Coverage for src/couchers/notifications/render.py: 87%

1import logging 

2from dataclasses import dataclass 

3 

4from couchers import urls 

5from couchers.notifications.quick_links import generate_quick_decline_link, generate_unsub_topic_action 

6from couchers.templates.v2 import v2avatar, v2date, v2esc, v2phone, v2timestamp 

7from couchers.utils import now, to_aware_datetime 

8from proto import notification_data_pb2 

9 

10logger = logging.getLogger(__name__) 

11 

12 

13@dataclass(kw_only=True) 

14class RenderedNotification: 

15 # whether the notification is critical and cannot be turned off 

16 is_critical: bool = False 

17 # whether this email can be sent to someone who is deleted 

18 allow_deleted: bool = False 

19 # email subject 

20 email_subject: str 

21 # shows up when listing emails in many clients 

22 email_preview: str 

23 # corresponds to .mjml + .txt file in templates/v2 

24 email_template_name: str 

25 # other template args 

26 email_template_args: dict 

27 # the link label on the topic_action unsubscribe link 

28 email_topic_action_unsubscribe_text: str = None 

29 # the link label on the topic_key unsubscribe link 

30 email_topic_key_unsubscribe_text: str = None 

31 # url to unsubscribe with one click 

32 email_list_unsubscribe_url: str = None 

33 # push notification title 

34 push_title: str 

35 # push notification content 

36 push_body: str 

37 # url to an icon for push notifications 

38 push_icon: str 

39 # url to where clicking on the notification should take you 

40 push_url: str 

41 

42 

43def render_notification(user, notification) -> RenderedNotification: 

44 data = notification.topic_action.data_type.FromString(notification.data) 

45 if notification.topic == "host_request": 

46 view_link = urls.host_request(host_request_id=data.host_request.host_request_id) 

47 if notification.action == "missed_messages": 

48 their_your = "their" if data.am_host else "your" 

49 other = data.user 

50 # "declined your host request", or similar 

51 message = f"{other.name} sent you message(s) in {their_your} host request" 

52 return RenderedNotification( 

53 email_subject=message, 

54 email_preview=message, 

55 email_template_name="host_request__plain", 

56 email_template_args={ 

57 "view_link": view_link, 

58 "host_request": data.host_request, 

59 "message": message, 

60 "other": other, 

61 }, 

62 email_topic_action_unsubscribe_text="missed messages in host requests", 

63 push_title=message, 

64 push_body="Check the app for more info.", 

65 push_icon=v2avatar(other), 

66 push_url=view_link, 

67 ) 

68 elif notification.action == "create": 

69 other = data.surfer 

70 message = f"{other.name} sent you a host request" 

71 return RenderedNotification( 

72 email_subject=message, 

73 email_preview=message, 

74 email_template_name="host_request__new", 

75 email_template_args={ 

76 "view_link": view_link, 

77 "quick_decline_link": generate_quick_decline_link(data.host_request), 

78 "host_request": data.host_request, 

79 "message": message, 

80 "other": other, 

81 "text": data.text, 

82 }, 

83 email_topic_action_unsubscribe_text="new host requests", 

84 push_title=f"{message}", 

85 push_body=f"Dates: {v2date(data.host_request.from_date, user)} to {v2date(data.host_request.to_date, user)}.\n\n{data.text}", 

86 push_icon=v2avatar(other), 

87 push_url=view_link, 

88 ) 

89 elif notification.action == "message": 

90 other = data.user 

91 if data.am_host: 

92 message = f"{other.name} sent you a message in their host request" 

93 else: 

94 message = f"{other.name} sent you a message in your host request" 

95 topic_action_unsub_text = "messages in host request" 

96 return RenderedNotification( 

97 email_subject=message, 

98 email_preview=message, 

99 email_template_name="host_request__message", 

100 email_template_args={ 

101 "view_link": view_link, 

102 "host_request": data.host_request, 

103 "message": message, 

104 "other": other, 

105 "text": data.text, 

106 }, 

107 email_topic_action_unsubscribe_text=topic_action_unsub_text, 

108 push_title=f"{message}", 

109 push_body=f"Dates: {v2date(data.host_request.from_date, user)} to {v2date(data.host_request.to_date, user)}.\n\n{data.text}", 

110 push_icon=v2avatar(other), 

111 push_url=view_link, 

112 ) 

113 elif notification.action in ["accept", "reject", "confirm", "cancel"]: 

