wtem/admin.py

   1 # -*- coding: utf-8 -*-
   2
   3 import os
   4
   5 from django.contrib import admin
   6 from django import forms
   7 from django.utils import simplejson
   8 from django.core.urlresolvers import reverse
   9
  10 from .models import Submission, Assignment
  11 from .middleware import get_current_request
  12
  13
  14 f = file(os.path.dirname(__file__) + '/fixtures/exercises.json')
  15 exercises = simplejson.loads(f.read())
  16 f.close()
  17
  18 def get_user_exercises(user):
  19     assignment = Assignment.objects.get(user = user)
  20     return [e for e in exercises if e['id'] in assignment.exercises]
  21
  22
  23 readonly_fields = ('submitted_by', 'first_name', 'last_name', 'email', 'key', 'key_sent')
  24
  25
  26 class SubmissionFormBase(forms.ModelForm):
  27     class Meta:
  28         model = Submission
  29         exclude = ('answers', 'marks', 'contact') + readonly_fields
  30
  31
  32 def get_form(request, submission):
  33     fields = dict()
  34     if submission.answers:
  35         answers = simplejson.loads(submission.answers)
  36         user_exercises = get_user_exercises(request.user)
  37         for exercise in exercises:
  38             if exercise not in user_exercises:
  39                 continue
  40             if exercise['type'] == 'open':
  41                 answer_field_name = 'exercise_%s' % exercise['id']
  42                 mark_field_name = 'markof_%s_by_%s' % (exercise['id'], request.user.id)
  43                 fields[answer_field_name] = forms.CharField(
  44                     widget = forms.Textarea(attrs={'readonly':True}),
  45                     initial = answers[str(exercise['id'])],
  46                     label = 'Rozwiązanie zadania %s' % exercise['id']
  47                 )
  48
  49                 fields[mark_field_name] = forms.ChoiceField(
  50                     choices = [(None, '-')] + [(i,i) for i in range(exercise['max_points']+1)],
  51                     initial = submission.get_mark(user_id = request.user.id, exercise_id = exercise['id']),
  52                     label = u'Twoja ocena zadania %s' % exercise['id']
  53                 )
  54     return type('SubmissionForm', (SubmissionFormBase,), fields)
  55
  56
  57 class SubmissionAdmin(admin.ModelAdmin):
  58     list_display = ('__unicode__', 'todo',)
  59     readonly_fields = readonly_fields
  60
  61     def get_form(self, request, obj, **kwargs):
  62         return get_form(request, obj)
  63
  64     def submitted_by(self, instance):
  65         if instance.contact:
  66             return '<a href="%s">%s</a>' % (
  67                 reverse('admin:contact_contact_change', args = [instance.contact.id]),
  68                 instance.contact.contact
  69             )
  70         return '-'
  71     submitted_by.allow_tags = True
  72     submitted_by.short_description = "Zgłoszony/a przez"
  73
  74     def todo(self, submission):
  75         user = get_current_request().user
  76         user_exercises = get_user_exercises(user)
  77         user_marks = submission.marks.get(str(user.id), {})
  78         return ','.join([str(e['id']) for e in user_exercises if str(e['id']) not in user_marks.keys()])
  79
  80     def save_model(self, request, submission, form, change):
  81         for name, value in form.cleaned_data.items():
  82             if name.startswith('markof_'):
  83                 parts = name.split('_')
  84                 exercise_id = parts[1]
  85                 user_id = parts[3]
  86                 submission.set_mark(user_id = user_id, exercise_id = exercise_id, mark = value)
  87         submission.save()
  88
  89
  90 admin.site.register(Submission, SubmissionAdmin)
  91 admin.site.register(Assignment)