Repository: asif536/Movie-Recommender-System
Branch: master
Commit: 4a5ab32e4578
Files: 28
Total size: 41.1 KB
Directory structure:
gitextract_pk6qg8_a/
├── LICENSE
├── README.md
├── requirements.txt
└── src/
├── db.sqlite3
├── main/
│ ├── __init__.py
│ ├── settings.py
│ ├── urls.py
│ └── wsgi.py
├── manage.py
└── web/
├── __init__.py
├── admin.py
├── apps.py
├── forms.py
├── migrations/
│ ├── 0001_initial.py
│ └── __init__.py
├── models.py
├── recommendation.py
├── static/
│ └── web/
│ └── css/
│ └── base.css
├── templates/
│ └── web/
│ ├── base.html
│ ├── detail.html
│ ├── form_template.html
│ ├── list.html
│ ├── login.html
│ ├── recommend.html
│ └── signUp.html
├── tests.py
├── urls.py
└── views.py
================================================
FILE CONTENTS
================================================
================================================
FILE: LICENSE
================================================
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright 2018 Mohammad Asif
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
================================================
FILE: README.md
================================================
# Movie-Recommender-System
A Web Base user-item Movie Recommendation Engine using Collaborative Filtering By matrix factorizations algorithm and
The recommendation based on the underlying idea that is if two persons both liked certian common movies,then the movies that one person has liked that the other person has not yet watched can be recommended to him.
### Screenshot
###### Home page
###### Recommendation page
###### Rating page
### Technologies Used
#### Web Technologies
Html , Css , JavaScript , Bootstrap , Django
#### Machine Learning Library In Python3
Numpy , Pandas , Scipy
#### Database
SQLite
##### Requirements
```
python 3.6
pip3
virtualenv
```
##### Setup to run
Extract zip file in your computer
Open terminal/cmd promt
Goto that Path
Example
```
cd ~/Destop/Movie-Recommender-System
```
Create a new virtual environment on that directory
```
virtualenv .
```
Activate Your Virtual Environment
for Linux
```
source bin/activate
```
for Windows
```
cd Scripts
then
activate
```
To install Dependencies
```
pip install -r requirements.txt
```
### Creating Local Server
Goto src directory, example
```
cd ../Movie-Recommender-System/src
```
To run
```
python manage.py runserver
```
Now open your browser and go to this address
```
http://127.0.0.1:8000
```
Thank you for visiting my repository.
================================================
FILE: requirements.txt
================================================
Django==2.0.12
pandas==0.23.3
numpy==1.14.5
scipy==1.1.0
================================================
FILE: src/main/__init__.py
================================================
================================================
FILE: src/main/settings.py
================================================
"""
Django settings for main project.
Generated by 'django-admin startproject' using Django 2.0.7.
For more information on this file, see
https://docs.djangoproject.com/en/2.0/topics/settings/
For the full list of settings and their values, see
https://docs.djangoproject.com/en/2.0/ref/settings/
"""
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 = '5u$a%1-m#+jh4k^pb%*ut#24zhwxdv@)ks3=tg7sz9&7)&dr^j'
# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True
ALLOWED_HOSTS = []
# Application definition
INSTALLED_APPS = [
'web.apps.WebConfig',
'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 = 'main.urls'
TEMPLATES = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [],
'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 = 'main.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/'
STATICFILES_DIRS = [
os.path.join(BASE_DIR, "static"),
'/var/www/static/',
]
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')
MEDIA_URL = '/media/'
================================================
FILE: src/main/urls.py
================================================
"""main URL Configuration
The `urlpatterns` list routes URLs to views. For more information please see:
https://docs.djangoproject.com/en/2.0/topics/http/urls/
Examples:
Function views
1. Add an import: from my_app import views
2. Add a URL to urlpatterns: path('', views.home, name='home')
Class-based views
1. Add an import: from other_app.views import Home
2. Add a URL to urlpatterns: path('', Home.as_view(), name='home')
Including another URLconf
1. Import the include() function: from django.urls import include, path
2. Add a URL to urlpatterns: path('blog/', include('blog.urls'))
"""
from django.contrib import admin
from django.urls import path,include
from django.conf import settings
from django.conf.urls.static import static
urlpatterns = [
path('',include('web.urls')),
path('admin/', admin.site.urls),
]
if settings.DEBUG:
urlpatterns +=static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)
urlpatterns +=static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
================================================
FILE: src/main/wsgi.py
================================================
"""
WSGI config for main project.