114 if notification.action in ["accept", "reject"]: 

115 other = data.host 

116 their_your = "your" 

117 else: 

118 other = data.surfer 

119 their_your = "their" 

120 actioned = { 

121 "accept": "accepted", 

122 "reject": "declined", 

123 "confirm": "confirmed", 

124 "cancel": "cancelled", 

125 }[notification.action] 

126 # "declined your host request", or similar 

127 message = f"{other.name} {actioned} {their_your} host request" 

128 return RenderedNotification( 

129 email_subject=message, 

130 email_preview=message, 

131 email_template_name="host_request__plain", 

132 email_template_args={ 

133 "view_link": view_link, 

134 "host_request": data.host_request, 

135 "message": message, 

136 "other": other, 

137 }, 

138 email_topic_action_unsubscribe_text=f"{actioned} host requests", 

139 push_title=message, 

140 push_body="Check the app for more info.", 

141 push_icon=v2avatar(other), 

142 push_url=view_link, 

143 ) 

144 elif notification.action == "reminder": 

145 message = f"You have a pending host request from {data.surfer.name}!" 

146 description = "Please respond to the request!" 

147 return RenderedNotification( 

148 email_subject=message, 

149 email_preview=description, 

150 email_template_name="host_request__plain", 

151 email_template_args={ 

152 "view_link": view_link, 

153 "host_request": data.host_request, 

154 "message": description, 

155 "other": data.surfer, 

156 }, 

157 email_topic_action_unsubscribe_text="Pending host request reminders", 

158 push_title=message, 

159 push_body=description, 

160 push_icon=v2avatar(data.surfer), 

161 push_url=view_link, 

162 ) 

163 elif notification.topic_action.display == "password:change": 

164 title = "Your password was changed" 

165 message = "Your login password for Couchers.org was changed." 

166 return RenderedNotification( 

167 is_critical=True, 

168 email_subject=title, 

169 email_preview=message, 

170 email_template_name="security", 

171 email_template_args={ 

172 "title": title, 

173 "message": message, 

174 }, 

175 push_title=title, 

176 push_body=message, 

177 push_icon=urls.icon_url(), 

178 push_url=urls.account_settings_link(), 

179 ) 

180 elif notification.topic_action.display == "password_reset:start": 

181 message = "Someone initiated a password change on your account." 

182 return RenderedNotification( 

183 is_critical=True, 

184 email_subject="Reset your Couchers.org password", 

185 email_preview=message, 

186 email_template_name="password_reset", 

187 email_template_args={ 

188 "password_reset_link": urls.password_reset_link(password_reset_token=data.password_reset_token) 

189 }, 

190 push_title="A password reset was initiated on your account", 

191 push_body=message, 

192 push_icon=urls.icon_url(), 

193 push_url=urls.account_settings_link(), 

194 ) 

195 elif notification.topic_action.display == "password_reset:complete": 

196 title = "Your password was successfully reset" 

197 message = "Your password on Couchers.org was changed. If that was you, then no further action is needed." 

198 return RenderedNotification( 

199 is_critical=True, 

200 email_subject=title, 

201 email_preview=title, 

202 email_template_name="security", 

203 email_template_args={ 

204 "title": title, 

205 "message": message, 

206 }, 

207 push_title=title, 

208 push_body=message, 

209 push_icon=urls.icon_url(), 

210 push_url=urls.account_settings_link(), 

211 ) 

212 elif notification.topic_action.display == "email_address:change": 

213 title = "An email change was initiated on your account" 

214 message = f"An email change to the email <b>{data.new_email}</b> was initiated on your account." 

215 message_plain = f"An email change to the email {data.new_email} was initiated on your account." 

216 return RenderedNotification( 

217 is_critical=True, 

218 email_subject=title, 

219 email_preview=title, 

220 email_template_name="security", 

221 email_template_args={ 

222 "title": title, 

223 "message": message, 

224 }, 

225 push_title=title, 

226 push_body=message_plain, 

227 push_icon=urls.icon_url(), 

228 push_url=urls.account_settings_link(), 

229 ) 

230 elif notification.topic_action.display == "email_address:verify": 

231 title = "Email change completed" 

232 message = "Your new email address has been verified." 

