From 82c5fb7159cbb0902797d438b23fdf25aa60e13b Mon Sep 17 00:00:00 2001
From: Anish Singh <anish.singh58@gmail.com>
Date: Sat, 21 Jul 2018 15:35:49 +0530
Subject: [PATCH 1/5] Rev remaned

---
 Lecture_10/zomato/templates/main/restaurant.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lecture_10/zomato/templates/main/restaurant.html b/Lecture_10/zomato/templates/main/restaurant.html
index 718e1f9..fe29443 100644
--- a/Lecture_10/zomato/templates/main/restaurant.html
+++ b/Lecture_10/zomato/templates/main/restaurant.html
@@ -22,7 +22,7 @@ <h2> Reviews </h2>
     </ul>
 
     {% if success %}
-        <p> Restaurant review Added </p>
+        <p> Review Added </p>
     {% endif %}
 
     <h2> Add Review </h2>

From 39a49702b400d076bb3b04988067878832c70b14 Mon Sep 17 00:00:00 2001
From: Anish Singh <anish.singh58@gmail.com>
Date: Sat, 21 Jul 2018 20:18:24 +0530
Subject: [PATCH 2/5] 3 Tasks Completed

---
 Lecture_10/zomato/db.sqlite3                  | Bin 143360 -> 143360 bytes
 Lecture_10/zomato/main/models.py              |  52 +++++++-------
 Lecture_10/zomato/main/urls.py                |   4 +-
 Lecture_10/zomato/main/views.py               |  58 +++++++++------
 Lecture_10/zomato/templates/main/base.html    |  66 ++++++++++++++----
 Lecture_10/zomato/templates/main/index.html   |  23 +++---
 .../zomato/templates/main/restaurant.html     |  17 ++---
 .../zomato/templates/main/restaurants.html    |  30 +++++---
 Lecture_10/zomato/zomato/settings.py          |   2 +-
 9 files changed, 163 insertions(+), 89 deletions(-)

diff --git a/Lecture_10/zomato/db.sqlite3 b/Lecture_10/zomato/db.sqlite3
index d38ab2b110a4438d4a10db94cff87239904d457e..9e693fcd03604de62d61e34bce8e6f08e6753e6d 100644
GIT binary patch
delta 113
zcmZp8z|ru4V}dlJ)kGO*Rx1WQi4z-B9Q7GlnwRNsU#8C(cY%k6Ux9&Nfxm}8mjBvj
zMFj!==?eTzD+~p-O=V@BGIMfD6#^2AHCWgf<mF{$i}Q0+OENO^(u)(56N^E}(9p`j
O0Ei5>|Kw+4R{#J?Iv`O1

delta 85
zcmV-b0IL6h;0S==2#^~AIguPg1vvmN6ydRCK`#LVgQhRHrY`|r&<X<&AOH^_4~!38
rvmqc750@Yh0;m)_D>WS*LTPMlbs$h-b97-KNOg3VIS&FPrVs)kGxZn3

diff --git a/Lecture_10/zomato/main/models.py b/Lecture_10/zomato/main/models.py
index 999699b..1859391 100644
--- a/Lecture_10/zomato/main/models.py
+++ b/Lecture_10/zomato/main/models.py
@@ -1,33 +1,33 @@
 from django.db import models
-from django.db.models import Avg
-from django.core.validators import MaxValueValidator, MinValueValidator
+from django.core.validators import MaxValueValidator , MinValueValidator
 
-# Create your models here.
 
-class Restaurant(models.Model):
-    name = models.CharField(max_length = 100)
-    address = models.TextField(max_length = 512)
-    open_time = models.TimeField()
-    close_time = models.TimeField()
-
-    def get_rating(self):
-        return self.review_set.aggregate(Avg('rating'))['rating__avg']
 
-    def __str__(self):
-        return self.name
+class Restaurant(models.Model):
+	name = models.CharField(max_length = 100)
+	address = models.TextField(max_length = 512)
+	open_time = models.TimeField()
+	close_time = models.TimeField()
+	def get_data(self):
+		 return {
+			'Name': self.name,
+			'Address': self.address,
+			'Open Time': self.open_time.strftime('%I:%M %p'),
+			'Close Time': self.close_time.strftime('%I:%M %p'),
+			'Average Rating': self.review_set.aggregate(models.Avg('rating'))['rating__avg'],
+	}
+	def __str__(self):
+		return self.name
 
 class Review(models.Model):
-    restaurant = models.ForeignKey(Restaurant, on_delete = models.CASCADE)
-    author = models.CharField(max_length = 100)
-    title = models.CharField(max_length = 100)
-    content = models.TextField(max_length=1024)
-    rating = models.IntegerField(validators=[
-        MaxValueValidator(5),
-        MinValueValidator(0)
-    ])
-
-    def get_stars(self):
-        return "* "*self.rating
+	restaurant = models.ForeignKey(Restaurant, on_delete = models.CASCADE)
+	author = models.CharField(max_length = 100)
+	title = models.CharField(max_length = 100)
+	content = models.TextField(max_length=1024)
+	rating = models.IntegerField(validators=[
+		MaxValueValidator(5),
+		MinValueValidator(0)
+	])
+	def __str__(self):
+		return self.title
 
