Changes to index display.
[redakcja.git] / apps / api / handlers / library_handlers.py
index 552eb6f..ae61389 100644 (file)
@@ -6,21 +6,24 @@ __doc__ = "Module documentation."
 
 from piston.handler import BaseHandler, AnonymousBaseHandler
 
-
-import librarian
-import librarian.html
-import api.forms as forms
+import re
 from datetime import date
 
 from django.core.urlresolvers import reverse
+from django.utils import simplejson as json
 
-from wlrepo import RevisionNotFound, LibraryException, DocumentAlreadyExists
+import librarian
+import librarian.html
 from librarian import dcparser
 
+from wlrepo import RevisionNotFound, LibraryException, DocumentAlreadyExists
+from explorer.models import PullRequest
+
+# internal imports
+import api.forms as forms
 import api.response as response
 from api.utils import validate_form, hglibrary
-
-from explorer.models import PullRequest
+from api.models import PartCache
 
 #
 # Document List Handlers
@@ -46,11 +49,36 @@ class LibraryHandler(BaseHandler):
     def read(self, request, lib):
         """Return the list of documents."""
 
-        document_list = [{
-            'url': reverse('document_view', args=[docid]),
-            'name': docid } for docid in lib.documents() ]
+        documents = {}
+        
+        for docid in lib.documents():
+            documents[docid] = {
+                'url': reverse('document_view', args=[docid]),
+                'name': docid,
+                'parts': []
+            }
 
-        return {'documents' : document_list }        
+        related = PartCache.objects.defer('part_id')\
+            .values_list('part_id', 'document_id').distinct()
+
+        for part, docid in related:
+            # this way, we won't display broken links
+            if not documents.has_key(part):
+                continue
+
+            child = documents[part]
+            parent = documents[docid]
+            
+            if isinstance(parent, dict): # the parent is top-level
+                documents.pop(part)                
+                parent['parts'].append(child)
+                documents[part] = child['parts']
+            else: # not top-level
+                parent.append(child)
+            
+        return {
+            'documents': [d for d in documents.itervalues() if isinstance(d, dict)]
+        }
 
     @validate_form(forms.DocumentUploadForm, 'POST')
     @hglibrary
@@ -70,6 +98,7 @@ class LibraryHandler(BaseHandler):
         try:
             lock = lib.lock()            
             try:
+                print "DOCID", docid                
                 doc = lib.document_create(docid)
                 # document created, but no content yet
 
@@ -143,9 +172,9 @@ class DocumentHandler(BaseHandler):
 
         result = {
             'name': udoc.id,
-            'html_url': reverse('dochtml_view', args=[doc.id,doc.revision]),
-            'text_url': reverse('doctext_view', args=[doc.id,doc.revision]),
-            'dc_url': reverse('docdc_view', args=[doc.id,doc.revision]),
+            'html_url': reverse('dochtml_view', args=[udoc.id,udoc.revision]),
+            'text_url': reverse('doctext_view', args=[udoc.id,udoc.revision]),
+            'dc_url': reverse('docdc_view', args=[udoc.id,udoc.revision]),
             'user_revision': udoc.revision,
             'public_revision': doc.revision,            
         }       
@@ -159,7 +188,6 @@ class DocumentHandler(BaseHandler):
 #
 #
 #
-
 class DocumentHTMLHandler(BaseHandler):
     allowed_methods = ('GET', 'PUT')
 
@@ -172,13 +200,20 @@ class DocumentHTMLHandler(BaseHandler):
             else:
                 document = lib.document_for_rev(revision)
 
-            return librarian.html.transform(document.data('xml'))
+            return librarian.html.transform(document.data('xml'), is_file=False)
         except RevisionNotFound:
             return response.EntityNotFound().django_response()
 
+
+
+
 #
 # Document Text View
 #
+
+XINCLUDE_REGEXP = r"""<(?:\w+:)?include\s+[^>]*?href=("|')wlrepo://(?P<link>[^\1]+?)\1\s*[^>]*?>"""
+#
+#
 class DocumentTextHandler(BaseHandler):
     allowed_methods = ('GET', 'PUT')
 
@@ -215,18 +250,49 @@ class DocumentTextHandler(BaseHandler):
                         "provided_revision": orig.revision,
                         "latest_revision": current.revision })
 
-            ndoc = doc.quickwrite('xml', data, msg)
+            # try to find any Xinclude tags
+            includes = [m.groupdict()['link'] for m in (re.finditer(\
+                XINCLUDE_REGEXP, data, flags=re.UNICODE) or []) ]
 
