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app.py
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app.py
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import os
from flask import Flask, request, abort, jsonify, render_template
from flask_sqlalchemy import SQLAlchemy
from flask_cors import CORS
from flask_migrate import Migrate
from models import setup_db, Exercise, Workout, WorkoutExercise
from auth import CustomAuthError, requires_auth
db = SQLAlchemy()
migrate = Migrate()
def create_app(test_config=None):
"""
Create and configure the app
"""
app = Flask(__name__)
CORS(app)
setup_db(app)
@app.route('/', methods=['GET'])
def home_page():
# return render_template('home.html')
return jsonify({
'message': 'Hello World!',
'success': True
})
@app.route('/workouts', methods=['GET'])
@requires_auth('get:workout')
def get_workouts():
workouts = Workout.query.all()
formatted_workouts = [w.format() for w in workouts]
return jsonify({
'workouts': formatted_workouts,
'success': True
})
@app.route('/workouts/<int:workout_id>', methods=['GET'])
@requires_auth('get:workout')
def get_workout(workout_id):
workout = Workout.query.get(workout_id)
if workout is not None:
return jsonify({
'success': True,
'workout': workout.format()
})
else:
abort(404)
@app.route('/workouts', methods=['POST'])
@requires_auth('post:workout')
def create_workout():
try:
all_data = request.get_json()
name = all_data['name']
focus = all_data['focus']
repeat = all_data['repeat']
if 'exercises' in all_data.keys():
exercises = all_data['exercises']
else:
exercises = None
for value in [name, focus, repeat]:
if value is None:
abort(400)
workout = Workout(
name=name,
focus=focus,
repeat=repeat
)
except Exception:
abort(400)
if exercises is None:
# insert Workout with no WorkoutExercises rows
try:
workout.insert()
except Exception:
abort(400)
else:
# insert Workout, get id, then create WorkoutExercises rows
try:
workout.insert_without_commit()
for exercise in exercises:
e_id = Exercise.query.filter(
Exercise.name == exercise['name']).first().id
workout_exercise = WorkoutExercise(
workout_id=workout.id,
exercise_id=e_id,
sets=exercise['sets'],
reps=exercise['reps'],
weight=exercise['weight']
)
workout_exercise.insert_without_commit()
workout.update()
except Exception:
abort(404)
return jsonify({
'success': True,
'id': workout.id
})
@app.route('/workouts/<int:workout_id>', methods=['PATCH'])
@requires_auth('patch:workout')
def update_workout(workout_id):
workout = Workout.query.get(workout_id)
if workout is None:
abort(404)
try:
all_data = request.get_json()
name = all_data['name']
focus = all_data['focus']
repeat = all_data['repeat']
if 'exercises' in all_data.keys():
exercises = all_data['exercises']
else:
exercises = None
for value in [name, focus, repeat]:
if value is None:
abort(400)
workout.name = name
workout.focus = focus
workout.repeat = repeat
for current_exercise in workout.exercises:
current_exercise.delete_without_commit()
except Exception:
abort(400)
try:
for exercise in exercises:
e_id = Exercise.query.filter(
Exercise.name == exercise['name']).first().id
workout_exercise = WorkoutExercise(
workout_id=workout.id,
exercise_id=e_id,
sets=exercise['sets'],
reps=exercise['reps'],
weight=exercise['weight']
)
workout_exercise.insert_without_commit()
workout.update()
except Exception:
abort(404)
return jsonify({
'success': True,
'id': workout.id
})
@app.route('/workouts/<int:workout_id>', methods=['DELETE'])
@requires_auth('delete:workout')
def delete_workout(workout_id):
workout = Workout.query.get(workout_id)
if workout is None:
abort(404)
else:
try:
workout.delete()
except Exception:
abort(404)
return jsonify({
'success': True,
'workout_id': workout_id
})
@app.route('/exercises', methods=['GET'])
@requires_auth('get:exercise')
def get_exercises():
exercises = Exercise.query.all()
formatted_exercises = [e.format() for e in exercises]
return jsonify({
'exercises': formatted_exercises,
'success': True
})
@app.route('/exercises/<int:exercise_id>', methods=['GET'])
@requires_auth('get:exercise')
def get_exercise(exercise_id):
exercise = Exercise.query.get(exercise_id)
if exercise is not None:
return jsonify({
'success': True,
'exercise': exercise.format()
})
else:
abort(404)
@app.route('/exercises', methods=['POST'])
@requires_auth('post:exercise')
def create_exercise():
try:
all_data = request.get_json()
name = all_data['name']
equipment = all_data['equipment']
target = all_data['target']
link = all_data['link']
for value in [name, equipment, target, link]:
if value is None:
abort(400)
exercise = Exercise(
name=name,
equipment=equipment,
target=target,
link=link
)
# could check whether we expect this to fail
# based on inputs, and abort(500) otherwise
exercise.insert()
except Exception:
abort(400)
return jsonify({
'success': True,
'id': exercise.id
})
@app.route('/exercises/<int:exercise_id>', methods=['PATCH'])
@requires_auth('patch:exercise')
def update_exercise(exercise_id):
exercise = Exercise.query.get(exercise_id)
if exercise is None:
abort(404)
try:
all_data = request.get_json()
name = all_data['name']
equipment = all_data['equipment']
target = all_data['target']
link = all_data['link']
exercise.name = name
exercise.equipment = equipment
exercise.target = target
exercise.link = link
exercise.update()
except Exception:
abort(400)
return jsonify({
'success': True,
'exercise_id': exercise_id
})
@app.route('/exercises/<int:exercise_id>', methods=['DELETE'])
@requires_auth('delete:exercise')
def delete_exercise(exercise_id):
exercise = Exercise.query.get(exercise_id)
if exercise is None:
abort(404)
elif WorkoutExercise.query.filter(
WorkoutExercise.exercise_id == exercise_id).count() > 0:
abort(400)
else:
try:
exercise.delete()
except Exception:
abort(500)
return jsonify({
'success': True,
'exercise_id': exercise_id
})
# error handlers
@app.errorhandler(400)
def bad_request(error):
return jsonify({
'success': False,
'error': 400,
'message': 'bad request'
}), 400
@app.errorhandler(404)
def not_found(error):
return jsonify({
'success': False,
'error': 404,
'message': 'resource not found'
}), 404
@app.errorhandler(422)
def unprocessable(error):
return jsonify({
'success': False,
'error': 422,
'message': 'unprocessable'
}), 422
@app.errorhandler(500)
def server_error(error):
return jsonify({
'success': False,
'error': 500,
'message': 'server error'
}), 500
@app.errorhandler(CustomAuthError)
def auth_error(error):
return jsonify({
'success': False,
'error': error.status_code,
'message': error.error
}), error.status_code
return app
app = create_app()
if __name__ == '__main__':
app.run(host='127.0.0.1', port=8080, debug=True)
# TODO revert back to 0.0.0.0 when not running locally