233 return RenderedNotification( 

234 is_critical=True, 

235 email_subject=title, 

236 email_preview=message, 

237 email_template_name="security", 

238 email_template_args={ 

239 "title": title, 

240 "message": message, 

241 }, 

242 push_title=title, 

243 push_body=message, 

244 push_icon=urls.icon_url(), 

245 push_url=urls.account_settings_link(), 

246 ) 

247 elif notification.topic_action.display == "phone_number:change": 

248 title = "Phone verification started" 

249 message = f"You started phone number verification with the number <b>{v2phone(data.phone)}</b>." 

250 message_plain = f"You started phone number verification with the number {v2phone(data.phone)}." 

251 return RenderedNotification( 

252 is_critical=True, 

253 email_subject=title, 

254 email_preview=message, 

255 email_template_name="security", 

256 email_template_args={ 

257 "title": title, 

258 "message": message, 

259 }, 

260 push_title=title, 

261 push_body=message_plain, 

262 push_icon=urls.icon_url(), 

263 push_url=urls.feature_preview_link(), 

264 ) 

265 elif notification.topic_action.display == "phone_number:verify": 

266 title = "Phone successfully verified" 

267 message = f"Your phone was successfully verified as <b>{v2phone(data.phone)}</b> on Couchers.org." 

268 message_plain = f"Your phone was successfully verified as {v2phone(data.phone)} on Couchers.org." 

269 return RenderedNotification( 

270 is_critical=True, 

271 email_subject=title, 

272 email_preview=message_plain, 

273 email_template_name="security", 

274 email_template_args={ 

275 "title": title, 

276 "message": message, 

277 }, 

278 push_title=title, 

279 push_body=message_plain, 

280 push_icon=urls.icon_url(), 

281 push_url=urls.feature_preview_link(), 

282 ) 

283 elif notification.topic_action.display == "gender:change": 

284 title = "Your gender was changed" 

285 message = f"Your gender on Couchers.org was changed to <b>{data.gender}</b> by an admin." 

286 message_plain = f"Your gender on Couchers.org was changed to {data.gender} by an admin." 

287 return RenderedNotification( 

288 is_critical=True, 

289 email_subject=title, 

290 email_preview=message_plain, 

291 email_template_name="security", 

292 email_template_args={ 

293 "title": title, 

294 "message": message, 

295 }, 

296 push_title=title, 

297 push_body=message_plain, 

298 push_icon=urls.icon_url(), 

299 push_url=urls.account_settings_link(), 

300 ) 

301 elif notification.topic_action.display == "birthdate:change": 

302 title = "Your date of birth was changed" 

303 message = ( 

304 f"Your date of birth on Couchers.org was changed to <b>{v2date(data.birthdate, user)}</b> by an admin." 

305 ) 

306 message_plain = f"Your date of birth on Couchers.org was changed to {v2date(data.birthdate, user)} by an admin." 

307 return RenderedNotification( 

308 is_critical=True, 

309 email_subject=title, 

310 email_preview=message_plain, 

311 email_template_name="security", 

312 email_template_args={ 

313 "title": title, 

314 "message": message, 

315 }, 

316 push_title=title, 

317 push_body=message_plain, 

318 push_icon=urls.icon_url(), 

319 push_url=urls.account_settings_link(), 

320 ) 

321 elif notification.topic_action.display == "api_key:create": 

322 return RenderedNotification( 

323 is_critical=True, 

324 email_subject="Your API key for Couchers.org", 

325 email_preview="We have issued you an API key as per your request.", 

326 email_template_name="api_key", 

327 email_template_args={ 

328 "api_key": data.api_key, 

329 "expiry": data.expiry, 

330 }, 

331 push_title="An API key was created for your account", 

332 push_body="Details were sent to you via email.", 

333 push_icon=urls.icon_url(), 

334 push_url=urls.app_link(), 

335 ) 

336 elif notification.topic_action.display in ["badge:add", "badge:remove"]: 

337 actioned = "added to" if notification.action == "add" else "removed from" 

338 title = f"The {data.badge_name} badge was {actioned} your profile" 

339 return RenderedNotification( 

340 email_subject=title, 

341 email_preview=title, 

342 email_template_name="badge", 

343 email_template_args={ 

344 "badge_name": data.badge_name, 

345 "actioned": actioned, 

346 "unsub_type": "badge additions" if notification.action == "add" else "badge removals", 

347 }, 

348 email_topic_action_unsubscribe_text="badge additions" if notification.action == "add" else "badge removals", 

349 push_title=title, 

350 push_body=( 

351 "Check out your profile to see the new badge!" 

