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/*
* Copyright (C) 2016 Alex Yatskov <alex@foosoft.net>
* Author: Alex Yatskov <alex@foosoft.net>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class AnkiConnect {
constructor(server) {
this.server = server;
this.asyncPools = {};
this.localVersion = 2;
this.remoteVersion = null;
}
addNote(note) {
return this.checkVersion().then(() => this.ankiInvoke('addNote', {note}, null));
}
canAddNotes(notes) {
return this.checkVersion().then(() => this.ankiInvoke('canAddNotes', {notes}, 'notes'));
}
getDeckNames() {
return this.checkVersion().then(() => this.ankiInvoke('deckNames', {}, null));
}
getModelNames() {
return this.checkVersion().then(() => this.ankiInvoke('modelNames', {}, null));
}
getModelFieldNames(modelName) {
return this.checkVersion().then(() => this.ankiInvoke('modelFieldNames', {modelName}, null));
}
checkVersion() {
if (this.localVersion === this.remoteVersion) {
return Promise.resolve(true);
}
return this.ankiInvoke('version', {}, null).then(version => {
this.remoteVersion = version;
if (this.remoteVersion < this.localVersion) {
return Promise.reject('extension and plugin versions incompatible');
}
});
}
ankiInvoke(action, params, pool) {
return new Promise((resolve, reject) => {
if (pool !== null && this.asyncPools.hasOwnProperty(pool)) {
this.asyncPools[pool].abort();
}
const xhr = new XMLHttpRequest();
xhr.addEventListener('loadend', () => {
if (pool !== null) {
delete this.asyncPools[pool];
}
if (xhr.responseText) {
resolve(JSON.parse(xhr.responseText));
} else {
reject('unable to connect to plugin');
}
});
xhr.open('POST', this.server);
xhr.send(JSON.stringify({action, params}));
});
}
}
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