From 7247fb1c2e8ff8e999f5727476cc0445b7a53383 Mon Sep 17 00:00:00 2001
From: Thomas Berezansky <tsbere@mvlc.org>
Date: Tue, 6 Sep 2011 12:46:04 -0400
Subject: [PATCH] Last Circulation timestamp for reports

Specifically intended for Weeding reports.

Easily swapped out (if needed) to include legacy circ data,
when available from a migration.

Signed-off-by: Thomas Berezansky <tsbere@mvlc.org>
---
 Open-ILS/examples/fm_IDL.xml | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/Open-ILS/examples/fm_IDL.xml b/Open-ILS/examples/fm_IDL.xml
index 4f11bbafd1..e8b78512c6 100644
--- a/Open-ILS/examples/fm_IDL.xml
+++ b/Open-ILS/examples/fm_IDL.xml
@@ -5119,6 +5119,7 @@ SELECT  usr,
 			<field reporter:label="Stat-Cat entry maps" name="stat_cat_entry_copy_maps" oils_persist:virtual="true" reporter:datatype="link"/>
 			<field reporter:label="Circulations" name="circulations" oils_persist:virtual="true" reporter:datatype="link"/>
 			<field reporter:label="Total Circulations" name="total_circ_count" oils_persist:virtual="true" reporter:datatype="link"/>
+			<field reporter:label="Last Circulation Date" name="last_circ" oils_persist:virtual="true" reporter:datatype="link"/>
 			<field reporter:label="Holds" name="holds" oils_persist:virtual="true" reporter:datatype="link"/>
 			<field reporter:label="Statistical Category Entries" name="stat_cat_entries" oils_persist:virtual="true" reporter:datatype="link"/>
 			<field reporter:label="Monograph Parts" name="parts" oils_persist:virtual="true" reporter:datatype="link"/>
@@ -5139,6 +5140,7 @@ SELECT  usr,
 			<link field="stat_cat_entries" reltype="has_many" key="owning_copy" map="stat_cat_entry" class="ascecm"/>
 			<link field="circulations" reltype="has_many" key="target_copy" map="" class="circ"/>
 			<link field="total_circ_count" reltype="might_have" key="id" map="" class="erfcc"/>
+			<link field="last_circ" reltype="might_have" key="id" map="" class="rlc"/>
 			<link field="circ_modifier" reltype="has_a" key="code" map="" class="ccm"/>
 			<link field="parts" reltype="has_many" key="target_copy" map="part" class="acpm"/>
 			<link field="peer_record_maps" reltype="has_many" key="target_copy" map="" class="bpbcm"/>
@@ -8625,6 +8627,38 @@ SELECT  usr,
 		</permacrud>
 	</class>
 
+	<class id="rlc" controller="open-ils.cstore open-ils.pcrud open-ils.reporter-store" oils_obj:fieldmapper="reporter::last_circ_date" oils_persist:readonly="true" reporter:label="Last Circulation Date">
+		<oils_persist:source_definition>
+            SELECT
+                ac.id,
+                coalesce(max(actac.xact_start), ac.create_date) as last_circ_or_create
+            FROM asset.copy ac
+                 LEFT JOIN action.all_circulation actac ON ac.id = actac.target_copy
+            GROUP BY ac.id, ac.create_date
+
+            -- Alternate version, say if you have migrated last checkout information in extend_reporter.legacy_circ_timestamp:
+            --SELECT
+            --    ac.id,
+            --    greatest(max(actac.xact_start), erlct.last_cko_ts, ac.create_date) as last_circ
+            --FROM asset.copy ac
+            --     LEFT JOIN action.all_circulation actac ON ac.id = actac.target_copy
+            --     LEFT JOIN extend_reporter.legacy_circ_timestamp erlct ON ac.id = erlct.id
+            --GROUP BY ac.id, ac.create_date, erlct.last_cko_ts
+		</oils_persist:source_definition>
+		<fields oils_persist:primary="id" oils_persist:sequence="biblio.record_entry">
+			<field reporter:label="Copy ID" name="id" reporter:datatype="link"/>
+			<field reporter:label="Last Circulation or Creation Date" name="last_circ_or_create" reporter:datatype="timestamp"/>
+		</fields>
+		<links>
+			<link field="id" reltype="has_a" key="id" map="" class="acp"/>
+		</links>
+		<permacrud xmlns="http://open-ils.org/spec/opensrf/IDL/permacrud/v1">
+			<actions>
+				<retrieve/>
+			</actions>
+		</permacrud>
+	</class>
+
 	<!-- ********************************************************************************************************************* -->
 	<!-- What follows is a set of example extensions that are useful for PINES.  Comment out or remove if you don't want them. -->
 	<!-- ********************************************************************************************************************* -->
-- 
2.11.0