It exposes the WSGI callable as a module-level variable named ``application``.
For more information on this file, see
https://docs.djangoproject.com/en/2.0/howto/deployment/wsgi/
"""
import os
from django.core.wsgi import get_wsgi_application
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "main.settings")
application = get_wsgi_application()
================================================
FILE: src/manage.py
================================================
#!/usr/bin/env python
import os
import sys
if __name__ == "__main__":
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "main.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)
================================================
FILE: src/web/__init__.py
================================================
================================================
FILE: src/web/admin.py
================================================
from django.contrib import admin
from .models import Movie,Myrating
admin.site.register(Movie)
admin.site.register(Myrating)
# Register your models here.
================================================
FILE: src/web/apps.py
================================================
from django.apps import AppConfig
class WebConfig(AppConfig):
name = 'web'
================================================
FILE: src/web/forms.py
================================================
from django.contrib.auth.models import User
from django import forms
class UserForm(forms.ModelForm):
password = forms.CharField(widget=forms.PasswordInput)
class Meta:
model = User
fields = ['username', 'email', 'password']
================================================
FILE: src/web/migrations/0001_initial.py
================================================
# Generated by Django 2.0.7 on 2018-07-18 18:25
from django.conf import settings
import django.core.validators
from django.db import migrations, models
import django.db.models.deletion
class Migration(migrations.Migration):
initial = True
dependencies = [
migrations.swappable_dependency(settings.AUTH_USER_MODEL),
]
operations = [
migrations.CreateModel(
name='Movie',
fields=[
('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('title', models.CharField(max_length=200)),
('genre', models.CharField(max_length=100)),
('movie_logo', models.FileField(upload_to='')),
],
),
migrations.CreateModel(
name='Myrating',
fields=[
('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('rating', models.IntegerField(default=1, validators=[django.core.validators.MaxValueValidator(5), django.core.validators.MinValueValidator(0)])),
('movie', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='web.Movie')),
('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
],
),
]
================================================
FILE: src/web/migrations/__init__.py
================================================
================================================
FILE: src/web/models.py
================================================
from django.contrib.auth.models import Permission, User
from django.core.validators import MaxValueValidator, MinValueValidator
from django.db import models
class Movie(models.Model):
title = models.CharField(max_length=200)
genre = models.CharField(max_length=100)
movie_logo = models.FileField()
def __str__(self):
return self.title
class Myrating(models.Model):
user = models.ForeignKey(User,on_delete=models.CASCADE)
movie = models.ForeignKey(Movie,on_delete=models.CASCADE)
rating = models.IntegerField(default=1,validators=[MaxValueValidator(5),MinValueValidator(0)])
================================================
FILE: src/web/recommendation.py
================================================
