/** * Proxy to access Google **[event resources](https://developers.google.com/google-apps/calendar/v3/reference/events)**. */Ext.define('Ext.google.data.EventsProxy', { extend: 'Ext.google.data.AbstractProxy', alias: 'proxy.google-events', googleApis: { 'calendar': { version: 'v3' } }, /** * @method buildApiRequests * @protected * @inheritdoc */ buildApiRequests: function(request) { var me = this, action = request.getAction(); switch (action) { case 'read': return me.buildReadApiRequests(request); case 'create': return me.buildCreateApiRequests(request); case 'update': return me.buildUpdateApiRequests(request); case 'destroy': return me.buildDestroyApiRequests(request); default: Ext.raise('unsupported request: events.' + action); return null; } }, /** * @method extractResponseData * @protected * @inheritdoc */ extractResponseData: function(response) { var me = this, data = me.callParent(arguments), items = []; Ext.each(data.results, function(result) { switch (result.kind) { case 'calendar#events': items = items.concat(result.items.map(me.fromApiEvent.bind(me))); break; case 'calendar#event': items.push(me.fromApiEvent(result)); break; default: break; } }); return { items: me.sanitizeItems(items), success: data.success, error: data.error }; }, privates: { // https://developers.google.com/google-apps/calendar/v3/reference/events toApiEvent: function(data, allDay) { var res = {}; Ext.Object.each(data, function(key, value) { var dateTime = null, date = null; switch (key) { case 'calendarId': case 'description': res[key] = value; break; case 'id': res.eventId = value; break; case 'title': res.summary = value; break; case 'startDate': case 'endDate': if (allDay) { date = new Date(value); date.setHours(0, -date.getTimezoneOffset()); date = Ext.Date.format(date, 'Y-m-d'); } else { dateTime = Ext.Date.format(new Date(value), 'c'); } // Need to explicitly set unused date field to null // http://stackoverflow.com/a/35658479 res[key.slice(0, -4)] = { date: date, dateTime: dateTime }; break; default: break; } }); return res; }, // https://developers.google.com/google-apps/calendar/v3/reference/events fromApiEvent: function(data) { var res = { allDay: true }; Ext.Object.each(data, function(key, value) { var date, offset, allDay; switch (key) { case 'id': case 'description': res[key] = value; break; case 'summary': res.title = value; break; case 'start': case 'end': date = Ext.Date.parse(value.dateTime || value.date, 'C'); offset = date.getTimezoneOffset(); allDay = !!value.date; // IMPORTANT: all day events must have their time equal to 00:00 GMT if (allDay && offset !== 0) { date.setHours(0, -offset); } res[key + 'Date'] = date; res.allDay = res.allDay && allDay; break; default: break; } }); return res; }, // See https://developers.google.com/google-apps/calendar/v3/reference/events/list buildReadApiRequests: function(request) { // by default, the API returns max 250 events per request, up to 2500. Since we // don't have control on the min & max requested times, and don't know how many // events will be returned, let's split requests per 3 months and set maxResults // to 2500 (~26 events per day - should be enough!?). var rparams = request.getParams(), start = new Date(rparams.startDate), end = new Date(rparams.endDate), requests = [], next; while (start < end) { next = Ext.Date.add(start, Ext.Date.MONTH, 3); if (next > end) { next = end; } requests.push(gapi.client.calendar.events.list({ calendarId: rparams.calendar, timeMin: Ext.Date.format(start, 'C'), timeMax: Ext.Date.format(next, 'C'), singleEvents: true, maxResults: 2500 })); start = next; } return requests; }, // https://developers.google.com/google-apps/calendar/v3/reference/events/insert buildCreateApiRequests: function(request) { var record = request.getRecords()[0]; // batch not currently supported! return gapi.client.calendar.events.insert( this.toApiEvent( request.getJsonData(), record.get('allDay'))); }, // https://developers.google.com/google-apps/calendar/v3/reference/events/patch // https://developers.google.com/google-apps/calendar/v3/reference/events/move buildUpdateApiRequests: function(request) { var record = request.getRecords()[0], // batch not currently supported! params = this.toApiEvent(request.getJsonData(), record.get('allDay')), prevCalendarId = record.getModified('calendarId'), currCalendarId = record.get('calendarId'), eventId = record.getId(), requests = []; // REQUIRED fields for the patch API params.calendarId = currCalendarId; params.eventId = eventId; if (prevCalendarId && prevCalendarId !== currCalendarId) { // The event has been moved to another calendar requests.push(gapi.client.calendar.events.move({ destination: currCalendarId, calendarId: prevCalendarId, eventId: eventId })); } if (Object.keys(params).length > 2) { // There is fields to update other than the calendarId + eventId requests.push(gapi.client.calendar.events.patch(params)); } return requests; }, // https://developers.google.com/google-apps/calendar/v3/reference/events/delete buildDestroyApiRequests: function(request) { var record = request.getRecords()[0]; // batch not currently supported! data = request.getJsonData(); // The current calendar implementation nullifies the calendar ID before deleting // it, so let's get it from the previous values if not anymore in data. data.calendarId = data.calendarId || record.get('calendarId') || record.getPrevious('calendarId'); // ['delete'] to make YUI happy return gapi.client.calendar.events['delete']({ 'calendarId': data.calendarId, 'eventId': data.id }); } }});