352 if notification.action == "add" 

353 else "You can see all your badges on your profile." 

354 ), 

355 push_icon=urls.icon_url(), 

356 push_url=urls.profile_link(), 

357 email_list_unsubscribe_url=generate_unsub_topic_action(notification), 

358 ) 

359 elif notification.topic_action.display == "donation:received": 

360 title = "Thank you for your donation to Couchers.org!" 

361 message = f"Thank you so much for your donation of ${data.amount} to Couchers.org." 

362 return RenderedNotification( 

363 is_critical=True, 

364 email_subject=title, 

365 email_preview=message, 

366 email_template_name="donation_received", 

367 email_template_args={ 

368 "amount": data.amount, 

369 "receipt_url": data.receipt_url, 

370 }, 

371 push_title=title, 

372 push_body=message, 

373 push_icon=urls.icon_url(), 

374 push_url=data.receipt_url, 

375 ) 

376 elif notification.topic_action.display == "friend_request:create": 

377 other = data.other_user 

378 preview = f"You've received a friend request from {other.name}" 

379 return RenderedNotification( 

380 email_subject=f"{other.name} wants to be your friend on Couchers.org!", 

381 email_preview=preview, 

382 email_template_name="friend_request", 

383 email_template_args={ 

384 "friend_requests_link": urls.friend_requests_link(), 

385 "other": other, 

386 }, 

387 email_topic_action_unsubscribe_text="new friend requests", 

388 push_title=f"{other.name} wants to be your friend", 

389 push_body=preview, 

390 push_icon=v2avatar(other), 

391 push_url=urls.friend_requests_link(), 

392 ) 

393 elif notification.topic_action.display == "friend_request:accept": 

394 other = data.other_user 

395 title = f"{other.name} accepted your friend request!" 

396 preview = f"{v2esc(other.name)} has accepted your friend request" 

397 return RenderedNotification( 

398 email_subject=title, 

399 email_preview=preview, 

400 email_template_name="friend_request_accepted", 

401 email_template_args={ 

402 "other_user_link": urls.user_link(username=other.username), 

403 "other": other, 

404 }, 

405 email_topic_action_unsubscribe_text="accepted friend requests", 

406 push_title=title, 

407 push_body=preview, 

408 push_icon=v2avatar(other), 

409 push_url=urls.user_link(username=other.username), 

410 ) 

411 elif notification.topic_action.display == "account_deletion:start": 

412 return RenderedNotification( 

413 is_critical=True, 

414 allow_deleted=True, 

415 email_subject="Confirm your Couchers.org account deletion", 

416 email_preview="Please confirm that you want to delete your Couchers.org account.", 

417 email_template_name="account_deletion_start", 

418 email_template_args={ 

419 "deletion_link": urls.delete_account_link(account_deletion_token=data.deletion_token), 

420 }, 

421 push_title="Account deletion initiated", 

422 push_body="Someone initiated the deletion of your Couchers.org account. To delete your account, please follow the link in the email we sent you.", 

423 push_icon=urls.icon_url(), 

424 push_url=urls.app_link(), 

425 ) 

426 elif notification.topic_action.display == "account_deletion:complete": 

427 title = "Your Couchers.org account has been deleted" 

428 return RenderedNotification( 

429 is_critical=True, 

430 allow_deleted=True, 

431 email_subject=title, 

432 email_preview="We have deleted your Couchers.org account, to undo, follow the link in this email.", 

433 email_template_name="account_deletion_complete", 

434 email_template_args={ 

435 "undelete_link": urls.recover_account_link(account_undelete_token=data.undelete_token), 

436 "days": data.undelete_days, 

437 }, 

438 push_title=title, 

439 push_body=f"You can still undo this by following the link we emailed to you within {data.undelete_days} days.", 

440 push_icon=urls.icon_url(), 

441 push_url=urls.app_link(), 

442 ) 

443 elif notification.topic_action.display == "account_deletion:recovered": 

444 title = "Your Couchers.org account has been recovered!" 

445 subtitle = "We have recovered your Couchers.org account as per your request! Welcome back!" 

