Coverage for src/couchers/notifications/render.py: 86%

1import logging 

2from dataclasses import dataclass 

3from typing import Any 

4 

5from couchers import urls 

6from couchers.i18n.i18n import get_raw_translation_string 

7from couchers.models import Notification, User 

8from couchers.notifications.quick_links import generate_quick_decline_link, generate_unsub_topic_action 

9from couchers.proto import notification_data_pb2 

10from couchers.templates.v2 import v2avatar, v2date, v2esc, v2phone, v2timestamp 

11from couchers.utils import now, to_aware_datetime 

12 

13logger = logging.getLogger(__name__) 

14 

15 

16@dataclass(kw_only=True) 

17class RenderedNotification: 

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

19 is_critical: bool = False 

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

21 allow_deleted: bool = False 

22 # email subject 

23 email_subject: str 

24 # shows up when listing emails in many clients 

25 email_preview: str 

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

27 email_template_name: str 

28 # other template args 

29 email_template_args: dict[str, Any] 

30 # the link label on the topic_action unsubscribe link 

31 email_topic_action_unsubscribe_text: str | None = None 

32 # the link label on the topic_key unsubscribe link 

33 email_topic_key_unsubscribe_text: str | None = None 

34 # url to unsubscribe with one click 

35 email_list_unsubscribe_url: str | None = None 

36 # push notification title 

37 push_title: str 

38 # push notification content 

39 push_body: str 

40 # url to an icon for push notifications 

41 push_icon: str 

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

43 push_url: str 

44 

45 

46def render_notification(user: User, notification: Notification) -> RenderedNotification: 

47 def get_localized_string(component: str, message_id: str, *, substitutions: dict[str, str] | None = None) -> str: 

48 return get_raw_translation_string( 

49 user.ui_language_preference, component, message_id, substitutions=substitutions 

50 ) 

51 

52 data = notification.topic_action.data_type.FromString(notification.data) # type: ignore[attr-defined] 

53 if notification.topic == "host_request": 

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

55 if notification.action == "missed_messages": 

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

57 other = data.user 

58 # "declined your host request", or similar 

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

60 return RenderedNotification( 

61 email_subject=message, 

62 email_preview=message, 

63 email_template_name="host_request__plain", 

64 email_template_args={ 

65 "view_link": view_link, 

66 "host_request": data.host_request, 

67 "message": message, 

68 "other": other, 

69 }, 

70 email_topic_action_unsubscribe_text="missed messages in host requests", 

71 push_title=message, 

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

73 push_icon=v2avatar(other), 

74 push_url=view_link, 

75 ) 

76 elif notification.action == "create": 

77 other = data.surfer 

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

79 return RenderedNotification( 

80 email_subject=message, 

81 email_preview=message, 

82 email_template_name="host_request__new", 

83 email_template_args={ 

84 "view_link": view_link, 

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

86 "host_request": data.host_request, 

87 "message": message, 

88 "other": other, 

89 "text": data.text, 

90 }, 

91 email_topic_action_unsubscribe_text="new host requests", 

92 push_title=f"{message}", 

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

94 push_icon=v2avatar(other), 

95 push_url=view_link, 

96 ) 

97 elif notification.action == "message": 

98 other = data.user 

99 if data.am_host: 

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

101 else: 

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

103 topic_action_unsub_text = "messages in host request" 

104 return RenderedNotification( 

105 email_subject=message, 

106 email_preview=message, 

107 email_template_name="host_request__message", 

108 email_template_args={ 

109 "view_link": view_link, 

110 "host_request": data.host_request, 

111 "message": message, 

112 "other": other, 

113 "text": data.text, 

114 }, 

115 email_topic_action_unsubscribe_text=topic_action_unsub_text, 

116 push_title=f"{message}", 

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

118 push_icon=v2avatar(other), 

119 push_url=view_link, 

120 ) 

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

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

123 other = data.host 

124 their_your = "your" 

125 else: 

126 other = data.surfer 

127 their_your = "their" 

128 actioned = { 

129 "accept": "accepted", 

130 "reject": "declined", 

131 "confirm": "confirmed", 

132 "cancel": "cancelled", 

133 }[notification.action] 

134 # "declined your host request", or similar 

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

136 return RenderedNotification( 

137 email_subject=message, 

138 email_preview=message, 

139 email_template_name="host_request__plain", 

140 email_template_args={ 

141 "view_link": view_link, 

142 "host_request": data.host_request, 

143 "message": message, 

144 "other": other, 

145 }, 

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

147 push_title=message, 

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

149 push_icon=v2avatar(other), 

150 push_url=view_link, 

151 ) 

152 elif notification.action == "reminder": 

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

154 description = "Please respond to the request!" 