-    def __str__(self):
-        return self.title
\ No newline at end of file
diff --git a/Lecture_10/zomato/main/urls.py b/Lecture_10/zomato/main/urls.py
index 4e188ba..ec8b1ea 100644
--- a/Lecture_10/zomato/main/urls.py
+++ b/Lecture_10/zomato/main/urls.py
@@ -3,8 +3,8 @@
 
 urlpatterns = [
     path('', views.index, name = 'index'),
-    path('restaurants/', views.restaurants, name = 'restaurants'),
-    path('addRestaurants/', views.add_restraunt, name = 'addRestaurants'),
+    path('restaurants/', views.Restaurants, name = 'restaurants'),
+    path('addRestaurants/', views.add_rest, name = 'addRestaurants'),
     path('restaurant/<int:id>', views.restaurant, name = 'restaurant'),
     path('review/<int:id>', views.review, name = 'review')
 ]
\ No newline at end of file
diff --git a/Lecture_10/zomato/main/views.py b/Lecture_10/zomato/main/views.py
index 879b96d..5e0a7ee 100644
--- a/Lecture_10/zomato/main/views.py
+++ b/Lecture_10/zomato/main/views.py
@@ -1,31 +1,41 @@
-from django.http import HttpResponse, Http404
-from django.shortcuts import render, get_object_or_404
-from django.db.models import Avg
-
+from django.shortcuts import render , get_object_or_404
+from django.http import HttpResponse
 from . import models
+from django.db.models import Avg
 from . import forms
 
-# Create your views here.
+
 def index(request):
-    context = {}
-    return render(request, 'main/index.html', context)
+    context={}
+    return render(request,r'main\index.html',context)
 
-def restaurants(request):
-    query_set = models.Restaurant.objects.all()
+def Restaurants(request):
+    qs=models.Restaurant.objects.all()
+    
+    f=request.GET['filter']
+    r=request.GET['reverse']
 
-    query_set = query_set.annotate(average_rating = Avg('review__rating')).order_by('-average_rating')
+    if f=='a2z' and r=='0':
+        qs=qs.order_by('name')
+    elif f=='a2z' and r=='1':
+        qs=qs.order_by('-name')
+    elif f=='rating' and r=='0':
+        qs=qs.annotate(average_rating=Avg('review__rating')).order_by('average_rating')
+    elif f=='rating' and r=='1':
+        qs=qs.annotate(average_rating=Avg('review__rating')).order_by('-average_rating')
 
-    print(request.GET)
 
-    context = {
-        "query_set": query_set,
+    print(request.GET)
+    context={
+        'qs' :qs,
+        'r':r,
+        'f':f
     }
-    return render(request, 'main/restaurants.html', context)
-
-def add_restraunt(request):
+    return render(request,r'main\restaurants.html',context )
+def add_rest(request):
     if request.method == "GET":
-        form = forms.RestaurantForm()
-    else: # POST request
+         form = forms.RestaurantForm()
+    else:
         form = forms.RestaurantForm(request.POST)
 
         if form.is_valid():
@@ -35,12 +45,13 @@ def add_restraunt(request):
     context = {
         'form': form
     }
-    return render(request, 'main/addRestaurant.html', context)
+    return render(request, r'main/addRestaurant.html', context)
 
 def restaurant(request, id):
+    
     rest = get_object_or_404(models.Restaurant, pk = id)
     success = False
-
+    
     # Handling the form
     if request.method == "GET":
         form = forms.ReviewForm()
@@ -58,7 +69,7 @@ def restaurant(request, id):
         'form': form,
         'success': success
     }
-    return render(request, 'main/restaurant.html', context)
+    return render(request, r'main\restaurant.html', context)
 