import numpy as np
import pandas as pd
from web.models import Myrating
import scipy.optimize
def Myrecommend():
def normalizeRatings(myY, myR):
# The mean is only counting movies that were rated
Ymean = np.sum(myY,axis=1)/np.sum(myR,axis=1)
Ymean = Ymean.reshape((Ymean.shape[0],1))
return myY-Ymean, Ymean
def flattenParams(myX, myTheta):
return np.concatenate((myX.flatten(),myTheta.flatten()))
def reshapeParams(flattened_XandTheta, mynm, mynu, mynf):
assert flattened_XandTheta.shape[0] == int(mynm*mynf+mynu*mynf)
reX = flattened_XandTheta[:int(mynm*mynf)].reshape((mynm,mynf))
reTheta = flattened_XandTheta[int(mynm*mynf):].reshape((mynu,mynf))
return reX, reTheta
def cofiCostFunc(myparams, myY, myR, mynu, mynm, mynf, mylambda = 0.):
myX, myTheta = reshapeParams(myparams, mynm, mynu, mynf)
term1 = myX.dot(myTheta.T)
term1 = np.multiply(term1,myR)
cost = 0.5 * np.sum( np.square(term1-myY) )
# for regularization
cost += (mylambda/2.) * np.sum(np.square(myTheta))
cost += (mylambda/2.) * np.sum(np.square(myX))
return cost
def cofiGrad(myparams, myY, myR, mynu, mynm, mynf, mylambda = 0.):
myX, myTheta = reshapeParams(myparams, mynm, mynu, mynf)
term1 = myX.dot(myTheta.T)
term1 = np.multiply(term1,myR)
term1 -= myY
Xgrad = term1.dot(myTheta)
Thetagrad = term1.T.dot(myX)
# Adding Regularization
Xgrad += mylambda * myX
Thetagrad += mylambda * myTheta
return flattenParams(Xgrad, Thetagrad)
df=pd.DataFrame(list(Myrating.objects.all().values()))
mynu=df.user_id.unique().shape[0]
mynm=df.movie_id.unique().shape[0]
mynf=10
Y=np.zeros((mynm,mynu))
for row in df.itertuples():
Y[row[2]-1, row[4]-1] = row[3]
R=np.zeros((mynm,mynu))
for i in range(Y.shape[0]):
for j in range(Y.shape[1]):
if Y[i][j]!=0:
R[i][j]=1
Ynorm, Ymean = normalizeRatings(Y,R)
X = np.random.rand(mynm,mynf)
Theta = np.random.rand(mynu,mynf)
myflat = flattenParams(X, Theta)
mylambda = 12.2
result = scipy.optimize.fmin_cg(cofiCostFunc,x0=myflat,fprime=cofiGrad,args=(Y,R,mynu,mynm,mynf,mylambda),maxiter=40,disp=True,full_output=True)
resX, resTheta = reshapeParams(result[0], mynm, mynu, mynf)
prediction_matrix = resX.dot(resTheta.T)
return prediction_matrix,Ymean
================================================
FILE: src/web/static/web/css/base.css
================================================
.navbar{
border-radius: 0;
min-height: 80px;
}
.container-fluid{
margin-top: 18px;
}
.navbar-nav>li>a{
font-size: 18px;
}
.navbar-brand{
font-size: 22px;
font-family: inherit;
font-style: italic;
font-weight: 700;
}
.navbar-inverse .navbar-brand{
color:#00bcd4;
}
.navbar-inverse .navbar-nav>li>a{
color: #00bcd4;
}
h2{
margin-left: 20px;
}
#social-fb:hover {
color: #3B5998;
}
#social-tw:hover {
color: #4099FF;
}
#social-em:hover {
color: #f39c12;
}
#social-git:hover{
color:black;
}
* {
margin: 0;
}
html, body {
height: 100%;
}
.wrapper {
min-height: 100%;
height: 100%;
margin: 0 auto -155px; /* the bottom margin is the negative value of the footer's height */
}
.footer, .push {
height: 155px; /* .push must be the same height as .footer */
}
/*.row.display-flex {
display: flex;
flex-wrap: wrap;
}
.thumbnail {
height: 100%;
}*/
================================================
FILE: src/web/templates/web/base.html
================================================
{% block title %}Movies{% endblock title %}
{% load staticfiles %}
{% block body %}
{% endblock %}
================================================
FILE: src/web/templates/web/detail.html
================================================
{% extends 'web/base.html'%}
{% block title %}{{movies.title}}{% endblock %}
{% block body %}
{{movies.title}}
{{movies.genre}}
Have you watch ?
