new database format, rudimentary search function

git-svn-id: http://yolanda.mister-muffin.de/svn@414 7eef14d0-6ed0-489d-bf55-20463b2d70db

trunk/yolanda/controllers/account.py

@@ -7,6 +7,10 @@ log = logging.getLogger(__name__)
 class AccountController(BaseController):
 
     def index(self):
+        c.message = {
+                    'type': 'warning',
+                    'text': 'Your username will be saved indefinitely.'
+                    }
         return render('/xhtml/account.mako')
 
     def __before__(self):
@@ -17,16 +21,16 @@ class AccountController(BaseController):
         #FIXME: do not operate in stateless mode - replace store with local
         # openid store (app global) to make login faster with less overhead
         self.consumer = Consumer(self.openid_session, None)
-        openid = request.params.get('username', None)
+        openid = request.params.get('openid_identifier', None)
         try:
             authrequest = self.consumer.begin(openid)
         except DiscoveryFailure, e:
             # invalid openid
             c.message = {
                         'type': 'error',
-                        'text': 'You were not logged on due to entering an invalid OpenID.'
+                        'text': 'You were not logged on due to the given OpenID being invalid.'
                         }
-            return render('/xhtml/index.mako')
+            return render('/xhtml/account.mako')
 
         redirecturl = authrequest.redirectURL(
             h.url_for('',qualified=True),

trunk/yolanda/controllers/search.py

@@ -27,13 +27,18 @@ class SearchController(BaseController):
 
         c.query = request.params['query']
 
-        raw_results = model.Video.query.filter_by(dc_title=c.query).all()
+        # extremely simple search
+        raw_results = []
+        raw_results.extend(model.Video.query.filter_by(dc_title=c.query).all())
+        raw_results.extend(model.Video.query.filter(model.Video.dc_creator.has(name=c.query)).all())
+        raw_results.extend(model.Video.query.filter(model.Video.dc_contributor.any(name=c.query)).all())
 
         if not raw_results:
             c.message = {
-                'type': 'warning'
+                'type': 'warning',
+                'text': 'No results for query "%s".' % c.query
             }
-            c.message['text']='No results for query "%s".' % c.query
+#            c.message['text']='No results for query "%s".' % c.query
             return render('/xhtml/results.mako')
 
         c.results = []

trunk/yolanda/controllers/upload.py

@@ -58,17 +58,18 @@ class UploadController(BaseController):
         # TODO: set up safeguards against omitted / wrong data
 
         # set up database entry
+
         video = model.Video(
 
             # Dublin Core terms
-            dc_title = request.params['title'],
+            dc_title = request.params['dc_title'],
-            dc_creator = request.params['creator'],
+            dc_subject = [model.DC_Subject(name=subject.lstrip()) for subject in  request.params['dc_subject'].split(',')],
-            dc_subject = request.params['subject'],
+            dc_creator = model.DC_Creator(name = request.params['dc_creator']),
 
-            dc_abstract = request.params['abstract'],
+            dc_abstract = request.params['dc_abstract'],
 
             # TODO: enable several contributors
-            dc_contributor = '',
+            dc_contributor = [model.DC_Contributor(name=contributor.lstrip()) for contributor in  request.params['dc_contributor'].split(',')],
 
             # TODO: insert real data
             dc_created = datetime(9999,9,9).strftime("%Y-%m-%d %H:%M:%S"),
@@ -82,23 +83,24 @@ class UploadController(BaseController):
 
             dc_identifier = '',
             dc_source = '',
-            dc_language = request.params['language'],
+            dc_language = request.params['dc_language'],
 
             # TODO: insert videolength
             dc_extent = timedelta(0),
 
-            dc_spatial = request.params['spatial'],
+            dc_spatial = request.params['dc_spatial'],
             dc_temporal = datetime(9999,9,9).strftime("%Y-%m-%d %H:%M:%S"),
 
             dc_rightsHolder = '',
 
             # Creative Commons properties
-            cc_commercial = (request.params['commercial'] == 'commercial'),
+            cc_commercial = (request.params['commercial'] == 'cc_commercial'),
-            cc_sharealike = (request.params['modification'] == 'sharealike'),
+            cc_sharealike = (request.params['modification'] == 'cc_sharealike'),
-            cc_derivatives = (request.params['modification'] != 'noderivatives'),
+            cc_derivatives = (request.params['modification'] != 'cc_noderivatives'),
 
             sha256=sha256
             )
+
         model.session.commit()
 
         # copy file to temporary destination

trunk/yolanda/model/entities.py

@@ -3,16 +3,14 @@ from elixir import *
 class Video(Entity):
     using_options(tablename='videos')
 
-    # Important: Keep this in sync with upload.py !
-
     # Dublin Core terms
     dc_title = Field(Unicode(255))
-    dc_creator = Field(Unicode(255))
+    dc_creator = ManyToOne('DC_Creator')
-    dc_subject = Field(UnicodeText)
+    dc_subject = ManyToMany('DC_Subject')
 
     dc_abstract = Field(UnicodeText)
 
-    dc_contributor = Field(Unicode(255))
+    dc_contributor = ManyToMany('DC_Contributor')
 
     dc_created = Field(DateTime)
     dc_valid = Field(DateTime)
@@ -41,3 +39,19 @@ class Video(Entity):
 
     # everything else
     sha256 = Field(String(64))
+
+# Dublin Core terms
+
+class DC_Creator(Entity):
+    name = Field(Unicode(255))
+    videos = OneToMany('Video')
+
+class DC_Subject(Entity):
+    name = Field(Unicode(32))
+    videos = ManyToMany('Video')
+
+class DC_Contributor(Entity):
+    name = Field(Unicode(255))
+    videos = ManyToMany('Video')
+
+