Creating APIs with the appropriate models

billing/apps.py

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+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.apps import AppConfig
+
+
+class BillingConfig(AppConfig):
+    name = 'billing'

billing/urls.py

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+from django.conf.urls import url
+from . import views
+
+urlpatterns = [
+    url(r'^$', views.billinglisting, name="billinglisting"),
+    url(r'^add$', views.add, name="add"),
+    url(r'^delete/(?P<id>\w{0,50})/$', views.delete, name="delete"),
+    url(r'^update/(?P<billingId>\w{0,50})/$', views.update, name="update"),
+]

billing/views.py

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+from django.shortcuts import render, redirect
+from django.http import HttpResponse
+from django.conf import settings
+from django.db.models import Q
+from django.core.files.storage import FileSystemStorage
+from django.contrib import messages
+from django.db import connection
+
+
+# Create your views here.
+
+def billinglisting(request):
+    cursor = connection.cursor()
+    cursor.execute(
+        "SELECT * FROM billing, booking, room, customer_customer WHERE booking_id = billing_booking_id AND booking_room_id = room_id AND booking_customer_id = customer_id")
+    billinglist = dictfetchall(cursor)
+
+    context = {
+        "billinglist": billinglist
+    }
+
+    # Message according Billing #
+    context['heading'] = "Billing Details";
+    return render(request, 'billing-view.html', context)
+
+
+def dictfetchall(cursor):
+    "Return all rows from a cursor as a dict"
+    columns = [col[0] for col in cursor.description]
+    return [
+        dict(zip(columns, row))
+        for row in cursor.fetchall()
+    ]
+
+def getDropDown(table, condtion):
+    cursor = connection.cursor()
+    cursor.execute("SELECT * FROM " + table + " WHERE " + condtion)
+    dropdownList = dictfetchall(cursor)
+    return dropdownList;
+
+
+def getData(id):
+    cursor = connection.cursor()
+    cursor.execute("SELECT * FROM billing WHERE billing_id = " + id)
+    dataList = dictfetchall(cursor)
+    return dataList[0];
+
+def update(request, billingId):
+    context = {
+        "fn": "update",
+        "bookinglist": getDropDown('booking', 'booking_id'),
+        "billingDetails": getData(billingId),
+        "heading": 'Billing Update',
+    }
+    if (request.method == "POST"):
+        cursor = connection.cursor()
+        cursor.execute("""
+                   UPDATE billing
+                   SET billing_booking_id=%s, billing_date=%s, billing_room_rent=%s, billing_food_bill=%s, billing_laundry_bill=%s, billing_description=%s WHERE billing_id = %s
+                """, (
+             request.POST['billing_booking_id'],
+            request.POST['billing_date'],
+            request.POST['billing_room_rent'],
+            request.POST['billing_food_bill'],
+            request.POST['billing_laundry_bill'],
+            request.POST['billing_description'],
+            billingId
+        ))
+        context["billingDetails"] =  getData(billingId)
+        messages.add_message(request, messages.INFO, "Billing updated succesfully !!!")
+        return redirect('billinglisting')
+    else:
+        return render(request, 'billing.html', context)
+
+
+
+
+def add(request):
+    context = {
+        "fn": "add",
+        "bookinglist": getDropDown('booking', 'booking_id'),
+        "heading": 'Billing Details'
+    };
+    if (request.method == "POST"):
+        cursor = connection.cursor()
+        cursor.execute("""
+		   INSERT INTO billing
+		   SET billing_booking_id=%s, billing_date=%s, billing_room_rent=%s, billing_food_bill=%s, billing_laundry_bill=%s, billing_description=%s		   
+		""", (
+            request.POST['billing_booking_id'],
+            request.POST['billing_date'],
+            request.POST['billing_room_rent'],
+            request.POST['billing_food_bill'],
+            request.POST['billing_laundry_bill'],
+            request.POST['billing_description']))
+        return redirect('billinglisting')
+    return render(request, 'billing.html', context)
+
+
+def delete(request, id):
+    cursor = connection.cursor()
+    sql = 'DELETE FROM billing WHERE billing_id=' + id
+    cursor.execute(sql)
+    return redirect('billinglisting')

booking/apps.py

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+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.apps import AppConfig
+
+
+class BookingConfig(AppConfig):
+    name = 'booking'