 def review(request, id):
     obj = get_object_or_404(models.Review, pk = id)
@@ -66,4 +77,7 @@ def review(request, id):
     context = {
         'review': obj
     }
-    return render(request, 'main/review.html', context)
\ No newline at end of file
+    return render(request, r'main/review.html', context)
+
+
+
diff --git a/Lecture_10/zomato/templates/main/base.html b/Lecture_10/zomato/templates/main/base.html
index 2ac247b..07cad07 100644
--- a/Lecture_10/zomato/templates/main/base.html
+++ b/Lecture_10/zomato/templates/main/base.html
@@ -1,17 +1,55 @@
 <!DOCTYPE html>
 <html>
-    <head>
-        <meta charset="utf-8" />
-        <meta http-equiv="X-UA-Compatible" content="IE=edge">
-        <title>Zomato Application</title>
-        <meta name="viewport" content="width=device-width, initial-scale=1">
-        <link rel="stylesheet" type="text/css" media="screen" href="main.css" />
-        <script src="main.js"></script>
-        {% block head %} {% endblock %}
-    </head>
-    <body>
-       
-        {% block body %} {% endblock %}
-
-    </body>
+<head>
+    <style>
+        .dropbtn {
+    background-color: #4CAF50;
+    color: white;
+    padding: 16px;
+    font-size: 16px;
+    border: none;
+}
+
+
+.dropdown {
+    position: relative;
+    display: inline-block;
+}
+
+
+.dropdown-content {
+    display: none;
+    position: absolute;
+    background-color: #f1f1f1;
+    min-width: 160px;
+    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
+    z-index: 1;
+}
+
+
+.dropdown-content a {
+    color: black;
+    padding: 12px 16px;
+    text-decoration: none;
+    display: block;
+}
+
+
+.dropdown-content a:hover {background-color: #ddd;}
+
+
+.dropdown:hover .dropdown-content {display: block;}
+
+.dropdown:hover .dropbtn {background-color: #3e8e41;}
+    </style>
+    <meta charset="utf-8" />
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <title>Zomato Application</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <link rel="stylesheet" type="text/css" media="screen" href="main.css" />
+    <script src="main.js"></script>
+</head>
+<body>
+    {% block body %}   {% endblock %}
+</body>
 </html>
\ No newline at end of file
diff --git a/Lecture_10/zomato/templates/main/index.html b/Lecture_10/zomato/templates/main/index.html
index e152754..09fd03a 100644
--- a/Lecture_10/zomato/templates/main/index.html
+++ b/Lecture_10/zomato/templates/main/index.html
@@ -2,13 +2,20 @@
 
 {% block body %}
 
-    <h1> Welcome to our zomato app </h1>
-
-    <h3> Navigation </h3>
-
-    <ul>
-        <li> <a href="{% url 'restaurants' %}"> Restaurants </a> </li>
-        <li> <a href="{% url 'addRestaurants' %}"> Add Restaurant </a> </li>
-    </ul>
+<h1 align=center> Welcome to our zomato app </h1>
+<h2>
+Navigation
+</h2>
+<ul>
+        <li> <a href="{% url 'restaurants' %}?filter=a2z&reverse=0"> Restaurants </a> </li>
+    <li>
+        <a href="{% url 'addRestaurants' %}" 
+        onclick="window.open('addRestaurants', 
+        'newwindow', 
+        'width=300,height=250'); 
+         return false;"
+        >add Restaurant</a>
+    </li>
+</ul>
 
 {% endblock %}
\ No newline at end of file
diff --git a/Lecture_10/zomato/templates/main/restaurant.html b/Lecture_10/zomato/templates/main/restaurant.html
index fe29443..89cbf74 100644
--- a/Lecture_10/zomato/templates/main/restaurant.html
+++ b/Lecture_10/zomato/templates/main/restaurant.html
@@ -2,12 +2,9 @@
 
 {% block body %}
 
-    Name: {{ restaurant.name }}<br>
-    Address: {{ restaurant.address }}<br>
-    Open Time: {{ restaurant.open_time }}<br>
-    Close Time: {{ restaurant.close_time }}<br>
-
-    Average Rating: {{ restaurant.get_rating }}
+    {% for f,v in restaurant.get_data.items %}
+        {{ f }}: {{v}} <br>
+    {% endfor %}
 
     <h2> Reviews </h2>
 
@@ -15,14 +12,18 @@ <h2> Reviews </h2>
 
         {% for review in restaurant.review_set.all %}
 
-            <li> <a target="_blank" href="{% url 'review' id=review.pk %}"> {{ review.title }} - {{ review.get_stars }} </a> </li>
+            <li> <a onclick="window.open('{% url 'review' id=review.pk %}', 
+                '', 
+                'width=300,height=250'); 
+                return false;"
+                href="{% url 'review' id=review.pk %}"> {{ review.title }} - {{ review.get_stars }} </a> </li>
 
         {% endfor %}
 
     </ul>
 
     {% if success %}
-        <p> Review Added </p>
+        <p> Restaurant review Added </p>
     {% endif %}
 
     <h2> Add Review </h2>
diff --git a/Lecture_10/zomato/templates/main/restaurants.html b/Lecture_10/zomato/templates/main/restaurants.html
index 191f8c2..73ae7a0 100644
--- a/Lecture_10/zomato/templates/main/restaurants.html
+++ b/Lecture_10/zomato/templates/main/restaurants.html
@@ -2,18 +2,32 @@
 
