forms.py
7.05 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
from django import forms
from django.utils.translation import ugettext_lazy as _
import datetime
from .models import Subject, Tag
class CreateSubjectForm(forms.ModelForm):
def __init__(self, *args, **kwargs):
super(CreateSubjectForm, self).__init__(*args, **kwargs)
if not kwargs['instance'] is None:
self.initial['tags'] = ", ".join(self.instance.tags.all().values_list("name", flat = True))
# TODO: Define form fields here
tags = forms.CharField(label = _('Tags'), required = False)
class Meta:
model = Subject
fields = ('name', 'description_brief', 'description', 'subscribe_begin', 'subscribe_end', 'init_date', 'end_date',
'visible', 'professor', 'students', )
widgets = {
'description_brief': forms.Textarea,
'description': forms.Textarea,
'professor': forms.SelectMultiple,
'students': forms.SelectMultiple,
}
def save(self, commit=True):
super(CreateSubjectForm, self).save(commit = True)
self.instance.save()
previous_tags = self.instance.tags.all()
tags = self.cleaned_data['tags'].split(",")
#Excluding unwanted tags
for prev in previous_tags:
if not prev.name in tags:
self.instance.tags.remove(prev)
for tag in tags:
tag = tag.strip()
exist = Tag.objects.filter(name = tag).exists()
if exist:
new_tag = Tag.objects.get(name = tag)
else:
new_tag = Tag.objects.create(name = tag)
if not new_tag in self.instance.tags.all():
self.instance.tags.add(new_tag)
return self.instance
def clean_name(self):
name = self.cleaned_data.get('name')
if self.instance.id:
same_name = Subject.objects.filter(name__unaccent__iexact = name).exclude(id = self.instance.id)
else:
same_name = Subject.objects.filter(name__unaccent__iexact = name)
if same_name.count() > 0:
self._errors['name'] = [_('There is another subject with this name, try another one.')]
return name
def clean_subscribe_begin(self):
subscribe_begin = self.cleaned_data['subscribe_begin']
if subscribe_begin < datetime.datetime.today().date():
self._errors['subscribe_begin'] = [_('This date must be today or after')]
return ValueError
return subscribe_begin
def clean_subscribe_end(self):
subscribe_end = self.cleaned_data['subscribe_end']
subscribe_begin = self.cleaned_data['subscribe_begin']
if subscribe_begin is ValueError or subscribe_end < subscribe_begin:
self._errors['subscribe_end'] = [_('This date must be equal subscribe begin or after')]
return ValueError
return subscribe_end
def clean_init_date(self):
init_date = self.cleaned_data['init_date']
subscribe_end = self.cleaned_data['subscribe_end']
if subscribe_end is ValueError or init_date <= subscribe_end:
self._errors['init_date'] = [_('This date must be after subscribe end')]
return ValueError
return init_date
def clean_end_date(self):
end_date = self.cleaned_data['end_date']
init_date = self.cleaned_data['init_date']
if init_date is ValueError or end_date < init_date:
self._errors['end_date'] = [_('This date must be equal init date or after')]
return ValueError
return end_date
class UpdateSubjectForm(forms.ModelForm):
def __init__(self, *args, **kwargs):
super(UpdateSubjectForm, self).__init__(*args, **kwargs)
if not kwargs['instance'] is None:
self.initial['tags'] = ", ".join(self.instance.tags.all().values_list("name", flat = True))
# TODO: Define form fields here
tags = forms.CharField(label = _('Tags'), required = False)
class Meta:
model = Subject
fields = ('name', 'description_brief', 'description', 'subscribe_begin', 'subscribe_end', 'init_date', 'end_date',
'visible', 'professor', 'students', )
widgets = {
'description_brief': forms.Textarea,
'description': forms.Textarea,
'professor': forms.SelectMultiple,
'students': forms.SelectMultiple,
}
def save(self, commit=True):
super(UpdateSubjectForm, self).save(commit = True)
self.instance.save()
previous_tags = self.instance.tags.all()
tags = self.cleaned_data['tags'].split(",")
#Excluding unwanted tags
for prev in previous_tags:
if not prev.name in tags:
self.instance.tags.remove(prev)
for tag in tags:
tag = tag.strip()
exist = Tag.objects.filter(name = tag).exists()
if exist:
new_tag = Tag.objects.get(name = tag)
else:
new_tag = Tag.objects.create(name = tag)
if not new_tag in self.instance.tags.all():
self.instance.tags.add(new_tag)
return self.instance
def clean_name(self):
name = self.cleaned_data.get('name')
if self.instance.id:
same_name = Subject.objects.filter(name__unaccent__iexact = name).exclude(id = self.instance.id)
else:
same_name = Subject.objects.filter(name__unaccent__iexact = name)
if same_name.count() > 0:
self._errors['name'] = [_('There is another subject with this name, try another one.')]
return name
def clean_subscribe_begin(self):
subscribe_begin = self.cleaned_data['subscribe_begin']
if subscribe_begin < datetime.datetime.today().date() and subscribe_begin < self.instance.subscribe_begin:
self._errors['subscribe_begin'] = [_('This date must be today or after')]
return ValueError
return subscribe_begin
def clean_subscribe_end(self):
subscribe_end = self.cleaned_data['subscribe_end']
subscribe_begin = self.cleaned_data['subscribe_begin']
if subscribe_begin is ValueError or subscribe_end < subscribe_begin:
self._errors['subscribe_end'] = [_('This date must be equal subscribe begin or after')]
return ValueError
return subscribe_end
def clean_init_date(self):
init_date = self.cleaned_data['init_date']
subscribe_end = self.cleaned_data['subscribe_end']
if subscribe_end is ValueError or init_date <= subscribe_end:
self._errors['init_date'] = [_('This date must be after subscribe end')]
return ValueError
return init_date
def clean_end_date(self):
end_date = self.cleaned_data['end_date']
init_date = self.cleaned_data['init_date']
if init_date is ValueError or end_date < init_date:
self._errors['end_date'] = [_('This date must be equal init date or after')]
return ValueError
return end_date
class CreateTagForm(forms.ModelForm):
class Meta:
model = Tag
fields = ('name',)