From b912c9397f699f5ce9dc056001fe95a4516d3a92 Mon Sep 17 00:00:00 2001
From: milanmajchrak <90026355+milanmajchrak@users.noreply.github.com>
Date: Tue, 23 Apr 2024 09:38:59 +0200
Subject: [PATCH] Added a new log4j appender for logging file downloads into
 `file_download.log` file. (#634)

---
 dspace/config/log4j2.xml | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/dspace/config/log4j2.xml b/dspace/config/log4j2.xml
index 6e9a43e4f0fe..74df3a3989fb 100644
--- a/dspace/config/log4j2.xml
+++ b/dspace/config/log4j2.xml
@@ -64,6 +64,18 @@
             </DefaultRolloverStrategy>
             -->
         </Appender>
+
+        <!-- A3 is for tracking file downloads  -->
+        <Appender name='A3'
+                  filePattern="${log.dir}/file_downloads.log-%d{yyyy-MM-dd}"
+                  type='RollingFile'
+                  fileName='${log.dir}/file_downloads.log'>
+            <Layout type='PatternLayout'
+                    pattern='%m%n'/>
+            <policies>
+                <policy type='TimeBasedTriggeringPolicy'>yyyy-MM-dd</policy>
+            </policies>
+        </Appender>
     </Appenders>
 
     <Loggers>
@@ -82,6 +94,13 @@
             <AppenderRef ref='A2'/>
         </Logger>
 
+        <!-- The file downloads -->
+        <Logger name="org.dspace.app.statistics.clarin.ClarinMatomoBitstreamTracker"
+                level="INFO"
+                additivity="false">
+            <AppenderRef ref="A3"/>
+        </Logger>
+
         <!-- Block services logging except on exceptions -->
         <Logger name='org.dspace.kernel'
                 level='ERROR'/>