flask-api-example/app.py
Andros Fenollosa e5725582a8 Fixbug
2018-02-06 23:01:20 +01:00

223 lines
5.4 KiB
Python

# -*- coding: utf-8 -*-
# =========================
# Librarys
# =========================
from dotenv import load_dotenv, find_dotenv
import os
from flask import Flask, request
from flask_restplus import Resource, Api
from models import db, User, Notice, Comment
from flask_marshmallow import Marshmallow
# =========================
# Extensions initialization
# =========================
load_dotenv(find_dotenv())
app = Flask(__name__)
ma = Marshmallow(app)
api = Api(app)
# =========================
# Configurations
# =========================
app.config['SECRET_KEY'] = os.environ.get('SECRET_KEY')
app.config['SQLALCHEMY_DATABASE_URI'] = os.environ.get('DATABASE_URI')
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
db.init_app(app)
PRE_URL = '/api/v1/'
# =========================
# Schemas
# =========================
# User
class UserSchema(ma.Schema):
class Meta:
# Fields to expose
fields = ('username', 'mail')
user_schema = UserSchema()
users_schema = UserSchema(many=True)
# Notice
class NoticeSchema(ma.Schema):
class Meta:
# Fields to expose
fields = ('title', 'url', 'user_id', '_links')
_links = ma.Hyperlinks({
'comments': ma.URLFor('comments', id='<id>'),
'user': ma.URLFor('user_single', id='<user_id>')
})
notice_schema = NoticeSchema()
news_schema = NoticeSchema(many=True)
# Comment
class CommentSchema(ma.Schema):
class Meta:
# Fields to expose
fields = ('text', '_links')
_links = ma.Hyperlinks({
'notice': ma.URLFor('news_single', id='<id>'),
'user': ma.URLFor('user_single', id='<user_id>')
})
comment_schema = CommentSchema()
comments_schema = CommentSchema(many=True)
# =========================
# Routes
# =========================
# Signup
@api.route(PRE_URL + 'signup')
class Signup(Resource):
def post(self):
return {'message': 'ok'}
# Login
@api.route(PRE_URL + 'login')
class Login(Resource):
def post(self):
return {'message': 'ok'}
# Logout
@api.route(PRE_URL + 'logout')
class Logout(Resource):
def get(self):
return {'message': 'ok'}
# User
@api.route(PRE_URL + 'user')
class UserList(Resource):
def get(self):
all_users = User.query.all()
return users_schema.jsonify(all_users)
@api.route(PRE_URL + 'user/<int:id>')
class UserSingle(Resource):
def get(self, id):
my_user = User.query.get(id)
if my_user:
return user_schema.jsonify(my_user)
else:
return {'message': 'No existe el usuario'}, 400
# Notice
@api.route(PRE_URL + 'notice')
class NoticeList(Resource):
def get(self):
my_news = Notice.query.all()
return news_schema.jsonify(my_news)
def post(self):
json_data = request.get_json()
if not json_data:
return {'message': 'Datos inválidos'}, 400
# Validations
try:
title = json_data['title']
url = json_data['url']
user_id = json_data['user_id']
except Exception as e:
return {'message': 'No existen los campos necesarios'}, 400
# Save data
my_notice = Notice(title=title, url=url, user_id=user_id)
db.session.add(my_notice)
try:
db.session.commit()
except Exception as e:
db.session.rollback()
return {'message': 'No se ha podido guardar la información'}, 500
return {'message': 'ok'}, 200
@api.route(PRE_URL + 'notice/<int:id>')
class NewsSingle(Resource):
def get(self, id):
my_notice = Notice.query.get(id)
return notice_schema.jsonify(my_notice)
def patch(self, id):
my_notice = Notice.query.get(id)
if not my_notice:
return {'message': 'No existe la noticia'}, 400
json_data = request.get_json()
if not json_data:
return {'message': 'Datos inválidos'}, 400
# Validations
try:
title = json_data['title']
url = json_data['url']
user_id = json_data['user_id']
except Exception as e:
return {'message': 'No existen los campos necesarios'}, 400
# Update data
my_notice.title = title
my_notice.url = url
my_notice.user_id = user_id
db.session.add(my_notice)
try:
db.session.commit()
except Exception as e:
db.session.rollback()
return {'message': 'No se ha podido guardar la información'}, 500
return {'message': 'ok'}, 200
def delete(self, id):
my_notice = Notice.query.get(id)
if my_notice:
db.session.delete(my_notice)
db.session.commit()
try:
db.session.commit()
except Exception as e:
db.session.rollback()
return {
'message': 'No se ha podido guardar la información'}, 500
else:
return {'message': 'No existe la noticia'}, 400
return {'message': 'ok'}, 200
# Comment
@api.route(PRE_URL + 'notice/<int:id>/comments')
class Comments(Resource):
def get(self, id):
my_comments = Comment.query.filter_by(notice_id=id).all()
return comments_schema.jsonify(my_comments)
def post(self, id):
return {'hello': 'world'}
# =========================
# Run
# =========================
if __name__ == '__main__':
app.run(debug=True if os.environ.get('DEBUG') == 'True' else False)