#1254 GitlabRepo enable issues placeholder.

self-core-impl/src/main/java/com/selfxdsd/core/EmptyIssues.java

@@ -0,0 +1,66 @@
+/**
+ * Copyright (c) 2020-2021, Self XDSD Contributors
+ * All rights reserved.
+ * <p>
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"),
+ * to read the Software only. Permission is hereby NOT GRANTED to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software.
+ * <p>
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.selfxdsd.core;
+
+import com.selfxdsd.api.Issue;
+import com.selfxdsd.api.Issues;
+
+import javax.json.JsonObject;
+import java.util.Collections;
+import java.util.Iterator;
+
+/**
+ * Empty issues representation.
+ * @author criske
+ * @version $Id$
+ * @since 0.0.95
+ */
+final class EmptyIssues implements Issues {
+
+    @Override
+    public Issue getById(final String issueId) {
+        return null;
+    }
+
+    @Override
+    public Issue received(final JsonObject issue) {
+        return null;
+    }
+
+    @Override
+    public Issue open(final String title,
+                      final String body,
+                      final String... labels) {
+        return null;
+    }
+
+    @Override
+    public Issues search(final String text, final String... labels) {
+        return null;
+    }
+
+    @Override
+    public Iterator<Issue> iterator() {
+        return Collections.emptyIterator();
+    }
+}

self-core-impl/src/main/java/com/selfxdsd/core/GitlabRepo.java

@@ -25,6 +25,8 @@
 import com.selfxdsd.api.*;
 import com.selfxdsd.api.Labels;
 import com.selfxdsd.api.storage.Storage;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import javax.json.JsonObject;
 import java.net.URI;
@@ -34,12 +36,16 @@
  * @author criske
  * @version $Id$
  * @since 0.0.1
- * @todo #1246:60min Implement enabling of Issues for a GitLab repository.
- *  If GitLab doesn't support this functionality, the method should not do
- *  anything.
  */
 final class GitlabRepo extends BaseRepo {
 
+    /**
+     * Logger.
+     */
+    private static final Logger LOG = LoggerFactory.getLogger(
+        GitlabRepo.class
+    );
+
     /**
      * Constructor.
      * @param resources Gitlab's JSON Resources.
@@ -151,7 +157,8 @@ public String fullName() {
 
     @Override
     public Issues enableIssues() {
-        throw new UnsupportedOperationException("Not yet implemented.");
+        LOG.warn("Gitlab doesn't support enabling issues...");
+        return new EmptyIssues();
     }
 
     @Override

self-core-impl/src/test/java/com/selfxdsd/core/GitlabRepoTestCase.java

@@ -238,4 +238,21 @@ public void returnsCommits() {
             )
         );
     }
+
+    /**
+     * Gitlab doesn't support enabling issues.
+     */
+    @Test
+    public void doesNotSupportEnableIssues(){
+        final Repo repo = new GitlabRepo(
+            Mockito.mock(JsonResources.class),
+            URI.create("https://gitlab.com/api/v4/projects/1"),
+            Mockito.mock(User.class),
+            Mockito.mock(Storage.class)
+        );
+        MatcherAssert.assertThat(
+            repo.enableIssues(),
+            Matchers.instanceOf(EmptyIssues.class)
+        );
+    }
 }