agentic.email/backend/app/services/handoff_email_templates.py
2026-10-06 02:21:27 +05:30

198 lines
8 KiB
Python

from html import escape
DEBUG_REASON_MARKERS = (
"step passes",
"classifier",
"rule evaluation",
"no handoff instructions were set",
)
def _clean_external_subject(subject: str) -> str:
value = (subject or "(No subject)").strip()
for prefix in ("Re: ", "RE: ", "re: "):
if value.startswith(prefix):
value = value[len(prefix) :].strip()
for prefix in ("Human Handoff · ", "Human Handoff: "):
if value.lower().startswith(prefix.lower()):
value = value[len(prefix) :].strip()
return value or "(No subject)"
def handoff_email_subject(external_subject: str) -> str:
return f"Human Handoff · {_clean_external_subject(external_subject)}"
def external_reply_subject(external_subject: str) -> str:
cleaned = _clean_external_subject(external_subject)
return f"Re: {cleaned}"
def format_reason_for_human(reason: str | None, *, is_update: bool = False) -> str | None:
if is_update:
return None
if not reason or not reason.strip():
return None
lower = reason.strip().lower()
if any(marker in lower for marker in DEBUG_REASON_MARKERS):
return "This conversation matched your Human Handoff settings."
if lower in {
"matched handoff rules.",
"new message in the linked conversation.",
}:
return "This conversation requires human attention."
return reason.strip()
def build_initial_handoff_text(
*,
external_sender: str,
external_subject: str,
external_body: str,
agent_email: str,
handoff_reason: str | None,
) -> str:
reason = format_reason_for_human(handoff_reason)
lines = [
"GENTIC — HUMAN HANDOFF",
"",
"This conversation needs your attention.",
"",
f"From: {external_sender}",
f"Subject: {_clean_external_subject(external_subject)}",
"",
"LATEST MESSAGE",
"",
external_body.strip(),
"",
]
if reason:
lines.extend(["WHY YOU'RE RECEIVING THIS", "", reason, ""])
lines.extend(
[
"REPLY NORMALLY",
"",
f"Reply to this email and Gentic will send only your new reply to the "
f"original sender through {agent_email}.",
"",
"This private handoff conversation and quoted history will not be shared "
"with the sender.",
"",
"—",
"Gentic Human Handoff",
"Private Agent ↔ Human conversation",
]
)
return "\n".join(lines)
def build_initial_handoff_html(
*,
external_sender: str,
external_subject: str,
external_body: str,
agent_email: str,
handoff_reason: str | None,
) -> str:
reason = format_reason_for_human(handoff_reason)
reason_block = ""
if reason:
reason_block = f"""
<tr><td style="padding:18px 24px 0;">
<p style="margin:0 0 8px;font-size:11px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:#8A8695;">Why you&apos;re receiving this</p>
<p style="margin:0;font-size:13px;line-height:1.55;color:#4A4652;">{escape(reason)}</p>
</td></tr>"""
return f"""<!DOCTYPE html>
<html><body style="margin:0;padding:0;background:#F5F4F2;">
<table role="presentation" width="100%" cellpadding="0" cellspacing="0" style="background:#F5F4F2;padding:24px 12px;">
<tr><td align="center">
<table role="presentation" width="600" cellpadding="0" cellspacing="0" style="width:100%;max-width:600px;background:#FFFFFF;border:1px solid #E8E5EA;border-radius:12px;overflow:hidden;">
<tr><td style="padding:24px 24px 8px;">
<p style="margin:0 0 4px;font-size:12px;font-weight:600;color:#7357F6;">✦ Gentic</p>
<h1 style="margin:0 0 8px;font-size:20px;font-weight:700;color:#171424;">Human Handoff</h1>
<p style="margin:0;font-size:13px;line-height:1.5;color:#77758A;">This conversation needs your attention.</p>
