clean up and properly structure backend

fs-quiz-tool-db/app.py

@@ -0,0 +1,63 @@
+from flask import Flask, request
+import json
+import string
+import random
+import atexit
+
+app = Flask(__name__)
+
+filename = 'db.json'
+id_length = 16
+
+data = {}
+
+
+def startup():
+
+	global data
+	try:
+		fd = open(filename)
+		data = json.load(fd)
+	except FileNotFoundError:
+		pass
+
+
+@app.route('/<id>', methods = ['GET'])
+def get(id):
+	return data[id] if id in data else ('Error: Not found', 404)
+
+
+def generateRandomString():
+	return ''.join(random.choice(string.ascii_letters + string.digits) for _ in range(id_length))
+
+def generateNewKey():
+
+	id = generateRandomString()
+	while id in data:
+		id = generateRandomString()
+
+	return id
+
+@app.route('/', methods = ['POST'])
+def post():
+
+	id = generateNewKey()
+	data[id] = request.data.decode('UTF-8')
+
+	return id, 201
+
+
+def dumpDB():
+
+	if len(data) == 0:
+		return
+
+	try:
+		fd = open(filename, 'w+')
+		json.dump(data, fd)
+	finally:
+		fd.close()
+
+
+startup()
+atexit.register(dumpDB)