
|
|
}
|
|
},
|
|
|
|
markRead: function(newestUnreadDate, options) {
|
|
options = options || {};
|
|
_.defaults(options, {sendReadReceipts: true});
|
|
|
|
var conversationId = this.id;
|
|
Whisper.Notifications.remove(Whisper.Notifications.where({
|
|
conversationId: conversationId
|
|
}));
|
|
|
|
return this.getUnread().then(function(unreadMessages) {
|
|
var oldUnread = unreadMessages.filter(function(message) {
|
|
return message.get('received_at') <= newestUnreadDate;
|
|
});
|
|
|
|
var read = _.map(oldUnread, function(m) {
|
|
if (this.messageCollection.get(m.id)) {
|
|
m = this.messageCollection.get(m.id);
|
|
} else {
|
|
console.log('Marked a message as read in the database, but ' +
|
|
'it was not in messageCollection.');
|
|
}
|
|
m.markRead();
|
|
return {
|
|
sender : m.get('source'),
|
|
timestamp : m.get('sent_at')
|
|
};
|
|
}.bind(this));
|
|
|
|
// Some messages we're marking read are local notifications with no sender
|
|
read = _.filter(read, function(m) {
|
|
return Boolean(m.sender);
|
|
});
|
|
unreadMessages = unreadMessages.filter(function(m) {
|
|
return Boolean(m.isIncoming());
|
|
});
|
|
|
|
var unreadCount = unreadMessages.length - read.length;
|
|
this.save({ unreadCount: unreadCount });
|
|
|
|
if (read.length && options.sendReadReceipts) {
|
|
console.log('Sending', read.length, 'read receipts');
|
|
textsecure.messaging.syncReadMessages(read);
|
|
}
|
|
}.bind(this));
|
|
},
|
|
|
|
getProfiles: function() {
|
|
// request all conversation members' keys
|
|
var ids = [];
|
|
if (this.isPrivate()) {
|
|
ids = [this.id];
|
|
} else {
|
|
ids = this.get('members');
|
|
}
|
|
return Promise.all(_.map(ids, this.getProfile));
|
|
},
|
|
|
|
getProfile: function(id) {
|
|
return textsecure.messaging.getProfile(id).then(function(profile) {
|
|
var identityKey = dcodeIO.ByteBuffer.wrap(profile.identityKey, 'base64').toArrayBuffer();
|
|
|
|
return textsecure.storage.protocol.saveIdentity(
|
|
id + '.1', identityKey, false
|
|
).then(function(changed) {
|
|
if (changed) {
|
|
// save identity will close all sessions except for .1, so we
|
|
// must close that one manually.
|
|
var address = new libsignal.SignalProtocolAddress(id, 1);
|
|
console.log('closing session for', address.toString());
|
|
var sessionCipher = new libsignal.SessionCipher(textsecure.storage.protocol, address);
|
|
return sessionCipher.closeOpenSessionForDevice();
|
|
}
|
|
});
|
|
});
|
|
},
|
|
|
|
fetchMessages: function() {
|
|
if (!this.id) {
|
|
return Promise.reject('This conversation has no id!');
|
|
}
|
|
return this.messageCollection.fetchConversation(this.id, null, this.get('unreadCount'));
|
|
},
|
|
|
|
hasMember: function(number) {
|
|
return _.contains(this.get('members'), number);
|
|
},
|
|
fetchContacts: function(options) {
|
|
return new Promise(function(resolve) {
|
|
if (this.isPrivate()) {
|
|
this.contactCollection.reset([this]);
|
|
resolve();
|
|
} else {
|
|
var promises = [];
|
|
var members = this.get('members') || [];
|
|
|
|
this.contactCollection.reset(
|
|
members.map(function(number) {
|
|
var c = ConversationController.create({
|
|
id : number,
|
|
type : 'private'
|
|
});
|
|
this.listenTo(c, 'change:verified', this.onMemberVerifiedChange);
|
|
promises.push(c.safeFetch());
|
|
return c;
|
|
}.bind(this))
|
|
);
|
|
