CalendarPermissions.js

/**
* @file CalendarPermissions.js
* @desc 
* Code for Calendar Blade: for sharing calendars.
* 
**/
var defaultCalendarBodyTemplate, defaultCalendarSubjectTemplate

function _initCalendarPermissions () {
    defaultCalendarBodyTemplate = 'We have given <<Username>> read access to the following calendars: <<CalendarsRead>>\nWe have given them write access to the following calendars: <<CalendarsWrite>>'
    defaultCalendarSubjectTemplate = 'Calendars Shared'
}

function createCalendarFormAndConfig (calendarIDs, form) {
	var ret = {}
	ret.form = createCalendarAddForm(calendarIDs,form);
	ret.configTable = {
		'Username':'%Username',
		'CalendarsRead':'@Calendars (Read Access)>>Calendar',
		'CalendarsWrite':'@Calendars (Write Access)>>Calendar',
		'CalendarKey':calendarIDs.map(function (cid) {
          return Calendar.Calendars.get(cid).summary
          //return CalendarApp.getCalendarById(cid).getName()
		}),
		'CalendarVal':calendarIDs,
		'InformFormUser':'True',
		'EmailSubject':defaultCalendarSubjectTemplate,
		'EmailBody':defaultCalendarBodyTemplate,
		'NeedsAuthorization':'True',
		'Authorize':'@FormUser>>AuthorizedUser',
		'AuthorizedUserKey':['user@foo.bar','user@boo.bang','Default'],
		'AuthorizedUserVal':[1,1,0],
	} // end configTable
	return ret; 
} // end createCalendarFormAndConfig



function createCalendarAddForm (calendarIDs, form) {
  if (!form) {
    form = FormApp.create("Add Calendar Form");
    form.setTitle('Add Calendar Form');
    form.setCollectEmail(true);
    Logger.log('Created form: '+form.getPublishedUrl());    
    form.addTextItem()    
    .setTitle("Username")
    .setHelpText("Name of User Who Will be Added To Calendars");    
  };  
  form.addSectionHeaderItem().setTitle("Calendars");
  var readCB = form.addCheckboxItem();  
  readCB.setTitle("Calendars (Read Access)");
  var writeCB = form.addCheckboxItem();
  var choices = []
  writeCB.setTitle("Calendars (Write Access)");
  calendarIDs.forEach( function (calendarID) {
    Logger.log('Add calendar ID '+calendarID);
    //try {
    //  var cal = CalendarApp.getCalendarById(calendarID);
    //  var name = cal.getName();
    //}
    //catch (err) {
    //  Logger.log('Error fetching calendar: %s: %s',calendarID, err);
    var cal = Calendar.Calendars.get(calendarID)
    var name = cal.summary      
    //}
    Logger.log('Calendar: '+cal+' name:'+name);
    choices.push(readCB.createChoice(name));
    //writeCB.createChoice(name);
  }); // end forEach calendarID
  readCB.setChoices(choices);
  writeCB.setChoices(choices);
  return form;
}

function checkAuthorization (results, config) {
	var conf = lookupFields(config,results);
	if (! conf.NeedsAuthorization) { return true; }
	if (conf.Authorize) {return true;}
	else {
		Logger.log('Form not authorized (User %s, conf %s)',conf.FormUser,conf);
		sendEmailFromTemplate(conf.FormUser,'Unauthorized attempt',
													'You attempted to use a form that is meant to trigger actions you are not authorized to perform. If you believe you should have access to the form, please email <a href="thinkle@innovationcharter.org">thinkle@innovationcharter.org</a>.\n\nDetailed technical information about what you were trying to do:\n'+shortStringify(conf))
		return false
	}
}

