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accept empty cover in document save form
[redakcja.git] / apps / wiki / forms.py
diff --git a/apps/wiki/forms.py b/apps/wiki/forms.py
index 6b10909..6db1903 100644 (file)
--- a/apps/wiki/forms.py
+++ b/apps/wiki/forms.py
@@ -3,81 +3,12 @@
 # This file is part of FNP-Redakcja, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 # This file is part of FNP-Redakcja, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
-from django.contrib.auth.models import User
-from django.db.models import Count
 from django import forms
 from django import forms
+from django.core.exceptions import ValidationError
 from django.utils.translation import ugettext_lazy as _
 
 from django.utils.translation import ugettext_lazy as _
 
-from wiki.constants import MASTERS
-from wiki.models import Book, Chunk
-
-class DocumentTagForm(forms.Form):
-    """
-        Form for tagging revisions.
-    """
-
-    id = forms.CharField(widget=forms.HiddenInput)
-    tag = forms.ModelChoiceField(queryset=Chunk.tag_model.objects.all())
-    revision = forms.IntegerField(widget=forms.HiddenInput)
-
-
-class DocumentPubmarkForm(forms.Form):
-    """
-        Form for marking revisions for publishing.
-    """
-
-    id = forms.CharField(widget=forms.HiddenInput)
-    publishable = forms.BooleanField(required=False, initial=True,
-            label=_('Publishable'))
-    revision = forms.IntegerField(widget=forms.HiddenInput)
-
-
-class DocumentCreateForm(forms.ModelForm):
-    """
-        Form used for creating new documents.
-    """
-    file = forms.FileField(required=False)
-    text = forms.CharField(required=False, widget=forms.Textarea)
-
-    class Meta:
-        model = Book
-        exclude = ['gallery', 'parent', 'parent_number']
-        prepopulated_fields = {'slug': ['title']}
-
-    def clean(self):
-        super(DocumentCreateForm, self).clean()
-        file = self.cleaned_data['file']
-
-        if file is not None:
-            try:
-                self.cleaned_data['text'] = file.read().decode('utf-8')
-            except UnicodeDecodeError:
-                raise forms.ValidationError("Text file must be UTF-8 encoded.")
-
-        if not self.cleaned_data["text"]:
-            raise forms.ValidationError("You must either enter text or upload a file")
-
-        return self.cleaned_data
-
-
-class DocumentsUploadForm(forms.Form):
-    """
-        Form used for uploading new documents.
-    """
-    file = forms.FileField(required=True, label=_('ZIP file'))
-
-    def clean(self):
-        file = self.cleaned_data['file']
-
-        import zipfile
-        try:
-            z = self.cleaned_data['zip'] = zipfile.ZipFile(file)
-        except zipfile.BadZipfile:
-            raise forms.ValidationError("Should be a ZIP file.")
-        if z.testzip():
-            raise forms.ValidationError("ZIP file corrupt.")
-
-        return self.cleaned_data
+from catalogue.constants import STAGES
+from librarian.document import Document
 
 
 class DocumentTextSaveForm(forms.Form):
 
 
 class DocumentTextSaveForm(forms.Form):
@@ -86,39 +17,72 @@ class DocumentTextSaveForm(forms.Form):
 
         * parent_revision - revision which the modified text originated from.
         * comment - user's verbose comment; will be used in commit.
 
         * parent_revision - revision which the modified text originated from.
         * comment - user's verbose comment; will be used in commit.
-        * stage_completed - mark this change as end of given stage.
+        * stage - change to this stage
 
     """
 
 
     """
 
-    parent_revision = forms.IntegerField(widget=forms.HiddenInput)
+    parent_revision = forms.IntegerField(widget=forms.HiddenInput, required=False)
     text = forms.CharField(widget=forms.HiddenInput)
 
     author_name = forms.CharField(
     text = forms.CharField(widget=forms.HiddenInput)
 
     author_name = forms.CharField(
-        required=False,
+        required=True,
         label=_(u"Author"),
         help_text=_(u"Your name"),
     )
 
     author_email = forms.EmailField(
         label=_(u"Author"),
         help_text=_(u"Your name"),
     )
 
     author_email = forms.EmailField(
-        required=False,
+        required=True,
         label=_(u"Author's email"),
         help_text=_(u"Your email address, so we can show a gravatar :)"),
     )
 
     comment = forms.CharField(
         label=_(u"Author's email"),
         help_text=_(u"Your email address, so we can show a gravatar :)"),
     )
 
     comment = forms.CharField(
-        required=True,
+        required=False,
         widget=forms.Textarea,
         label=_(u"Your comments"),
         help_text=_(u"Describe changes you made."),
     )
 
         widget=forms.Textarea,
         label=_(u"Your comments"),
         help_text=_(u"Describe changes you made."),
     )
 
