implemented coodle ical comp and corresponding endpoint

application/config/routes.php

@@ -71,6 +71,8 @@ $route['Cis/StgOrgLvPlan/.*'] = 'Cis/StgOrgLvPlan/index/$1';
 $route['Cis/Coodle'] = 'Cis/Coodle';
 
 $route['CoodleFreeBusy/(:any)'] = 'api/frontend/v1/coodle/FreeBusy/getCoodleFreeBusy/$1';
+$route['CoodleIcal/encrypted/(:any)'] = 'api/frontend/v1/coodle/CoodleSurvey/getCoodleIcalEncrypted/$1';
+$route['CoodleIcal/(:any)'] = 'api/frontend/v1/coodle/CoodleSurvey/getCoodleIcal/$1';
 
 $route['Abgabetool/Assistenz'] = 'Cis/Abgabetool/Assistenz';
 $route['Abgabetool/Assistenz/(:any)'] = 'Cis/Abgabetool/Assistenz/$1';

application/controllers/api/frontend/v1/coodle/CoodleSurvey.php

@@ -23,6 +23,8 @@ class CoodleSurvey extends FHCAPI_Controller
 {
 
 	protected $coodlePageUrl;
+	protected $coodleIcalUrl;
+	protected $coodleIcalUrlWithEncryptedUid;
 
 	/**
 	 * Object initialization
@@ -40,9 +42,13 @@ class CoodleSurvey extends FHCAPI_Controller
 			'cancelSurvey' => self::PERM_LOGGED,
 			'completeSurvey' => self::PERM_LOGGED,
 			'sendVotingReminders' => self::PERM_LOGGED,
+			'getCoodleIcalUrl' => self::PERM_LOGGED,
+			'getCoodleIcal' => self::PERM_ANONYMOUS,
+			'getCoodleIcalEncrypted' => self::PERM_ANONYMOUS,
 		]);
 
 		$this->load->library('form_validation');
+		$this->load->library('CryptLib');
 		$this->load->model('person/Person_model', 'PersonModel');
 		$this->load->model('ressource/CoodleSurvey_model', 'CoodleSurveyModel');
 		$this->load->model('ressource/CoodleSurveyTimeslot_model', 'CoodleSurveyTimeslotModel');
@@ -51,6 +57,8 @@ class CoodleSurvey extends FHCAPI_Controller
 		$this->load->helper('hlp_sancho_helper');
 
 		$this->coodlePageUrl = APP_ROOT . "cis.php/Cis/Coodle";
+		$this->coodleIcalUrl = APP_ROOT . "cis.php/CoodleIcal/{uid}";
+		$this->coodleIcalUrlWithEncryptedUid = APP_ROOT . "cis.php/CoodleIcal/encrypted/{encryptedUid}";
 	}
 
 	//------------------------------------------------------------------------------------------------------------------
@@ -726,6 +734,44 @@ class CoodleSurvey extends FHCAPI_Controller
 		$this->terminateWithSuccess();
 	}
 
+	public function getCoodleIcalUrl()
+	{
+		$uid = getAuthUID();
+
+		$encryptedUid = $this->cryptlib->RIJNDAEL_256_ECB(str_pad($uid, 32, chr(0)), LVPLAN_CYPHER_KEY, true);
+		$encryptedUid = base64_encode($encryptedUid);
+		$encryptedUid = str_replace(array('+', '/', '='), array('-', '_', ''), $encryptedUid);
+		$encryptedUid = trim($encryptedUid);
+
+		$unencryptedUrl = str_replace("{uid}", $uid, $this->coodleIcalUrl);
+		$encryptedUrl = str_replace("{encryptedUid}", $encryptedUid, $this->coodleIcalUrlWithEncryptedUid);
+
+		$this->terminateWithSuccess([
+			"unencryptedUrl" => $unencryptedUrl,
+			"encryptedUrl" => $encryptedUrl,
+		]);
+	}
+
+	public function getCoodleIcal($uid)
+	{
+		$coodleIcalFilePath = $this->_getCoodleIcal($uid, false);
+		$this->terminateWithFileOutput("text/calendar", file_get_contents($coodleIcalFilePath), "coodle_ical.ics");
+	}
+
+	public function getCoodleIcalEncrypted($encryptedUid)
+	{
+		$data = str_replace(array('-', '_'), array('+', '/'), $encryptedUid);
+		$mod4 = strlen($data) % 4;
+		if ($mod4) {
+			$data .= substr('====', $mod4);
+		}
+		$decodedData = base64_decode($data);
+
+		$uid = trim($this->cryptlib->RIJNDAEL_256_ECB_DECRYPT($decodedData, LVPLAN_CYPHER_KEY, true));
+
+		$coodleIcalFilePath = $this->_getCoodleIcal($uid, true);
+		$this->terminateWithFileOutput("text/calendar", file_get_contents($coodleIcalFilePath), "coodle_ical.ics");
+	}
 
