You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
110 lines
4.8 KiB
110 lines
4.8 KiB
# -*- coding: utf-8 -*-
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from django import forms
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from django.conf import settings
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from ckeditor.widgets import CKEditorWidget
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from django.core.exceptions import ValidationError
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from django.template.defaultfilters import slugify
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#functions
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from functions.translate import populate_all, fill_trans_fields_all
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from functions.files import check_tmp_files
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from functions.form_check import translit_with_separator
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#models
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from models import Article
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from theme.models import Theme, Tag
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class ArticleForm(forms.Form):
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"""
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Create Article form for creating conference
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__init__ uses for dynamic creates fields
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save function saves data in Article object. If it doesnt exist create new object
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"""
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author = forms.CharField(label='Автор', required=False)
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key = forms.CharField(required=False, widget=forms.HiddenInput())
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theme = forms.ModelMultipleChoiceField(label='Тематики', queryset=Theme.objects.all())
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#creates select input with empty choices cause it will be filled with ajax
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tag = forms.MultipleChoiceField(label='Теги', required=False)
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def __init__(self, *args, **kwargs):
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"""
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create dynamical translated fields fields
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"""
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super(ArticleForm, self).__init__(*args, **kwargs)
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#creates translated forms example: name_ru, name_en
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# len(10) is a hack for detect if settings.LANGUAGES is not configured it return all langs
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if len(settings.LANGUAGES) in range(10):
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for lid, (code, name) in enumerate(settings.LANGUAGES):
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# uses enumerate for detect iteration number
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# first iteration is a default lang so it required fields
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required = True if lid == 0 else False
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self.fields['main_title_%s' % code] = forms.CharField(label='Заголовок', required=required)
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self.fields['preview_%s' % code] = forms.CharField(label='Превью', required=required, widget=CKEditorWidget)
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self.fields['description_%s' % code] = forms.CharField(label='Описание', required=required, widget=CKEditorWidget)
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#meta data
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self.fields['title_%s' % code] = forms.CharField(label='Тайтл', required=False, max_length=255,
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widget=forms.TextInput(attrs={'style':'width: 550px'}))
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self.fields['keywords_%s' % code] = forms.CharField(label='Дескрипшен', required=False, max_length=255,
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widget=forms.TextInput(attrs={'style':'width: 550px'}))
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self.fields['descriptions_%s' % code] = forms.CharField(label='Кейвордс', required=False, max_length=255,
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widget=forms.TextInput(attrs={'style':'width: 550px'}))
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def save(self, id=None):
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"""
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change Article object with id = id
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N/A add new Article object
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usage: form.save(obj) - if change article
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form.save() - if add article
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"""
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data = self.cleaned_data
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#create new Article object or get exists
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if not id:
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article = Article()
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else:
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article = Article.objects.get(id=id)
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#clear manytomany relations
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article.theme.clear()
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article.tag.clear()
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article.author = data['author']
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#create slug field from russian language
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article.url = translit_with_separator(data['main_title_ru'])
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# uses because in the next loop data will be overwritten
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article.save()
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for item in data['theme']:
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article.theme.add(item.id)#.id cause select uses queryset
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for item in data['tag']:
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article.tag.add(item)
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# uses because in the next loop data will be overwritten
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article.save()
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#populate fields with zero language
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zero_fields = {}
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fill_trans_fields_all(Article, article, data, id, zero_fields)
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#autopopulate
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#populate empty fields and fields which was already populated
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article_id = getattr(article, 'id')
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populate_all(Article, data, article_id, zero_fields)
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#save files
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check_tmp_files(article, data['key'])
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def clean_main_title_ru(self):
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"""
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check main title which must be unique because it generate slug field
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"""
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cleaned_data = super(ArticleForm, self).clean()
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main_title_ru = cleaned_data.get('main_title_ru')
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try:
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article = Article.objects.get(url=translit_with_separator(main_title_ru))
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if (article.url == translit_with_separator(main_title_ru)):
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return main_title_ru
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except:
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return main_title_ru
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raise ValidationError('Статья с таким названием уже существует') |