• Searching books by ISBN number (10 digit or 13 digit)
• Authorization/Registration (Social login with Gmail and Facebook is supported)
• Forgot password feature
• Storing encrypted passwords

When user tries to search for specific book, system first checks if such book exists in DB, if not, it uses public Google Book API service to fetch book metadata and saves it in DB, so next time it won't have to query API for same book

• ISBN number is validated in both frontend and backend
• ISBN validation is divided into two parts:
  • Validating common pattern with RegEx
  • Check Digit validation
• When recovering password, link is instantly given to user on the page and email is not sent

• run docker-compose up

• activate virtualenv
• run pip install -r requirements.txt
• run python manage.py migrate
• run python manage.py runserver

• Go to Google console
• Pick a project or create new one and get into it
• Go to Credentials section from left-hand side
• Create new API key
• Copy that API key and paste it in .env file with key: BOOK_API_TOKEN e.i (BOOK_API_TOKEN=<YOUR_TOKEN>)

• Go to facebook developers page
• Go to My Apps and pick an app or create new one and get into it
• Go to Settings > basic and configure App Domains (This must include your app's domain. if developing locally, add localhost) and at the bottom press Add platform, choose Website and add Site URL, such as http://localhost:8000
• Then configure Redirect URLs from Facebook Login > Settings page (This step is not mandatory if developing locally, e.i using localhost as a domain)
• Copy App ID and App Secret from Settings > Basic page and paste them in .env file with keys: SOCIAL_AUTH_FACEBOOK_KEY and SOCIAL_AUTH_FACEBOOK_SECRET

• Go to Google console
• Pick a project or create new one and get into it
• Go to Credentials section from left-hand side
• Create OAuth Client ID by pressing + CREATE CREDENTIALS at the top and selecting OAuth Client ID
• When creating OAuth Client ID
  • Add your app url under Authorized JavaScript origins , such as http://localhost:8000
  • Add redirect url under Authorized redirect URIs. Redirect url must have such pattern: ${APP_URL}/accounts/google/login/callback/, for example: http://localhost:8000/accounts/google/login/callback/
• After creating OAuth Client ID grab Client ID and Client secret and save somewhere, we'll need them for next step
• Go to your app's admin panel, choose Social applications table, and add a record
  • In the Provider field, choose Google
  • In the Client id field, paste Client ID you have copied
  • In the Secret key field, paste Client secret you have copied and press save