Implemented reschedule mail and fixed bug that rescheduling weren't saved

lib/calendarClient.ts

@@ -2,6 +2,8 @@ import EventOwnerMail from "./emails/EventOwnerMail";
 import EventAttendeeMail from "./emails/EventAttendeeMail";
 import {v5 as uuidv5} from 'uuid';
 import short from 'short-uuid';
+import EventOwnerRescheduledMail from "./emails/EventOwnerRescheduledMail";
+import EventAttendeeRescheduledMail from "./emails/EventAttendeeRescheduledMail";
 
 const translator = short();
 
@@ -348,12 +350,23 @@ const createEvent = async (credential, calEvent: CalendarEvent): Promise<any> =>
   };
 };
 
-const updateEvent = (credential, uid: String, calEvent: CalendarEvent): Promise<any> => {
-    if (credential) {
-        return calendars([credential])[0].updateEvent(uid, calEvent);
+const updateEvent = async (credential, uidToUpdate: String, calEvent: CalendarEvent): Promise<any> => {
+  const newUid: string = translator.fromUUID(uuidv5(JSON.stringify(calEvent), uuidv5.URL));
+
+  const updateResult = credential ? await calendars([credential])[0].updateEvent(uidToUpdate, calEvent) : null;
+
+  const ownerMail = new EventOwnerRescheduledMail(calEvent, newUid);
+  const attendeeMail = new EventAttendeeRescheduledMail(calEvent, newUid);
+  await ownerMail.sendEmail();
+
+  if (!updateResult || !updateResult.disableConfirmationEmail) {
+    await attendeeMail.sendEmail();
   }
 
-    return Promise.resolve({});
+  return {
+    uid: newUid,
+    updatedEvent: updateResult
+  };
 };
 
 const deleteEvent = (credential, uid: String): Promise<any> => {

lib/emails/EventAttendeeMail.ts

@@ -49,7 +49,7 @@ export default class EventAttendeeMail extends EventMail {
    *
    * @private
    */
-  private getInviteeStart(): Dayjs {
+  protected getInviteeStart(): Dayjs {
     return <Dayjs>dayjs(this.calEvent.startTime).tz(this.calEvent.attendees[0].timeZone);
   }
 }

lib/emails/EventAttendeeRescheduledMail.ts

@@ -0,0 +1,40 @@
+import EventAttendeeMail from "./EventAttendeeMail";
+
+export default class EventAttendeeRescheduledMail extends EventAttendeeMail {
+  /**
+   * Returns the email text as HTML representation.
+   *
+   * @protected
+   */
+  protected getHtmlRepresentation(): string {
+    return `
+    <div>
+      Hi ${this.calEvent.attendees[0].name},<br />
+      <br />
+      Your ${this.calEvent.type} with ${this.calEvent.organizer.name} has been rescheduled to ${this.getInviteeStart().format('h:mma')} 
+      (${this.calEvent.attendees[0].timeZone}) on ${this.getInviteeStart().format('dddd, LL')}.<br />
+      ` + this.getAdditionalFooter() + `
+    </div>
+  `;
+  }
+
+  /**
+   * Returns the payload object for the nodemailer.
+   *
+   * @protected
+   */
+  protected getNodeMailerPayload(): Object {
+    return {
+      to: `${this.calEvent.attendees[0].name} <${this.calEvent.attendees[0].email}>`,
+      from: `${this.calEvent.organizer.name} <${this.getMailerOptions().from}>`,
+      replyTo: this.calEvent.organizer.email,
+      subject: `Rescheduled: ${this.calEvent.type} with ${this.calEvent.organizer.name} on ${this.getInviteeStart().format('dddd, LL')}`,
+      html: this.getHtmlRepresentation(),
+      text: this.getPlainTextRepresentation(),
+    };
+  }
+
+  protected printNodeMailerError(error: string): void {
+    console.error("SEND_RESCHEDULE_CONFIRMATION_ERROR", this.calEvent.attendees[0].email, error);
+  }
+}

