feat: executors and grouping by article in deal document

constants.py

@@ -10,6 +10,7 @@ from utils.code128 import encode128
 ENV = Environment(loader=FileSystemLoader(Path("templates") / Path("documents")))
 ENV.globals['now'] = datetime.now
 ENV.globals['encode128'] = encode128
+ENV.globals['format_number'] = lambda x: '{:,}'.format(x).replace(',', ' ')
 
 APP_PATH = os.path.dirname(sys.executable) if getattr(sys, 'frozen', False) else os.path.dirname(__file__)
 

generators/deal_pdf_generator/deal_data.py

@@ -0,0 +1,20 @@
+from typing import TypedDict, List, Dict, Tuple, Optional
+
+from models import DealProduct, Deal, DealStatusHistory
+
+
+class DocumentDealProductData(TypedDict):
+    deal_products: List[DealProduct]
+    total_one_product: int
+    quantity: int
+    additional_info: Optional[str]
+
+
+class DocumentDealData(TypedDict):
+    deal: Deal
+    general_services_total: int
+    products: Dict[str, DocumentDealProductData]
+    current_status_str: str
+    last_status: DealStatusHistory
+    product_images: Tuple[str]
+

generators/deal_pdf_generator/generator.py

@@ -0,0 +1,102 @@
+from io import BytesIO
+from typing import List, Dict, Optional
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy.orm import selectinload, joinedload
+from weasyprint import HTML, CSS
+
+from constants import DEAL_STATUS_STR, ENV, APP_PATH
+from generators.deal_pdf_generator.deal_data import DocumentDealProductData
+from models import Deal, DealProduct, DealService as DealServiceModel, Product
+from utils.images_fetcher import fetch_images
+
+
+class DealPdfGenerator:
+    def __init__(self, session: AsyncSession):
+        self._session = session
+
+    @staticmethod
+    async def _get_product_services_totals(deal: Deal) -> List[Dict[str, int]]:
+        totals: List[Dict[str, int]] = []
+
+        for product in deal.products:
+            total_one_product = sum((service.price for service in product.services))
+            total = total_one_product * product.quantity
+            totals.append({"total_one_product": total_one_product, "total": total})
+
+        return totals
+
+    @staticmethod
+    async def _group_deal_products_by_products(deal_products: List[DealProduct]) -> Dict[str, DocumentDealProductData]:
+        products: Dict[str, DocumentDealProductData] = {}
+        additional_info: Optional[str]
+
+        for deal_product in deal_products:
+            # Для группировки по артикулу и услугам
+            key = f"{deal_product.product.article} - " + ",".join(
+                str(service.service_id) for service in deal_product.services
+            )
+
+            if key not in products:
+                total_one_product = sum(service.price for service in deal_product.services)
+                products[key] = {
+                    "deal_products": [deal_product],
+                    "total_one_product": total_one_product,
+                    "quantity": deal_product.quantity,
+                    "additional_info": deal_product.product.additional_info,
+                }
+            else:
+                products[key]["deal_products"].append(deal_product)
+                products[key]["quantity"] += deal_product.quantity
+                if not products[key]["additional_info"]:
+                    products[key]["additional_info"] = deal_product.product.additional_info
+
+        return products
+
+    async def _create_detailed_deal_document_html(self, deal_id: int):
+        deal: Deal | None = await self._session.scalar(
+            select(Deal)
+            .where(Deal.id == deal_id)
+            .options(
+                selectinload(Deal.products).selectinload(DealProduct.services),
+                selectinload(Deal.products).selectinload(DealProduct.product).selectinload(Product.barcodes),
+                selectinload(Deal.services).selectinload(DealServiceModel.service),
+                selectinload(Deal.status_history),
+                joinedload(Deal.client),
+                joinedload(Deal.shipping_warehouse),
+            )
+        )
+
+        if not deal:
+            return ""
+
+        products = await self._group_deal_products_by_products(deal.products)
+
+        product_urls: List[Optional[str]] = []
+        for product in products.values():
+            if len(product["deal_products"][0].product.images) > 0:
+                product_urls.append(product["deal_products"][0].product.images[0].image_url)
+            else:
+                product_urls.append(None)
+        product_images = await fetch_images(product_urls)
+
+        document_deal_data = {
+            "deal": deal,
+            "general_services_total": sum((service.price * service.quantity for service in deal.services)),
+            "products": products,
+            "current_status_str": DEAL_STATUS_STR[deal.current_status],
+            "last_status": max(deal.status_history, key=lambda status: status.changed_at),
+            "product_images": product_images,
+        }
+
+        template = ENV.get_template("deal/deal.html")
+
+        result = template.render({"data": document_deal_data, "sign_place_text": "_" * 22})
+        return result
+
+    async def create_detailed_deal_document_pdf(self, deal_id) -> BytesIO:
+        doc = await self._create_detailed_deal_document_html(deal_id)
+        pdf_file = BytesIO()
+        HTML(string=doc).write_pdf(pdf_file, stylesheets=[CSS(APP_PATH + '/static/css/deal.css')])
+        return pdf_file