446 return RenderedNotification( 

447 is_critical=True, 

448 allow_deleted=True, 

449 email_subject=title, 

450 email_preview=subtitle, 

451 email_template_name="account_deletion_recovered", 

452 email_template_args={ 

453 "app_link": urls.app_link(), 

454 }, 

455 push_title=title, 

456 push_body=subtitle, 

457 push_icon=urls.icon_url(), 

458 push_url=urls.app_link(), 

459 ) 

460 elif notification.topic_action.display == "chat:message": 

461 return RenderedNotification( 

462 email_subject=data.message, 

463 email_preview="You received a message on Couchers.org!", 

464 email_template_name="chat_message", 

465 email_template_args={ 

466 "author": data.author, 

467 "message": data.message, 

468 "text": data.text, 

469 "view_link": urls.chat_link(chat_id=data.group_chat_id), 

470 }, 

471 email_topic_action_unsubscribe_text="new chat messages", 

472 email_topic_key_unsubscribe_text="this chat (mute)", 

473 push_title=data.message, 

474 push_body=data.text, 

475 push_icon=v2avatar(data.author), 

476 push_url=urls.chat_link(chat_id=data.group_chat_id), 

477 ) 

478 elif notification.topic_action.display == "chat:missed_messages": 

479 return RenderedNotification( 

480 email_subject="You have unseen messages on Couchers.org!", 

481 email_preview="You missed some messages on the platform.", 

482 email_template_name="chat_unseen_messages", 

483 email_template_args={ 

484 "items": [ 

485 { 

486 "author": item.author, 

487 "message": item.message, 

488 "text": item.text, 

489 "view_link": urls.chat_link(chat_id=item.group_chat_id), 

490 } 

491 for item in data.messages 

492 ] 

493 }, 

494 email_topic_action_unsubscribe_text="unseen chat messages", 

495 push_title="You have unseen messages on Couchers.org", 

496 push_body="Please check out any messages you missed.", 

497 push_icon=urls.icon_url(), 

498 push_url=urls.messages_link(), 

499 ) 

500 elif notification.topic == "event": 

501 event = data.event 

502 time_display = f"{v2timestamp(event.start_time, user)} - {v2timestamp(event.end_time, user)}" 

503 event_link = urls.event_link(occurrence_id=event.event_id, slug=event.slug) 

504 if notification.action in ["create_approved", "create_any"]: 

505 # create_approved = invitation, approved by mods 

506 # create_any = new event created by anyone (no need for approval) -- off by default 

507 body = f"{time_display}\n" 

508 if notification.action == "create_approved": 

509 subject = f'{data.inviting_user.name} invited you to "{event.title}"' 

510 start_text = "You've been invited to a new event" 

511 body += f"Invited by {data.inviting_user.name}\n\n" 

512 elif notification.action == "create_any": 

513 subject = f'{data.inviting_user.name} created an event called "{event.title}"' 

514 start_text = "A new event was created" 

515 body += f"Created by {data.inviting_user.name}\n\n" 

516 body += event.content 

517 community_link = ( 

518 urls.community_link(node_id=data.in_community.community_id, slug=data.in_community.slug) 

519 if data.in_community 

520 else None 

521 ) 

522 return RenderedNotification( 

523 email_subject=subject, 

524 email_preview=f"{start_text} on Couchers.org!", 

525 email_template_name="event_create", 

526 email_template_args={ 

527 "inviting_user": data.inviting_user, 

528 "time_display": time_display, 

529 "start_text": start_text, 

530 "nearby": "nearby" if data.nearby else None, 

531 "community": data.in_community if data.in_community else None, 

532 "community_link": community_link, 

533 "event": event, 

534 "view_link": event_link, 

535 }, 

536 email_topic_action_unsubscribe_text=( 

537 "new events by community members" 

538 if notification.action == "create_any" 

539 else "invitations to events (approved by moderators)" 

540 ), 

541 push_title=subject, 

542 push_body=body, 

543 push_icon=v2avatar(data.inviting_user), 

544 push_url=event_link, 

545 ) 

546 elif notification.action == "update": 

547 updated_text = ", ".join(data.updated_items) 

548 body = f"{time_display}\n" 

549 body += f"{data.updating_user.name} updated: {updated_text}\n\n" 

550 body += event.content 

551 return RenderedNotification( 

552 email_subject=f'{data.updating_user.name} updated "{event.title}"', 

553 email_preview="An event you are subscribed to was updated.", 

554 email_template_name="event_update", 

555 email_template_args={ 

556 "updating_user": data.updating_user, 

557 "time_display": time_display, 

558 "event": event, 

559 "updated_text": updated_text, 

560 "view_link": event_link, 

561 }, 

562 email_topic_action_unsubscribe_text="event updates", 

563 push_title=f'{data.updating_user.name} updated "{event.title}"', 

564 push_body=body, 

565 push_icon=v2avatar(data.updating_user), 

566 push_url=event_link, 

567 ) 