lib/emails/EventOwnerRescheduledMail.ts

@@ -0,0 +1,64 @@
+import dayjs, {Dayjs} from "dayjs";
+import EventOwnerMail from "./EventOwnerMail";
+
+export default class EventOwnerRescheduledMail extends EventOwnerMail {
+  /**
+   * Returns the email text as HTML representation.
+   *
+   * @protected
+   */
+  protected getHtmlRepresentation(): string {
+    return `
+      <div>
+        Hi ${this.calEvent.organizer.name},<br />
+        <br />
+        Your event has been rescheduled.<br />
+        <br />
+        <strong>Event Type:</strong><br />
+        ${this.calEvent.type}<br />
+        <br />
+        <strong>Invitee Email:</strong><br />
+        <a href="mailto:${this.calEvent.attendees[0].email}">${this.calEvent.attendees[0].email}</a><br />
+        <br />` + this.getAdditionalBody() +
+      (
+        this.calEvent.location ? `
+            <strong>Location:</strong><br />
+            ${this.calEvent.location}<br />
+            <br />
+          ` : ''
+      ) +
+      `<strong>Invitee Time Zone:</strong><br />
+        ${this.calEvent.attendees[0].timeZone}<br />
+        <br />
+        <strong>Additional notes:</strong><br />
+        ${this.calEvent.description}
+      ` + this.getAdditionalFooter() + `   
+      </div>
+    `;
+  }
+
+  /**
+   * Returns the payload object for the nodemailer.
+   *
+   * @protected
+   */
+  protected getNodeMailerPayload(): Object {
+    const organizerStart: Dayjs = <Dayjs>dayjs(this.calEvent.startTime).tz(this.calEvent.organizer.timeZone);
+
+    return {
+      icalEvent: {
+        filename: 'event.ics',
+        content: this.getiCalEventAsString(),
+      },
+      from: `Calendso <${this.getMailerOptions().from}>`,
+      to: this.calEvent.organizer.email,
+      subject: `Rescheduled event: ${this.calEvent.attendees[0].name} - ${organizerStart.format('LT dddd, LL')} - ${this.calEvent.type}`,
+      html: this.getHtmlRepresentation(),
+      text: this.getPlainTextRepresentation(),
+    };
+  }
+
+  protected printNodeMailerError(error: string): void {
+    console.error("SEND_RESCHEDULE_EVENT_NOTIFICATION_ERROR", this.calEvent.organizer.email, error);
+  }
+}

lib/videoClient.ts

@@ -4,6 +4,8 @@ import VideoEventOwnerMail from "./emails/VideoEventOwnerMail";
 import VideoEventAttendeeMail from "./emails/VideoEventAttendeeMail";
 import {v5 as uuidv5} from 'uuid';
 import short from 'short-uuid';
+import EventAttendeeRescheduledMail from "./emails/EventAttendeeRescheduledMail";
+import EventOwnerRescheduledMail from "./emails/EventOwnerRescheduledMail";
 
 const translator = short();
 
@@ -203,12 +205,27 @@ const createMeeting = async (credential, calEvent: CalendarEvent): Promise<any>
   };
 };
 
-const updateMeeting = (credential, uid: String, event: CalendarEvent): Promise<any> => {
-  if (credential) {
-    return videoIntegrations([credential])[0].updateMeeting(uid, event);
+const updateMeeting = async (credential, uidToUpdate: String, calEvent: CalendarEvent): Promise<any> => {
+  const newUid: string = translator.fromUUID(uuidv5(JSON.stringify(calEvent), uuidv5.URL));
+
+  if (!credential) {
+    throw new Error("Credentials must be set! Video platforms are optional, so this method shouldn't even be called when no video credentials are set.");
   }
 
-  return Promise.resolve({});
+  const updateResult = credential ? await videoIntegrations([credential])[0].updateMeeting(uidToUpdate, calEvent) : null;
+
+  const ownerMail = new EventOwnerRescheduledMail(calEvent, newUid);
+  const attendeeMail = new EventAttendeeRescheduledMail(calEvent, newUid);
+  await ownerMail.sendEmail();
+
+  if (!updateResult || !updateResult.disableConfirmationEmail) {
+    await attendeeMail.sendEmail();
+  }
+
+  return {
+    uid: newUid,
+    updatedEvent: updateResult
+  };
 };
 
 const deleteMeeting = (credential, uid: String): Promise<any> => {

pages/api/book/[user].ts

@@ -78,12 +78,21 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
     // Use all integrations
     results = results.concat(await async.mapLimit(calendarCredentials, 5, async (credential) => {
       const bookingRefUid = booking.references.filter((ref) => ref.type === credential.type)[0].uid;
-      return await updateEvent(credential, bookingRefUid, evt)
+      const response = await updateEvent(credential, bookingRefUid, evt);
+
+      return {
+        type: credential.type,
+        response
+      };
     }));
 
     results = results.concat(await async.mapLimit(videoCredentials, 5, async (credential) => {
       const bookingRefUid = booking.references.filter((ref) => ref.type === credential.type)[0].uid;
-      return await updateMeeting(credential, bookingRefUid, evt)
+      const response = await updateMeeting(credential, bookingRefUid, evt);
+      return {
+        type: credential.type,
+        response
+      };
     }));
 
     // Clone elements