function addUserToCalendarFromForm (results, calConfig) { //, informConfig, emailConfig) {
	if (! checkAuthorization(results,calConfig)) {
		Logger.log('Unauthorized use attempted.')
		return false;
	}
	var calendarSettings = lookupFields(calConfig,results);	
	var user = calendarSettings.Username;
  var calResults = {'Username':user, 'CalendarsRead':[],'CalendarsWrite':[]}
	if (calendarSettings.CalendarsRead) {
		calendarSettings.CalendarsRead.forEach( function (c) {
			logVerbose('add user %s to calendar %s',user,c)
			var success = addUserToCalendar(user,c,'reader');
			if (success) {
				try {
					calResults.CalendarsRead.push(
						//CalendarApp.getCalendarById(c).getName()
            Calendar.Calendars.get(c).summary
          );
				}
				catch (err) {
					if (! calResults.CalendarsFailedRead) {calResults.CalendarsFailedRead = []};
					calResults.CalendarsFailedRead.push(c);
					logAlways('Error %s logging calendar %s',err,c);
					
				}
				}
		}) // end forEach CalendarsRead
	}
	if (calendarSettings.CalendarsWrite) {
		calendarSettings.CalendarsWrite.forEach( function (c) {
			logVerbose('add user %s to calendar %s',user,c)
			var success = addUserToCalendar(user,c,'writer');
			if (success) {
				try {
					calResults.CalendarsWrite.push(
            Calendar.Calendars.get(c).summary
					//CalendarApp.getCalendarById(c).getName()
					);
				}
				catch (err) {
					if (! calResults.CalendarsFailedWrite) {calResults.CalendarsFailedWrite = []};
					calResults.CalendarsFailedWrite.push(c);
					logAlways('Error %s logging calendar %s',err,c);
				}
			}
		}) // end forEach CalnedarsWrite
	}
  logNormal('Added calendars: %s',JSON.stringify(calResults));
  // Handle Emailing out update...
  //informList = lookupField(informSettings, results);
	if (calendarSettings.InformFormUser) {
    informList = results.FormUser;
		if (calResults.CalendarsWrite || calResults.CalendarsRead) {
			sendEmailFromTemplate (informList, calendarSettings.EmailSubject, calendarSettings.EmailBody, calResults, true)
		}
  }
	return {'settings':calendarSettings,'results':calResults}
	//sendEmailUpdate(user,calsAdded);
}

function addUserToCalendar (user, calendarId, role) {
  if (! role) {role='reader'};
  var calendarId = calendarId;
  var acl = {
    scope: {
      type: 'user',
      value: user
    },
    role: role
  };
  try {
		Calendar.Acl.insert(acl, calendarId);
		logNormal('Added %s to calendar %s',user,calendarId);
  }
  catch (err) {
    Logger.log("Error adding calendar: "+err)
		emailError('Error adding '+user+' to calendar '+calendarId+' role: '+role,err,{'subject':'Script error adding user to calendar'});
    //throw err;
    return false
  }
  return true;
}

function testAddUser () {
	user = 'Fake.Faculty@innovationcharter.org'
	allSchool =  'innovationcharter.org_4f5nt4qijeoblj11aj2q7hibdc@group.calendar.google.com' // All School
	addUserToCalendar(user,allSchool,'reader');
	hsCal = 'innovationcharter.org_0a0e0ddepor9shl5kfsvsvbt4c@group.calendar.google.com';
	addUserToCalendar(user,hsCal,'reader');
}

function testCreateForm () {
  var form = createCalendarAddForm(
    ['innovationcharter.org_4f5nt4qijeoblj11aj2q7hibdc@group.calendar.google.com','innovationcharter.org_0a0e0ddepor9shl5kfsvsvbt4c@group.calendar.google.com']
    )
  form.get
}

function testCreateCalendarFormAndConfig () {
	var ss = SpreadsheetApp.openById('1-mHEuYtRNQDtQO1vX0WY49RsB6noRXQuV_sBLUl0DJ0');
	createCalendarFormAndConfig(
    ['innovationcharter.org_4f5nt4qijeoblj11aj2q7hibdc@group.calendar.google.com','innovationcharter.org_0a0e0ddepor9shl5kfsvsvbt4c@group.calendar.google.com','innovationcharter.org_f18ij5fhojmf19fnjtlkcs0gvo@group.calendar.google.com']
	);
}