routers/deal.py

@@ -7,6 +7,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 
 from backend.dependecies import SessionDependency, CurrentUserDependency
 from backend.session import get_session
+from generators.deal_pdf_generator.generator import DealPdfGenerator
 from models import User
 from schemas.barcode import GetDealProductsBarcodesPdfRequest, GetDealProductsBarcodesPdfResponse
 from schemas.deal import *
@@ -202,7 +203,7 @@ async def get_detailed_deal_document(
         deal_id: int,
         session: Annotated[AsyncSession, Depends(get_session)],
 ):
-    pdf_file: BytesIO = await DealService(session).create_detailed_deal_document_pdf(deal_id)
+    pdf_file: BytesIO = await DealPdfGenerator(session).create_detailed_deal_document_pdf(deal_id)
     return Response(pdf_file.getvalue(), media_type='application/pdf')
 
 

schemas/deal.py

@@ -1,9 +1,10 @@
 import datetime
-from typing import List, Optional, Union
+from collections import defaultdict
+from typing import List, Optional, Union, Dict, Tuple, TypedDict
 
 from pydantic import constr, field_validator
 
-from models import ServiceCategoryPrice, ServicePriceCategory
+from models import ServiceCategoryPrice, ServicePriceCategory, Deal, Product, DealProduct, DealStatusHistory
 from schemas.base import BaseSchema, OkMessageSchema
 from schemas.billing import DealBillRequestSchema
 from schemas.client import ClientSchema

services/deal.py

@@ -1,18 +1,12 @@
-from io import BytesIO
-from typing import Dict
-
 import lexorank
 from fastapi import HTTPException
 from sqlalchemy import select, func, update, delete, insert
 from sqlalchemy.orm import joinedload, selectinload
 from starlette import status
-from weasyprint import HTML, CSS
 
-import constants
 import models.deal
 import models.secondary
-from constants import ENV, DEAL_STATUS_STR
-from models import User, Service, Client, DealProduct, DealService as DealServiceModel, Product
+from models import User, Service, Client
 from models.deal import *
 from schemas.client import ClientDetailsSchema
 from schemas.deal import *
@@ -21,7 +15,6 @@ from services.base import BaseService
 from services.client import ClientService
 from services.service import ServiceService
 from services.shipping_warehouse import ShippingWarehouseService
-from utils.images_fetcher import fetch_images
 
 
 class DealService(BaseService):
@@ -1008,64 +1001,3 @@ class DealService(BaseService):
         except Exception as e:
             await self.session.rollback()
             return DealCompleteResponse(ok=False, message=str(e))
-
-    # region Deal documents
-
-    @staticmethod
-    async def _get_product_services_totals(deal: Deal) -> List[Dict[str, int]]:
-        totals: List[Dict[str, int]] = []
-
-        for product in deal.products:
-            total_one_product = sum((service.price for service in product.services))
-            total = total_one_product * product.quantity
-            totals.append({"total_one_product": total_one_product, "total": total})
-
-        return totals
-
-    async def _create_detailed_deal_document_html(self, deal_id: int):
-        deal: Deal | None = await self.session.scalar(
-            select(Deal)
-            .where(Deal.id == deal_id)
-            .options(
-                selectinload(Deal.products).selectinload(DealProduct.services),
-                selectinload(Deal.products).selectinload(DealProduct.product).selectinload(Product.barcodes),
-                selectinload(Deal.services).selectinload(DealServiceModel.service),
-                selectinload(Deal.status_history),
-                joinedload(Deal.client),
-                joinedload(Deal.shipping_warehouse),
-            )
-        )
-
-        if not deal:
-            return ""
-
-        last_status: DealStatusHistory = max(deal.status_history, key=lambda status: status.changed_at)
-        general_services_total = sum((service.price * service.quantity for service in deal.services))
-        product_services_totals: List[Dict[str, int]] = await self._get_product_services_totals(deal)
-        template = ENV.get_template("deal/deal.html")
-
-        product_urls: List[Optional[str]] = []
-        for product in deal.products:
-            if len(product.product.images) > 0:
-                product_urls.append(product.product.images[0].image_url)
-            else:
-                product_urls.append(None)
-        product_images = await fetch_images(product_urls)
-
-        result = template.render({
-            "general_services_total": general_services_total,
-            "product_services_totals": product_services_totals,
-            "deal": deal,
-            "current_status_str": DEAL_STATUS_STR[deal.current_status],
-            "last_status": last_status,
-            "product_images": product_images,
-        })
-        return result
-
-    async def create_detailed_deal_document_pdf(self, deal_id) -> BytesIO:
-        doc = await self._create_detailed_deal_document_html(deal_id)
-        pdf_file = BytesIO()
-        HTML(string=doc).write_pdf(pdf_file, stylesheets=[CSS(constants.APP_PATH + '/static/css/deal.css')])
-        return pdf_file
-
-    # endregion

static/css/deal.css

@@ -18,6 +18,10 @@ hr {
     margin-right: -100px;
 }
 
+.sign-place {
+    margin-top: 25px;
+}
+
 .doc-container {
     margin: -30px 0;
     padding: 0 15px;
@@ -42,7 +46,7 @@ hr {
 