 {% block body %}
 
-    <h1> Restaurants </h1>
+<h1 align=center> Restaurants </h1>
+
+<div class="dropdown">
+        <button class="dropbtn">Sort By</button>
+        <div class="dropdown-content">
+          <a href="{% url 'restaurants' %}?filter=a2z&reverse=0">a2z Asc</a>
+          <a href="{% url 'restaurants' %}?filter=a2z&reverse=1">a2z Desc</a>
+          <a href="{% url 'restaurants' %}?filter=rating&reverse=0">rating Asc</a>
+          <a href="{% url 'restaurants' %}?filter=rating&reverse=1">rating Desc</a>
+        </div>
+      
+<pre>
+
 
-    <ul>
 
-    {% for restaurant in query_set %}
 
-        <li> 
-            <a href="{% url 'restaurant' id=restaurant.pk %}"> {{ restaurant.name }} </a> ( Average Rating: {{ restaurant.get_rating }} ) 
-        </li>
 
-    {% endfor %}
 
-    </ul>
+  
+</pre>
+<h2 align='center'>List Of Restaurants</h2>
+<ul align='center'>
+    {% for restaurant in qs %}
+   <li> <a href="{% url 'restaurant' id=restaurant.pk %}"> {{ restaurant.name }} </a> </li>
 
+
+    {% endfor %}
+</ul>
 {% endblock %}
\ No newline at end of file
diff --git a/Lecture_10/zomato/zomato/settings.py b/Lecture_10/zomato/zomato/settings.py
index da85ccb..b897ba9 100644
--- a/Lecture_10/zomato/zomato/settings.py
+++ b/Lecture_10/zomato/zomato/settings.py
@@ -56,7 +56,7 @@
     {
         'BACKEND': 'django.template.backends.django.DjangoTemplates',
         'DIRS': [
-            os.path.join(BASE_DIR, 'templates/')
+            os.path.join(BASE_DIR, 'templates')
         ],
         'APP_DIRS': True,
         'OPTIONS': {

From fb09eb6694615f49938837aa2e21a20e18cfcb3c Mon Sep 17 00:00:00 2001
From: Anish Singh <anish.singh58@gmail.com>
Date: Sun, 22 Jul 2018 15:21:11 +0530
Subject: [PATCH 3/5] Review rating fixed

---
 Lecture_10/zomato/main/models.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Lecture_10/zomato/main/models.py b/Lecture_10/zomato/main/models.py
index 1859391..0867be2 100644
--- a/Lecture_10/zomato/main/models.py
+++ b/Lecture_10/zomato/main/models.py
@@ -28,6 +28,9 @@ class Review(models.Model):
 		MaxValueValidator(5),
 		MinValueValidator(0)
 	])
-	def __str__(self):
-		return self.title
+	
+	def get_stars(self):
+		return "* "*self.rating
 
+	def __str__(self):
+		return self.title
\ No newline at end of file

From 366ebf4d7f4f7bc2decf3bba6e52eb6e265fa9c4 Mon Sep 17 00:00:00 2001
From: Anish Singh <anish.singh58@gmail.com>
Date: Tue, 24 Jul 2018 15:31:02 +0530
Subject: [PATCH 4/5] Lec11 added

---
 .../library_system/.vscode/settings.json      |   4 +
 Lecture_11/library_system/db.sqlite3          | Bin 0 -> 163840 bytes
 .../library_system/library_system/__init__.py |   0
 .../library_system/library_system/settings.py | 109 ++++++++++++++++++
 .../library_system/library_system/urls.py     |   7 ++
 .../library_system/library_system/wsgi.py     |   7 ++
 Lecture_11/library_system/main/__init__.py    |   0
 Lecture_11/library_system/main/admin.py       |   9 ++
 Lecture_11/library_system/main/apps.py        |   5 +
 .../main/migrations/0001_initial.py           |  44 +++++++
 .../main/migrations/__init__.py               |   0
 Lecture_11/library_system/main/models.py      |  31 +++++
 Lecture_11/library_system/main/tests.py       |   3 +
 Lecture_11/library_system/main/urls.py        |  19 +++
 Lecture_11/library_system/main/views.py       |  76 ++++++++++++
 Lecture_11/library_system/manage.py           |  15 +++
 .../templates/main/author_detail.html         |  16 +++
 .../templates/main/author_form.html           |  23 ++++
 .../templates/main/author_list.html           |  17 +++
 .../library_system/templates/main/base.html   |  21 ++++
 .../templates/main/book_detail.html           |  20 ++++
 .../templates/main/book_list.html             |  17 +++
 .../library_system/templates/main/index.html  |   7 ++
 .../templates/main/publisher_book_list.html   |  25 ++++
 .../templates/main/publisher_detail.html      |  15 +++
 .../templates/main/publisher_list.html        |  17 +++
 .../templates/main/success.html               |  16 +++
 27 files changed, 523 insertions(+)
 create mode 100644 Lecture_11/library_system/.vscode/settings.json
 create mode 100644 Lecture_11/library_system/db.sqlite3
 create mode 100644 Lecture_11/library_system/library_system/__init__.py
 create mode 100644 Lecture_11/library_system/library_system/settings.py
 create mode 100644 Lecture_11/library_system/library_system/urls.py
 create mode 100644 Lecture_11/library_system/library_system/wsgi.py
 create mode 100644 Lecture_11/library_system/main/__init__.py
 create mode 100644 Lecture_11/library_system/main/admin.py
 create mode 100644 Lecture_11/library_system/main/apps.py
 create mode 100644 Lecture_11/library_system/main/migrations/0001_initial.py
 create mode 100644 Lecture_11/library_system/main/migrations/__init__.py
 create mode 100644 Lecture_11/library_system/main/models.py
 create mode 100644 Lecture_11/library_system/main/tests.py
 create mode 100644 Lecture_11/library_system/main/urls.py
 create mode 100644 Lecture_11/library_system/main/views.py
 create mode 100644 Lecture_11/library_system/manage.py
 create mode 100644 Lecture_11/library_system/templates/main/author_detail.html
 create mode 100644 Lecture_11/library_system/templates/main/author_form.html
 create mode 100644 Lecture_11/library_system/templates/main/author_list.html
 create mode 100644 Lecture_11/library_system/templates/main/base.html
 create mode 100644 Lecture_11/library_system/templates/main/book_detail.html
 create mode 100644 Lecture_11/library_system/templates/main/book_list.html
 create mode 100644 Lecture_11/library_system/templates/main/index.html
 create mode 100644 Lecture_11/library_system/templates/main/publisher_book_list.html
 create mode 100644 Lecture_11/library_system/templates/main/publisher_detail.html
 create mode 100644 Lecture_11/library_system/templates/main/publisher_list.html
 create mode 100644 Lecture_11/library_system/templates/main/success.html

