86 lines
3.0 KiB
Python
86 lines
3.0 KiB
Python
"""FlowDeck — Email notifications via SMTP (v4.9.0).
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If SMTP is not configured (smtp_host empty) this is a safe no-op, so the
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application works locally out of the box while still logging intent.
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"""
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from __future__ import annotations
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import logging
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import smtplib
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from email.message import EmailMessage
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from app.config import settings
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logger = logging.getLogger(__name__)
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def _configured() -> bool:
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return bool(settings.smtp_host)
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def _html_body(body_text: str, cta_url: str = "") -> str:
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cta = ""
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if cta_url:
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cta = (
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'<p style="margin:24px 0 0;">'
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f'<a href="{cta_url}" '
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'style="background:#2383E2;color:#fff;text-decoration:none;'
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'padding:10px 20px;border-radius:8px;display:inline-block;'
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'font-weight:600;">Open in FlowDeck →</a></p>'
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)
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return f"""<div style="font-family:-apple-system,'Segoe UI',Roboto,sans-serif;
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background:#191919;color:#e0e0e0;padding:32px;">
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<div style="max-width:520px;margin:0 auto;background:#252525;border:1px solid #333;
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border-radius:12px;padding:24px;">
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<div style="font-size:18px;font-weight:700;color:#fff;margin-bottom:8px;">FlowDeck</div>
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<p style="color:#e0e0e0;line-height:1.6;white-space:pre-wrap;">{body_text}</p>
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{cta}
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<p style="margin-top:24px;font-size:12px;color:#999;">You received this because your
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notifications preferences in FlowDeck allow it.</p>
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</div></div>"""
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def send_email(to_email: str, subject: str, body_text: str, cta_url: str = "") -> bool:
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"""Send an email. Returns True on success, False if skipped or failed."""
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if not to_email or not _configured():
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return False
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try:
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msg = EmailMessage()
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msg["Subject"] = subject
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msg["From"] = settings.smtp_from
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msg["To"] = to_email
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msg.set_content(body_text)
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msg.add_alternative(_html_body(body_text, cta_url), subtype="html")
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with smtplib.SMTP(settings.smtp_host, settings.smtp_port, timeout=15) as server:
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if settings.smtp_use_tls:
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server.starttls()
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if settings.smtp_user:
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server.login(settings.smtp_user, settings.smtp_password)
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server.send_message(msg)
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logger.info("Email sent to %s: %s", to_email, subject)
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return True
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except Exception as e: # never break the request on mail failure
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logger.warning("Email send failed to %s: %s", to_email, e)
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return False
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def notify_user(
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user_id: int,
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subject: str,
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body_text: str,
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cta_url: str = "",
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prefs_key: str = "mentions",
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) -> bool:
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"""Resolve a user's email + preferences and send an email notification."""
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from app.db import get_conn
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from app.services import notifications
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with get_conn() as conn:
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row = conn.execute("SELECT id, email FROM users WHERE id=?", (user_id,)).fetchone()
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if not row or not row["email"]:
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return False
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prefs = notifications.get_user_prefs(user_id)
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if not prefs.get(prefs_key, True):
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return False
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return send_email(row["email"], subject, body_text, cta_url) |