 .small-text {
     font-size: 12px;
-    margin-bottom: 4px;
+    margin-bottom: 3px;
 }
 
 .medium-text {
@@ -67,7 +71,7 @@ hr {
 }
 
 .product-data > * {
-    width: 200px;
+    width: 170px;
     padding-right: 170px;
 }
 
@@ -152,8 +156,16 @@ table tfoot {
     border-radius: 5px;
 }
 
+.barcode-container-table {
+    margin: 10px 0 -15px -25px;
+    display: flex;
+    white-space: nowrap;
+    flex-direction: column;
+    align-items: center;
+}
+
 .barcode-container {
-    margin: 15px 0 -5px 355px;
+    margin: 15px 0 -5px 375px;
     display: flex;
     white-space: nowrap;
     flex-direction: column;
@@ -162,7 +174,7 @@ table tfoot {
 
 .barcode {
     font-family: "Libre Barcode 128", cursive;
-    font-size: 30pt;
+    font-size: 25pt;
     transform: scale(1, 1.5);
 }
 

templates/documents/deal/deal-services.html

@@ -1,7 +1,7 @@
 <!--#region Header  -->
 <div class="deal-name-id-container">
     <div class="medium-text bold">
-        Название сделки: {{ deal.name }}
+        Название сделки: {{ data.deal.name }}
     </div>
 </div>
 <hr/>
@@ -9,29 +9,29 @@
     Дата создания: {{ now().strftime("%d.%m.%Y, %H:%M") }}
 </div>
 <div class="medium-text">
-    Текущий статус: {{ current_status_str }}
+    Текущий статус: {{ data.current_status_str }}
 </div>
 <div class="medium-text">
-    {% if deal.comment %}
-        Комментарий к сделке: {{ deal.comment }}
+    {% if data.deal.comment %}
+        Комментарий к сделке: {{ data.deal.comment }}
     {% endif %}
 </div>
 <hr/>
 <!--#endregion -->
 <!--#region General services -->
 <div class="large-text bold">
-    Клиент: {{ deal.client.name }}
+    Клиент: {{ data.deal.client.name }}
 </div>
 <div class="medium-text bold">
-    Дата отгрузки: {{ last_status.next_status_deadline.strftime("%d.%m.%Y") }}
+    Дата отгрузки: {{ data.last_status.next_status_deadline.strftime("%d.%m.%Y") }}
 </div>
-{% if deal.base_marketplace.name %}
-    <div class="medium-text bold">Маркетплейс: {{ deal.base_marketplace.name }}</div>
+{% if data.deal.base_marketplace.name %}
+    <div class="medium-text bold">Маркетплейс: {{ data.deal.base_marketplace.name }}</div>
 {% endif %}
-{% if deal.shipping_warehouse.name %}
-    <div class="medium-text bold">Склад отгрузки: {{ deal.shipping_warehouse.name }}</div>
+{% if data.deal.shipping_warehouse.name %}
+    <div class="medium-text bold">Склад отгрузки: {{ data.deal.shipping_warehouse.name }}</div>
 {% endif %}
-{% if deal.services|length > 0 %}
+{% if data.deal.services|length > 0 %}
     <table>
         <thead>
         <tr>
@@ -43,7 +43,7 @@
         </tfoot>
         </thead>
         <tbody>
-        {% for service in deal.services %}
+        {% for service in data.deal.services %}
             <tr>
                 <td>{{ service.service.name }}</td>
                 <td>{{ '{:,}'.format(service.quantity) }} шт.</td>
@@ -53,7 +53,7 @@
         </tbody>
     </table>
     <div class="medium-text total align-right bold">
-        Итого: {{ general_services_total }} Р
+        Итого: {{ data.general_services_total }} Р
     </div>
 {% else %}
     <div class="medium-text total align-right bold">

templates/documents/deal/deal.html

@@ -29,7 +29,7 @@
                 font-size: 18px;
             }
             @top-right {
-                content: "ID:{{ deal.id }}";
+                content: "ID:{{ data.deal.id }}";
                 border: solid black 1px;
                 border-radius: 6px;
                 padding: 12px 2px;
@@ -45,7 +45,7 @@
     <div>
         <div>
             {% include "deal/deal-services.html" %}
-            {% for product in deal.products %}
+            {% for product_data in data.products.values() %}
                 {% with index = loop.index %}
                     {% include "deal/deal-product-services.html" %}
                 {% endwith %}