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add generation_pdf pdf , fix 500 error , install reportlab

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Shaxobff
2026-05-04 16:15:12 +05:00
parent 1ff23af8bf
commit 0c9c726756
7 changed files with 195 additions and 10 deletions
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26
core/apps/evaluation/serializers/vehicle/Vehicle.py
View File

@@ -87,3 +87,29 @@ class CreateVehicleSerializer(serializers.ModelSerializer):
"condition",
"position",
]
class VehicleApplicationSerializer(serializers.Serializer):
person_name = serializers.CharField()
property_owner = serializers.CharField(max_length=100)
address = serializers.CharField(max_length=255)
marka = serializers.CharField(max_length=100)
model = serializers.CharField(max_length=100)
configuration = serializers.CharField(max_length=100)
auto_number = serializers.CharField(max_length=100)
date_created = serializers.DateTimeField()
mileage = serializers.IntegerField()
vehicle_identification = serializers.CharField(max_length=100)
engine_number = serializers.CharField(max_length=100)
colour = serializers.CharField(max_length=100)
registration_certificate_series = serializers.CharField(max_length=100)
tec_passport_number = serializers.CharField(max_length=100)
tec_passport_date = serializers.DateTimeField()
tec_passport_place = serializers.CharField(max_length=255)
body_type = serializers.CharField(max_length=100)
chassis = serializers.CharField(max_length=100)
plate = serializers.CharField(max_length=100)
value_type = serializers.CharField(max_length=100)
evaluation_purpose = serializers.CharField(max_length=100)
personal_id_number = serializers.IntegerField()
id_number = serializers.CharField(max_length=9)

1
core/apps/evaluation/urls.py
View File

@@ -88,4 +88,5 @@ urlpatterns = [
)),
path("calculate_avg_cost/", views.AvgCostAPIView.as_view()),
path("vehicle_document/", views.GeneratePDFView.as_view()),
]

25
core/apps/evaluation/views/vehicle.py
View File

@@ -1,16 +1,19 @@
# django core
from django.http import HttpResponse
from django_core.mixins import BaseViewSetMixin
# swagger
from drf_spectacular.utils import extend_schema
# rest framework
from rest_framework.permissions import AllowAny
from rest_framework.permissions import IsAuthenticated
from rest_framework.response import Response
from rest_framework.views import APIView
from rest_framework.viewsets import ReadOnlyModelViewSet
# core apps
from core.apps.evaluation.models import VehicleModel
from core.apps.evaluation.serializers import vehicle as serialziers
from core.apps.evaluation.serializers import vehicle as serialziers, VehicleApplicationSerializer
from core.utils.generation_pdf import PDFService
@extend_schema(tags=["Vehicle"])
@@ -27,3 +30,19 @@ class VehicleView(BaseViewSetMixin, ReadOnlyModelViewSet):
"retrieve": serialziers.RetrieveVehicleSerializer,
"create": serialziers.CreateVehicleSerializer,
}
@extend_schema(tags=['GenerationDocument'], request=VehicleApplicationSerializer)
class GeneratePDFView(APIView):
permission_classes = [IsAuthenticated]
def post(self, request):
serializer = VehicleApplicationSerializer(data=request.data)
if not serializer.is_valid():
return Response(serializer.errors, status=400)
pdf_buffer = PDFService.generate_vehicle_pdf(serializer.validated_data)
response = HttpResponse(pdf_buffer, content_type='application/pdf')
response['Content-Disposition'] = 'attachment; filename="ariza.pdf"'
return response

2
core/apps/tasks/urls.py
View File

@@ -20,7 +20,7 @@ urlpatterns = [
path('task/', include(
[
path('list/', task.TaskListView.as_view()),
path('<int:id>/', task.TaskDetailView.as_view()),
path('<int:pk>/', task.TaskDetailView.as_view()),
path('create/', task.TaskCreateView.as_view()),
]
)),

9
core/apps/tasks/views/task.py
View File

@@ -1,9 +1,7 @@
from django.db import transaction
from rest_framework import permissions, generics
from rest_framework.response import Response
from drf_spectacular.utils import extend_schema
from rest_framework import permissions, generics, status
from rest_framework.response import Response
from core.apps.tasks.models.task import Task
from core.apps.tasks.serializers.task import TaskSerializer, TaskCreateSerializer
@@ -18,7 +16,8 @@ class TaskCreateView(generics.GenericAPIView):
@transaction.atomic
def post(self, request):
serializer = self.get_serializer(data=request.data)
serializer.is_valid(raise_exception=True)
if not serializer.is_valid(raise_exception=True):
return Response(serializer.validated_data, status=status.HTTP_400_BAD_REQUEST)
serializer.save()
return Response(serializer.data)

