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/**
* Copyright Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// [START apps_script_sheets_custom_form_responses_quickstart]
/**
* A special function that inserts a custom menu when the spreadsheet opens.
*/
function onOpen() {
var menu = [{name: 'Set up conference', functionName: 'setUpConference_'}];
SpreadsheetApp.getActive().addMenu('Conference', menu);
}
/**
* A set-up function that uses the conference data in the spreadsheet to create
* Google Calendar events, a Google Form, and a trigger that allows the script
* to react to form responses.
*/
function setUpConference_() {
if (ScriptProperties.getProperty('calId')) {
Browser.msgBox('Your conference is already set up. Look in Google Drive!');
}
var ss = SpreadsheetApp.getActive();
var sheet = ss.getSheetByName('Conference Setup');
var range = sheet.getDataRange();
var values = range.getValues();
setUpCalendar_(values, range);
setUpForm_(ss, values);
ScriptApp.newTrigger('onFormSubmit').forSpreadsheet(ss).onFormSubmit()
.create();
ss.removeMenu('Conference');
}
/**
* Creates a Google Calendar with events for each conference session in the
* spreadsheet, then writes the event IDs to the spreadsheet for future use.
* @param {Array<string[]>} values Cell values for the spreadsheet range.
* @param {Range} range A spreadsheet range that contains conference data.
*/
function setUpCalendar_(values, range) {
var cal = CalendarApp.createCalendar('Conference Calendar');
for (var i = 1; i < values.length; i++) {
var session = values[i];
var title = session[0];
var start = joinDateAndTime_(session[1], session[2]);
var end = joinDateAndTime_(session[1], session[3]);
var options = {location: session[4], sendInvites: true};
var event = cal.createEvent(title, start, end, options)
.setGuestsCanSeeGuests(false);
session[5] = event.getId();
}
range.setValues(values);
// Store the ID for the Calendar, which is needed to retrieve events by ID.
ScriptProperties.setProperty('calId', cal.getId());
}
/**
* Creates a single Date object from separate date and time cells.
*
* @param {Date} date A Date object from which to extract the date.
* @param {Date} time A Date object from which to extract the time.
* @return {Date} A Date object representing the combined date and time.
*/
function joinDateAndTime_(date, time) {
date = new Date(date);
date.setHours(time.getHours());
date.setMinutes(time.getMinutes());
return date;
}
/**
* Creates a Google Form that allows respondents to select which conference
* sessions they would like to attend, grouped by date and start time.
*
* @param {Spreadsheet} ss The spreadsheet that contains the conference data.
* @param {Array<String[]>} values Cell values for the spreadsheet range.
*/
function setUpForm_(ss, values) {
// Group the sessions by date and time so that they can be passed to the form.
var schedule = {};
for (var i = 1; i < values.length; i++) {
var session = values[i];
var day = session[1].toLocaleDateString();
var time = session[2].toLocaleTimeString();
if (!schedule[day]) {
schedule[day] = {};
}
if (!schedule[day][time]) {
schedule[day][time] = [];
}
schedule[day][time].push(session[0]);
}
// Create the form and add a multiple-choice question for each timeslot.
var form = FormApp.create('Conference Form');
form.setDestination(FormApp.DestinationType.SPREADSHEET, ss.getId());
form.addTextItem().setTitle('Name').setRequired(true);
form.addTextItem().setTitle('Email').setRequired(true);
for (var day in schedule) {
var header = form.addSectionHeaderItem().setTitle('Sessions for ' + day);
for (var time in schedule[day]) {
var item = form.addMultipleChoiceItem().setTitle(time + ' ' + day)
.setChoiceValues(schedule[day][time]);
}
}
}
/**
* A trigger-driven function that sends out calendar invitations and a
* personalized Google Docs itinerary after a user responds to the form.
*
* @param {Object} e The event parameter for form submission to a spreadsheet;
* see https://developers.google.com/apps-script/understanding_events
*/
function onFormSubmit(e) {
var user = {name: e.namedValues['Name'][0], email: e.namedValues['Email'][0]};
// Grab the session data again so that we can match it to the user's choices.
var response = [];
var values = SpreadsheetApp.getActive().getSheetByName('Conference Setup')
.getDataRange().getValues();
for (var i = 1; i < values.length; i++) {
var session = values[i];
var title = session[0];
var day = session[1].toLocaleDateString();
var time = session[2].toLocaleTimeString();
var timeslot = time + ' ' + day;
// For every selection in the response, find the matching timeslot and title
// in the spreadsheet and add the session data to the response array.
if (e.namedValues[timeslot] && e.namedValues[timeslot] == title) {
response.push(session);
}
}
sendInvites_(user, response);
sendDoc_(user, response);
}
/**
* Add the user as a guest for every session he or she selected.
* @param {object} user An object that contains the user's name and email.
* @param {Array<String[]>} response An array of data for the user's session choices.
*/
function sendInvites_(user, response) {
var id = ScriptProperties.getProperty('calId');
var cal = CalendarApp.getCalendarById(id);
for (var i = 0; i < response.length; i++) {
cal.getEventSeriesById(response[i][5]).addGuest(user.email);
}
}
/**
* Create and share a personalized Google Doc that shows the user's itinerary.
* @param {object} user An object that contains the user's name and email.
* @param {Array<string[]>} response An array of data for the user's session choices.
*/
function sendDoc_(user, response) {
var doc = DocumentApp.create('Conference Itinerary for ' + user.name)
.addEditor(user.email);
var body = doc.getBody();
var table = [['Session', 'Date', 'Time', 'Location']];
for (var i = 0; i < response.length; i++) {
table.push([response[i][0], response[i][1].toLocaleDateString(),
response[i][2].toLocaleTimeString(), response[i][4]]);
}
body.insertParagraph(0, doc.getName())
.setHeading(DocumentApp.ParagraphHeading.HEADING1);
table = body.appendTable(table);
table.getRow(0).editAsText().setBold(true);
doc.saveAndClose();
// Email a link to the Doc as well as a PDF copy.
MailApp.sendEmail({
to: user.email,
subject: doc.getName(),
body: 'Thanks for registering! Here\'s your itinerary: ' + doc.getUrl(),
attachments: doc.getAs(MimeType.PDF)
});
}
// [END apps_script_sheets_custom_form_responses_quickstart]