Spaces:
Sleeping
Sleeping
Commit ·
06519d7
1
Parent(s): 86f0d9b
- .gitignore +0 -0
- Dockerfile +15 -0
- app.py +172 -0
- img/logo.png +0 -0
- requirements.txt +3 -0
.gitignore
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File without changes
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Dockerfile
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# Usa una imagen base de Python
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FROM python:3.9
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# Establece el directorio de trabajo
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WORKDIR /code
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# Copia los archivos necesarios al contenedor
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COPY ./requirements.txt /code/requirements.txt
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RUN pip install --no-cache-dir -r /code/requirements.txt
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COPY . .
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RUN chmod -R 777 /code
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# Comando para ejecutar la aplicación
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CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]
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app.py
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from urllib.parse import quote
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from fastapi.staticfiles import StaticFiles
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from reportlab.lib.units import cm
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from fastapi import FastAPI, HTTPException
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import JSONResponse
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from pydantic import BaseModel
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from io import BytesIO
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from reportlab.lib.pagesizes import A4
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from reportlab.pdfgen import canvas
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from typing import List
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import os
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app = FastAPI()
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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class ClientInfo(BaseModel):
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nombre: str
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telefono: str
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direccion: str
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class ProductItem(BaseModel):
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numero_de_item: int
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cantidad: int
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descripcion: str
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precio: float
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class InvoiceData(BaseModel):
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ruc: str
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cliente: ClientInfo
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productos: List[ProductItem]
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LOGO_PATH = "./img/logo.png"
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def generate_pdf(data: InvoiceData):
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buffer = BytesIO()
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p = canvas.Canvas(buffer, pagesize=A4)
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width, height = A4
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# Establecer márgenes
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margin_left = 2.54 * cm
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margin_top = 2.54 * cm
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# Logo de la empresa
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logo_width, logo_height = 60, 60
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p.drawInlineImage(
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LOGO_PATH,
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margin_left,
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height - margin_top - logo_height + 25, # Ajuste de 10 puntos para el espacio
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width=logo_width,
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height=logo_height,
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)
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# Nombre de la empresa y número de RUC
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p.setFont("Helvetica-Bold", 16)
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# Alinear a la derecha
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p.drawRightString(width - margin_left, height - margin_top, f"Arte Visual")
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p.drawRightString(
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width - margin_left, height - margin_top - 20, f"Número de RUC: {data.ruc}"
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)
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# Datos del cliente
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p.setFont("Helvetica", 12)
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p.drawString(margin_left, height - margin_top - 60, "Datos del cliente:")
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p.drawString(
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margin_left, height - margin_top - 80, f"Nombre: {data.cliente.nombre}"
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)
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p.drawString(
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margin_left, height - margin_top - 100, f"Teléfono: {data.cliente.telefono}"
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)
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p.drawString(
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margin_left,
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height - margin_top - 120,
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f"Dirección: {data.cliente.direccion}",
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)
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# Tabla de productos
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p.setFont("Helvetica", 12)
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p.drawString(margin_left, height - margin_top - 140, "Productos adquiridos:")
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headers = [
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"N° de item",
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"Cantidad",
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"Nombre o descripción del producto",
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"Precio",
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]
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col_widths = [70, 70, 250, 70]
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x_table = margin_left
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y_table = height - margin_top - 160
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# Línea horizontal superior de la tabla
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p.line(x_table, y_table, x_table + sum(col_widths), y_table)
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# Encabezados
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p.setFont("Helvetica", 12)
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for header, width in zip(headers, col_widths):
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p.drawString(x_table, y_table - 15, header)
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x_table += width
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# Línea horizontal inferior de la tabla
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p.line(margin_left, y_table - 20, margin_left + sum(col_widths), y_table - 20)
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# Ejemplo de datos de la tabla
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y_row = y_table - 40
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for row in data.productos:
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x_table = margin_left
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for key, width in zip(headers, col_widths):
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# Manejo específico para el número de ítem
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if key.lower() == "n° de item":
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value = row.numero_de_item
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elif key.lower() == "nombre o descripción del producto":
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value = row.descripcion
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elif key.lower() == "precio":
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# Alinear el precio a la derecha respetando el margen derecho
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value = f"S/. {row.precio:.2f}"
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else:
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# Utilizamos el nombre de la clave directamente para acceder al valor
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value = row.dict().get(key.lower().replace(" ", "_"), None)
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p.drawString(x_table, y_row, str(value))
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x_table += width
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y_row -= 15
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total = sum(row.cantidad * row.precio for row in data.productos)
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p.setFont("Helvetica-Bold", 13)
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p.drawString(margin_left + 370, y_row - 30, f"Total: S/. {total}")
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p.showPage()
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p.save()
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buffer.seek(0)
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return buffer
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from fastapi import Request
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app.mount("/pdf", StaticFiles(directory="pdfs"), name="pdf")
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@app.post("/generate_pdf")
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def generate_and_redirect(data: InvoiceData):
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try:
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buffer = generate_pdf(data)
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directorio_actual = os.getcwd()
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pdfs_directory = os.path.join(directorio_actual, "pdfs")
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pdfs_directory = os.path.normpath(pdfs_directory)
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if not os.path.exists(pdfs_directory):
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os.makedirs(pdfs_directory)
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file_name = f"factura_{data.cliente.nombre.replace(' ', '_')}.pdf"
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file_path = os.path.join(pdfs_directory, file_name)
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file_path = os.path.normpath(file_path)
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with open(file_path, "wb") as file:
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file.write(buffer.read())
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pdf_url = f"/pdf/{quote(file_name)}"
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return JSONResponse(content={"pdf_url": pdf_url})
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except Exception as e:
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raise HTTPException(status_code=500, detail=str(e))
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img/logo.png
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requirements.txt
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@@ -0,0 +1,3 @@
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fastapi
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uvicorn
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reportlab
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