208 lines
6.9 KiB
Python
208 lines
6.9 KiB
Python
from fastapi import FastAPI, Response
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from escpos.printer import Dummy, Network
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import sys
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import json
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from pydantic import BaseModel
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from datetime import datetime
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app = FastAPI(
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title="Print Server FastAPI",
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description="Server that receive request for printing",
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version="0.0.1"
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)
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class Info(BaseModel):
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content: str
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ip_printer: str
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user_name: str
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def print_bill(data, address, waiter):
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d = data
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# Crea una instancia de la impresora ficticia
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# printer = Network(str(address))
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# printer.open()
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printer = Dummy()
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# Imprime el encabezado
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printer.set(align='center', bold=False, height=1, width=1)
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printer.text(d["shop_name"]+'\n')
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printer.text(d["shop_address"]+'\n')
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printer.set(align='left', bold=False, height=1, width=1)
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printer.textln('===============================================')
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text = d['state']
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printer.textln(text)
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if d['invoice'] and d['invoice']['resolution']:
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text = "Resolucion de Facturacion # " + \
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str(d['invoice']['resolution']['resolution_number']) \
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+ "\nValida desde " + \
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d['invoice']['resolution']['valid_date_time_from'] + \
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" hasta "+str(d['invoice']['resolution']['valid_date_time_to'])
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printer.textln(text)
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printer.ln()
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text = "Factura #: " + d['invoice']['invoice_number']
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printer.textln(text)
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printer.text("Cliente: " + d["party"]+'\n')
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printer.text("CC/NIT: " + d["tax_identifier_code"]+'\n')
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printer.text("Direccion: " + d["address"]+'\n')
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text = 'MESA: ' + str(d['table'] + "\n")
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printer.text(text)
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printer.textln('===============================================')
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printer.ln()
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for line in d["lines"]:
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if line['type'] != 'title':
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text = line['product']
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printer.text(text)
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printer.ln()
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text = str(line['quantity']) + " " + " $" + \
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line["unit_price"] + "\n"
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printer.text(text)
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printer.set(align='right', bold=False, height=1, width=1)
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printer.textln('================================================')
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text = "Descuento Realizado: "+str(d["total_discount"])+"\n"
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printer.text(text)
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text = "Total (sin impuestos): "+str(d["untaxed_amount"])+"\n"
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printer.text(text)
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text = "Impuestos (INC): "+str(d["tax_amount"])+"\n"
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printer.text(text)
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text = "Total: "+str(d["total"])+"\n"
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printer.text(text)
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printer.ln()
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if 'payments' in d.keys():
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printer.textln("Pagos: ")
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printer.textln('================================================')
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for payment in d['payments']:
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text = str(payment["statement"])+" $"+str(payment["amount"])
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printer.textln(text)
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printer.set(align='center', bold=False, height=1, width=1)
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printer.textln('==============================================\n')
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printer.text("Sigue nuestras redes sociales\n")
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printer.text("@bicipizza\n")
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printer.text("Recuerde que la propina es voluntaria.\n")
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printer.text("Gracias por visitarnos, vuelva pronto.\n")
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printer.text("SOFTWARE POTENCIADO POR ONECLUSTER.ORG.\n")
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format_date_time = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
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printer.text(str(format_date_time)+'\n')
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if waiter:
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printer.text("Atendido Por: \n")
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printer.text(str(waiter)+'\n')
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# Corta el papel (solo para impresoras que soportan esta función)
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printer.cut()
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printer.close()
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# Obtiene el contenido del ticket de prueba
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ticket_contenido = printer.output
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# Imprime el contenido en la consola
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sys.stdout.write(ticket_contenido.decode('utf-8'))
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def print_customer_order(data, address, waiter):
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d = data
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# Crea una instancia de la impresora ficticia
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# printer = Network(str(address))
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# printer.open()
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printer = Dummy()
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# Imprime el encabezado
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printer.set(align='center', bold=False, height=1, width=1)
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format_date_time = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
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printer.text(str(format_date_time)+'\n')
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if waiter:
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printer.text("Pedido Por: \n")
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printer.text(str(waiter)+'\n')
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printer.set(
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align='center', bold=False, height=2, width=2, custom_size=True
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)
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printer.text('========================\n')
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text = 'MESA: ' + str(d['table'] + "\n")
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printer.text(text)
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printer.text('========================\n')
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printer.set(align='left', bold=False, height=6, width=6)
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combination_pizza = False
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pizza = 0
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for line in d["lines"]:
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if line['type'] != 'title':
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if combination_pizza and pizza < 2:
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printer.set(align='center', bold=False, height=2, width=2, custom_size=True)
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pizza += 1
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elif pizza >= 2:
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combination_pizza = False
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printer.set(
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align='left', bold=False, height=2, width=2, custom_size=True
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)
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else:
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printer.set(
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align='left', bold=False, height=2, width=2, custom_size=True
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)
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text = line['product'] + " " + str(line['quantity']) + "\n"
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printer.text(text)
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if line['description']:
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text = line['description'] + "\n"
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printer.text(text)
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if pizza == 2:
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printer.ln()
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pizza = 0
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combination_pizza = False
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else:
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printer.set(
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align='left', bold=True, height=2, width=2, custom_size=True
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)
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printer.text("\nPIZZA COMBINADA\n")
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combination_pizza = True
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pizza = 0
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# Corta el papel (solo para impresoras que soportan esta función)
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printer.cut()
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printer.close()
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# Obtiene el contenido del ticket de prueba
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ticket_contenido = printer.output
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# Imprime el contenido en la consola
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sys.stdout.write(ticket_contenido.decode('utf-8'))
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@app.post("/print_bill")
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def print_ticket_bill(info: Info):
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info = dict(info)
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data = info["content"]
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address = info["ip_printer"]
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waiter = info["user_name"]
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data = json.loads(data.replace("'", "\""))
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print_bill(data, address, waiter)
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message = "!Impresión Realizada!"
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return Response(content=message, status_code=200)
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@app.post("/order_kitchen")
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def print_ticket_file_kitchen(info: Info):
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info = dict(info)
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data = info["content"]
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address = info["ip_printer"]
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waiter = info["user_name"]
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data = json.loads(data.replace("'", "\""))
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print_customer_order(data, address, waiter)
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message = "!Impresión Realizada!"
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return Response(content=message, status_code=200)
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@app.post("/order_bar")
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def print_ticket_file_bar(info: Info):
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info = dict(info)
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data = info["content"]
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address = info["ip_printer"]
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waiter = info["user_name"]
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data = json.loads(data.replace("'", "\""))
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print_customer_order(data, address, waiter)
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message = "!Impresión Realizada!"
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return Response(content=message, status_code=200)
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