-    stage_completed = forms.ModelChoiceField(
-        queryset=Chunk.tag_model.objects.all(),
+    stage = forms.ChoiceField(
+        choices=[(s, s) for s in STAGES],
         required=False,
         required=False,
-        label=_(u"Completed"),
-        help_text=_(u"If you completed a life cycle stage, select it."),
+        label=_(u"Stage"),
+        help_text=_(u"If completed a work stage, change to another one."),
     )
 
     )
 
+    def __init__(self, *args, **kwargs):
+        user = kwargs.pop('user')
+        super(DocumentTextSaveForm, self).__init__(*args, **kwargs)
+        if user and user.is_authenticated():
+            self.fields['author_name'].required = False
+            self.fields['author_email'].required = False
+
+    def clean_text(self):
+        text = self.cleaned_data['text']
+        try:
+            doc = Document.from_string(text)
+        except ValueError as e:
+            raise ValidationError(e.message)
+
+        from librarian import SSTNS, DCNS
+        root_elem = doc.edoc.getroot()
+        if len(root_elem) < 1 or root_elem[0].tag != SSTNS('metadata'):
+            raise ValidationError("The first tag in section should be metadata")
+        if len(root_elem) < 2 or root_elem[1].tag != SSTNS('header'):
+            raise ValidationError("The first tag after metadata should be header")
+        header = root_elem[1]
+        if not getattr(header, 'text', None) or not header.text.strip():
+            raise ValidationError(
+                "The first header should contain the title in plain text (no links, emphasis etc.) and cannot be empty")
+
+        cover_url = doc.meta.get_one(DCNS('relation.coverimage.url'))
+        if cover_url:
+            ext = cover_url.rsplit('.', 1)[-1].lower()
+            if ext not in ('jpg', 'jpeg', 'png', 'gif', 'tif', 'tiff'):
+                raise ValidationError('Invalid cover image format, should be an image file (jpg, png, gif). '
+                                      'Change it in Metadata.')
+        return text
+
 
 class DocumentTextRevertForm(forms.Form):
     """
 
 class DocumentTextRevertForm(forms.Form):
     """
@@ -144,75 +108,12 @@ class DocumentTextRevertForm(forms.Form):
     )
 
     comment = forms.CharField(
     )
 
     comment = forms.CharField(
-        required=True,
+        required=False,
         widget=forms.Textarea,
         label=_(u"Your comments"),
         help_text=_(u"Describe the reason for reverting."),
     )
 
 
         widget=forms.Textarea,
         label=_(u"Your comments"),
         help_text=_(u"Describe the reason for reverting."),
     )
 
 
-class ChunkForm(forms.ModelForm):
-    """
-        Form used for editing a chunk.
-    """
-    user = forms.ModelChoiceField(queryset=
-        User.objects.annotate(count=Count('chunk')).
-        order_by('-count', 'last_name', 'first_name'))
-
-
-    class Meta:
-        model = Chunk
-        exclude = ['number']
-
-    def clean_slug(self):
-        slug = self.cleaned_data['slug']
-        try:
-            chunk = Chunk.objects.get(book=self.instance.book, slug=slug)
-        except Chunk.DoesNotExist:
-            return slug
-        if chunk == self.instance:
-            return slug
-        raise forms.ValidationError(_('Chunk with this slug already exists'))
-
-
-class ChunkAddForm(ChunkForm):
-    """
-        Form used for adding a chunk to a document.
-    """
-
-    def clean_slug(self):
-        slug = self.cleaned_data['slug']
-        try:
-            user = Chunk.objects.get(book=self.instance.book, slug=slug)
-        except Chunk.DoesNotExist:
-            return slug
-        raise forms.ValidationError(_('Chunk with this slug already exists'))
-
-
-
-
-class BookAppendForm(forms.Form):
-    """
-        Form for appending a book to another book.
-        It means moving all chunks from book A to book B and deleting A.
-    """
-
-    append_to = forms.ModelChoiceField(queryset=Book.objects.all(),
-        label=_("Append to"))
-
-
-class BookForm(forms.ModelForm):
-    """
-        Form used for editing a Book.
-    """
-
-    class Meta:
-        model = Book
-
-
-class ChooseMasterForm(forms.Form):
-    """
-        Form used for fixing the chunks in a book.
-    """
-
-    master = forms.ChoiceField(choices=((m, m) for m in MASTERS))
+class DocumentTextPublishForm(forms.Form):
+    revision = forms.IntegerField(widget=forms.HiddenInput)