booking/urls.py

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+from django.conf.urls import url
+from . import views
+
+urlpatterns = [
+    url(r'^$', views.bookinglisting, name="bookinglisting"),
+    url(r'^cancel$', views.cancellisting, name="cancellisting"),
+    url(r'^add$', views.add, name="add"),
+    url(r'^delete/(?P<id>\w{0,50})/$', views.delete, name="delete"),
+    url(r'^update/(?P<bookingId>\w{0,50})/$', views.update, name="update"),
+]

booking/views.py

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+from django.shortcuts import render, redirect
+from django.http import HttpResponse
+from django.conf import settings
+from django.db.models import Q
+from django.core.files.storage import FileSystemStorage
+from django.contrib import messages
+from django.db import connection
+
+
+# Create your views here.
+
+def bookinglisting(request):
+    cursor = connection.cursor()
+    cursor.execute(
+        "SELECT * FROM booking, customer_customer, room WHERE room_id = booking_room_id AND booking_customer_id = customer_id")
+    bookinglist = dictfetchall(cursor)
+
+    context = {
+        "bookinglist": bookinglist
+    }
+
+    # Message according Booking #
+    context['heading'] = "Booking Details";
+    return render(request, 'booking-view.html', context)
+
+def cancellisting(request):
+    cursor = connection.cursor()
+    cursor.execute(
+        "SELECT * FROM booking, customer_customer, room, status WHERE status_id = booking_status AND room_id = booking_room_id AND booking_customer_id = customer_id AND booking_status = 3")
+    bookinglist = dictfetchall(cursor)
+
+    context = {
+        "bookinglist": bookinglist
+    }
+
+    # Message according Booking #
+    context['heading'] = "Booking Details";
+    return render(request, 'cancel-view.html', context)
+
+
+def dictfetchall(cursor):
+    "Return all rows from a cursor as a dict"
+    columns = [col[0] for col in cursor.description]
+    return [
+        dict(zip(columns, row))
+        for row in cursor.fetchall()
+    ]
+
+def getDropDown(table, condtion):
+    cursor = connection.cursor()
+    cursor.execute("SELECT * FROM " + table + " WHERE " + condtion)
+    dropdownList = dictfetchall(cursor)
+    return dropdownList;
+
+
+def getData(id):
+    cursor = connection.cursor()
+    cursor.execute("SELECT * FROM booking WHERE booking_id = " + id)
+    dataList = dictfetchall(cursor)
+    return dataList[0];
+
+def update(request, bookingId):
+    context = {
+        "fn": "update",
+        "customerlist": getDropDown('customer_customer', 'customer_id'),
+        "roomlist": getDropDown('room', 'room_id'),
+        "bookingDetails": getData(bookingId),
+        "statuslist": getDropDown('status', 'status_id'),
+        "heading": 'Booking Update',
+    }
+    if (request.method == "POST"):
+        cursor = connection.cursor()
+        cursor.execute("""
+                   UPDATE booking
+                   SET booking_room_id=%s, booking_customer_id=%s, booking_from_date=%s, booking_to_date=%s, booking_status=%s, booking_amount=%s, booking_description=%s WHERE booking_id = %s
+                """, (
+            request.POST['booking_room_id'],
+            request.POST['booking_customer_id'],
+            request.POST['booking_from_date'],
+            request.POST['booking_to_date'],
+            request.POST['booking_status'],
+            request.POST['booking_amount'],
+            request.POST['booking_description'],
+            bookingId
+        ))
+        context["bookingDetails"] =  getData(bookingId)
+        messages.add_message(request, messages.INFO, "Booking updated succesfully !!!")
+        return redirect('bookinglisting')
+    else:
+        return render(request, 'booking.html', context)
+
+
+
+
+def add(request):
+    context = {
+        "fn": "add",
+        "customerlist": getDropDown('customer_customer', 'customer_id'),
+        "statuslist": getDropDown('status', 'status_id'),
+        "roomlist": getDropDown('room', 'room_id'),
+        "heading": 'Booking Details'
+    };
+    if (request.method == "POST"):
+        cursor = connection.cursor()
+        cursor.execute("""
+		   INSERT INTO booking
+		   SET booking_room_id=%s, booking_customer_id=%s, booking_from_date=%s, booking_to_date=%s, booking_status=%s, booking_amount=%s, booking_description=%s		   
+		""", (
+            request.POST['booking_room_id'],
+            request.POST['booking_customer_id'],
+            request.POST['booking_from_date'],
+            request.POST['booking_to_date'],
+            request.POST['booking_status'],
+            request.POST['booking_amount'],
+            request.POST['booking_description']))
+        return redirect('bookinglisting')
+    return render(request, 'booking.html', context)
+
+
+def delete(request, id):
+    cursor = connection.cursor()
+    sql = 'DELETE FROM booking WHERE booking_id=' + id
+    cursor.execute(sql)
+    return redirect('bookinglisting')