155 return RenderedNotification( 

156 email_subject=message, 

157 email_preview=description, 

158 email_template_name="host_request__plain", 

159 email_template_args={ 

160 "view_link": view_link, 

161 "host_request": data.host_request, 

162 "message": description, 

163 "other": data.surfer, 

164 }, 

165 email_topic_action_unsubscribe_text="Pending host request reminders", 

166 push_title=message, 

167 push_body=description, 

168 push_icon=v2avatar(data.surfer), 

169 push_url=view_link, 

170 ) 

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

172 title = "Your password was changed" 

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

174 return RenderedNotification( 

175 is_critical=True, 

176 email_subject=title, 

177 email_preview=message, 

178 email_template_name="security", 

179 email_template_args={ 

180 "title": title, 

181 "message": message, 

182 }, 

183 push_title=title, 

184 push_body=message, 

185 push_icon=urls.icon_url(), 

186 push_url=urls.account_settings_link(), 

187 ) 

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

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

190 return RenderedNotification( 

191 is_critical=True, 

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

193 email_preview=message, 

194 email_template_name="password_reset", 

195 email_template_args={ 

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

197 }, 

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

199 push_body=message, 

200 push_icon=urls.icon_url(), 

201 push_url=urls.account_settings_link(), 

202 ) 

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

204 title = "Your password was successfully reset" 

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

206 return RenderedNotification( 

207 is_critical=True, 

208 email_subject=title, 

209 email_preview=title, 

210 email_template_name="security", 

211 email_template_args={ 

212 "title": title, 

213 "message": message, 

214 }, 

215 push_title=title, 

216 push_body=message, 

217 push_icon=urls.icon_url(), 

218 push_url=urls.account_settings_link(), 

219 ) 

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

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

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

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

224 return RenderedNotification( 

225 is_critical=True, 

226 email_subject=title, 

227 email_preview=title, 

228 email_template_name="security", 

229 email_template_args={ 

230 "title": title, 

231 "message": message, 

232 }, 

233 push_title=title, 

234 push_body=message_plain, 

235 push_icon=urls.icon_url(), 

236 push_url=urls.account_settings_link(), 

237 ) 

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

239 title = "Email change completed" 

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

241 return RenderedNotification( 

242 is_critical=True, 

243 email_subject=title, 

244 email_preview=message, 

245 email_template_name="security", 

246 email_template_args={ 

247 "title": title, 

248 "message": message, 

249 }, 

250 push_title=title, 

251 push_body=message, 

252 push_icon=urls.icon_url(), 

253 push_url=urls.account_settings_link(), 

254 ) 

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

256 title = "Phone verification started" 

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

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

259 return RenderedNotification( 

260 is_critical=True, 

261 email_subject=title, 

262 email_preview=message, 

263 email_template_name="security", 

264 email_template_args={ 

265 "title": title, 

266 "message": message, 

267 }, 

268 push_title=title, 

269 push_body=message_plain, 

270 push_icon=urls.icon_url(), 

271 push_url=urls.feature_preview_link(), 

272 ) 

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

274 title = "Phone successfully verified" 

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

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

277 return RenderedNotification( 

278 is_critical=True, 

279 email_subject=title, 

280 email_preview=message_plain, 

281 email_template_name="security", 

282 email_template_args={ 

283 "title": title, 

284 "message": message, 

285 }, 

286 push_title=title, 

287 push_body=message_plain, 

288 push_icon=urls.icon_url(), 

289 push_url=urls.feature_preview_link(), 

290 ) 

