# HG changeset patch
# User Laure Bourgois <Laure.Bourgois@logilab.fr>
# Date 1234176932 -3600
# Node ID 4bbeb62ba9556c8cb1ff2d47e00dd2f630b9c79a
# Parent  005f78d21fc7e251d77ae0ffb44b903182bc3538
add a linked data view for project. this linked data view will be extended to pertinent entities in the future. We remark that we use doap format if it exists (doap:created, doap:description ...), we use our own vocabulary (available in tbox view) if doap does not supports it.

diff -r 005f78d21fc7 -r 4bbeb62ba955 web/views/linkedData.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/views/linkedData.py	Mon Feb 09 11:55:32 2009 +0100
@@ -0,0 +1,78 @@
+from logilab.mtconverter import html_escape
+
+from cubicweb.common.view import EntityView
+
+from urlparse import urlparse
+
+class LinkedDataProjectView(EntityView):
+    id = 'project_linked_data'
+    title = _('Project linked data')
+    accepts = ('Project',)
+    templatable = False
+    content_type = 'text/xml'
+
+    def call(self):
+        '''display all project attribut and project dependencies and external project (in doap format) if
+        it is related to'''
+
+        self.w(u'<?xml version="1.0" encoding="%s"?>\n' % self.req.encoding)
+        self.w(u'''<rdf:RDF
+            xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+            xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
+            xmlns:owl="http://www.w3.org/2002/07/owl#"
+            xmlns:doap="http://usefulinc.com/ns/doap#"
+            >\n''')
+        for i in xrange(self.rset.rowcount):
+            self.cell_call(row=i, col=0)
+        self.w(u'</rdf:RDF>\n')
+            
+    def cell_call(self, row, col):
+        self.wview('project_linked_data_item', self.rset, row=row, col=col)
+    
+class LinkedDataProjectItemView(EntityView):
+    id = 'project_linked_data_item'
+    accepts = ('Project',)
+
+    def cell_call(self, row, col):
+        entity = self.complete_entity(row, col)
+        self.w(u'<Project rdf:about="%s">\n' % html_escape(entity.absolute_url()))
+        self.w(u'  <name>%s</name>\n' % html_escape(unicode(entity.dc_title())))
+        self.w(u'  <doap:created>%s</doap:created>\n' % (entity.creation_date.strftime('%Y-%m-%d')))
+        self.w(u'  <summary>%s</summary>\n' % html_escape(unicode(entity.summary)))
+        self.w(u'  <doap:description>%s</doap:description>\n' % html_escape(unicode(entity.description)))           
+        self.w(u'  <url>%s</url>\n' % html_escape(entity.url or entity.absolute_url()))
+        if entity.modification_date:
+            self.w(u'<doap:revision>%s</doap:revision>\n'% (entity.modification_date.strftime('%Y-%m-%d')))
+        if entity.vcsurl:
+            self.w(u'''<vcurl>
+                          <doap:browse rdf:resource="%s" />
+                       </vcurl>''' % html_escape(entity.vcsurl))
+        if entity.reporturl:
+            self.w(u'<reporturl>"%s"</vcurl>' % html_escape(entity.vcsurl))             
+        
+        if entity.downloadurl:
+            self.w(u'  <doap:file-release>%s</doap:file-release>\n' % html_escape(entity.downloadurl))
+        liste = urlparse(entity.absolute_url())
+        internal_address = liste[1]
+        for externalproject in entity.uses:
+            self.w(u'<uses>\n')
+            if externalproject.e_schema == 'ExtProject':
+                if externalproject.absolute_url().find(internal_address) > 0:
+                    self.w(u'<!--wrong external url-->')
+                self.w(u' <ExtProject>%s</ExtProject>'% externalproject.absolute_url())
+            else:
+                self.w(u'<Project>%s</Project>'% externalproject.absolute_url())
+            self.w(u'</uses>\n')
+        for externalproject in entity.recommends:
+            self.w(u'<recommends>\n')
+            if externalproject.e_schema == 'ExtProject':
+                if externalproject.absolute_url().find(internal_address) > 0:
+                    self.w(u'<!--wrong external url-->')
+                self.w(u'<ExtProject>%s</ExtProject>'% externalproject.absolute_url())
+            else:
+                self.w(u'<Project>%s</Project>'% externalproject.absolute_url())                
+            self.w(u'%s</recommends>'% externalproject.absolute_url())       
+
+        self.w(u'</Project>\n')
+
+