Adds commit messages in build as a field in the slack post. Has the potential to be too messy / big perhaps

Author: jasonconnery

README.markdown

@@ -14,7 +14,7 @@ this will generate a zip file with the right meta data in the right folder struc
 
 # Install Plugin
 
-Copy the zip file into TeamCity plugin directory inside the data directory, usually `.BuildServer`
+In the latest version of teamcity, the plugin zip can be uploaded via the admin page. In older versions, deploy manually by copying the zip file into TeamCity plugin directory inside the data directory, usually `.BuildServer`
 
 ```
 scp build/distributions/TCSlackNotifierPlugin-<version>.zip buildserver:.BuildServer/plugins/

build.gradle

@@ -11,7 +11,7 @@ apply plugin: 'java'
 
 
 sourceCompatibility = 1.8
-version = '3.0.0'
+version = '4.0.2'
 
 configurations {
     deploy

src/main/java/com/tapadoo/slacknotifier/SlackServerAdapter.java

@@ -9,6 +9,7 @@
 import jetbrains.buildServer.serverSide.settings.ProjectSettingsManager;
 import jetbrains.buildServer.users.SUser;
 import jetbrains.buildServer.users.UserSet;
+import jetbrains.buildServer.vcs.SVcsModification;
 import jetbrains.buildServer.vcs.SelectPrevBuildPolicy;
 import jetbrains.buildServer.vcs.VcsRoot;
 import org.joda.time.Duration;
@@ -22,6 +23,7 @@
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.util.Collection;
+import java.util.List;
 
 
 /**
@@ -181,6 +183,24 @@ else if( projectSettings != null && projectSettings.getChannel() != null && proj
             UserSet<SUser> committers = build.getCommitters(SelectPrevBuildPolicy.SINCE_LAST_BUILD);
             StringBuilder committersString = new StringBuilder();
 
+            List<SVcsModification>  changes =  build.getChanges(SelectPrevBuildPolicy.SINCE_LAST_SUCCESSFULLY_FINISHED_BUILD, true);
+
+            StringBuilder commitMessage = new StringBuilder();
+
+            /*
+             * If this field starts to feel too long in slack, we should only use the first item in the array, which would be the latest change
+             *
+             */
+            for ( int i = 0 ; i < changes.size() ; i++ ){
+                SVcsModification modification = changes.get(i);
+                String desc = modification.getDescription();
+                commitMessage.append(desc);
+
+                if( i < changes.size() - 1 ) {
+                    commitMessage.append("\n------\n");
+                }
+            }
+
             for( SUser committer : committers.getUsers() )
             {
                 if( committer != null)
@@ -204,7 +224,7 @@ else if( projectSettings != null && projectSettings.getChannel() != null && proj
                 committersString.deleteCharAt(committersString.length()-1); //remove the last ,
             }
 
-            String commitMsg = committersString.toString();
+            String committersMsg = committersString.toString();
 
 
             JsonObject payloadObj = new JsonObject();
@@ -230,18 +250,18 @@ else if( projectSettings != null && projectSettings.getChannel() != null && proj
 
             StringBuilder fallbackMessage = new StringBuilder();
 
-            if( commitMsg.length() > 0 )
+            if( committersMsg.length() > 0 )
             {
                 JsonObject field = new JsonObject() ;
 
                 field.addProperty("title","Changes By");
-                field.addProperty("value",commitMsg);
+                field.addProperty("value",committersMsg);
                 field.addProperty("short", true);
 
                 fields.add(field);
 
                 fallbackMessage.append("Changes by ");
-                fallbackMessage.append(commitMsg);
+                fallbackMessage.append(committersMsg);
                 fallbackMessage.append(" ");
 
             }
@@ -294,6 +314,17 @@ else if( projectSettings != null && projectSettings.getChannel() != null && proj
                 fallbackMessage.append(issueIds.toString());
             }
 
+            /* TODO: Consider adding a setting to SlackProjectSettings perhaps to enable / disable commit messages at a project level? */
+            if( commitMessage.length() > 0 ) {
+                JsonObject field = new JsonObject() ;
+
+                field.addProperty("title", "Commit Messages");
+                field.addProperty("value",commitMessage.toString());
+                field.addProperty("short", false);
+
+                fields.add(field);
+            }
+
             attachment.addProperty("color", (goodColor ? "good" : "danger"));
 
 

teamcity-plugin.xml

@@ -4,7 +4,7 @@
     <info>
         <name>slackNotifier</name> <!-- the name of plugin used in teamcity -->
         <display-name>Slack Notifier</display-name>
-        <version>3.0.0</version>
+        <version>4.0.2</version>
         <description>Post build success notifications to Slack</description>
         <vendor>
             <name>Tapadoo</name>