 	// -----------------------------------------------------------------------------------------------------------------
 	// Private methods
@@ -865,4 +911,68 @@ class CoodleSurvey extends FHCAPI_Controller
 		fwrite($calendarFile, "END:VEVENT" . PHP_EOL);
 		fwrite($calendarFile, "END:VCALENDAR");
 	}
+
+	private function _getCoodleIcal($uid, $shouldIncludeIdentifyingInformation)
+	{
+		$activeParticipantEntries = $this->CoodleSurveyParticipantModel->getActiveParticipantEntriesByUid($uid);
+		$selectedTimeslotIds = [];
+		foreach ($activeParticipantEntries as $participantEntry) {
+			if ($participantEntry->selection === null)
+				continue;
+
+			$selectedTimeslotIds = array_merge($selectedTimeslotIds, json_decode($participantEntry->selection));
+		}
+
+		$events = [];
+		$localTimezone = new DateTimeZone("Europe/Vienna");
+		$utcTimezone = new DateTimeZone("UTC");
+		foreach ($selectedTimeslotIds as $timeslotId) {
+			$timeslot = $this->CoodleSurveyTimeslotModel->getTimeslot($timeslotId);
+			if (!$timeslot)
+				continue;
+
+			$survey = $this->CoodleSurveyModel->getSurvey($timeslot->survey_id);
+
+			$startTime = new DateTime($timeslot->starts_at, $localTimezone);
+			$endTime = new DateTime($timeslot->starts_at, $localTimezone);
+			$endTime->modify("+$survey->timeslot_duration minutes");
+
+			$startTime->setTimezone($utcTimezone);
+			$endTime->setTimezone($utcTimezone);
+
+			$surveyCreatorFullName = getData($this->PersonModel->getFullName($survey->creator_uid));
+
+			$formattedStartTime = $startTime->format("Ymd\THis\Z");
+			$formattedEndTime = $endTime->format("Ymd\THis\Z");
+			$events[] = [
+				"id" => "coodle_termin_option_" . $survey->id . "_" . $formattedStartTime . "_" . $formattedEndTime,
+				"summary" => "Coodle Terminoption" . ($shouldIncludeIdentifyingInformation ? " $survey->title" : ""),
+				"description" => $shouldIncludeIdentifyingInformation ? "Erstellt von " . $surveyCreatorFullName : "",
+				"start" => $formattedStartTime,
+				"end" => $formattedEndTime,
+			];
+		}
+
+		$coodleIcalFilePath = tempnam(sys_get_temp_dir(), "coodle_ical_");
+
+		$coodleIcalFile = fopen($coodleIcalFilePath, "w");
+		fwrite($coodleIcalFile, "BEGIN:VCALENDAR" . PHP_EOL);
+		fwrite($coodleIcalFile, "VERSION:2.0" . PHP_EOL);
+		fwrite($coodleIcalFile, "PRDODID:" . CAMPUS_NAME . PHP_EOL);
+
+		foreach ($events as $event) {
+			fwrite($coodleIcalFile, "BEGIN:VEVENT" . PHP_EOL);
+			fwrite($coodleIcalFile, "UID:" . $event["id"] . PHP_EOL);
+			fwrite($coodleIcalFile, "SUMMARY:" . $event["summary"] . PHP_EOL);
+			fwrite($coodleIcalFile, "DESCRIPTION:" . $event["description"] . PHP_EOL);
+			fwrite($coodleIcalFile, "DTSTART:" . $event["start"] . PHP_EOL);
+			fwrite($coodleIcalFile, "DTNED:" . $event["end"] . PHP_EOL);
+			fwrite($coodleIcalFile, "TRANS:OPAQUE" . PHP_EOL);
+			fwrite($coodleIcalFile, "END:VEVENT" . PHP_EOL);
+		}
+
+		fwrite($coodleIcalFile, "END:VCALENDAR");
+
+		return $coodleIcalFilePath;
+	}
 }

application/libraries/CryptLib.php

@@ -25,4 +25,17 @@ class CryptLib
 
 		return $cipher->encrypt($value);
 	}
-}
+
+	public static function RIJNDAEL_256_ECB_DECRYPT($value, $key, $paddingDisabled = false)
+	{
+		if (isEmptyString($value) || isEmptyString($key)) return null;
+
+		$cipher = new Rijndael(Rijndael::MODE_ECB);
+		$cipher->setBlockLength(256);
+		$cipher->setKey($key);
+
+		if ($paddingDisabled === true) $cipher->disablePadding();
+
+		return $cipher->decrypt($value);
+	}
+}

application/models/ressource/CoodleSurveyParticipant_model.php

@@ -32,6 +32,20 @@ class CoodleSurveyParticipant_model extends DB_Model
 		return $this->execQuery($query)->retval;
 	}
 
