SOCIAL NETWORK PLATFORM

+ Features Built-in this social-network platform:

- Authentification & Authorization
- Email Registration Confirmation
- Password Reset Workflow (Change Password & Forgot)
- Forms Data Validations
- Account Reconfirmation when Changing Email
- CRUD Ops on Models(User, Relationship, Feed)
- Pagination
- Image Uploads
- Records Indexation (Faster Response From db)
- Social Network Standard Features:

    + Post with multiple Images
    + Like
    + Profile
    + Friendship
    + Wall
    + Feed (Fan-out Pattern)

- 90% Tested Features
- Mongodb configuration
- Dockerization (Red Hat Enterprise Linux)
- Coverage Report
- Bash Scripts
- Flask CLI
- AWS Integration

+ Later on Features to be add:

- JWT Access Tokenization (Authorization)
- Rate Limiting
- Third-party registration & login
- Internationalization
- Migration
- Admin Panel
- Real-time chat
- Push Notification
- Caching (Redis)
- UI Automated Testing (Selenium WebDriver)
- Full EC2 Deployment

+ run Mongodb From the conf file (mongod.conf):

- cd social-network-platform
- mkdir data
- mkdir log
- touch mongod.conf

    systemLog:
        destination: file
        path: "/Users/MDRAHALI/Desktop/Learning_Roadmap/social-network-platform/log/mongod.log"
        logAppend: true
    storage:
        journal:
            enabled: false
        dbPath: "/Users/MDRAHALI/Desktop/Learning_Roadmap/social-network-platform/data"
    processManagement:
           fork: true
    net:
        bindIp: 0.0.0.0
        port: 27017

- mongod -f mongod.conf

+ to restart mongodb server:

- sudo rm /usr/local/var/mongodb/mongod.lock
- mongod -f mongod.conf
    or use this command
- chmod -R 755 mongo_restart

+ if you got this error Failed to set up listener: SocketException: Address already in use :

1- sudo lsof -iTCP -sTCP:LISTEN -n -P

2- sudo kill 37885

3- mongod -f mongod.conf

+ Launch The App :

- export environment='testing'
=> echo $environment # check
-> export FLASK_APP=manage.py
-> flask run

+ database ops:

1- source ./venv/bin/activate
2- (venv) MACBOOK-ELRAHALI:social-network-platform mdrahali$ flask shell

+ running tests:

-> python tests.py

+ Mongodb Queries :

-> db.collection.getIndexes() # find queries
-> db.users.dropIndex( "userIdx" ) # delete an index by name
-> db.users.dropIndex( { "username" : -1 } ) # delete an index by key

+ Indexation Technique:

# Indexation in mongodb tend to speed-up the read operations from O(n) -> O(1)

-> db.users.find( { "username" : "mdrahali" } ).explain() # indexed search == we have an index by `username`
-> db.users.find( "first_name" : "Mohamed" ).explain() # no indexed search

+ Amazon Configuration:

# Amazon simple Email Service:
    !- mkdir ~/.aws
    !- vi ~/.aws/credentials
    !- add Secret Keys:
            aws_access_key_id = AKI*******************
            aws_secret_access_key = XMF8v*************
    !- vi ~/.aws/config
                [default]
                region = us-west-2

+ Coverage Testing (delete venv virtual-env before executing the command):

- coverage run --omit /venv/* tests.py
- coverage report (or coverage html)

+ Docker Image Deploy:

- docker build .
- docker-compose up --build

+ Docker Commands:

- docker-compose stop
- docker-compose ps
- docker-compose rm -f
- docker rmi -f $(docker images -qf dangling=true)
- docker rmi social-network-platform_web --force
- docker rmi $(docker images --filter dangling=true -q --no-trunc) --force
- docker kill 29b49da748cf
- docker system prune
- docker volume prune

+ Tech Stack And Tools used to build the app :

- AMAZON Simple Email Service (Mailing Service)
- Flask (Web Framework)
- Mongodb (NoSQL Database)
- AMAZON S3 (Image Upload)
- Unittest (Unitesting)
- Docker (Containers)

+ CORS configuration editor ARN: arn:aws:s3:::social-network-image-upload

<?xml version="1.0" encoding="UTF-8"?>
    <CORSConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
        <CORSRule>
            <AllowedOrigin>*</AllowedOrigin>
            <AllowedOrigin>http://*</AllowedOrigin>
            <AllowedOrigin>https://*</AllowedOrigin>
            <AllowedMethod>GET</AllowedMethod>
            <MaxAgeSeconds>3000</MaxAgeSeconds>
            <AllowedHeader>Authorization</AllowedHeader>
        </CORSRule>
    </CORSConfiguration>

+ Install Some Dependencies :

• ImageMagick