Added a whole lot of views.

Finished quiz API views
Finished question generator and answer eval

ref-test/app/api/views.py

@@ -1,4 +1,10 @@
-from flask import Blueprint
+from ..models import Dataset, Entry
+from ..tools.test import evaluate_answers, generate_questions
+
+from flask import Blueprint, jsonify, request
+
+from datetime import datetime, timedelta
+from json import loads
 
 api = Blueprint(
     name='api',
@@ -7,8 +13,54 @@ api = Blueprint(
 
 @api.route('/questions/', methods=['POST'])
 def _fetch_questions():
-    return 'Fetch Questions'
+    id = request.get_json()['id']
+    entry = Entry.query.filter_by(id=id).first()
+    if not entry: return jsonify({'error': 'Invalid entry ID.'}), 400
+    test = entry['test']
+    user_code = entry['user_code']
+    time_limit = test['time_limit']
+    time_adjustment = 0
+    if time_limit:
+        _time_limit = int(time_limit)
+        if user_code:
+            time_adjustment = test['time_adjustments'][user_code]
+            _time_limit += time_adjustment
+        end_delta = timedelta(minutes=_time_limit)
+        end_time = datetime.utcnow() + end_delta
+    else:
+        end_time = None
+    entry.start()
+    dataset = test['dataset']
+    success, message = dataset.check_file()
+    if not success: return jsonify({'error': message}), 500
+    data_path = dataset.get_file()
+    with open(data_path, 'r') as data_file:
+        data = loads(data_file.read())
+    questions = generate_questions(data)
+    return jsonify({
+        'time_limit': end_time,
+        'questions': questions,
+        'start_time': entry['start_time'],
+        'time_adjustment': time_adjustment
+    }), 200
 
 @api.route('/submit/', methods=['POST'])
 def _submit_quiz():
-    return 'Submit Quiz'
+    id = request.get_json()['id']
+    answers = request.get_json()['answers']
+    entry = Entry.query.filter_by(id=id).first()
+    if not entry: return jsonify({'error': 'Unrecognised ID.'}), 400
+    test = entry['test']
+    dataset = test['dataset']
+    success, message = dataset.check_file()
+    if not success: return jsonify({'error': message}), 500
+    data_path = dataset.get_file()
+    with open(data_path, 'r') as data_file:
+        data = loads(data_file.read())
+    result = evaluate_answers(answers=answers, key=data)
+    entry.complete(answers=answers, result=result)
+    return jsonify({
+        'success': 'Your submission has been processed. Redirecting you to receive your results.',
+        'id': id
+    }), 200
+