Invitation Management App Project

Udacity Full-Stack Web Developer Nanodegree Program Capstone Project

the app is deployed here

App setup

Environment variables

create a .env file and save the following variables

AUTH0_DOMAIN={your_domain_name}.auth0.com
API_AUDIENCE={your_api_audience}
DATABASE_URL=postgresql://[user[:password]@][netloc][:port][/dbname][?param1=value1&...] #example: postgresql://postgres@localhost:5432/invitdb

Database Setup

With Postgres running, create a database and optionally populate it with database.psql file provided by running:

createdb dbname
psql dbname < database.psql

Set JWT Tokens

use auth0 app URI format to get the JWT example

https://{{YOUR_DOMAIN}}/authorize?audience={{API_IDENTIFIER}}&response_type=token&client_id={{YOUR_CLIENT_ID}}&redirect_uri={{YOUR_CALLBACK_URI}}

Launching The App

1. Initialize and activate a virtual environment using python virtualenv:

   python3 -m venv venv
   source venv/bin/activate

2. Install dependencies:

   pip install -r requirements.txt

3. Run the server locally:

   export FLASK_APP=flaskr
   export FLASK_DEBUG=True
   export FLASK_ENVIRONMENT=debug
   flask run --reload

API Documentation

Models

There are two database models to this app:

• Invitation: Represents an Event invitation.

  • id (primary key): Unique identifier for the invitation.
  • name: Name of the host.
  • email: Email address of the host.
  • description: has the invitation text.

• RSVP: Represents an RSVP response to an invitation.

  • id (primary key): Unique identifier for the RSVP.
  • invitation_id: Foreign key referencing the Invitation model.
  • response: String representing the guest's response to the invitation (e.g. "Attending", "Not Attending", "Undecided").
  • guest_name: Name of the guest who is responding to the invitation.
  • guest_email: Email address of the guest who is responding to the invitation.
  • plus_one: Boolean indicating whether the guest is bringing a plus one.

Permissions

The following permissions are created under API settings.

• post:invitation
• patch:invitation
• delete:invitation
• get:invitation-rsvps
• get:invitation-rsvp-details
• post:invitation-rsvp
• patch:invitation-rsvp
• delete:invitation-rsvp

Roles

Two roles are created for users under Users & Roles section in Auth0

• Admin:
  • represents a person that manages the invitations in the database
  • Admin have the following permissions:
    • post:invitation
    • patch:invitation
    • delete:invitation
    • get:invitation-rsvps
    • get:invitation-rsvp-details
• Guest:
  • represents a person that can respond to an invitation
  • Guest have the following permissions:
    • get:invitation-rsvp-details
    • post:invitation-rsvp
    • patch:invitation-rsvp
    • delete:invitation-rsvp

API endpoints:

• GET /invitations
  • Retrieves a list of all invitations.
• GET /invitations/{id}
  • Retrieves a single invitation by ID.
• POST /invitations
  • Creates a new invitation.
• PATCH /invitations/{id}
  • Updates an existing invitation by ID.
• DELETE /invitations/{id}
  • Deletes an existing invitation by ID.
• GET /invitations/{invitation_id}/rsvps
  • Retrieves a list of all RSVPs for a specific invitation.
• GET /invitations/{invitation_id}/rsvps/{id}
  • Retrieves a single RSVP by ID.
• POST /invitations/{invitation_id}/rsvps
  • Creates a new RSVP.
• PATCH /invitations/{invitation_id}/rsvps/{id}
  • Updates an existing RSVP by ID.
• DELETE /invitations/{invitation_id}/rsvps/{id}
  • Deletes an existing RSVP by ID.

Endpoint Sample output

Base URL

http://localhost:5000

Error Handling

The application will return the following error types when requests fail:

• 400: Bad Request
• 401: Unauthorized
• 404: Resource Not Found
• 422: Not Processable

Errors are returned as JSON objects in the following format:

{
    "success": false, 
    "error": 400,
    "message": "bad request"
}

Endpoints

GET /invitations

• Returns a list of all invitations.
• Sample Request:

curl -X GET \
    http://localhost:5000/invitations \
    -H 'Content-Type: application/json' 

• Sample response

{
  "success": true,
  "invitations": [
    {
      "id": 1,
      "name": "John Smith",
      "email": "john@example.com",
      "description": "Please join us to celebrate our wedding."
    },
    {
      "id": 2,
      "name": "Jane Doe",
      "email": "jane@example.com",
      "description": "Please join us to celebrate our baby shower."
    }
  ]
}

GET /invitations/int:id

• Returns an invitation by id.
• Sample Request:

curl -X GET \
    http://localhost:5000/invitations/1 \
    -H 'Content-Type: application/json' 

