attachments by slugs
[edumed.git] / wtem / admin.py
index c3405b4..03c4446 100644 (file)
@@ -1,42 +1,61 @@
 # -*- coding: utf-8 -*-
+import json
 
-import os
-
-from django.contrib import admin
 from django import forms
-from django.utils import simplejson
-from django.utils.safestring import mark_safe
+from django.conf.urls import url, patterns
+from django.contrib import admin
+from django.contrib.auth.models import User
 from django.core.urlresolvers import reverse
+from django.http import HttpResponse
+from django.template.loader import render_to_string
+from django.utils.safestring import mark_safe
 
-from .models import Submission, Assignment, Attachment
 from .middleware import get_current_request
+from .models import Submission, Assignment, Attachment, exercises
 
 
-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]
+    try:
+        assignment = Assignment.objects.get(user=user)
+        return [e for e in exercises if e['id'] in assignment.exercises]
+    except Assignment.DoesNotExist:
+        return []
 
 
 readonly_fields = ('submitted_by', 'first_name', 'last_name', 'email', 'key', 'key_sent')
 
+
 class AttachmentWidget(forms.Widget):
     def render(self, name, value, *args, **kwargs):
-        return mark_safe('<input type="hidden" name="%s" value="%s"/><a href="%s">%s</a>' % (name, value, value, value))
+        if value:
+            a_tag = '<a href="%s">%s</a>' % (value, value)
+        else:
+            a_tag = 'brak'
+        return mark_safe(('<input type="hidden" name="%s" value="%s"/>' % (name, value)) + a_tag)
+
+
+class TextareaWithLinks(forms.Textarea):
+    def render(self, name, value, *args, **kwargs):
+        t, links = value
+        self.links = links
+        output = super(TextareaWithLinks, self).render(name, t, *args, **kwargs)
+        moreoutput = "<div style='margin-left: 106px'>"
+        for k, n, v in links:
+            moreoutput += u"<br>%s: %s" % (k, AttachmentWidget().render(n, v))
+        output += mark_safe(moreoutput + "</div>")
+        return output
+
 
 class SubmissionFormBase(forms.ModelForm):
     class Meta:
         model = Submission
-        exclude = ('answers', 'marks', 'contact') + readonly_fields
+        exclude = ('answers', 'marks', 'contact', 'end_time') + readonly_fields
 
 
 def get_open_answer(answers, exercise):
     def get_option(options, id):
         for option in options:
-            if option['id'] == int(id):
+            if str(option['id']) == id:
                 return option
 
     exercise_id = str(exercise['id'])
@@ -50,11 +69,12 @@ def get_open_answer(answers, exercise):
         else:
             toret = answer
     if exercise['type'] == 'edumed_wybor':
-        ok = set(map(str, exercise['answer'])) == set(map(str,answer['closed_part']))
+        ok = set(map(str, exercise['answer'])) == set(map(str, answer['closed_part']))
         toret = u'Czesc testowa [%s]:\n' % ('poprawna' if ok else 'niepoprawna')
-        for selected in answer['closed_part']:
-            option = get_option(exercise['options'], selected)
-            toret += '%s: %s\n' % (selected, option['text'])
+        if len(answer['closed_part']):
+            for selected in answer['closed_part']:
+                option = get_option(exercise['options'], selected)
+                toret += '%s: %s\n' % (selected, option['text'])
         else:
             toret += u'<nie wybrano odpowiedzi>\n'
         toret += u'\nCzesc otwarta (%s):\n\n' % ' '.join(exercise['open_part'])
@@ -65,8 +85,8 @@ def get_open_answer(answers, exercise):
 
 def get_form(request, submission):
     fields = dict()
-    if submission.answers:
-        answers = simplejson.loads(submission.answers)
+    if submission and submission.answers:
+        answers = json.loads(submission.answers)
         user_exercises = get_user_exercises(request.user)
         for exercise in exercises:
             if exercise not in user_exercises:
@@ -77,40 +97,68 @@ def get_form(request, submission):
             if exercise['type'] in ('open', 'file_upload') or exercise.get('open_part', None):
                 if exercise['type'] == 'file_upload':
                     try:
-                        attachment = Attachment.objects.get(submission = submission, exercise_id = exercise['id'])
+                        attachment = Attachment.objects.get(submission=submission, exercise_id=exercise['id'])
                     except Attachment.DoesNotExist:
                         attachment = None
                     widget = AttachmentWidget
                     initial = attachment.file.url if attachment else None
                 else:
-                    widget = forms.Textarea(attrs={'readonly':True})
-                    initial = get_open_answer(answers, exercise)
+                    # widget = forms.Textarea(attrs={'readonly':True})
+                    widget = TextareaWithLinks(attrs={'readonly': True})
+                    links = []
+                    qfiles = []
+                    for qfield in exercise.get('fields', []):
+                        if qfield.get('type') == 'file':
+                            qfiles.append((qfield['id'], qfield['caption']))
+                    if qfiles:
+                        eid = int(exercise['id'])
+                        by_tag = {}
+                        for att in Attachment.objects.filter(submission=submission, exercise_id=eid).order_by('tag'):
+                            by_tag[att.tag] = att.file.url
+                        for tag, caption in qfiles:
+                            v = by_tag.get(tag)
+                            if v:
+                                links.append((caption, "file_%s__%s" % (eid, tag), v))
+                    initial = get_open_answer(answers, exercise), links
 
                 fields[answer_field_name] = forms.CharField(
-                        widget = widget,
-                        initial = initial,
-                        label = 'Rozwiązanie zadania %s' % exercise['id']
+                    widget=widget,
+                    initial=initial,
+                    label=u'Rozwiązanie zadania %s' % exercise['id'],
+                    required=False
                 )
 
