mirror of
https://github.com/x1xhlol/system-prompts-and-models-of-ai-tools.git
synced 2026-06-18 07:19:35 +00:00
297 lines
9.9 KiB
Python
297 lines
9.9 KiB
Python
"""
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Dealix Proposals & Quotes API
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إدارة عروض الأسعار والعروض التجارية
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"""
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from datetime import datetime, timezone
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from typing import Optional
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from uuid import UUID
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from fastapi import APIRouter, Depends, HTTPException, Query
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from pydantic import BaseModel, Field
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from sqlalchemy import select, func, and_
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.database import get_db
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from app.api.deps import get_current_user
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from app.models.user import User
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from app.models.proposal import Proposal
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from app.services.cpq.quote_engine import (
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QuoteEngine, QuoteCreate, LineItemInput, DiscountInput, QuoteStatus,
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)
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from app.services.cpq.proposal_generator import (
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ProposalGenerator, ProposalInput,
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)
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router = APIRouter(prefix="/proposals", tags=["Proposals & Quotes"])
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# ── Request / Response Models ────────────────────
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class ProposalCreateRequest(BaseModel):
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deal_id: Optional[str] = None
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lead_id: Optional[str] = None
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title: str
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currency: str = "SAR"
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industry: str = "services"
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validity_days: int = 30
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vat_registration_number: Optional[str] = None
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client_name: str = ""
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client_company: str = ""
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notes_ar: str = ""
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class ProposalUpdateRequest(BaseModel):
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title: Optional[str] = None
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notes_ar: Optional[str] = None
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validity_days: Optional[int] = None
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vat_registration_number: Optional[str] = None
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class SendRequest(BaseModel):
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channel: str = Field(pattern=r"^(whatsapp|email)$", default="whatsapp")
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recipient: str
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class AcceptRequest(BaseModel):
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client_signature: str = ""
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notes: str = ""
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# ── Helpers ──────────────────────────────────────
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async def _fetch_proposal(db: AsyncSession, proposal_id: UUID, tenant_id) -> Proposal:
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result = await db.execute(
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select(Proposal).where(Proposal.id == proposal_id, Proposal.tenant_id == tenant_id)
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)
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p = result.scalar_one_or_none()
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if not p:
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raise HTTPException(status_code=404, detail="عرض السعر غير موجود")
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return p
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def _proposal_dict(p: Proposal) -> dict:
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return {
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"id": str(p.id), "tenant_id": str(p.tenant_id),
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"deal_id": str(p.deal_id) if p.deal_id else None,
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"lead_id": str(p.lead_id) if p.lead_id else None,
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"title": p.title, "content": p.content,
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"total_amount": str(p.total_amount) if p.total_amount else "0",
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"currency": p.currency, "status": p.status,
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"valid_until": p.valid_until.isoformat() if p.valid_until else None,
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"sent_at": p.sent_at.isoformat() if p.sent_at else None,
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"viewed_at": p.viewed_at.isoformat() if p.viewed_at else None,
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"created_at": p.created_at.isoformat() if p.created_at else None,
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"updated_at": p.updated_at.isoformat() if p.updated_at else None,
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}
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# ── Endpoints ────────────────────────────────────
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@router.get("")
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async def list_proposals(
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status: Optional[str] = Query(None),
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deal_id: Optional[UUID] = Query(None),
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date_from: Optional[str] = Query(None),
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date_to: Optional[str] = Query(None),
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page: int = Query(1, ge=1),
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per_page: int = Query(25, ge=1, le=100),
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current_user: User = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""List proposals with filters."""
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query = select(Proposal).where(Proposal.tenant_id == current_user.tenant_id)
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if status:
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query = query.where(Proposal.status == status)
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if deal_id:
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query = query.where(Proposal.deal_id == deal_id)
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if date_from:
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query = query.where(Proposal.created_at >= datetime.fromisoformat(date_from))
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if date_to:
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query = query.where(Proposal.created_at <= datetime.fromisoformat(date_to))
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count_q = select(func.count()).select_from(query.subquery())
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total = (await db.execute(count_q)).scalar() or 0
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query = query.order_by(Proposal.created_at.desc())
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query = query.offset((page - 1) * per_page).limit(per_page)
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result = await db.execute(query)
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items = [_proposal_dict(p) for p in result.scalars().all()]
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return {"items": items, "total": total, "page": page, "per_page": per_page}
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@router.post("", status_code=201)
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async def create_proposal(
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data: ProposalCreateRequest,
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current_user: User = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""Create a new proposal/quote."""
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engine = QuoteEngine(db)
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quote_data = QuoteCreate(tenant_id=str(current_user.tenant_id), **data.model_dump())
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return await engine.create_quote(quote_data)
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@router.get("/analytics")
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async def proposal_analytics(
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current_user: User = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""Win rate, average deal size, time-to-close analytics."""
