backend-development-course/app/__init__.py

from flask import Flask, request
import time
import json
from app.local_db import LocalDB

app = Flask(__name__)
ldb = LocalDB()

@app.route("/healthcheck")
def ep_healthcheck():
    return {
        "date": time.strftime('%Y.%m.%d %H:%M:%S'),
        "status": "OK"
    }

@app.route("/reset_users_because_postman_is_dumb_like_that")
def ep_reset():
    ldb.reset()
    return {}

@app.route("/users", methods = ["GET"])
def ep_users_get():
    return ldb.get_users()

@app.route("/user/<user_id>", methods = ["GET"])
def ep_user_get(user_id):
    user = ldb.get_user(user_id)

    if 'uuid' in user:
        return user
    else:
        return user, 404

@app.route("/user", methods = ["POST"])
def ep_user_post():
    body = request.json

    if 'name' in body:
        r = ldb.add_user(body['name'])

        if 'uuid' in r:
            return r
        else:
            return r, 403
    else:
        return {}, 403

@app.route("/user/<user_id>", methods = ["DELETE"])
def ep_user_delete(user_id):
    r = ldb.del_user(user_id)

    if 'uuid' in r:
        return r
    else:
        return r, 403

@app.route("/category", methods = ["GET"])
def ep_category_get():
    body = request.json

    if 'uuid' in body:
        category = ldb.get_category(body['uuid'])

        if 'uuid' in category:
            return category
        else:
            return category, 404
    else:
        return {}, 403

@app.route("/category", methods = ["POST"])
def ep_category_post():
    body = request.json

    if 'name' in body:
        r = ldb.add_category(body['name'])

        if 'uuid' in r:
            return r
        else:
            return r, 403
    else:
        return {}, 403

@app.route("/category", methods = ["DELETE"])
def ep_category_delete():
    body = request.json

    if 'uuid' in body:
        category = ldb.del_category(body['uuid'])

        if 'uuid' in category:
            return category
        else:
            return category, 404
    else:
        return {}, 403

@app.route("/record/<record_id>", methods = ["GET"])
def ep_record_get(record_id):
    r = ldb.get_record(record_id)

    if 'uuid' in r:
        return r
    else:
        return r, 404

@app.route("/record", methods = ["GET"])
def ep_record_get_filtered():
    options = {}

    if 'user_id' in request.json:
        options['user_id'] = request.json['user_id']

    if 'cat_id' in request.json:
        options['cat_id'] = request.json['cat_id']

    if len(list(options.keys())) == 0:
        return [], 400

    r = ldb.filter_records(options)

    return json.dumps(r)

@app.route("/record/<record_id>", methods = ["DELETE"])
def ep_record_del(record_id):
    r = ldb.del_record(record_id)

    if 'uuid' in r:
        return r
    else:
        return r, 404

@app.route("/record", methods = ["POST"])
def ep_record_post():
    body = request.json

    if 'user_id' not in body:
        return {}, 400

    if 'cat_id' not in body:
        return {}, 400

    if 'amount' not in body:
        return {}, 400

    r = ldb.add_record(body['user_id'], body['cat_id'], body['amount'])

    if 'uuid' in r:
        return r
    else:
        return r, 403