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[redakcja.git] / apps / wiki / views.py
index 931cf78..29039b7 100644 (file)
@@ -2,75 +2,165 @@ import os
 
 from django.conf import settings
 from django.views.generic.simple import direct_to_template
-from django.http import HttpResponse, Http404
-from django.utils import simplejson as json
+from django.views.decorators.http import require_POST
+from .helpers import JSONResponse, JSONFormInvalid, JSONServerError
+from django import http
 
-from wiki.models import storage, Document, DocumentNotFound
-from wiki.forms import DocumentForm
+from wiki.models import getstorage
+from wiki.forms import DocumentForm, DocumentTextSaveForm, DocumentTagForm
 from datetime import datetime
+from django.utils.encoding import smart_unicode
+import wlapi
 
-# import google_diff
-import difflib
+#
+# Quick hack around caching problems, TODO: use ETags
+#
+from django.views.decorators.cache import never_cache
 
+import logging
+logger = logging.getLogger("fnp.peanut.api")
 
-class DateTimeEncoder(json.JSONEncoder):
-     def default(self, obj):
-         if isinstance(obj, datetime):
-             return datetime.ctime(obj) + " " + (datetime.tzname(obj) or 'GMT')
-         return json.JSONEncoder.default(self, obj)
+import nice_diff
+import operator
 
+MAX_LAST_DOCS = 10
+
+@never_cache
 def document_list(request, template_name = 'wiki/document_list.html'):
+    # TODO: find a way to cache "Storage All"
     return direct_to_template(request, template_name, extra_context = {
-        'document_list': storage.all(),
-    })
-
+        'document_list': getstorage().all(),
+        'last_docs': sorted(request.session.get("wiki_last_docs", {}).items(), 
+                        key=operator.itemgetter(1), reverse = True)
+    })  
 
+@never_cache
 def document_detail(request, name, template_name = 'wiki/document_details.html'):
-    try:
-        document = storage.get(name)
-    except DocumentNotFound:
-        # WTF ?!
-        raise Http404 
-        # document = Document(storage, name = name, text = '')
-
-    if request.method == 'POST':
-        form = DocumentForm(request.POST, instance = document)
-        if form.is_valid():
-            document = form.save()
-            return HttpResponse(json.dumps({'text': document.plain_text, 'meta': document.meta(), 'revision': document.revision()}))
-        else:
-            return HttpResponse(json.dumps({'errors': form.errors}))
-    else:
-        form = DocumentForm(instance = document)
+    
+    document = getstorage().get_or_404(name)
+    
+    access_time = datetime.now()
+    last_documents = request.session.get("wiki_last_docs", {})      
+    last_documents[name] = access_time
+    
+    if len(last_documents) > MAX_LAST_DOCS:
+        oldest_key = min(last_documents, key = last_documents.__getitem__)
+        del last_documents[oldest_key]        
+    request.session['wiki_last_docs'] = last_documents      
 
     return direct_to_template(request, template_name, extra_context = {
         'document': document,
-        'form': form,
+        'document_info': document.info,
+        'document_meta': document.meta,
+        'forms': {"text_save": DocumentTextSaveForm(), "add_tag": DocumentTagForm() },         
     })
 
+@never_cache
+def document_text(request, name):    
+    storage = getstorage()
+    document = storage.get_or_404(name) 
+    
+    if request.method == 'POST':        
+        form = DocumentTextSaveForm(request.POST)
+        
+        if form.is_valid():            
+            revision = form.cleaned_data['parent_revision']
+            document.text = form.cleaned_data['text']
+            
+            storage.put(document, 
+                author = form.cleaned_data['author'] or request.user.username, 
+                comment = form.cleaned_data['comment'],
+                parent = revision 
+            )
+                        
+            return JSONResponse({
+                'text': document.plain_text if revision != document.revision() else None, 
+                'meta': document.meta(), 
+                'revision': document.revision() 
+            })
+        else:
+            return JSONFormInvalid(form)                            
+    else:
+        return JSONResponse({
+            'text': document.plain_text, 
+            'meta': document.meta(), 
+            'revision': document.revision()
+        })
+   
 
+
+@never_cache
 def document_gallery(request, directory):
     try:
-        base_dir = os.path.join(settings.MEDIA_ROOT, settings.FILEBROWSER_DIRECTORY, directory)
-        images = [u'%s%s%s/%s' % (settings.MEDIA_URL, settings.FILEBROWSER_DIRECTORY, directory, f) for f in os.listdir(base_dir) if os.path.splitext(f)[1].lower() in (u'.jpg', u'.jpeg', u'.png')]
+        base_url = ''.join((
+                        smart_unicode(settings.MEDIA_URL),
+                        smart_unicode(settings.FILEBROWSER_DIRECTORY),
+                        smart_unicode(directory)))
+        
+        base_dir = os.path.join(
+                    smart_unicode(settings.MEDIA_ROOT), 
+                    smart_unicode(settings.FILEBROWSER_DIRECTORY),
+                    smart_unicode(directory))
+        
+        def map_to_url(filename):
+            return "%s/%s" % (base_url, smart_unicode(filename))
+            
+        def is_image(filename):
+            return os.path.splitext(f)[1].lower() in (u'.jpg', u'.jpeg', u'.png')
+            
+        images = [ map_to_url(f) for f in map(smart_unicode, os.listdir(base_dir)) if is_image(f) ]
         images.sort()
-        return HttpResponse(json.dumps(images))
+        return JSONResponse(images)
     except (IndexError, OSError), exc:
         import traceback
         traceback.print_exc()
+        raise http.Http404
+    
+@never_cache
+def document_diff(request, name):
+    storage = getstorage()    
+    
+    revA = int(request.GET.get('from', 0))
+    revB = int(request.GET.get('to', 0))
+    
+    if revA > revB:
+        revA, revB = revB, revA
+        
+    if revB == 0:
+        revB = None   
+         
+    docA = storage.get_or_404(name, int(revA))
+    docB = storage.get_or_404(name, int(revB)) 
+        
+    return http.HttpResponse(nice_diff.html_diff_table(docA.plain_text.splitlines(), 
+                                         docB.plain_text.splitlines()) )                                           
+    
+@never_cache    
+def document_history(request, name):
+    storage = getstorage()
+    return JSONResponse(storage.history(name)) 
 
-        raise Http404
+@require_POST
+def document_add_tag(request, name): 
+    storage = getstorage()
+    
+    form = DocumentTagForm(request.POST)
+    if form.is_valid():
+        doc = storage.get_or_404(name, form.cleaned_data['version'])
+        doc.add_tag(form.cleaned_data['tag'])
+        return JSONResponse({"message": _("Tag added")})  
+    else:
+        return JSONFormInvalid(form)
     
-def document_diff(request, name, revA, revB):
-    differ = difflib.HtmlDiff(wrapcolumn=60)
-     
-    docA = storage.get(name, int(revA))
-    docB = storage.get(name, int(revB))
-     
-    return HttpResponse(differ.make_table(
-                                docA.plain_text.splitlines(),
-                                docB.plain_text.splitlines() ) )                                           
+@require_POST
+def document_publish(request, name, version):
+    storage = getstorage()
     
+    # get the document
+    document = storage.get_or_404(name, revision = int(version))
     
-def document_history(reuqest, name):
-    return HttpResponse( json.dumps(storage.history(name), cls=DateTimeEncoder), mimetype='application/json')
+    api = wlapi.WLAPI(settings.WL_API_CONFIG)    
+    try:        
+        return JSONResponse({"result": api.publish_book(document)})
+    except wlapi.APICallException, e:  
+        return JSONServerError({"message": str(e)})                     
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