Flask App with Firebase connectivity - Firebase Setup - Firebase default app initialization - CRUD Operations using ToDo collection - Flask Setup & APIs to do crud operations
- Create Realtime database
- Generate API Key (Python)
- Put it on working directory (Also add the file to .gitignore)
- pip install firebase-admin
- pip install flask
- pip install flask-restful
- pip install flask-cors
I have use appsettings.json file to store configuration items
- DatabaseURL
- Collection Details
This file contains connectivity of Firebase and sample CRUD operations using TODO List
- Class ToDoCollection()
- Initialize reference for todo collection
| Methods | Description | Input | Output | Access |
|---|---|---|---|---|
_getSnapshot() |
To get snapshot of collection | None | dict or None |
Private |
__findItem(id) |
To find the item | id: 1 | dict or False |
Private |
addTodoItem(content) |
To push/add new todo items into collection | dict: {'id':1, 'task':'Task'} |
Boolean |
Public |
getTodoItems() |
To get the entire todo items list | None | list |
Public |
getTodoItem() |
To get the todo item | id: 1 | dict or None |
Public |
clearAllItems() |
To clear all nodes in the collection | None | Boolean |
Public |
updateTodoItem(self, id, content) |
To update item from the collection | id: 1, dict: {'id':1, 'task':'Task'} |
Boolean |
Public |
deleteTodoItem(id) |
To delete item from the collection | id: 1 | Boolean |
Public |
Main python file run as Flask Restful API application
- Added CORS Policy to the Flask App
- Created APIs as Restful
| API URL | Description | METHOD | Body Content(Eg.) |
|---|---|---|---|
| /health | Check whether the application is running properly or not | GET | None |
| /getAllItems | Return all the todo items | GET | None |
| /getItem | Return the todo item | POST | {"id": 1} |
| /addItem | Add new todo item to the collection | POST | {"id": 1 , "task": "My Todo task"} |
| /deleteItem | Delete todo item from the collection | DELETE | {"id": 1} |
| /deleteAllItems | Delete all the items from the collection | DELETE | None |
| /updateItem | Delete all the items from the collection | POST | {"id": 1 , "task": "My Todo task"} |
- Success API call will have status code of 200
- Failure and exception API with return with status code 400
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