resolve(Promise.all(promises));
|
|
}
|
|
}.bind(this));
|
|
},
|
|
|
|
destroyMessages: function() {
|
|
this.messageCollection.fetch({
|
|
index: {
|
|
// 'conversation' index on [conversationId, received_at]
|
|
name : 'conversation',
|
|
lower : [this.id],
|
|
upper : [this.id, Number.MAX_VALUE],
|
|
}
|
|
}).then(function() {
|
|
var models = this.messageCollection.models;
|
|
this.messageCollection.reset([]);
|
|
_.each(models, function(message) { message.destroy(); });
|
|
this.save({lastMessage: null, timestamp: null}); // archive
|
|
}.bind(this));
|
|
},
|
|
|
|
getName: function() {
|
|
if (this.isPrivate()) {
|
|
return this.get('name');
|
|
} else {
|
|
return this.get('name') || 'Unknown group';
|
|
}
|
|
},
|
|
|
|
getTitle: function() {
|
|
if (this.isPrivate()) {
|
|
return this.get('name') || this.getNumber();
|
|
} else {
|
|
return this.get('name') || 'Unknown group';
|
|
}
|
|
},
|
|
|
|
getNumber: function() {
|
|
if (!this.isPrivate()) {
|
|
return '';
|
|
}
|
|
var number = this.id;
|
|
try {
|
|
var parsedNumber = libphonenumber.parse(number);
|
|
var regionCode = libphonenumber.getRegionCodeForNumber(parsedNumber);
|
|
if (regionCode === storage.get('regionCode')) {
|
|
return libphonenumber.format(parsedNumber, libphonenumber.PhoneNumberFormat.NATIONAL);
|
|
} else {
|
|
return libphonenumber.format(parsedNumber, libphonenumber.PhoneNumberFormat.INTERNATIONAL);
|
|
}
|
|
} catch (e) {
|
|
return number;
|
|
}
|
|
},
|
|
|
|
isPrivate: function() {
|
|
return this.get('type') === 'private';
|
|
},
|
|
|
|
revokeAvatarUrl: function() {
|
|
if (this.avatarUrl) {
|
|
URL.revokeObjectURL(this.avatarUrl);
|
|
this.avatarUrl = null;
|
|
}
|
|
},
|
|
|
|
updateAvatarUrl: function(silent) {
|
|
this.revokeAvatarUrl();
|
|
var avatar = this.get('avatar');
|
|
if (avatar) {
|
|
this.avatarUrl = URL.createObjectURL(
|
|
new Blob([avatar.data], {type: avatar.contentType})
|
|
);
|
|
} else {
|
|
this.avatarUrl = null;
|
|
}
|
|
if (!silent) {
|
|
this.trigger('change');
|
|
}
|
|
},
|
|
getColor: function() {
|
|
var title = this.get('name');
|
|
var color = this.get('color');
|
|
if (!color) {
|
|
if (this.isPrivate()) {
|
|
if (title) {
|
|
color = COLORS[Math.abs(this.hashCode()) % 15];
|
|
} else {
|
|
color = 'grey';
|
|
}
|
|
} else {
|
|
color = 'default';
|
|
}
|
|
}
|
|
return color;
|
|
},
|
|
getAvatar: function() {
|
|
if (this.avatarUrl === undefined) {
|
|
this.updateAvatarUrl(true);
|
|
}
|
|
|
|
var title = this.get('name');
|
|
var color = this.getColor();
|
|
|
|
if (this.avatarUrl) {
|
|
return { url: this.avatarUrl, color: color };
|
|
} else if (this.isPrivate()) {
|
|
return {
|
|
color: color,
|
|
content: title ? title.trim()[0] : '#'
|
|
};
|
|
} else {
|
|
return { url: '/images/group_default.png', color: color };
|
|
}
|
|
},
|
|
|
|
getNotificationIcon: function() {
|
|
return new Promise(function(resolve) {
|
|
var avatar = this.getAvatar();
|
|
if (avatar.url) {
|
|
resolve(avatar.url);
|
|
} else {
|
|
resolve(new Whisper.IdenticonSVGView(avatar).getDataUrl());
|
|
}
|
|
}.bind(this));
|
|
},
|
|
|
|
notify: function(message) {
|
|
if (!message.isIncoming()) {
|
|
return;
|
|
}
|
|
if (window.isOpen() && window.isFocused()) {
|
|
return;
|
|
}
|
|
window.drawAttention();
|
|
var sender = ConversationController.create({