568 elif notification.action == "cancel": 

569 body = f"{time_display}\n" 

570 body += f"The event has been cancelled by {data.cancelling_user.name}.\n\n" 

571 body += event.content 

572 return RenderedNotification( 

573 email_subject=f'{data.cancelling_user.name} cancelled "{event.title}"', 

574 email_preview="An event you are subscribed to has been cancelled.", 

575 email_template_name="event_cancel", 

576 email_template_args={ 

577 "cancelling_user": data.cancelling_user, 

578 "time_display": time_display, 

579 "event": event, 

580 "view_link": event_link, 

581 }, 

582 email_topic_action_unsubscribe_text="event cancellations", 

583 push_title=f'{data.cancelling_user.name} cancelled "{event.title}"', 

584 push_body=body, 

585 push_icon=v2avatar(data.cancelling_user), 

586 push_url=event_link, 

587 ) 

588 elif notification.action == "delete": 

589 return RenderedNotification( 

590 email_subject=f'A moderator deleted "{event.title}"', 

591 email_preview="An event you are subscribed to has been deleted.", 

592 email_template_name="event_delete", 

593 email_template_args={ 

594 "time_display": time_display, 

595 "event": event, 

596 }, 

597 email_topic_action_unsubscribe_text="event deletions", 

598 push_title=f'A moderator deleted "{event.title}"', 

599 push_body=f"{time_display}\nThe event has been deleted by the moderators.", 

600 push_icon=urls.icon_url(), 

601 push_url=urls.app_link(), 

602 ) 

603 elif notification.action == "invite_organizer": 

604 body = f"{time_display}\n" 

605 body += f"Invited to co-organize by {data.inviting_user.name}\n\n" 

606 body += event.content 

607 return RenderedNotification( 

608 email_subject=f'{data.inviting_user.name} invited you to co-organize "{event.title}"', 

609 email_preview="You were invited to co-organize an event on Couchers.org.", 

610 email_template_name="event_invite_organizer", 

611 email_template_args={ 

612 "inviting_user": data.inviting_user, 

613 "time_display": time_display, 

614 "event": event, 

615 "view_link": event_link, 

616 }, 

617 email_topic_action_unsubscribe_text="invitations to co-organize events", 

618 push_title=f'{data.inviting_user.name} invited you to co-organize "{event.title}"', 

619 push_body=body, 

620 push_icon=v2avatar(data.inviting_user), 

621 push_url=event_link, 

622 ) 

623 elif notification.action == "comment": 

624 body = f"{time_display}\n" 

625 body += f"{data.author.name} commented:\n\n" 

626 body += data.reply.content 

627 return RenderedNotification( 

628 email_subject=f'{data.author.name} commented on "{event.title}"', 

629 email_preview="Someone commented on an event you are attending.", 

630 email_template_name="event_comment", 

631 email_template_args={ 

632 "author": data.author, 

633 "time_display": time_display, 

634 "event": event, 

635 "content": data.reply.content, 

636 "view_link": event_link, 

637 }, 

638 email_topic_action_unsubscribe_text="event comments", 

639 push_title=f'{data.author.name} commented on "{event.title}"', 

640 push_body=body, 

641 push_icon=v2avatar(data.author), 

642 push_url=event_link, 

643 ) 

644 elif notification.action == "reminder": 

645 body = "Don't forget your upcoming event on Couchers.org\n" 

646 body += f"{time_display}\n" 

647 body += data.event.content 

648 return RenderedNotification( 

649 email_subject=f'Reminder: "{data.event.title}" starts soon', 

650 email_preview="Don't forget your upcoming event on Couchers.org", 

651 email_template_name="event_reminder", 

652 email_template_args={ 

653 "time_display": time_display, 

654 "event": event, 

655 "view_link": event_link, 

656 }, 

657 email_topic_action_unsubscribe_text="event reminders", 

658 push_title=f'"{data.event.title}" starts soon', 

659 push_body=body, 

660 push_icon=urls.icon_url(), 

661 push_url=event_link, 

662 ) 