• Sample response

{
  "success": true,
  "invitations": {
    "id": 1,
    "name": "John Smith",
    "email": "john@example.com",
    "description": "Please join us to celebrate our wedding."
  }
}

POST /invitations

• Create a new invitation.
• Sample Request:

curl -X POST\
    http://localhost:5000/invitations \
    -H 'Authorization: Bearer {$TOKEN}' \
    -H 'Content-Type: application/json' \
    -d '{"name":"John Smith", 
        "email":"john@example.com", 
        "description":"Please join us to celebrate our wedding."}'

• Sample response

{
  "success": true,
  "invitations": {
    "id": 3,
    "name": "John Smith",
    "email": "john@example.com",
    "description": "Please join us to celebrate our wedding."
  }
}

PATCH /invitations/int:id

• Update an invitation by id.
• Sample Request:

curl -X PATCH \
    http://localhost:5000/invitations/1 \
    -H 'Authorization: Bearer {$TOKEN}' \
    -H 'Content-Type: application/json' \
    -d '{"name":"John Doe"}'

• Sample response

{
  "success": true,
  "invitations": {
    "id": 1,
    "name": "John Doe",
    "email": "john@example.com",
    "description": "Please join us to celebrate our wedding."
  }
}

DELETE /invitations/int:id

• Delete an invitation by id.
• Sample Request:

curl -X DELETE \
    http://localhost:5000/invitations/1 \
    -H 'Authorization: Bearer {$TOKEN}' \
    -H 'Content-Type: application/json' 

• Sample response

{
  "success": true,
  "invitation_id": 1
}

GET /invitations/int:invitation_id/rsvps

• Get a list of RSVPs for an invitation by id.
• Sample Request:

curl -X GET \
    http://localhost:5000/invitations/1/rsvps \
    -H "Authorization: Bearer {$TOKEN}" \
    -H 'Content-Type: application/json' 

• Sample response

{
  "success": true,
  "rsvps": [
    {
      "id": 1,
      "guest_name": "Mary Smith",
      "guest_email": "mary@example.com",
      "response": "Attending",
      "plus_one": true,
      "invitation_id": 1
    },
    {
      "id": 2,
      "guest_name": "Tom Jones",
      "guest_email": "tom@example.com",
      "response": "Not Attending",
      "plus_one": false,
      "invitation_id": 2
    }
  ]
}

GET /invitations/int:invitation_id/rsvps/int:rsvp_id

• Returns an rsvp by id.
• Sample Request:

curl -X GET \
  http://localhost:5000/invitations/1/rsvps/1 \
  -H 'Authorization: Bearer {$TOKEN}' \
  -H 'Content-Type: application/json' 

• Sample Response:

{
    "success": true, 
    "rsvps": {
        "guest_name": "John Doe", 
        "guest_email": "john.doe@gmail.com", 
        "response": "Attending", 
        "plus_one": "True"
    }
}

POST /invitations/int:invitation_id/rsvps

• Creates a new RSVP for the given invitation ID.
• Sample Request:

curl -X POST \
  http://localhost:5000/invitations/1/rsvps \
  -H 'Authorization: Bearer {$TOKEN}' \
  -H 'Content-Type: application/json' \
  -d '{
	"guest_name": "Jane Smith",
	"guest_email": "jane.smith@example.com",
	"response": "Not Attending",
	"plus_one": false
    }'

• Sample Response:

{
  "success": true,
  "rsvps": {
    "id": 2,
    "guest_name": "Jane Smith",
    "guest_email": "jane.smith@example.com",
    "response": "Not Attending",
    "plus_one": false,
    "invitation_id": 1
  }
}

PATCH /invitations/int:invitation_id/rsvps/int:rsvp_id

• Updates an existing RSVP for the given invitation ID and RSVP ID.
• Sample Request:

curl -X PATCH \
  http://localhost:5000/invitations/1/rsvps/1 \
  -H 'Authorization: Bearer {$TOKEN}' \
  -H 'Content-Type: application/json' \
  -d '{
	"guest_name": "John Smith",
	"guest_email": "john.smith@example.com",
	"response": "Not Attending",
	"plus_one": false
}'

• Sample Response:

{
  "success": true,
  "rsvps": {
    "id": 1,
    "guest_name": "John Smith",
    "guest_email": "john.smith@example.com",
    "response": "Not Attending",
    "plus_one": false,
    "invitation_id": 1
  }
}

DELETE /invitations/int:invitation_id/rsvps/int:rsvp_id

• Deletes an existing RSVP for the given invitation ID and RSVP ID.
• Sample Request:

curl -X DELETE \
  http://localhost:5000/invitations/1/rsvps/1 \
  -H 'Authorization: Bearer {$TOKEN}' \
  -H 'Content-Type: application/json' 

• Sample Response:

{
  "success": true,
  "rsvp_id": 1
}