diff --git a/Lecture_11/library_system/.vscode/settings.json b/Lecture_11/library_system/.vscode/settings.json
new file mode 100644
index 0000000..4aa4e8a
--- /dev/null
+++ b/Lecture_11/library_system/.vscode/settings.json
@@ -0,0 +1,4 @@
+{
+    "python.pythonPath": "${workspaceFolder}/env/bin/python",
+    "python.linting.pylintEnabled": false
+}
\ No newline at end of file
diff --git a/Lecture_11/library_system/db.sqlite3 b/Lecture_11/library_system/db.sqlite3
new file mode 100644
index 0000000000000000000000000000000000000000..a4ebcfe24da38d96f10814ed0a895c75647f5533
GIT binary patch
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diff --git a/Lecture_11/library_system/library_system/__init__.py b/Lecture_11/library_system/library_system/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/Lecture_11/library_system/library_system/settings.py b/Lecture_11/library_system/library_system/settings.py
new file mode 100644
index 0000000..170277e
--- /dev/null
+++ b/Lecture_11/library_system/library_system/settings.py
@@ -0,0 +1,109 @@
+import os
+
+# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
+BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/2.0/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = '&5o)47wsa%if6q52e5%doww9x6f-cg$_d(^voq_rby8@3o8f1o'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'main',
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'library_system.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [os.path.join(BASE_DIR, 'templates/')],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'library_system.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/2.0/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/2.0/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/2.0/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_L10N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/2.0/howto/static-files/
+
+STATIC_URL = '/static/'
diff --git a/Lecture_11/library_system/library_system/urls.py b/Lecture_11/library_system/library_system/urls.py
new file mode 100644
index 0000000..71be348
--- /dev/null
+++ b/Lecture_11/library_system/library_system/urls.py
@@ -0,0 +1,7 @@
+from django.contrib import admin
+from django.urls import path, include
+
+urlpatterns = [
+    path('', include('main.urls')),
+    path('admin/', admin.site.urls),
+]
diff --git a/Lecture_11/library_system/library_system/wsgi.py b/Lecture_11/library_system/library_system/wsgi.py
new file mode 100644
index 0000000..0db45eb
--- /dev/null
+++ b/Lecture_11/library_system/library_system/wsgi.py
@@ -0,0 +1,7 @@
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "library_system.settings")
+
+application = get_wsgi_application()
diff --git a/Lecture_11/library_system/main/__init__.py b/Lecture_11/library_system/main/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/Lecture_11/library_system/main/admin.py b/Lecture_11/library_system/main/admin.py
new file mode 100644
index 0000000..d026f44
--- /dev/null
+++ b/Lecture_11/library_system/main/admin.py
@@ -0,0 +1,9 @@
+from django.contrib import admin
+
+from . import models
+
+# Register your models here.
+
+admin.site.register(models.Book)
+admin.site.register(models.Author)
+admin.site.register(models.Publisher)
\ No newline at end of file
diff --git a/Lecture_11/library_system/main/apps.py b/Lecture_11/library_system/main/apps.py
new file mode 100644
index 0000000..833bff6
--- /dev/null
+++ b/Lecture_11/library_system/main/apps.py
@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class MainConfig(AppConfig):
+    name = 'main'
diff --git a/Lecture_11/library_system/main/migrations/0001_initial.py b/Lecture_11/library_system/main/migrations/0001_initial.py
new file mode 100644
index 0000000..9b644c4
--- /dev/null
+++ b/Lecture_11/library_system/main/migrations/0001_initial.py
@@ -0,0 +1,44 @@
+# Generated by Django 2.0.4 on 2018-07-22 11:05
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Author',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100)),
+                ('marital_status', models.CharField(choices=[('M', 'Married'), ('U', 'Unmarried'), ('C', 'Complicated')], max_length=5)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Book',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100)),
+                ('description', models.TextField()),
