add tournament group delete option

Author: Mewel

grails-app/controllers/skatdb/TournamentController.groovy

@@ -48,7 +48,7 @@ class TournamentController {
 	def finishTournament() {
 		setStatus(2)
 	}
-	
+
 	def newRound() {
 		Tournament tournament = Tournament.findById(params.id)
 		if(tournament == null) {
@@ -86,6 +86,30 @@ class TournamentController {
 		redirect(action: "show", id: params.id)
 	}
 
+	def deleteRound() {
+		TournamentRound round = TournamentRound.findById(params.id)
+		if(round == null) {
+			return response.sendError(404, "TournamentRound with id " + params.id + " not found.")
+		}
+		deleteTournamentRound(round)
+		redirect(action: "show", id: round.tournament.id)
+	}
+
+	/**
+	 * Deletes a whole round including all groups and all games played.
+	 * 
+	 * @param round to delete
+	 */
+	private void deleteTournamentRound(TournamentRound round) {
+		for(TournamentGroup group : round.groups) {
+			for(Game game : group.games) {
+				game.delete()
+			}
+			group.delete()
+		}
+		round.delete()
+	}
+	
 	/**
 	 * Create groups and add them to the round.
 	 * 

grails-app/views/tournament/show.gsp

@@ -76,7 +76,14 @@
 					<g:each in="${tournamentInstance.rounds}" var="round" status="r">
 					    <div class="panel panel-default">
                           <div class="panel-heading">
-                            <h3 class="panel-title"><b>Runde ${r + 1}</b></h3>
+                            <h3 class="panel-title">
+                            	<b>Runde ${r + 1}</b>
+                            	<span class="pull-right">
+                            		<a href="javascript:void(0)" onclick="confirm('Gruppe wirklich löschen?') ? document.location.href = '${createLink(controller: 'tournament', action: 'deleteRound', id: round?.id) }' : null">
+                            			<span aria-hidden="true" class="glyphicon glyphicon-remove" style="color: gray"></span>
+                            		</a>
+                            	</span>
+                            </h3>
                           </div>
                           <div class="panel-body">
                             <g:each in="${round.groups}" var="group" status="g">

test/unit/skatdb/TournamentTests.groovy

@@ -0,0 +1,17 @@
+package skatdb
+
+
+
+import grails.test.mixin.*
+import org.junit.*
+
+/**
+ * See the API for {@link grails.test.mixin.domain.DomainClassUnitTestMixin} for usage instructions
+ */
+@TestFor(Tournament)
+class TournamentTests {
+
+    void testSomething() {
+       fail "Implement me"
+    }
+}