Please rate to get recommendation
{% if messages %}
{% for message in messages %}
{{ message }}
{% endfor %}
{% endif %}
{% endblock %}
================================================
FILE: src/web/templates/web/form_template.html
================================================
{% for field in form %}
{% endblock %}
================================================
FILE: src/web/templates/web/signUp.html
================================================
{% extends 'web/base.html'%}
{% block title %}Register{% endblock %}
{% block body %}
Register for an Account
{% if error_message %}
{{ error_message }}
{% endif %}
{% endblock %}
================================================
FILE: src/web/tests.py
================================================
from django.test import TestCase
# Create your tests here.
================================================
FILE: src/web/urls.py
================================================
from django.urls import path
from . import views
urlpatterns = [
path('', views.index, name='index'),
path('/',views.detail ,name='detail'),
path('signup/',views.signUp,name='signup'),
path('login/',views.Login,name='login'),
path('logout/',views.Logout,name='logout'),
path('recommend/',views.recommend,name='recommend')
]
================================================
FILE: src/web/views.py
================================================
from django.contrib.auth import authenticate, login
from django.contrib.auth import logout
from django.shortcuts import render,get_object_or_404,redirect
from django.db.models import Q
from django.http import Http404
from .models import Movie,Myrating
from django.contrib import messages
from .forms import UserForm
from django.db.models import Case, When
from .recommendation import Myrecommend
import numpy as np
import pandas as pd
# for recommendation
def recommend(request):
if not request.user.is_authenticated:
return redirect("login")
if not request.user.is_active:
raise Http404
df=pd.DataFrame(list(Myrating.objects.all().values()))
nu=df.user_id.unique().shape[0]
current_user_id= request.user.id
# if new user not rated any movie
if current_user_id>nu:
movie=Movie.objects.get(id=15)
q=Myrating(user=request.user,movie=movie,rating=0)
q.save()
print("Current user id: ",current_user_id)
prediction_matrix,Ymean = Myrecommend()
my_predictions = prediction_matrix[:,current_user_id-1]+Ymean.flatten()
pred_idxs_sorted = np.argsort(my_predictions)
pred_idxs_sorted[:] = pred_idxs_sorted[::-1]
pred_idxs_sorted=pred_idxs_sorted+1
print(pred_idxs_sorted)
preserved = Case(*[When(pk=pk, then=pos) for pos, pk in enumerate(pred_idxs_sorted)])
movie_list=list(Movie.objects.filter(id__in = pred_idxs_sorted,).order_by(preserved)[:10])
return render(request,'web/recommend.html',{'movie_list':movie_list})
# List view
def index(request):
movies = Movie.objects.all()
query = request.GET.get('q')
if query:
movies = Movie.objects.filter(Q(title__icontains=query)).distinct()
return render(request,'web/list.html',{'movies':movies})
return render(request,'web/list.html',{'movies':movies})
# detail view
def detail(request,movie_id):
if not request.user.is_authenticated:
return redirect("login")
if not request.user.is_active:
raise Http404
movies = get_object_or_404(Movie,id=movie_id)
#for rating
if request.method == "POST":
rate = request.POST['rating']
ratingObject = Myrating()
ratingObject.user = request.user
ratingObject.movie = movies
ratingObject.rating = rate
ratingObject.save()
messages.success(request,"Your Rating is submited ")
return redirect("index")
return render(request,'web/detail.html',{'movies':movies})
# Register user
def signUp(request):
form =UserForm(request.POST or None)
if form.is_valid():
user = form.save(commit=False)
username = form.cleaned_data['username']
password = form.cleaned_data['password']
user.set_password(password)
user.save()
user = authenticate(username=username,password=password)
if user is not None:
if user.is_active:
login(request,user)
return redirect("index")
context ={
'form':form
}
return render(request,'web/signUp.html',context)
# Login User
def Login(request):
if request.method=="POST":
username = request.POST['username']
password = request.POST['password']
user = authenticate(username=username,password=password)
if user is not None:
if user.is_active:
login(request,user)
return redirect("index")
else:
return render(request,'web/login.html',{'error_message':'Your account disable'})
else:
return render(request,'web/login.html',{'error_message': 'Invalid Login'})
return render(request,'web/login.html')
#Logout user
def Logout(request):
logout(request)
return redirect("login")