+                ('authors', models.ManyToManyField(to='main.Author')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Publisher',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100)),
+            ],
+        ),
+        migrations.AddField(
+            model_name='book',
+            name='publisher',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='main.Publisher'),
+        ),
+    ]
diff --git a/Lecture_11/library_system/main/migrations/__init__.py b/Lecture_11/library_system/main/migrations/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/Lecture_11/library_system/main/models.py b/Lecture_11/library_system/main/models.py
new file mode 100644
index 0000000..8ec7468
--- /dev/null
+++ b/Lecture_11/library_system/main/models.py
@@ -0,0 +1,31 @@
+from django.db import models
+
+# Create your models here.
+
+class Book(models.Model):
+    name = models.CharField(max_length = 100)
+    description = models.TextField()
+    authors = models.ManyToManyField('Author')
+    publisher = models.ForeignKey('Publisher', on_delete = models.CASCADE)
+
+    def __str__(self):
+        return self.name
+
+class Publisher(models.Model):
+    name = models.CharField(max_length = 100)
+
+    def __str__(self):
+        return self.name
+
+class Author(models.Model):
+    STATUS = (
+        ('M', 'Married'),
+        ('U', 'Unmarried'),
+        ('C', 'Complicated'),
+    )
+
+    name = models.CharField(max_length = 100)
+    marital_status = models.CharField(max_length = 5, choices = STATUS)
+
+    def __str__(self):
+        return self.name
\ No newline at end of file
diff --git a/Lecture_11/library_system/main/tests.py b/Lecture_11/library_system/main/tests.py
new file mode 100644
index 0000000..7ce503c
--- /dev/null
+++ b/Lecture_11/library_system/main/tests.py
@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.
diff --git a/Lecture_11/library_system/main/urls.py b/Lecture_11/library_system/main/urls.py
new file mode 100644
index 0000000..b7e5107
--- /dev/null
+++ b/Lecture_11/library_system/main/urls.py
@@ -0,0 +1,19 @@
+from django.urls import path
+
+from . import views
+
+urlpatterns = [
+    path('', views.Index.as_view(), name = 'index'),
+    path('books/', views.BookList.as_view(), name = 'books'),
+    path('book/<int:pk>', views.BookDetail.as_view(), name = 'book'),
+    path('authors/', views.AuthorList.as_view(), name = 'authors'),
+    path('author/<int:pk>', views.AuthorDetail.as_view(), name = 'author'),
+    path('addAuthor/', views.CreateAuthor.as_view(), name = 'addAuthor'),
+    path('updateAuthor/<int:pk>', views.UpdateAuthor.as_view(), name = 'updateAuthor'),
+    path('publishers/', views.PublisherList.as_view(), name = 'publishers'),
+    path('publisher/<int:pk>', views.PublisherDetail.as_view(), name = 'publisher'),
+
+    path('books/<publisher>', views.PublisherBooksList.as_view(), name = 'publisher_book_list'),
+
+    path('success/', views.SuccessView.as_view(), name = 'success'),
+]
\ No newline at end of file
diff --git a/Lecture_11/library_system/main/views.py b/Lecture_11/library_system/main/views.py
new file mode 100644
index 0000000..e88d603
--- /dev/null
+++ b/Lecture_11/library_system/main/views.py
@@ -0,0 +1,76 @@
+from django.shortcuts import render, get_object_or_404
+from django.views.generic import TemplateView, ListView, DetailView, CreateView, UpdateView, DeleteView
+
+from . import models
+
+# Create your views here.
+
+class SuccessView(TemplateView):
+    template_name = 'main/success.html'
+
+class Index(TemplateView):
+    template_name = "main/index.html"
+
+class BookList(ListView):
+    model = models.Book
+    template_name = 'main/book_list.html'
+    context_object_name = 'books'
+
+class BookDetail(DetailView):
+    model = models.Book
+    context_object_name = 'book'
+
+    def get_context_data(self, object):
+        context = super().get_context_data()
+
+        context['name'] = "Jatin Katyal"
+
+        return context
+
+    # def post(self, request):
+
+
+
+
+class PublisherList(ListView):
+    model = models.Publisher
+    context_object_name = 'publishers'
+
+class PublisherDetail(DetailView):
+    model = models.Publisher
+    context_object_name = 'publisher'
+
+class PublisherBooksList(ListView):
+    template_name = 'main/publisher_book_list.html'
+    context_object_name = 'books'
+
+    def get_queryset(self):