-            # return the new revision number
-            return {
-                "document": ndoc.id,
-                "subview": "xml",
-                "previous_revision": prev,
-                "updated_revision": ndoc.revision
-            }
-        
-        except (RevisionNotFound, KeyError):
-            return response.EntityNotFound().django_response()
+            # TODO: provide useful routines to make this simpler
+            def xml_update_action(lib, resolve):
+                try:
+                    f = lib._fileopen(resolve('parts'), 'r')
+                    stored_includes = json.loads(f.read())
+                    f.close()
+                except:
+                    stored_includes = []
+                
+                if stored_includes != includes:
+                    f = lib._fileopen(resolve('parts'), 'w+')
+                    f.write(json.dumps(includes))
+                    f.close()
+
+                    # update the parts cache
+                    PartCache.update_cache(docid, current.owner,\
+                        stored_includes, includes)
+
+                # now that the parts are ok, write xml
+                f = lib._fileopen(resolve('xml'), 'w+')
+                f.write(data)
+                f.close()
+                
+            ndoc = current.invoke_and_commit(\
+                xml_update_action, lambda d: (msg, current.owner) )
+
+            try:
+                # return the new revision number
+                return {
+                    "document": ndoc.id,
+                    "subview": "xml",
+                    "previous_revision": current.revision,
+                    "updated_revision": ndoc.revision
+                }
+            except Exception, e:
+                lib._rollback()
+                raise e        
+        except RevisionNotFound, e:
+            return response.EntityNotFound().django_response(e)
 
 #
 # Dublin Core handlers
@@ -241,9 +307,9 @@ class DocumentDublinCoreHandler(BaseHandler):
         """Read document as raw text"""        
         try:
             if revision == 'latest':
-                document = lib.document(docid)
+                doc = lib.document(docid)
             else:
-                document = lib.document_for_rev(revision)
+                doc = lib.document_for_rev(revision)
             
             bookinfo = dcparser.BookInfo.from_string(doc.data('xml'))
             return bookinfo.serialize()
@@ -276,20 +342,26 @@ class DocumentDublinCoreHandler(BaseHandler):
                 document.serialize().encode('utf-8'),\
                 message=msg, user=request.user.username)
 
-            return {
-                "document": ndoc.id,
-                "subview": "xml",
-                "previous_revision": prev,
-                "updated_revision": ndoc.revision
-            }
-        except (RevisionNotFound, KeyError):
+            try:
+                # return the new revision number
+                return {
+                    "document": ndoc.id,
+                    "subview": "dc",
+                    "previous_revision": current.revision,
+                    "updated_revision": ndoc.revision
+                }
+            except Exception, e:
+                lib._rollback()
+                raise e
+        except RevisionNotFound:
             return response.EntityNotFound().django_response()
 
 
+
 class MergeHandler(BaseHandler):
     allowed_methods = ('POST',)
 
-    @validate_form(forms.MergeRequestForm)
+    @validate_form(forms.MergeRequestForm, 'POST')
     @hglibrary
     def create(self, request, form, docid, lib):
         """Create a new document revision from the information provided by user"""
@@ -302,7 +374,7 @@ class MergeHandler(BaseHandler):
         if target_rev == 'latest':
             target_rev = udoc.revision
 
-        if udoc.revision != target_rev:
+        if str(udoc.revision) != target_rev:
             # user think doesn't know he has an old version
             # of his own branch.
             
@@ -324,29 +396,31 @@ class MergeHandler(BaseHandler):
             # update his internal state.
             return response.EntityConflict().django_response({
                     "reason": "out-of-date",
-                    "provided": target_revision,
+                    "provided": target_rev,
                     "latest": udoc.revision })
 
-        if not request.user.has_permission('explorer.pull_request.can_add'):
+        if not request.user.has_perm('explorer.book.can_share'):
             # User is not permitted to make a merge, right away
             # So we instead create a pull request in the database
             prq = PullRequest(
-                commiter=request.uset.username,
+                comitter=request.user,
                 document=docid,
-                source_revision = udoc.revision,
+                source_revision = str(udoc.revision),
                 status="N",
-                comment = form.cleaned_data['comment']
+                comment = form.cleaned_data['comment'] or '$AUTO$ Document shared.'
             )
 
             prq.save()
-            return response.RequestAccepted()
+            return response.RequestAccepted().django_response(\
+                ticket_status=prq.status, \
+                ticket_uri=reverse("pullrequest_view", args=[prq.id]) )
 
-        if form.cleanded_data['type'] == 'update':
+        if form.cleaned_data['type'] == 'update':
             # update is always performed from the file branch
             # to the user branch
             success, changed = udoc.update(request.user.username)
 
-        if form.cleanded_data['type'] == 'share':
+        if form.cleaned_data['type'] == 'share':
             success, changed = udoc.share(form.cleaned_data['comment'])
 
         if not success: