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83 lines
2.6 KiB
83 lines
2.6 KiB
from django.contrib.auth.decorators import login_required
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from django.http import HttpResponse
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import openpyxl
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import csv
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from django.template.loader import get_template
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from xhtml2pdf import pisa
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from django.shortcuts import render
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from .models import inventario
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@login_required
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def generar_reporte_pdf(request):
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# Obtener datos del inventario
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inventarios = inventario.objects.all()
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# Cargar la plantilla
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template = get_template('pdf.html')
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context = {'inventarios': inventarios}
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# Renderizar la plantilla a HTML
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html = template.render(context)
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# Crear un objeto de respuesta PDF
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response = HttpResponse(content_type='application/pdf')
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response['Content-Disposition'] = 'inline; filename="reporte.pdf"'
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# Convertir HTML a PDF
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pisa_status = pisa.CreatePDF(html, dest=response)
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if pisa_status.err:
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return HttpResponse(f'Error al generar PDF: {pisa_status.err}', status=500)
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return response
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@login_required
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def generar_reporte_excel(request):
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# Crear un nuevo libro de Excel
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wb = openpyxl.Workbook()
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ws = wb.active
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ws.title = 'Reporte de Inventario'
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# Encabezados
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headers = ['ID', 'Bodega', 'Artículo', 'Cantidad', 'Precio']
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ws.append(headers)
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# Datos del inventario
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for item in inventario.objects.all():
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ws.append([item.id, item.bodega.nombre_bodega, item.articulo.nombre_articulo, item.cantidad, item.precio])
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# Configurar la respuesta HTTP
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response = HttpResponse(content_type='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet')
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response['Content-Disposition'] = 'attachment; filename="reporte_inventario.xlsx"'
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# Guardar el archivo en la respuesta
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wb.save(response)
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return response
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@login_required
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def generar_reporte_csv(request):
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# Configurar la respuesta HTTP
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response = HttpResponse(content_type='text/csv')
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response['Content-Disposition'] = 'attachment; filename="reporte_inventario.csv"'
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writer = csv.writer(response)
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# Encabezados
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writer.writerow(['ID', 'Bodega', 'Artículo', 'Cantidad', 'Precio'])
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# Datos del inventario
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for item in inventario.objects.all():
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writer.writerow([item.id, item.bodega.nombre_bodega, item.articulo.nombre_articulo, item.cantidad, item.precio])
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return response
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@login_required
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def generar_grafico_chartjs(request):
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inventarios = inventario.objects.all()
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productos = [item.articulo.nombre_articulo for item in inventarios]
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cantidades = [item.cantidad for item in inventarios]
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return render(request, 'grafico_chartjs.html', {
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'productos': productos,
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'cantidades': cantidades,
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}) |