+        self.publisher = get_object_or_404(models.Publisher, name = self.kwargs['publisher'])
+        return models.Book.objects.filter(publisher = self.publisher)
+
+
+
+class AuthorList(ListView):
+    model = models.Author
+    context_object_name = 'authors'
+
+class AuthorDetail(DetailView):
+    model = models.Author
+    context_object_name = 'author'
+
+class CreateAuthor(CreateView):
+    model = models.Author
+    fields = '__all__'
+    success_url = '/success/'
+
+    def form_valid(self, form):
+
+        print("Donzo !")
+
+        return super().form_valid(form)
+
+class UpdateAuthor(UpdateView):
+    model = models.Author
+    fields = '__all__'
+    success_url = '/success/'
+    
\ No newline at end of file
diff --git a/Lecture_11/library_system/manage.py b/Lecture_11/library_system/manage.py
new file mode 100644
index 0000000..e45c113
--- /dev/null
+++ b/Lecture_11/library_system/manage.py
@@ -0,0 +1,15 @@
+#!/usr/bin/env python
+import os
+import sys
+
+if __name__ == "__main__":
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "library_system.settings")
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
diff --git a/Lecture_11/library_system/templates/main/author_detail.html b/Lecture_11/library_system/templates/main/author_detail.html
new file mode 100644
index 0000000..1ed7d96
--- /dev/null
+++ b/Lecture_11/library_system/templates/main/author_detail.html
@@ -0,0 +1,16 @@
+{% extends 'main/base.html' %}
+
+{% block body %}
+
+    Name: {{ author.name|upper }}<br />
+    Marital Status: {{ author.get_marital_status_display }}<br />
+    Books:
+    <ul>
+        {% for book in author.book_set.all %}
+
+            <li>{{ book.name }}</li>
+
+        {% endfor %}
+    </ul> 
+
+{% endblock %}
\ No newline at end of file
diff --git a/Lecture_11/library_system/templates/main/author_form.html b/Lecture_11/library_system/templates/main/author_form.html
new file mode 100644
index 0000000..b0d01e6
--- /dev/null
+++ b/Lecture_11/library_system/templates/main/author_form.html
@@ -0,0 +1,23 @@
+{% extends 'main/base.html' %}
+
+{% block body %}
+
+    <form action="" method="post">
+
+        {% csrf_token %}
+
+        {% for field in form %}
+
+            <p>
+
+                <label for="{{ field.id_for_label }}">{{ field.label }}</label>
+                {{ field }}
+            </p>
+
+        {% endfor %}
+
+        <button type="submit">Submit</button>
+
+    </form>
+
+{% endblock %}
\ No newline at end of file
diff --git a/Lecture_11/library_system/templates/main/author_list.html b/Lecture_11/library_system/templates/main/author_list.html
new file mode 100644
index 0000000..96bb8fa
--- /dev/null
+++ b/Lecture_11/library_system/templates/main/author_list.html
@@ -0,0 +1,17 @@
+{% extends 'main/base.html' %}
+
+{% block body %}
+
+    <h2>All the Authors</h2>
+
+    <ul>
+
+        {% for author in authors %}
+
+            <li>{{ author.name }}</li>
+
+        {% endfor %}
+
+    </ul>
+
+{% endblock %}
\ No newline at end of file
diff --git a/Lecture_11/library_system/templates/main/base.html b/Lecture_11/library_system/templates/main/base.html
new file mode 100644
index 0000000..047782b
--- /dev/null
+++ b/Lecture_11/library_system/templates/main/base.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8" />
+        <meta http-equiv="X-UA-Compatible" content="IE=edge">
+        <title>Page Title</title>
+        <meta name="viewport" content="width=device-width, initial-scale=1">
+        <link rel="stylesheet" type="text/css" media="screen" href="main.css" />
+        <script src="main.js"></script>
+        {% block head %} {% endblock %}
+    </head>
+    <body>
+        <center>
+            <h1>
+                Library Management System
+            </h1>
+        </center>
+        <hr />
+        {% block body %} {% endblock %}
+    </body>
+</html>
\ No newline at end of file
diff --git a/Lecture_11/library_system/templates/main/book_detail.html b/Lecture_11/library_system/templates/main/book_detail.html
new file mode 100644
index 0000000..862d4bb
--- /dev/null
+++ b/Lecture_11/library_system/templates/main/book_detail.html
@@ -0,0 +1,20 @@
+{% extends 'main/base.html' %}
+
+{% block body %}
+
+    somename: {{ name }}
+
+
+    Name: {{ book.name }}<br />
+    Description: {{ book.description }}<br />
+    Authors:
+    <ul>
+        {% for author in book.authors.all %}