|
|
id: message.get('source'), type: 'private'
|
|
});
|
|
var conversationId = this.id;
|
|
sender.fetch().then(function() {
|
|
sender.getNotificationIcon().then(function(iconUrl) {
|
|
console.log('adding notification');
|
|
Whisper.Notifications.add({
|
|
title : sender.getTitle(),
|
|
message : message.getNotificationText(),
|
|
iconUrl : iconUrl,
|
|
imageUrl : message.getImageUrl(),
|
|
conversationId : conversationId,
|
|
messageId : message.id
|
|
});
|
|
});
|
|
});
|
|
},
|
|
hashCode: function() {
|
|
if (this.hash === undefined) {
|
|
var string = this.getTitle() || '';
|
|
if (string.length === 0) {
|
|
return 0;
|
|
}
|
|
var hash = 0;
|
|
for (var i = 0; i < string.length; i++) {
|
|
hash = ((hash<<5)-hash) + string.charCodeAt(i);
|
|
hash = hash & hash; // Convert to 32bit integer
|
|
}
|
|
|
|
this.hash = hash;
|
|
}
|
|
return this.hash;
|
|
}
|
|
});
|
|
|
|
Whisper.ConversationCollection = Backbone.Collection.extend({
|
|
database: Whisper.Database,
|
|
storeName: 'conversations',
|
|
model: Whisper.Conversation,
|
|
|
|
comparator: function(m) {
|
|
return -m.get('timestamp');
|
|
},
|
|
|
|
destroyAll: function () {
|
|
return Promise.all(this.models.map(function(m) {
|
|
return new Promise(function(resolve, reject) {
|
|
m.destroy().then(resolve).fail(reject);
|
|
});
|
|
}));
|
|
},
|
|
|
|
search: function(query) {
|
|
query = query.trim().toLowerCase();
|
|
if (query.length > 0) {
|
|
query = query.replace(/[-.\(\)]*/g,'').replace(/^\+(\d*)$/, '$1');
|
|
var lastCharCode = query.charCodeAt(query.length - 1);
|
|
var nextChar = String.fromCharCode(lastCharCode + 1);
|
|
var upper = query.slice(0, -1) + nextChar;
|
|
return new Promise(function(resolve) {
|
|
this.fetch({
|
|
index: {
|
|
name: 'search', // 'search' index on tokens array
|
|
lower: query,
|
|
upper: upper,
|
|
excludeUpper: true
|
|
}
|
|
}).always(resolve);
|
|
}.bind(this));
|
|
}
|
|
},
|
|
|
|
fetchAlphabetical: function() {
|
|
return new Promise(function(resolve) {
|
|
this.fetch({
|
|
index: {
|
|
name: 'search', // 'search' index on tokens array
|
|
},
|
|
limit: 100
|
|
}).always(resolve);
|
|
}.bind(this));
|
|
},
|
|
|
|
fetchGroups: function(number) {
|
|
return new Promise(function(resolve) {
|
|
this.fetch({
|
|
index: {
|
|
name: 'group',
|
|
only: number
|
|
}
|
|
}).always(resolve);
|
|
}.bind(this));
|
|
},
|
|
|
|
fetchActive: function() {
|
|
// Ensures all active conversations are included in this collection,
|
|
// and updates their attributes, but removes nothing.
|
|
return this.fetch({
|
|
index: {
|
|
name: 'inbox', // 'inbox' index on active_at
|
|
order: 'desc' // ORDER timestamp DESC
|
|
// TODO pagination/infinite scroll
|
|
// limit: 10, offset: page*10,
|
|
},
|
|
remove: false
|
|
});
|
|
}
|
|
});
|
|
|
|
Whisper.Conversation.COLORS = COLORS.concat(['grey', 'default']).join(' ');
|
|
|
|
// Special collection for fetching all the groups a certain number appears in
|
|
Whisper.GroupCollection = Backbone.Collection.extend({
|
|
database: Whisper.Database,
|
|
storeName: 'conversations',
|
|
model: Whisper.Conversation,
|
|
fetchGroups: function(number) {
|
|
return new Promise(function(resolve) {
|
|
this.fetch({
|
|
index: {
|
|
name: 'group',
|
|
only: number
|
|
}
|
|
}).always(resolve);
|
|
}.bind(this));
|
|
}
|
|
});
|
|
})();
|