basic arithmetic, API & questions organization, ID generation

server/api.py

@@ -0,0 +1,31 @@
+from flask import current_app, jsonify, request
+
+from server import questions
+from server.helpers import generate_id
+
+# Stores active questions in memory for checking answers.
+# Keys represent random question IDs. Values are Question objects.
+active_questions = {}
+
+categories = {
+    'arithmetic': questions.get_arithmetic
+}
+
+
+@current_app.route('/api/<category>/new')
+def new_question(category: str):
+    q_id = None
+    while q_id in active_questions.keys() or q_id is None:
+        q_id = generate_id(5)
+
+    active_questions[q_id] = categories[category]()()
+
+    return jsonify(active_questions[q_id])
+
+
+@current_app.route('/api/<category>/check')
+def check_question(category: str):
+    if 'id' not in request.args.keys():
+        return jsonify({'error': ''}), 400
+
+    return jsonify({'answer': active_questions.get(request.args[id])})