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

292 title = "Your gender was changed" 

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

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

295 return RenderedNotification( 

296 is_critical=True, 

297 email_subject=title, 

298 email_preview=message_plain, 

299 email_template_name="security", 

300 email_template_args={ 

301 "title": title, 

302 "message": message, 

303 }, 

304 push_title=title, 

305 push_body=message_plain, 

306 push_icon=urls.icon_url(), 

307 push_url=urls.account_settings_link(), 

308 ) 

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

310 title = "Your date of birth was changed" 

311 message = ( 

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

313 ) 

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

315 return RenderedNotification( 

316 is_critical=True, 

317 email_subject=title, 

318 email_preview=message_plain, 

319 email_template_name="security", 

320 email_template_args={ 

321 "title": title, 

322 "message": message, 

323 }, 

324 push_title=title, 

325 push_body=message_plain, 

326 push_icon=urls.icon_url(), 

327 push_url=urls.account_settings_link(), 

328 ) 

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

330 return RenderedNotification( 

331 is_critical=True, 

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

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

334 email_template_name="api_key", 

335 email_template_args={ 

336 "api_key": data.api_key, 

337 "expiry": data.expiry, 

338 }, 

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

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

341 push_icon=urls.icon_url(), 

342 push_url=urls.app_link(), 

343 ) 

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

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

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

347 return RenderedNotification( 

348 email_subject=title, 

349 email_preview=title, 

350 email_template_name="badge", 

351 email_template_args={ 

352 "badge_name": data.badge_name, 

353 "actioned": actioned, 

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

355 }, 

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

357 push_title=title, 

358 push_body=( 

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

360 if notification.action == "add" 

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

362 ), 

363 push_icon=urls.icon_url(), 

364 push_url=urls.profile_link(), 

365 email_list_unsubscribe_url=generate_unsub_topic_action(notification), 

366 ) 

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

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

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

370 return RenderedNotification( 

371 is_critical=True, 

372 email_subject=title, 

373 email_preview=message, 

374 email_template_name="donation_received", 

375 email_template_args={ 

376 "amount": data.amount, 

377 "receipt_url": data.receipt_url, 

378 }, 

379 push_title=title, 

380 push_body=message, 

381 push_icon=urls.icon_url(), 

382 push_url=data.receipt_url, 

383 ) 

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

385 other = data.other_user 

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

387 return RenderedNotification( 

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

389 email_preview=preview, 

390 email_template_name="friend_request", 

391 email_template_args={ 

392 "friend_requests_link": urls.friend_requests_link(), 

393 "other": other, 

394 }, 

395 email_topic_action_unsubscribe_text="new friend requests", 

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

397 push_body=preview, 

398 push_icon=v2avatar(other), 

399 push_url=urls.friend_requests_link(), 

400 ) 

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

402 other = data.other_user 

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

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

405 return RenderedNotification( 

406 email_subject=title, 

407 email_preview=preview, 

408 email_template_name="friend_request_accepted", 

409 email_template_args={ 

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

411 "other": other, 

412 }, 

413 email_topic_action_unsubscribe_text="accepted friend requests", 

414 push_title=title, 

415 push_body=preview, 

416 push_icon=v2avatar(other), 

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

418 ) 

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

420 return RenderedNotification( 

421 is_critical=True, 

422 allow_deleted=True, 

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

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

425 email_template_name="account_deletion_start", 

426 email_template_args={ 

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

428 }, 

429 push_title="Account deletion initiated", 

430 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.", 

431 push_icon=urls.icon_url(), 

432 push_url=urls.app_link(), 

433 ) 

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

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

436 return RenderedNotification( 

437 is_critical=True, 

438 allow_deleted=True, 

439 email_subject=title, 

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

441 email_template_name="account_deletion_complete", 

442 email_template_args={ 

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

444 "days": data.undelete_days, 

445 }, 

446 push_title=title, 

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

448 push_icon=urls.icon_url(), 

449 push_url=urls.app_link(), 

450 ) 