+
+            <li>{{ author.name }}</li>
+
+        {% endfor %}
+    </ul> 
+    Publisher: {{ book.publisher.name }}
+
+{% endblock %}
\ No newline at end of file
diff --git a/Lecture_11/library_system/templates/main/book_list.html b/Lecture_11/library_system/templates/main/book_list.html
new file mode 100644
index 0000000..4cdabe5
--- /dev/null
+++ b/Lecture_11/library_system/templates/main/book_list.html
@@ -0,0 +1,17 @@
+{% extends 'main/base.html' %}
+
+{% block body %}
+
+    <h2>All the books</h2>
+
+    <ul>
+
+        {% for book in books %}
+
+            <li>{{ book.name }}</li>
+
+        {% endfor %}
+
+    </ul>
+
+{% endblock %}
\ No newline at end of file
diff --git a/Lecture_11/library_system/templates/main/index.html b/Lecture_11/library_system/templates/main/index.html
new file mode 100644
index 0000000..2c426af
--- /dev/null
+++ b/Lecture_11/library_system/templates/main/index.html
@@ -0,0 +1,7 @@
+{% extends 'main/base.html' %}
+
+{% block body %}
+
+    
+
+{% endblock %}
\ No newline at end of file
diff --git a/Lecture_11/library_system/templates/main/publisher_book_list.html b/Lecture_11/library_system/templates/main/publisher_book_list.html
new file mode 100644
index 0000000..587f328
--- /dev/null
+++ b/Lecture_11/library_system/templates/main/publisher_book_list.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8" />
+        <meta http-equiv="X-UA-Compatible" content="IE=edge">
+        <title>Page Title</title>
+        <meta name="viewport" content="width=device-width, initial-scale=1">
+        <link rel="stylesheet" type="text/css" media="screen" href="main.css" />
+        <script src="main.js"></script>
+    </head>
+    <body>
+        
+        <ul>
+
+            {% for book in books %}
+
+                <li> {{ book }} </li>
+
+            {% endfor %}
+
+        </ul>
+
+
+    </body>
+</html>
\ No newline at end of file
diff --git a/Lecture_11/library_system/templates/main/publisher_detail.html b/Lecture_11/library_system/templates/main/publisher_detail.html
new file mode 100644
index 0000000..6cb212b
--- /dev/null
+++ b/Lecture_11/library_system/templates/main/publisher_detail.html
@@ -0,0 +1,15 @@
+{% extends 'main/base.html' %}
+
+{% block body %}
+
+    Name: {{ publisher.name }}<br />
+    Published Books:
+    <ul>
+        {% for book in publisher.book_set.all %}
+
+            <li>{{ book.name }}</li>
+
+        {% endfor %}
+    </ul> 
+
+{% endblock %}
\ No newline at end of file
diff --git a/Lecture_11/library_system/templates/main/publisher_list.html b/Lecture_11/library_system/templates/main/publisher_list.html
new file mode 100644
index 0000000..ce58f47
--- /dev/null
+++ b/Lecture_11/library_system/templates/main/publisher_list.html
@@ -0,0 +1,17 @@
+{% extends 'main/base.html' %}
+
+{% block body %}
+
+    <h2>All the Publishers</h2>
+
+    <ul>
+
+        {% for publisher in publishers %}
+
+            <li>{{ publisher.name }}</li>
+
+        {% endfor %}
+
+    </ul>
+
+{% endblock %}
\ No newline at end of file
diff --git a/Lecture_11/library_system/templates/main/success.html b/Lecture_11/library_system/templates/main/success.html
new file mode 100644
index 0000000..bb14c27
--- /dev/null
+++ b/Lecture_11/library_system/templates/main/success.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8" />
+        <meta http-equiv="X-UA-Compatible" content="IE=edge">
+        <title>Page Title</title>
+        <meta name="viewport" content="width=device-width, initial-scale=1">
+        <link rel="stylesheet" type="text/css" media="screen" href="main.css" />
+        <script src="main.js"></script>
+    </head>
+    <body>
+        <h1>
+            Thank You !
+        </h1> 
+    </body>
+</html>
\ No newline at end of file

From b7f167d3ba374c1936c57d3b4a4316cf5220f77b Mon Sep 17 00:00:00 2001
From: Anish Singh <anish.singh58@gmail.com>
Date: Tue, 24 Jul 2018 16:55:09 +0530
Subject: [PATCH 5/5] ;;

---
 Lecture_10/zomato/main/views.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Lecture_10/zomato/main/views.py b/Lecture_10/zomato/main/views.py
index 5e0a7ee..71758dc 100644
--- a/Lecture_10/zomato/main/views.py
+++ b/Lecture_10/zomato/main/views.py
@@ -3,6 +3,7 @@
 from . import models
 from django.db.models import Avg
 from . import forms
+from django.views.generic import FormMixn
 
 
 def index(request):