All files / server/src/features/notifications emailNotificationWorker.ts

72.41% Statements 42/58
68.96% Branches 20/29
100% Functions 10/10
72.41% Lines 42/58

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231                                            60x 60x   60x 60x             109x 109x 109x                 109x   109x             109x 4x     105x 105x 4x   105x 101x                             105x 105x   38x   17x   10x           13x   10x           4x           13x                         38x     38x 4x     4x   38x       34x               17x               10x           10x                       13x           13x                       10x           10x                       4x           4x                       13x           13x            
import { config } from "shared/config";
import { EMAIL_REGEX } from "shared/constants/validation";
import { EmailSender } from "server/features/notifications/email";
import { findProgramItemById } from "server/features/program-item/programItemRepository";
import { findUser } from "server/features/user/userRepository";
import { logger } from "server/utils/logger";
import {
  NotificationTask,
  NotificationTaskType,
} from "server/utils/notificationQueue";
import {
  EmailMessage,
  buildEmail,
  getAcceptedEmailTemplate,
  getProgramItemCancelledEmailTemplate,
  getProgramItemDeletedEmailTemplate,
  getProgramItemNoKonstiSignupEmailTemplate,
  getProgramItemNoLotteryEmailTemplate,
  getProgramItemTimeChangedEmailTemplate,
  getRejectedEmailTemplate,
} from "./senderCommon";
 
export enum EmailNotificationOutcome {
  SENT = "sent",
  // The attendee has no valid email address, so there is nothing to send
  SKIPPED = "skipped",
  FAILED = "failed",
}
 
export async function emailNotificationWorker(
  sender: EmailSender,
  notification: NotificationTask,
): Promise<EmailNotificationOutcome> {
  try {
    const userResult = await findUser(notification.username);
    Iif (!userResult.ok) {
      logger.error(
        new Error(
          `Failed to fetch user to send email notification ${notification.username}`,
        ),
      );
      return EmailNotificationOutcome.FAILED;
    }
 
    const user = userResult.value;
 
    Iif (!user) {
      logger.error(
        `Trying to send email notification for unknown user ${notification.username}.`,
      );
      return EmailNotificationOutcome.FAILED;
    }
 
    if (!user.email || !EMAIL_REGEX.test(user.email)) {
      return EmailNotificationOutcome.SKIPPED;
    }
 
    const message = await generateEmail(user.email, notification);
    Iif (message === null) {
      return EmailNotificationOutcome.FAILED;
    }
    await sender.sendEmail(message);
    return EmailNotificationOutcome.SENT;
  } catch (error) {
    logger.error(
      new Error("Unexpected error in sending email notification", {
        cause: error,
      }),
    );
    return EmailNotificationOutcome.FAILED;
  }
}
 
async function generateEmail(
  email: string,
  notification: NotificationTask,
): Promise<EmailMessage | null> {
  const fromAddress = config.server().emailSendFromAddress;
  switch (notification.type) {
    case NotificationTaskType.SEND_EMAIL_ACCEPTED:
      return generateAcceptedEmail(email, fromAddress, notification);
    case NotificationTaskType.SEND_EMAIL_REJECTED:
      return generateRejectedEmail(email, fromAddress, notification);
    case NotificationTaskType.SEND_EMAIL_PROGRAM_ITEM_CANCELLED:
      return generateProgramItemCancelledEmail(
        email,
        fromAddress,
        notification,
      );
    case NotificationTaskType.SEND_EMAIL_PROGRAM_ITEM_DELETED:
      return generateProgramItemDeletedEmail(email, fromAddress, notification);
    case NotificationTaskType.SEND_EMAIL_PROGRAM_ITEM_NO_KONSTI_SIGNUP_ANYMORE:
      return generateProgramItemNoKonstiSignupEmail(
        email,
        fromAddress,
        notification,
      );
    case NotificationTaskType.SEND_EMAIL_PROGRAM_ITEM_NO_LOTTERY_ANYMORE:
      return generateProgramItemNoLotteryEmail(
        email,
        fromAddress,
        notification,
      );
    case NotificationTaskType.SEND_EMAIL_PROGRAM_ITEM_TIME_CHANGED:
      return generateProgramItemTimeChangedEmail(
        email,
        fromAddress,
        notification,
      );
  }
}
 
async function generateAcceptedEmail(
  email: string,
  fromAddress: string,
  notification: NotificationTask,
): Promise<EmailMessage | null> {
  const programItemResult = await findProgramItemById(
    notification.programItemId,
  );
  Iif (!programItemResult.ok) {
    logger.error(
      `Failed to found program for programItemId ${notification.programItemId}`,
    );
    return null;
  }
  const template = getAcceptedEmailTemplate(
    programItemResult.value.title,
    notification,
  );
  return buildEmail(template, email, fromAddress);
}
 
function generateRejectedEmail(
  email: string,
  fromAddress: string,
  notification: NotificationTask,
): EmailMessage {
  return buildEmail(getRejectedEmailTemplate(notification), email, fromAddress);
}
 
function generateProgramItemCancelledEmail(
  email: string,
  fromAddress: string,
  notification: NotificationTask,
): EmailMessage | null {
  Iif (!notification.programItemTitle) {
    logger.error(
      `Missing programItemTitle for notification type ${notification.type}, username ${notification.username}`,
    );
    return null;
  }
  return buildEmail(
    getProgramItemCancelledEmailTemplate(notification),
    email,
    fromAddress,
  );
}
 
function generateProgramItemDeletedEmail(
  email: string,
  fromAddress: string,
  notification: NotificationTask,
): EmailMessage | null {
  Iif (!notification.programItemTitle) {
    logger.error(
      `Missing programItemTitle for notification type ${notification.type}, username ${notification.username}`,
    );
    return null;
  }
  return buildEmail(
    getProgramItemDeletedEmailTemplate(notification),
    email,
    fromAddress,
  );
}
 
function generateProgramItemNoKonstiSignupEmail(
  email: string,
  fromAddress: string,
  notification: NotificationTask,
): EmailMessage | null {
  Iif (!notification.programItemTitle) {
    logger.error(
      `Missing programItemTitle for notification type ${notification.type}, username ${notification.username}`,
    );
    return null;
  }
  return buildEmail(
    getProgramItemNoKonstiSignupEmailTemplate(notification),
    email,
    fromAddress,
  );
}
 
function generateProgramItemNoLotteryEmail(
  email: string,
  fromAddress: string,
  notification: NotificationTask,
): EmailMessage | null {
  Iif (!notification.programItemTitle) {
    logger.error(
      `Missing programItemTitle for notification type ${notification.type}, username ${notification.username}`,
    );
    return null;
  }
  return buildEmail(
    getProgramItemNoLotteryEmailTemplate(notification),
    email,
    fromAddress,
  );
}
 
function generateProgramItemTimeChangedEmail(
  email: string,
  fromAddress: string,
  notification: NotificationTask,
): EmailMessage | null {
  Iif (!notification.programItemTitle) {
    logger.error(
      `Missing programItemTitle for notification type ${notification.type}, username ${notification.username}`,
    );
    return null;
  }
  return buildEmail(
    getProgramItemTimeChangedEmailTemplate(notification),
    email,
    fromAddress,
  );
}