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

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

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

454 return RenderedNotification( 

455 is_critical=True, 

456 allow_deleted=True, 

457 email_subject=title, 

458 email_preview=subtitle, 

459 email_template_name="account_deletion_recovered", 

460 email_template_args={ 

461 "app_link": urls.app_link(), 

462 }, 

463 push_title=title, 

464 push_body=subtitle, 

465 push_icon=urls.icon_url(), 

466 push_url=urls.app_link(), 

467 ) 

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

469 return RenderedNotification( 

470 email_subject=data.message, 

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

472 email_template_name="chat_message", 

473 email_template_args={ 

474 "author": data.author, 

475 "message": data.message, 

476 "text": data.text, 

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

478 }, 

479 email_topic_action_unsubscribe_text="new chat messages", 

480 email_topic_key_unsubscribe_text="this chat (mute)", 

481 push_title=data.message, 

482 push_body=data.text, 

483 push_icon=v2avatar(data.author), 

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

485 ) 

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

487 return RenderedNotification( 

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

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

490 email_template_name="chat_unseen_messages", 

491 email_template_args={ 

492 "items": [ 

493 { 

494 "author": item.author, 

495 "message": item.message, 

496 "text": item.text, 

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

498 } 

499 for item in data.messages 

500 ] 

501 }, 

502 email_topic_action_unsubscribe_text="unseen chat messages", 

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

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

505 push_icon=urls.icon_url(), 

506 push_url=urls.messages_link(), 

507 ) 

508 elif notification.topic == "event": 

509 event = data.event 

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

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

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

513 # create_approved = invitation, approved by mods 

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

515 body = f"{time_display}\n" 

516 if notification.action == "create_approved": 

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

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

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

520 elif notification.action == "create_any": 

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

522 start_text = "A new event was created" 

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

524 body += event.content 

525 community_link = ( 

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

527 if data.in_community 

528 else None 

529 ) 

530 return RenderedNotification( 

531 email_subject=subject, 

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

533 email_template_name="event_create", 

534 email_template_args={ 

535 "inviting_user": data.inviting_user, 

536 "time_display": time_display, 

537 "start_text": start_text, 

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

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

540 "community_link": community_link, 

541 "event": event, 

542 "view_link": event_link, 

543 }, 

544 email_topic_action_unsubscribe_text=( 

545 "new events by community members" 

546 if notification.action == "create_any" 

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

548 ), 

549 push_title=subject, 

550 push_body=body, 

551 push_icon=v2avatar(data.inviting_user), 

552 push_url=event_link, 

553 ) 

554 elif notification.action == "update": 

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

556 body = f"{time_display}\n" 

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

558 body += event.content 

559 return RenderedNotification( 

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

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

562 email_template_name="event_update", 

563 email_template_args={ 

564 "updating_user": data.updating_user, 

565 "time_display": time_display, 

566 "event": event, 

567 "updated_text": updated_text, 

568 "view_link": event_link, 

569 }, 

570 email_topic_action_unsubscribe_text="event updates", 

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

572 push_body=body, 

573 push_icon=v2avatar(data.updating_user), 

574 push_url=event_link, 

575 ) 

576 elif notification.action == "cancel": 

577 body = f"{time_display}\n" 

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

579 body += event.content 

580 return RenderedNotification( 

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

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

583 email_template_name="event_cancel", 

584 email_template_args={ 

585 "cancelling_user": data.cancelling_user, 

586 "time_display": time_display, 

587 "event": event, 

588 "view_link": event_link, 

589 }, 

590 email_topic_action_unsubscribe_text="event cancellations", 

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

592 push_body=body, 

593 push_icon=v2avatar(data.cancelling_user), 

594 push_url=event_link, 

595 ) 

596 elif notification.action == "delete": 

597 return RenderedNotification( 

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

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

600 email_template_name="event_delete", 

601 email_template_args={ 

602 "time_display": time_display, 

603 "event": event, 

604 }, 

605 email_topic_action_unsubscribe_text="event deletions", 

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

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

608 push_icon=urls.icon_url(), 

609 push_url=urls.app_link(), 

610 ) 

611 elif notification.action == "invite_organizer": 

612 body = f"{time_display}\n" 