663 elif notification.topic == "discussion": 

664 discussion = data.discussion 

665 discussion_link = urls.discussion_link(discussion_id=discussion.discussion_id, slug=discussion.slug) 

666 if notification.action == "create": 

667 body = f"{data.author.name} created a discussion in {discussion.owner_title}: {discussion.title}\n\n" 

668 body += discussion.content 

669 return RenderedNotification( 

670 email_subject=f'{data.author.name} created a discussion: "{discussion.title}"', 

671 email_preview="Someone created a discussion in a community or group you are subscribed to.", 

672 email_template_name="discussion_create", 

673 email_template_args={ 

674 "author": data.author, 

675 "discussion": discussion, 

676 "view_link": discussion_link, 

677 }, 

678 email_topic_action_unsubscribe_text="new discussions", 

679 push_title=discussion.title, 

680 push_body=body, 

681 push_icon=v2avatar(data.author), 

682 push_url=discussion_link, 

683 ) 

684 elif notification.action == "comment": 

685 body = f"{data.author.name} commented:\n\n" 

686 body += data.reply.content 

687 return RenderedNotification( 

688 email_subject=f'{data.author.name} commented on "{discussion.title}"', 

689 email_preview="Someone commented on your discussion.", 

690 email_template_name="discussion_comment", 

691 email_template_args={ 

692 "author": data.author, 

693 "discussion": discussion, 

694 "reply": data.reply, 

695 "view_link": discussion_link, 

696 }, 

697 email_topic_action_unsubscribe_text="discussion comments", 

698 push_title=discussion.title, 

699 push_body=body, 

700 push_icon=v2avatar(data.author), 

701 push_url=discussion_link, 

702 ) 

703 elif notification.topic_action.display == "thread:reply": 

704 parent = data.WhichOneof("reply_parent") 

705 if parent == "event": 

706 title = data.event.title 

707 view_link = urls.event_link(occurrence_id=data.event.event_id, slug=data.event.slug) 

708 elif parent == "discussion": 

709 title = data.discussion.title 

710 view_link = urls.discussion_link(discussion_id=data.discussion.discussion_id, slug=data.discussion.slug) 

711 else: 

712 raise Exception("Can only do replies to events and discussions") 

713 

714 body = f"{data.author.name} replied:\n\n" 

715 body += data.reply.content 

716 return RenderedNotification( 

717 email_subject=f'{data.author.name} replied in "{title}"', 

718 email_preview="Someone replied in a comment thread you have participated in.", 

719 email_template_name="comment_reply", 

720 email_template_args={ 

721 "author": data.author, 

722 "title": title, 

723 "reply": data.reply, 

724 "view_link": view_link, 

725 }, 

726 email_topic_action_unsubscribe_text="comment replies", 

727 push_title=title, 

728 push_body=body, 

729 push_icon=v2avatar(data.author), 

730 push_url=view_link, 

731 ) 

732 elif notification.topic == "reference": 

733 if notification.action == "receive_friend": 

734 title = f"You've received a friend reference from {data.from_user.name}!" 

735 return RenderedNotification( 

736 email_subject=title, 

737 email_preview=v2esc(data.text), 

738 email_template_name="friend_reference", 

739 email_template_args={ 

740 "from_user": data.from_user, 

741 "profile_references_link": urls.profile_references_link(), 

742 "text": data.text, 

743 }, 

744 email_topic_action_unsubscribe_text="new references from friends", 

745 push_title=title, 

746 push_body=data.text, 

747 push_icon=v2avatar(data.from_user), 

748 push_url=urls.profile_references_link(), 

749 ) 

750 elif notification.action in ["receive_hosted", "receive_surfed"]: 

751 title = f"You've received a reference from {data.from_user.name}!" 

752 # what was my type? i surfed with them if i received a "hosted" request 

753 surfed = notification.action == "receive_hosted" 

754 leave_reference_link = urls.leave_reference_link( 

755 reference_type="surfed" if surfed else "hosted", 

756 to_user_id=data.from_user.user_id, 

757 host_request_id=data.host_request_id, 

758 ) 

759 profile_references_link = urls.profile_references_link() 

760 if data.text: 

761 body = v2esc(data.text) 

762 push_url = profile_references_link 

763 else: 

764 body = "Please go and write a reference for them too. It's a nice gesture and helps us build a community together!" 

765 push_url = leave_reference_link 

766 return RenderedNotification(