From: Benoît Pin <benoit.pin@gmail.com>
Date: Mon, 23 Jun 2014 21:18:41 +0000 (+0200)
Subject: Versement catalogue solr dans Plinn core
X-Git-Url: https://scm.cri.mines-paristech.fr/git/Plinn.git/commitdiff_plain/ac347cee296ffa604d899122742f9a5cdfd3b9dc?ds=sidebyside;hp=678254619afd5b8b87b869c9673d4e3dabbf3cb7

Versement catalogue solr dans Plinn core
---

diff --git a/__init__.py b/__init__.py
index 2fc975a..16c9e72 100755
--- a/__init__.py
+++ b/__init__.py
@@ -38,6 +38,7 @@ import GroupDataTool
 import RegistrationTool
 import CalendarTool
 import AttachmentTool
+import catalog
 
 from PloneMisc import IndexIterator, Batch
 import patch
@@ -56,6 +57,7 @@ tools = ( MembershipTool.MembershipTool
 		, RegistrationTool.RegistrationTool
 		, CalendarTool.CalendarTool
 		, AttachmentTool.AttachmentTool
+		, catalog.CatalogTool
 		)
 
 # register files extensions
diff --git a/catalog.py b/catalog.py
new file mode 100644
index 0000000..fbe323f
--- /dev/null
+++ b/catalog.py
@@ -0,0 +1,105 @@
+# -*- coding: utf-8 -*-
+from App.class_init import InitializeClass
+from AccessControl import ClassSecurityInfo
+from Products.CMFCore.interfaces import IIndexableObject
+from Products.CMFCore.CatalogTool import CatalogTool as BaseCatalogTool
+from Products.CMFCore.CatalogTool import IndexableObjectWrapper
+from Products.PageTemplates.PageTemplateFile import PageTemplateFile
+from Products.CMFCore.permissions import ModifyPortalContent
+from zope.component import queryMultiAdapter
+from Products.ZCatalog.Catalog import Catalog
+import transaction
+from solr import *
+
+class SolrTransactionHook :
+    ''' commit solr couplé sur le commit de la ZODB '''
+    def __init__(self, connection) :
+        self.connection = connection
+    
+    def __call__(self, status) :
+        if status :
+            self.connection.commit()
+            self.connection.close()
+        else :
+            self.connection.close()
+
+class CatalogTool(BaseCatalogTool) :
+    meta_type = 'Legivoc Catalog'
+    security = ClassSecurityInfo()
+    manage_options = (BaseCatalogTool.manage_options[:5] +
+                      ({'label' : 'Solr', 'action' : 'manage_solr'},) +
+                      BaseCatalogTool.manage_options[5:])
+    manage_solr = PageTemplateFile('www/manage_solr', globals())
+    
+    
+    def __init__(self, idxs=[]) :
+        super(CatalogTool, self).__init__()
+        self._catalog = DelegatedCatalog()
+        self.solr_url = 'http://localhost:8983/solr'
+        self.delegatedIndexes = ('Title', 'Description', 'SearchableText')
+    
+    security.declarePrivate('solrAdd')
+    def solrAdd(self, object, idxs=[], uid=None) :
+        if IIndexableObject.providedBy(object):
+            w = object
+        else:
+            w = queryMultiAdapter( (object, self), IIndexableObject )
+            if w is None:
+                # BBB
+                w = IndexableObjectWrapper(object, self)
+        
+        uid = uid if uid else self.__url(object)
+        idxs = idxs if idxs !=[] else self.delegatedIndexes
+        data = {'id' : uid}
+        for name in idxs :
+            attr = getattr(w, name, '')
+            data[name] = attr() if callable(attr) else attr
+        c = SolrConnection(self.solr_url)
+        c.add(**data)
+        txn = transaction.get()
+        txn.addAfterCommitHook(SolrTransactionHook(c))
+    
+    
+    # PortalCatalog api overloads
+    security.declareProtected(ModifyPortalContent, 'indexObject')
+    def indexObject(self, object) :
+        """ Add to catalog and send to Solr """
+        super(CatalogTool, self).indexObject(object)
+        self.solrAdd(object)
+
+    security.declarePrivate('reindexObject')
+    def reindexObject(self, object, idxs=[], update_metadata=1, uid=None):
+        super(CatalogTool, self).reindexObject(object,
+                                               idxs=idxs,
+                                               update_metadata=update_metadata,
+                                               uid=uid)
+        if idxs != []:
+            # Filter out invalid indexes.
+            valid_indexes = self._catalog.indexes.keys()
+            idxs = [i for i in idxs if i in valid_indexes and i in self.delegatedIndexes]
+        else :
+            idxs = self.delegatedIndexes
+
+        if idxs :
+            self.solrAdd(object, idxs=idxs, uid=uid)
+    
+    security.declarePrivate('unindexObject')
+    def unindexObject(self, object):
+        """Remove from catalog.
+        """
+        super(CatalogTool, self).unindexObject(object)
+        c = SolrConnection(self.solr_url)
+        url = self.__url(object)
+        c.delete(id=url)
+        txn = transaction.get()
+        txn.addAfterCommitHook(SolrTransactionHook(c))
+        
+InitializeClass(CatalogTool)
+
+
+class DelegatedCatalog(Catalog) :
+    '''C'est ici qu'on délègue effectivement à Solr '''
+    def search(self, query, sort_index=None, reverse=0, limit=None, merge=1):
+        return Catalog.search(self, query,
+                              sort_index=sort_index,
+                              reverse=reverse, limit=limit, merge=merge)
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