Option to generate community and collection "strength" as a batch job

git-svn-id: http://scm.dspace.org/svn/repo/branches/dspace-1_5_x@2328 9c30dcfa-912a-0410-8fc2-9e0234be79fd

dspace/CHANGES

@@ -1,4 +1,4 @@
-(Graham Triggs/Mark Diggory
+(Graham Triggs/Mark Diggory)
 - S.F. Bug 1824710 Creative Commons RDF has changed. Adjusted CC processing to be XSL driven 
   and adjusted generated XML/RDF. Created LicenseCleanup CLI to process existing CC license_rdf
   
@@ -11,6 +11,7 @@ SF Patch 1794700  Bug fix for stat-monthly and stat-report-monthly
 
 (Richard Jones)
 - S.F. Patch 1670093 More stable metadata and schema registry import 
+- Option to generate community and collection "strength" as a batch job
 
 (Richard Jones / Graham Triggs)
 - New Browse code that allows customisation of the available indexes via dspace.cfg,

dspace/config/dspace.cfg

@@ -313,9 +313,26 @@ webui.preview.brand.font = SansSerif
 webui.preview.brand.fontpoint = 12
 #webui.preview.dc = rights
 
+##### Settings for content count/strength information ####
+
 # whether to display collection and community strengths
+#
 webui.strengths.show = false
 
+# if showing the strengths, should they be counted in real time or
+# fetched from cache?
+# 
+# Counts fetched in real time will perform an actual count of the
+# database contents every time a page with this feature is requested,
+# which will not scale.  If the below setting is to use the cache, you
+# must run the following command periodically to update the count:
+#
+# [dspace]/bin/dsrun org.dspace.browse.ItemCounter
+#
+# The default is to count in real time
+#
+webui.strengths.cache = false
+
 # whether to display the contents of the licence bundle (often just the deposit
 # licence in standard DSpace installation
 webui.licence_bundle.show = false

dspace/etc/database_schema.sql

@@ -736,6 +736,19 @@ FROM ItemsBySubject, Communities2Item
 WHERE ItemsBySubject.item_id = Communities2Item.item_id
 ;
 
+-------------------------------------------------------------------------
+-- Tables to manage cache of item counts for communities and collections
+-------------------------------------------------------------------------
+
+CREATE TABLE collection_item_count (
+	collection_id INTEGER REFERENCES collection(collection_id),
+	number INTEGER
+);
+
+CREATE TABLE community_item_count (
+	community_id INTEGER REFERENCES community(community_id),
+	number INTEGER
+);
 
 -------------------------------------------------------
 --  Create 'special' groups, for anonymous access

dspace/etc/database_schema_14-15.sql

@@ -61,3 +61,17 @@ alter table bundle drop column mets_bitstream_id; -- totally unused column
 -- of the last page reached within a step in the Configurable Submission Process
 -------------------------------------------------------------------------------
 ALTER TABLE workspaceitem ADD page_reached INTEGER;
+
+-------------------------------------------------------------------------
+-- Tables to manage cache of item counts for communities and collections
+-------------------------------------------------------------------------
+
+CREATE TABLE collection_item_count (
+	collection_id INTEGER REFERENCES collection(collection_id),
+	number INTEGER
+);
+
+CREATE TABLE community_item_count (
+	community_id INTEGER REFERENCES community(community_id),
+	number INTEGER
+);