cleaning/apps.py

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+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.apps import AppConfig
+
+
+class CleaningConfig(AppConfig):
+    name = 'cleaning'

cleaning/urls.py

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+from django.conf.urls import url
+from . import views
+
+urlpatterns = [
+    url(r'^$', views.cleaninglisting, name="cleaninglisting"),
+    url(r'^add$', views.add, name="add"),
+    url(r'^delete/(?P<id>\w{0,50})/$', views.delete, name="delete"),
+    url(r'^update/(?P<cleaningId>\w{0,50})/$', views.update, name="update"),
+]

cleaning/views.py

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+from django.shortcuts import render, redirect
+from django.http import HttpResponse
+from django.conf import settings
+from django.db.models import Q
+from django.core.files.storage import FileSystemStorage
+from django.contrib import messages
+from django.db import connection
+
+
+# Create your views here.
+
+def cleaninglisting(request):
+    cursor = connection.cursor()
+    cursor.execute(
+        "SELECT * FROM cleaning, room WHERE room_id = cleaning_room_id")
+    cleaninglist = dictfetchall(cursor)
+
+    context = {
+        "cleaninglist": cleaninglist
+    }
+
+    # Message according Cleaning #
+    context['heading'] = "Cleaning Details";
+    return render(request, 'cleaning-view.html', context)
+
+
+def dictfetchall(cursor):
+    "Return all rows from a cursor as a dict"
+    columns = [col[0] for col in cursor.description]
+    return [
+        dict(zip(columns, row))
+        for row in cursor.fetchall()
+    ]
+
+def getDropDown(table, condtion):
+    cursor = connection.cursor()
+    cursor.execute("SELECT * FROM " + table + " WHERE " + condtion)
+    dropdownList = dictfetchall(cursor)
+    return dropdownList;
+
+
+def getData(id):
+    cursor = connection.cursor()
+    cursor.execute("SELECT * FROM cleaning WHERE cleaning_id = " + id)
+    dataList = dictfetchall(cursor)
+    return dataList[0];
+
+def update(request, cleaningId):
+    context = {
+        "fn": "update",
+        "roomlist": getDropDown('room', 'room_id'),
+        "cleaningDetails": getData(cleaningId),
+        "heading": 'Cleaning Update',
+    }
+    if (request.method == "POST"):
+        cursor = connection.cursor()
+        cursor.execute("""
+                   UPDATE cleaning
+                   SET cleaning_room_id=%s, cleaning_date=%s, cleaning_description=%s WHERE cleaning_id = %s
+                """, (
+            request.POST['cleaning_room_id'],
+            request.POST['cleaning_date'],
+            request.POST['cleaning_description'],
+            cleaningId
+        ))
+        context["cleaningDetails"] =  getData(cleaningId)
+        messages.add_message(request, messages.INFO, "Cleaning updated succesfully !!!")
+        return redirect('cleaninglisting')
+    else:
+        return render(request, 'cleaning.html', context)
+
+
+
+
+def add(request):
+    context = {
+        "fn": "add",
+        "roomlist": getDropDown('room', 'room_id'),
+        "heading": 'Cleaning Details'
+    };
+    if (request.method == "POST"):
+        cursor = connection.cursor()
+        cursor.execute("""
+		   INSERT INTO cleaning
+		   SET cleaning_room_id=%s, cleaning_date=%s, cleaning_description=%s		   
+		""", (
+            request.POST['cleaning_room_id'],
+            request.POST['cleaning_date'],
+            request.POST['cleaning_description']))
+        return redirect('cleaninglisting')
+    return render(request, 'cleaning.html', context)
+
+
+def delete(request, id):
+    cursor = connection.cursor()
+    sql = 'DELETE FROM cleaning WHERE cleaning_id=' + id
+    cursor.execute(sql)
+    return redirect('cleaninglisting')

customer/apps.py

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+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.apps import AppConfig
+
+
+class CustomerConfig(AppConfig):
+    name = 'customer'