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tid = current_user.tenant_id
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total_q = select(func.count()).where(Proposal.tenant_id == tid)
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total = (await db.execute(total_q)).scalar() or 0
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accepted_q = select(func.count()).where(
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Proposal.tenant_id == tid, Proposal.status == QuoteStatus.ACCEPTED.value,
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)
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accepted = (await db.execute(accepted_q)).scalar() or 0
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rejected_q = select(func.count()).where(
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Proposal.tenant_id == tid, Proposal.status == QuoteStatus.REJECTED.value,
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)
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rejected = (await db.execute(rejected_q)).scalar() or 0
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avg_value_q = select(func.avg(Proposal.total_amount)).where(
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Proposal.tenant_id == tid, Proposal.status == QuoteStatus.ACCEPTED.value,
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)
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avg_value = (await db.execute(avg_value_q)).scalar()
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decided = accepted + rejected
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win_rate = round((accepted / decided) * 100, 1) if decided > 0 else 0.0
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return {
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"total_proposals": total,
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"accepted": accepted,
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"rejected": rejected,
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"win_rate_percent": win_rate,
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"average_deal_value": float(avg_value) if avg_value else 0.0,
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"currency": "SAR",
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}
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@router.get("/{proposal_id}")
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async def get_proposal(
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proposal_id: UUID,
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current_user: User = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""Get full proposal details."""
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proposal = await _fetch_proposal(db, proposal_id, current_user.tenant_id)
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return _proposal_dict(proposal)
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@router.put("/{proposal_id}")
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async def update_proposal(
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proposal_id: UUID,
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data: ProposalUpdateRequest,
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current_user: User = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""Update proposal metadata."""
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proposal = await _fetch_proposal(db, proposal_id, current_user.tenant_id)
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if data.title is not None:
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proposal.title = data.title
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if data.notes_ar is not None:
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content = dict(proposal.content)
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content["notes_ar"] = data.notes_ar
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proposal.content = content
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if data.vat_registration_number is not None:
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content = dict(proposal.content)
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content["vat_registration_number"] = data.vat_registration_number
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proposal.content = content
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await db.flush()
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await db.refresh(proposal)
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return _proposal_dict(proposal)
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@router.post("/{proposal_id}/items")
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async def add_line_item(
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proposal_id: UUID,
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item: LineItemInput,
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current_user: User = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""Add a line item to the quote."""
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engine = QuoteEngine(db)
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return await engine.add_line_item(str(current_user.tenant_id), str(proposal_id), item)
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@router.post("/{proposal_id}/discount")
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async def apply_discount(
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proposal_id: UUID,
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discount: DiscountInput,
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current_user: User = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""Apply a discount to the quote."""
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engine = QuoteEngine(db)
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return await engine.apply_discount(str(current_user.tenant_id), str(proposal_id), discount)
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@router.post("/{proposal_id}/send")
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async def send_proposal(
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proposal_id: UUID,
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data: SendRequest,
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current_user: User = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""Send proposal via WhatsApp or Email."""
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engine = QuoteEngine(db)
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return await engine.send_quote(
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str(current_user.tenant_id), str(proposal_id), data.channel, data.recipient,
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)
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@router.post("/{proposal_id}/accept")
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async def accept_proposal(
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proposal_id: UUID,
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data: AcceptRequest,
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current_user: User = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""Client acceptance endpoint."""
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proposal = await _fetch_proposal(db, proposal_id, current_user.tenant_id)
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if proposal.status == QuoteStatus.EXPIRED.value:
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raise HTTPException(status_code=400, detail="عرض السعر منتهي الصلاحية")
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proposal.status = QuoteStatus.ACCEPTED.value
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content = dict(proposal.content)
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content["acceptance"] = {
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"signature": data.client_signature,
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"notes": data.notes,
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"accepted_at": datetime.now(timezone.utc).isoformat(),
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}
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proposal.content = content
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await db.flush()
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await db.refresh(proposal)
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return _proposal_dict(proposal)
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@router.get("/{proposal_id}/pdf")
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async def generate_pdf_data(
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proposal_id: UUID,
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current_user: User = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""Generate PDF-ready data for a proposal."""
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proposal = await _fetch_proposal(db, proposal_id, current_user.tenant_id)
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generator = ProposalGenerator()
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ai_req = ProposalInput(
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deal_title=proposal.title,
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client_name=proposal.content.get("client_name", ""),
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client_company=proposal.content.get("client_company", ""),
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industry=proposal.content.get("industry", "services"),
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deal_value=float(proposal.total_amount) if proposal.total_amount else 0.0,
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currency=proposal.currency or "SAR",
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requirements=proposal.content.get("notes_ar", ""),
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language="both",
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)
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ai_proposal = await generator.generate_proposal(ai_req)
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return await generator.export_pdf_data(ai_proposal)
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