138
core/utils/generation_pdf.py Normal file
View File

@@ -0,0 +1,138 @@
# services.py
from io import BytesIO
from reportlab.lib import colors
from reportlab.lib.enums import TA_RIGHT, TA_CENTER
from reportlab.lib.pagesizes import A4
from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
from reportlab.platypus import SimpleDocTemplate, Table, TableStyle, Paragraph, Spacer
class PDFService:
@staticmethod
def generate_vehicle_pdf(data):
buffer = BytesIO()
doc = SimpleDocTemplate(
buffer, pagesize=A4,
rightMargin=40, leftMargin=40,
topMargin=40, bottomMargin=40
)
styles = getSampleStyleSheet()
cell_style = ParagraphStyle(
'CellStyle', parent=styles['Normal'],
fontSize=9, leading=11
)
cell_style_bold = ParagraphStyle(
'CellStyleBold', parent=cell_style,
fontName='Helvetica-Bold',
textColor=colors.red
)
header_style = ParagraphStyle(
'HeaderStyle', parent=styles['Normal'],
alignment=TA_RIGHT, fontSize=10, leading=12
)
title_style = ParagraphStyle(
'TitleStyle', parent=styles['Normal'],
alignment=TA_CENTER, fontSize=14, leading=16
)
elements = []
header_text = (
f'<b>"Sifat baholash" MChJ direktori<br/>'
f"T.R.To'rayevga</b><br/><br/>"
f"{data.get('address', '')}<br/>"
f"ro'yxatda turuvchi fuqaro<br/>"
f"<u>{data.get('person_name', '')}</u> tomonidan<br/>"
f"<u>Avtotransport vositasini baholash uchun</u>"
)
elements.append(Paragraph(header_text, header_style))
elements.append(Spacer(1, 25))
elements.append(Paragraph("<b>A R I Z A</b>", title_style))
elements.append(Spacer(1, 10))
elements.append(Paragraph(
"Ushbu orqali quyidagi avtotransport vositasini baholab berishingizni so'rayman:",
cell_style
))
elements.append(Spacer(1, 10))
date_created = data.get('date_created')
year_str = str(date_created.year) + " yil" if date_created else ""
tec_date = data.get('tec_passport_date')
tec_date_str = tec_date.strftime('%d.%m.%Y yil') if tec_date else ""
raw_data = [
["Mulk egasi", data.get('property_owner', '')],
["Manzil", data.get('address', '')],
["Marka", data.get('marka', '')],
["Model", data.get('model', '')],
["Komplektatsiya", data.get('configuration', '')],
["Davlat raqami", data.get('auto_number', '')],
["Ishlab chiqarilgan yili", year_str],
["Bosib o'tgan masofasi", f"{data.get('mileage', 0):,}".replace(',', ' ')],
["№ kuzov (VIN)", data.get('vehicle_identification', '')],
["№ dvigatel", data.get('engine_number', '')],
["Rang", data.get('colour', '')],
["Texnik passport seriyasi", data.get('registration_certificate_series', '')],
["Texnik passport raqami", data.get('tec_passport_number', '')],
["Texnik passport berilgan sanasi", tec_date_str],
["Texnik passport berilgan joyi", data.get('tec_passport_place', '')],
["Kuzov turi", data.get('body_type', '')],
["Shassi", data.get('chassis', '')],
["Davlat belgisi (plate)", data.get('plate', '')], # ← was missing
]
table_data = [
[Paragraph(row[0], cell_style), Paragraph(str(row[1]), cell_style_bold)]
for row in raw_data
]
table = Table(table_data, colWidths=[170, 345])
table.setStyle(TableStyle([
('GRID', (0, 0), (-1, -1), 0.5, colors.black),
('VALIGN', (0, 0), (-1, -1), 'TOP'),
('LEFTPADDING', (0, 0), (-1, -1), 6),
('TOPPADDING', (0, 0), (-1, -1), 4),
('BOTTOMPADDING', (0, 0), (-1, -1), 4),
]))
elements.append(table)
elements.append(Spacer(1, 15))
elements.append(Paragraph("<b>Baholash maqsadi:</b>", cell_style))
purpose_raw = [
["Aniqlanayotgan qiymat turi", data.get('value_type', '')],
["Baholash maqsadi", data.get('evaluation_purpose', '')],
]
purpose_data = [
[Paragraph(r[0], cell_style), Paragraph(str(r[1]), cell_style_bold)]
for r in purpose_raw
]
pt = Table(purpose_data, colWidths=[170, 345])
pt.setStyle(TableStyle([
('GRID', (0, 0), (-1, -1), 0.5, colors.black),
('VALIGN', (0, 0), (-1, -1), 'TOP'),
]))
elements.append(pt)
elements.append(Spacer(1, 15))
elements.append(Paragraph("<b>Buyurtmachi rekvizitlari:</b>", cell_style))
footer_raw = [
["Shaxsiy raqam (PINFL)", str(data.get('personal_id_number', ''))],
["ID karta raqami", data.get('id_number', '')],
]
footer_data = [
[Paragraph(f[0], cell_style), Paragraph(str(f[1]), cell_style_bold)]
for f in footer_raw
]
ft = Table(footer_data, colWidths=[170, 345])
ft.setStyle(TableStyle([
('GRID', (0, 0), (-1, -1), 0.5, colors.black),
('VALIGN', (0, 0), (-1, -1), 'TOP'),
]))
elements.append(ft)
doc.build(elements)
buffer.seek(0)
return buffer

4
requirements.txt
View File

@@ -49,4 +49,6 @@ boto3
grpcio>=1.62.0
grpcio-tools>=1.62.0
protobuf>=4.25.0
protobuf>=4.25.0
reportlab