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

614 body += event.content 

615 return RenderedNotification( 

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

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

618 email_template_name="event_invite_organizer", 

619 email_template_args={ 

620 "inviting_user": data.inviting_user, 

621 "time_display": time_display, 

622 "event": event, 

623 "view_link": event_link, 

624 }, 

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

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

627 push_body=body, 

628 push_icon=v2avatar(data.inviting_user), 

629 push_url=event_link, 

630 ) 

631 elif notification.action == "comment": 

632 body = f"{time_display}\n" 

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

634 body += data.reply.content 

635 return RenderedNotification( 

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

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

638 email_template_name="event_comment", 

639 email_template_args={ 

640 "author": data.author, 

641 "time_display": time_display, 

642 "event": event, 

643 "content": data.reply.content, 

644 "view_link": event_link, 

645 }, 

646 email_topic_action_unsubscribe_text="event comments", 

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

648 push_body=body, 

649 push_icon=v2avatar(data.author), 

650 push_url=event_link, 

651 ) 

652 elif notification.action == "reminder": 

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

654 body += f"{time_display}\n" 

655 body += data.event.content 

656 return RenderedNotification( 

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

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

659 email_template_name="event_reminder", 

660 email_template_args={ 

661 "time_display": time_display, 

662 "event": event, 

663 "view_link": event_link, 

664 }, 

665 email_topic_action_unsubscribe_text="event reminders", 

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

667 push_body=body, 

668 push_icon=urls.icon_url(), 

669 push_url=event_link, 

670 ) 

671 elif notification.topic == "discussion": 

672 discussion = data.discussion 

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

674 if notification.action == "create": 

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

676 body += discussion.content 

677 return RenderedNotification( 

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

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

680 email_template_name="discussion_create", 

681 email_template_args={ 

682 "author": data.author, 

683 "discussion": discussion, 

684 "view_link": discussion_link, 

685 }, 

686 email_topic_action_unsubscribe_text="new discussions", 

687 push_title=discussion.title, 

688 push_body=body, 

689 push_icon=v2avatar(data.author), 

690 push_url=discussion_link, 

691 ) 

692 elif notification.action == "comment": 

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

694 body += data.reply.content 

695 return RenderedNotification( 

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

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

698 email_template_name="discussion_comment", 

699 email_template_args={ 

700 "author": data.author, 

701 "discussion": discussion, 

702 "reply": data.reply, 

703 "view_link": discussion_link, 

704 }, 

705 email_topic_action_unsubscribe_text="discussion comments", 

706 push_title=discussion.title, 

707 push_body=body, 

708 push_icon=v2avatar(data.author), 

709 push_url=discussion_link, 

710 ) 

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

712 parent = data.WhichOneof("reply_parent") 

713 if parent == "event": 

714 title = data.event.title 

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

716 elif parent == "discussion": 

717 title = data.discussion.title 

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

719 else: 

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

721 

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

723 body += data.reply.content 

724 return RenderedNotification( 

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

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

727 email_template_name="comment_reply", 

728 email_template_args={ 

729 "author": data.author, 

730 "title": title, 

731 "reply": data.reply, 

732 "view_link": view_link, 

733 }, 

734 email_topic_action_unsubscribe_text="comment replies", 

735 push_title=title, 

736 push_body=body, 

737 push_icon=v2avatar(data.author), 

738 push_url=view_link, 

739 ) 

740 elif notification.topic == "reference": 

741 if notification.action == "receive_friend": 

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

743 return RenderedNotification( 

744 email_subject=title, 

745 email_preview=v2esc(data.text), 

746 email_template_name="friend_reference", 

747 email_template_args={ 

748 "from_user": data.from_user, 

749 "profile_references_link": urls.profile_references_link(), 

750 "text": data.text, 

751 }, 

752 email_topic_action_unsubscribe_text="new references from friends", 

753 push_title=title, 

754 push_body=data.text, 

755 push_icon=v2avatar(data.from_user), 

756 push_url=urls.profile_references_link(), 

757 ) 

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

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

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

761 surfed = notification.action == "receive_hosted" 

762 leave_reference_link = urls.leave_reference_link(