+	public function getActiveParticipantEntriesByUid($uid)
+	{
+		$query = "SELECT
+		surveyParticipant.survey_id as survey_id,
+		surveyParticipant.participant_uid as participant_uid,
+		surveyParticipant.selection as selection
+		FROM $this->dbTable surveyParticipant
+		JOIN campus.tbl_coodle_surveys survey ON(survey.id = surveyParticipant.survey_id)
+		WHERE surveyParticipant.participant_uid = '$uid'
+		AND survey.completed_at IS NULL
+		AND survey.canceled_at IS NULL";
+		return $this->execQuery($query)->retval;
+	}
+
 	public function updateParticipants($surveyId, $participants, $timeslots)
 	{
 		$participantUids = array_map(function ($participant) {

public/js/api/factory/coodle.js

@@ -108,4 +108,10 @@ export default {
 			},
 		};
 	},
+	getCoodleIcalLink() {
+		return {
+			method: "get",
+			url: "/api/frontend/v1/coodle/CoodleSurvey/getCoodleIcalUrl",
+		};
+	},
 };

public/js/components/Cis/Coodle/Components/CoodleIcal.js

@@ -0,0 +1,59 @@
+import CoodleApi from "../../../../api/factory/coodle.js";
+
+export default {
+	name: "CoodleIcal",
+	props: {
+		authUid: String | null,
+	},
+	data() {
+		return {
+			icalLink: "",
+			encryptedIcalLink: "",
+		};
+	},
+	computed: {
+		isDarkMode() {
+			return this.$theme.theme_name.value == "dark";
+		},
+		link() {
+			return this.icalLink;
+		},
+	},
+	methods: {
+		async getIcalLink() {
+			const icalLinkResponse = await this.$api.call(CoodleApi.getCoodleIcalLink());
+			if (icalLinkResponse.meta.status === "success") {
+				this.icalLink = icalLinkResponse.data.unencryptedUrl;
+				this.encryptedIcalLink = icalLinkResponse.data.encryptedUrl;
+				console.log(icalLinkResponse);
+				console.log(this.icalLink);
+				console.log(this.encryptedIcalLink);
+			}
+		},
+	},
+	async created() {
+		await this.getIcalLink();
+		console.log(this.icalLink);
+				console.log(this.encryptedIcalLink);
+	},
+	template: /*html*/ `
+	<div class="card" style="min-height:100%">
+		<div class="card-body">
+			<div class="d-flex flex-column gap-3">
+				<span>
+					{{ "You can integrate your selections from active Coodle surveys into your preferred calendar application. To do so, import the .ics file from one of the following links." }}
+				</span>
+				<span>
+					{{ "To exclude identifiable survey data: " }}
+					<a v-if="icalLink?.length" :href="icalLink" target="_blank">{{ icalLink }}</a>
+				</span>
+				<span>
+					{{ "To include identifiable survey data: " }}
+					<a v-if="encryptedIcalLink?.length" :href="encryptedIcalLink" target="_blank">{{ encryptedIcalLink }}</a>
+				</span>
+								
+			</div>
+		</div>
+	</div>
+	`,
+};

public/js/components/Cis/Coodle/Components/CoodleSurvey.js

@@ -371,7 +371,6 @@ export default {
 						</div>
 					</div>
 				</div>
-			</div>
 				<coodle-survey-basic-info
 					v-model:surveyFormDataModelValue="surveyFormData"
 					:survey="$props.survey"

public/js/components/Cis/Coodle/Coodle.js

@@ -2,6 +2,7 @@ import ActiveCoodleSurveys from "./Components/ActiveCoodleSurveys.js";
 import InactiveCoodleSurveys from "./Components/InactiveCoodleSurveys.js";
 import CoodleSurvey from "./Components/CoodleSurvey.js";
 import CoodleFreeBusy from "./Components/CoodleFreeBusy.js";
+import CoodleIcal from "./Components/CoodleIcal.js";
 
 import ApiAuthinfo from "../../../api/factory/authinfo.js";
 import CoodleApi from "../../../api/factory/coodle.js";
@@ -13,6 +14,7 @@ export default {
 		InactiveCoodleSurveys,
 		CoodleSurvey,
 		CoodleFreeBusy,
+		CoodleIcal,
 	},
 	data() {
 		return {
@@ -141,6 +143,16 @@ export default {
 					</div>
 					<span class="text-nowrap">{{ "FreeBusy Settings" }}</span>
 				</div>
+				<div
+					@click="switchToTab('ical')"
+					:class="getTabStylingClass(view === 'ical')"
+					class="btn d-flex flex-row gap-2 align-items-center py-2"
+				>
+					<div>
+						<i class="fa-solid fa-calendar fa-lg"></i>
+					</div>
+					<span class="text-nowrap">{{ "Coodle iCal" }}</span>
+				</div>
 			</div>
 		</div>
 		<div class="flex-grow-1 mt-1">
@@ -161,6 +173,7 @@ export default {
 				:authInfo="authInfo"
 			/>
 			<coodle-free-busy v-else-if="view === 'freeBusySettings'" :authUid="authInfo?.uid" />
+			<coodle-ical v-else-if="view === 'ical'" :authUid="authInfo?.uid" />
 		</div>
 	</div>`,
 };