</td></tr>
<tr><td style="padding:8px 24px 0;">
<table role="presentation" width="100%" cellpadding="0" cellspacing="0" style="background:#FAF9FB;border:1px solid #ECE9EF;border-radius:8px;">
<tr><td style="padding:14px;">
<p style="margin:0 0 10px;font-size:10px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:#8A8695;">From</p>
<p style="margin:0 0 14px;font-size:13px;font-weight:500;color:#292536;">{escape(external_sender)}</p>
<p style="margin:0 0 10px;font-size:10px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:#8A8695;">Subject</p>
<p style="margin:0;font-size:13px;font-weight:500;color:#292536;">{escape(_clean_external_subject(external_subject))}</p>
</td></tr>
</table>
</td></tr>
<tr><td style="padding:18px 24px 0;">
<p style="margin:0 0 8px;font-size:11px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:#8A8695;">Latest message</p>
<div style="border-left:3px solid #7357F6;padding:4px 0 4px 14px;font-size:14px;line-height:1.55;color:#292536;white-space:pre-wrap;">{escape(external_body.strip())}</div>
</td></tr>
{reason_block}
<tr><td style="padding:18px 24px 24px;">
<table role="presentation" width="100%" cellpadding="0" cellspacing="0" style="background:#F7F5FF;border:1px solid #E5DFFF;border-radius:8px;">
<tr><td style="padding:14px;">
<p style="margin:0 0 8px;font-size:13px;font-weight:650;color:#5633CE;">↩ Reply normally</p>
<p style="margin:0;font-size:12px;line-height:1.5;color:#625D70;">
Reply to this email and Gentic will send your response to the original sender as
<strong>{escape(agent_email)}</strong>. Only the new text you write will be sent.
This handoff email and quoted history stay private.
</p>
</td></tr>
</table>
</td></tr>
<tr><td style="padding:0 24px 24px;text-align:center;">
<p style="margin:0;font-size:10px;color:#A19DAA;">Gentic Human Handoff<br>Private Agent ↔ Human conversation</p>
</td></tr>
</table>
</td></tr>
</table>
</body></html>"""
def build_update_handoff_text(
*,
external_sender: str,
external_body: str,
agent_email: str,
) -> str:
return "\n".join(
[
"Customer replied",
"",
external_sender,
"",
external_body.strip(),
"",
f"Reply normally to respond through {agent_email}.",
]
)
def build_update_handoff_html(
*,
external_sender: str,
external_body: str,
agent_email: str,
) -> str:
return f"""<!DOCTYPE html>
<html><body style="margin:0;padding:0;background:#F5F4F2;">
<table role="presentation" width="100%" cellpadding="0" cellspacing="0" style="background:#F5F4F2;padding:24px 12px;">
<tr><td align="center">
<table role="presentation" width="600" cellpadding="0" cellspacing="0" style="width:100%;max-width:600px;background:#FFFFFF;border:1px solid #E8E5EA;border-radius:12px;">
<tr><td style="padding:24px;">
<p style="margin:0 0 8px;font-size:12px;font-weight:600;color:#7357F6;">✦ Gentic</p>
<h1 style="margin:0 0 16px;font-size:18px;font-weight:700;color:#171424;">Customer replied</h1>
<p style="margin:0 0 12px;font-size:13px;font-weight:500;color:#292536;">{escape(external_sender)}</p>
<div style="border-left:3px solid #7357F6;padding:4px 0 4px 14px;font-size:14px;line-height:1.55;color:#292536;white-space:pre-wrap;">{escape(external_body.strip())}</div>
<p style="margin:18px 0 0;font-size:12px;line-height:1.5;color:#625D70;">
Reply normally to respond through <strong>{escape(agent_email)}</strong>.
</p>
</td></tr>
</table>
</td></tr>
</table>
</body></html>"""
def build_relay_confirmation_text(customer_body: str) -> str:
return f"Sent to customer:\n\n{customer_body.strip()}"