From cc7808417c18e06b6d8c7b68f2b045632103fa08 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Aleksander=20=C5=81ukasz?=
 <aleksander.lukasz@nowoczesnapolska.org.pl>
Date: Wed, 6 Nov 2013 12:38:41 +0100
Subject: [PATCH] Marking open questions via admin form

---
 wtem/admin.py | 70 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 69 insertions(+), 1 deletion(-)

diff --git a/wtem/admin.py b/wtem/admin.py
index 0d7cd14..f4ad1b0 100644
--- a/wtem/admin.py
+++ b/wtem/admin.py
@@ -1,4 +1,72 @@
+# -*- coding: utf-8 -*-
+
+import os
+
 from django.contrib import admin
-from .models import Assignment
+from django import forms
+from django.utils import simplejson
+
+from .models import Submission, Assignment
+
+
+f = file(os.path.dirname(__file__) + '/fixtures/exercises.json')
+exercises = simplejson.loads(f.read())
+f.close()
+
+def get_user_exercises(user):
+    assignment = Assignment.objects.get(user = user)
+    return [e for e in exercises if e['id'] in assignment.exercises]
+
+
+readonly_fields = ('contact', 'first_name', 'last_name', 'email', 'key', 'key_sent')
+
+
+class SubmissionFormBase(forms.ModelForm):
+    class Meta:
+        model = Submission
+        exclude = ('answers', 'marks') + readonly_fields
+
+
+def get_form(request, submission):
+    fields = dict()
+    if submission.answers:
+        answers = simplejson.loads(submission.answers)
+        user_exercises = get_user_exercises(request.user)
+        for exercise in exercises:
+            if exercise not in user_exercises:
+                continue
+            if exercise['type'] == 'open':
+                answer_field_name = 'exercise_%s' % exercise['id']
+                mark_field_name = 'markof_%s_by_%s' % (exercise['id'], request.user.id)
+                fields[answer_field_name] = forms.CharField(
+                    widget = forms.Textarea(attrs={'readonly':True}),
+                    initial = answers[str(exercise['id'])],
+                    label = 'Rozwiązanie zadania %s' % exercise['id']
+                )
+
+                fields[mark_field_name] = forms.ChoiceField(
+                    choices = [(None, '-')] + [(i,i) for i in range(exercise['max_points']+1)],
+                    initial = submission.get_mark(user_id = request.user.id, exercise_id = exercise['id']),
+                    label = u'Twoja ocena zadania %s' % exercise['id']
+                )
+    return type('SubmissionForm', (SubmissionFormBase,), fields)
+
+
+class SubmissionAdmin(admin.ModelAdmin):
+    readonly_fields = readonly_fields
+
+    def get_form(self, request, obj, **kwargs):
+        return get_form(request, obj)
+    
+    def save_model(self, request, submission, form, change):
+        for name, value in form.cleaned_data.items():
+            if name.startswith('markof_'):
+                parts = name.split('_')
+                exercise_id = parts[1]
+                user_id = parts[3]
+                submission.set_mark(user_id = user_id, exercise_id = exercise_id, mark = value)
+        submission.save()
+
 
+admin.site.register(Submission, SubmissionAdmin)
 admin.site.register(Assignment)
\ No newline at end of file
-- 
2.20.1