Admin definitions for explorer application.

[redakcja.git] / apps / explorer / forms.py

diff --git a/apps/explorer/forms.py b/apps/explorer/forms.py
index e648aa5..d79bc74 100644 (file)
--- a/apps/explorer/forms.py
+++ b/apps/explorer/forms.py
@@ -2,14 +2,52 @@ from django import forms
 
 from lxml import etree
 from librarian import dcparser
+import django.utils
 
 from explorer import models
 
+class PersonField(forms.CharField):
+    def clean(self, value):
+        try:
+            return dcparser.Person.from_text( super(PersonField, self).clean(value) )
+        except ValueError, e:
+            raise django.utils.ValidationError(e.message)        
+
+class PersonListField(forms.Field):
+
+    def __init__(self, *args, **kwargs):
+        super(PersonListField, self).__init__(*args, **kwargs)
+    
+    def _get_initial(self):
+        return u'\n'.join( ( unicode(person) for person in self._initial) )
+
+    def _set_initial(self, value):
+        if value is None:
+            self._initial = None
+        elif isinstance(value, list):
+            self._initial = [ e if isinstance(e, dcparser.Person) \
+                else dcparser.Person.from_text(e) for e in value ]
+        elif isinstance(value, basestring):
+            self._initial = [dcparser.Person.from_text(token) for token in value.split('\n') ]
+        else:
+            raise ValueError("Invalid value. Must be a list of dcparser.Person or string")    
+
+    initial = property(_get_initial, _set_initial)
+
+    def clean(self, value):
+        super(PersonListField, self).clean(value)
+        people = value.split('\n')
+        try:
+            return [dcparser.Person.from_text(person) for person in people]
+        except ValueError, e:
+            raise django.utils.ValidationError(e.message)        
 
 class BookForm(forms.Form):
-    text = forms.CharField(widget=forms.Textarea)
-    commit_message = forms.CharField()
-    user = forms.CharField()
+    content = forms.CharField(widget=forms.Textarea)
+    commit_message = forms.CharField(required=False)
+
+class BookUploadForm(forms.Form):
+    file = forms.FileField()
 
 class ImageFoldersForm(forms.Form):
     folders = forms.ChoiceField(required=False)
@@ -20,17 +58,18 @@ class ImageFoldersForm(forms.Form):
 
 
 class DublinCoreForm(forms.Form):
-    wiki_url = forms.URLField(verify_exists=False)
-    author = forms.CharField()
+    about = forms.URLField(verify_exists=False)
+    author = PersonField()
     title = forms.CharField()
     epoch = forms.CharField()
     kind = forms.CharField()
     genre = forms.CharField()
     created_at = forms.DateField()
     released_to_public_domain_at = forms.DateField()
-    translator = forms.CharField(required=False)
-    technical_editor = forms.CharField(required=False)
-    publisher = forms.CharField()
+    editors = PersonListField(widget=forms.Textarea, required=False)
+    translator = PersonField(required=False)
+    technical_editor = PersonField(required=False)
+    publisher = PersonField()
     source_name = forms.CharField(widget=forms.Textarea)
     source_url = forms.URLField(verify_exists=False)
     url = forms.URLField(verify_exists=False)
@@ -38,30 +77,14 @@ class DublinCoreForm(forms.Form):
     license = forms.CharField(required=False)
     license_description = forms.CharField(widget=forms.Textarea, required=False)
     
+    commit_message = forms.CharField(required=False, widget=forms.HiddenInput)
+    
     def __init__(self, *args, **kwargs):
         text = None
-        if 'text' in kwargs:
-            text = kwargs.pop('text')
+        info = kwargs.pop('info', None)
         
         super(DublinCoreForm, self).__init__(*args, **kwargs)
         
-        if text is not None:
-            book_info = dcparser.BookInfo.from_string(text)
-            for name, value in book_info.to_dict().items():
+        if isinstance(info, dcparser.BookInfo):
+            for name, value in info.to_dict().items():
                 self.fields[name].initial = value
-    
-    def save(self, repository, path):
-        file_contents = repository.get_file(path).data()
-        doc = etree.fromstring(file_contents)
-                
-        book_info = dcparser.BookInfo()
-        for name, value in self.cleaned_data.items():
-            if value is not None and value != '':
-                setattr(book_info, name, value)
-        rdf = etree.XML(book_info.to_xml())
-        
-        old_rdf = doc.getroottree().find('//{http://www.w3.org/1999/02/22-rdf-syntax-ns#}RDF')
-        old_rdf.getparent().remove(old_rdf)
-        doc.insert(0, rdf)
-        repository.add_file(path, unicode(etree.tostring(doc), 'utf-8'))
-