+                choices = [(None, '-')]  # + [(i,i) for i in range(exercise['max_points']+1)],
+                i = 0
+                while i <= exercise['max_points']:
+                    choices.append((i, i))
+                    i += .5
                 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']
+                    choices=choices,
+                    initial=submission.get_mark(user_id=request.user.id, exercise_id=exercise['id']),
+                    label=u'Twoja ocena zadania %s' % exercise['id']
                 )
+
+    if not request.user.is_superuser:
+        class Meta(SubmissionFormBase.Meta):
+            pass
+        Meta.exclude += ('examiners',)
+        fields['Meta'] = Meta
+
     return type('SubmissionForm', (SubmissionFormBase,), fields)
 
 
 class SubmissionAdmin(admin.ModelAdmin):
-    list_display = ('__unicode__', 'todo',)
+    list_display = ('__unicode__', 'todo', 'examiners_repr')
     readonly_fields = readonly_fields
 
-    def get_form(self, request, obj, **kwargs):
+    def get_form(self, request, obj=None, **kwargs):
         return get_form(request, obj)
-    
+
     def submitted_by(self, instance):
         if instance.contact:
             return '<a href="%s">%s</a>' % (
-                reverse('admin:contact_contact_change', args = [instance.contact.id]),
+                reverse('admin:contact_contact_change', args=[instance.contact.id]),
                 instance.contact.contact
             )
         return '-'
@@ -122,6 +170,11 @@ class SubmissionAdmin(admin.ModelAdmin):
         user_exercises = get_user_exercises(user)
         user_marks = submission.marks.get(str(user.id), {})
         return ','.join([str(e['id']) for e in user_exercises if str(e['id']) not in user_marks.keys()])
+    todo.short_description = 'Twoje nieocenione zadania'
+
+    def examiners_repr(self, submission):
+        return ', '.join([u.username for u in submission.examiners.all()])
+    examiners_repr.short_description = 'Przypisani do zgłoszenia'
 
     def save_model(self, request, submission, form, change):
         for name, value in form.cleaned_data.items():
@@ -129,9 +182,58 @@ class SubmissionAdmin(admin.ModelAdmin):
                 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.set_mark(user_id=user_id, exercise_id=exercise_id, mark=value)
         submission.save()
 
+    def changelist_view(self, request, extra_context=None):
+        context = dict(examiners=[])
+        assignments = Assignment.objects.all()
+        if not request.user.is_superuser:
+            assignments = assignments.filter(user=request.user)
+        for assignment in assignments:
+            examiner = dict(name=assignment.user.username, todo=0)
+            for submission in Submission.objects.filter(examiners=assignment.user):
+                for exercise_id in assignment.exercises:
+                    if submission.get_mark(user_id=assignment.user.id, exercise_id=exercise_id) is None:
+                        examiner['todo'] += 1
+            context['examiners'].append(examiner)
+        return super(SubmissionAdmin, self).changelist_view(request, extra_context=context)
+
+    def queryset(self, request):
+        qs = super(SubmissionAdmin, self).queryset(request)
+        if not request.user.is_superuser:
+            qs = qs.filter(examiners=request.user)
+        return qs
+
+    def get_urls(self):
+        urls = super(SubmissionAdmin, self).get_urls()
+        return patterns(
+            '',
+            url(r'^report/$', self.admin_site.admin_view(report_view), name='wtem_admin_report')
+        ) + super(SubmissionAdmin, self).get_urls()
+
+
+class SubmissionsSet:
+    def __init__(self, submissions):
+        self.submissions = submissions
+        self.examiners_by_exercise = {}
+        for submission in submissions:
+            for user_id, marks in submission.marks.items():
+                user = User.objects.get(pk=user_id)
+                for exercise_id in marks.keys():
+                    examiners = self.examiners_by_exercise.setdefault(exercise_id, [])
+                    if user not in examiners:
+                        examiners.append(user)
+
+
+def report_view(request):
+    submissions = sorted(Submission.objects.all(), key=lambda s: -s.final_result)
+    toret = render_to_string('wtem/admin_report.csv', {
+        'submissionsSet': SubmissionsSet(submissions),
+        'exercise_ids': [str(e['id']) for e in exercises]})
+    response = HttpResponse(toret, content_type='text/csv')
+    response['Content-Disposition'] = 'attachment; filename="wyniki.csv"'
+    return response
 
 admin.site.register(Submission, SubmissionAdmin)
-admin.site.register(Assignment)
\ No newline at end of file
+admin.site.register(Assignment)