From 29892da19ae7c1b2777f48bce4674262d2a19cef Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@araneo.org>
Date: Fri, 28 Aug 2015 17:44:51 +0200
Subject: Add a hint service for Prolog

---
 wsgi_server.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'wsgi_server.py')

diff --git a/wsgi_server.py b/wsgi_server.py
index 1624772..50676b4 100644
--- a/wsgi_server.py
+++ b/wsgi_server.py
@@ -147,6 +147,19 @@ class Query(CodeqService):
                 session.update_solution(problem_id, trace, program)
             return result
 
+class Hint(CodeqService):
+    def process(self, js, session):
+        problem_id = js.get('problem_id')
+        program = js.get('program')
+        if problem_id is None:
+            return {'code': 1, 'message': 'Problem ID not given'}
+        if program is None:
+            return {'code': 2, 'message': 'No program specified'}
+
+        prolog = session.get_prolog()
+        hints = prolog.hint(session.get_uid(), problem_id, program)
+        return {'code': 0, 'message': 'ok', 'hints': hints}
+
 class Test(CodeqService):
     def process(self, js, session):
         problem_id = js.get('problem_id')
@@ -186,6 +199,9 @@ api.add_route('/activity', activity)
 query = Query()
 api.add_route('/query', query)
 
+hint = Hint()
+api.add_route('/hint', hint)
+
 test = Test()
 api.add_route('/test', test)
 
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