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""" |
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byceps.services.user_message.service |
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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Send an e-mail message from one user to another. |
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:Copyright: 2006-2021 Jochen Kupperschmidt |
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:License: Revised BSD (see `LICENSE` file for details) |
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""" |
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from email.utils import formataddr |
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from typing import Optional |
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from flask import current_app |
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from ...typing import UserID |
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from ...util import templating |
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from ..email import service as email_service |
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from ..email.transfer.models import Message |
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from ..site import service as site_service |
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from ..site.transfer.models import SiteID |
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from ..user import service as user_service |
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from ..user.transfer.models import User |
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def send_message( |
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sender_id: UserID, |
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recipient_id: UserID, |
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text: str, |
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sender_contact_url: str, |
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site_id: SiteID, |
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) -> None: |
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"""Create a message and send it.""" |
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message = create_message( |
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sender_id, recipient_id, text, sender_contact_url, site_id |
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) |
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email_service.enqueue_message(message) |
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def create_message( |
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sender_id: UserID, |
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recipient_id: UserID, |
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text: str, |
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sender_contact_url: str, |
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site_id: SiteID, |
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) -> Message: |
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"""Assemble an email message with the rendered template as its body.""" |
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sender = _get_user(sender_id) |
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recipient = _get_user(recipient_id) |
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site = site_service.get_site(site_id) |
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email_config = email_service.get_config(site.brand_id) |
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sender_screen_name = sender.screen_name or f'user-{sender.id}' |
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website_server_name = site.server_name |
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recipients = [_get_user_address(recipient)] |
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subject = ( |
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f'Mitteilung von {sender.screen_name} (über {website_server_name})' |
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) |
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body = _get_body( |
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recipient.screen_name, |
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sender_screen_name, |
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text, |
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sender_contact_url, |
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website_server_name, |
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email_config.contact_address, |
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) |
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return Message(email_config.sender, recipients, subject, body) |
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def _get_user(user_id: UserID) -> User: |
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user = user_service.find_active_user(user_id) |
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if user is None: |
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raise ValueError(f"Unknown user ID '{user_id}' or account not active") |
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return user |
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def _get_user_address(user: User) -> str: |
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email_address = user_service.get_email_address(user.id) |
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# If `name` evaluates to `False`, just the address is returned. |
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return formataddr((user.screen_name, email_address)) |
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def _get_body( |
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recipient_screen_name: Optional[str], |
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sender_screen_name: str, |
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text: str, |
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sender_contact_url: str, |
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website_server_name: str, |
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website_contact_address: Optional[str], |
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) -> str: |
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body = f'''\ |
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Hallo {recipient_screen_name}, |
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{sender_screen_name} möchte dir die folgende Mitteilung zukommen lassen. |
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Du kannst hier antworten: {sender_contact_url} |
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ACHTUNG: Antworte *nicht* auf diese E-Mail, sondern folge dem Link. |
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---8<------------------------------------- |
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{text.strip()} |
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---8<------------------------------------- |
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-- |
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Diese Mitteilung wurde über die Website {website_server_name} gesendet.''' |
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if website_contact_address: |
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body += f'\nBei Fragen kontaktiere uns bitte per E-Mail an: {website_contact_address}' |
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return body |
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