enable to list project for gitlab

Author: Yang Guo

platform-util-git/src/main/java/com/flow/platform/util/git/GitClient.java

@@ -17,6 +17,7 @@
 package com.flow.platform.util.git;
 
 import com.flow.platform.util.git.model.GitCommit;
+import com.flow.platform.util.git.model.GitProject;
 import java.io.File;
 import java.nio.file.Path;
 import java.util.List;
@@ -72,6 +73,16 @@ public interface GitClient {
      */
     void pull(String branch, ProgressMonitor monitor) throws GitException;
 
+    /**
+     * Git project list
+     */
+    List<GitProject> projects() throws GitException;
+
+    /**
+     * Set current for branches, tags and commit
+     */
+    void setCurrentProject(GitProject project) throws GitException;
+
     /**
      * Load all branches from git
      */

platform-util-git/src/main/java/com/flow/platform/util/git/GitLabClient.java

@@ -17,6 +17,8 @@
 package com.flow.platform.util.git;
 
 import com.flow.platform.util.git.model.GitCommit;
+import com.flow.platform.util.git.model.GitProject;
+import com.google.common.base.Strings;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
@@ -54,14 +56,7 @@ public GitLabClient(String host, String token, String project) throws GitExcepti
 
         // init gitlab project if project name given
         if (project != null) {
-            try {
-                this.project = this.connect.getProject(project);
-            } catch (IOException e) {
-                if (e instanceof FileNotFoundException) {
-                    throw new GitException("Project not found: " + e.getMessage());
-                }
-                throw new GitException(e.getMessage());
-            }
+            setCurrentProject(project);
         }
     }
 
@@ -90,6 +85,8 @@ public File clone(String branch, Set<String> checkoutFiles, ProgressMonitor moni
 
     @Override
     public String fetch(String branch, String filePath, ProgressMonitor monitor) throws GitException {
+        checkProject();
+
         try {
             GitlabRepositoryFile file = connect.getRepositoryFile(project, filePath, branch);
             String base64Content = file.getContent();
@@ -105,8 +102,39 @@ public void pull(String branch, ProgressMonitor monitor) throws GitException {
         throw new UnsupportedOperationException("Pull not supported for GitLab");
     }
 
+    @Override
+    public List<GitProject> projects() throws GitException {
+        try {
+            List<GitlabProject> projects = connect.getMembershipProjects();
+            List<GitProject> results = new ArrayList<>(projects.size());
+            for (GitlabProject project : projects) {
+                Integer id = project.getId();
+                String name = project.getName();
+                String fullName = project.getNameWithNamespace();
+                results.add(new GitProject(id.toString(), name, fullName));
+            }
+            return results;
+        } catch (IOException e) {
+            throw new GitException(e.getMessage());
+        }
+    }
+
+    /**
+     * Get project id or full name from GitProject and set current project
+     */
+    @Override
+    public void setCurrentProject(GitProject project) throws GitException {
+        String id = project.getId();
+        if (Strings.isNullOrEmpty(id)) {
+            id = project.getFullName();
+        }
+        setCurrentProject(id);
+    }
+
     @Override
     public List<String> branches() throws GitException {
+        checkProject();
+
         try {
             List<GitlabBranch> branches = connect.getBranches(project);
             return toStringBranches(branches);
@@ -117,6 +145,8 @@ public List<String> branches() throws GitException {
 
     @Override
     public List<String> tags() throws GitException {
+        checkProject();
+
         try {
             List<GitlabTag> tags = connect.getTags(project);
             return toStringTags(tags);
@@ -127,6 +157,8 @@ public List<String> tags() throws GitException {
 
     @Override
     public GitCommit commit(String refName) throws GitException {
+        checkProject();
+
         try {
             List<GitlabCommit> lastCommits = connect.getLastCommits(project.getId(), refName);
             GitlabCommit gitlabCommit = lastCommits.get(0);
@@ -141,6 +173,27 @@ public GitCommit commit(String refName) throws GitException {
         }
     }
 
+    private void checkProject() throws GitException {
+        if (project == null) {
+            throw new GitException("Project is not set for GitLab");
+        }
+    }
+
+    private void setCurrentProject(String project) throws GitException {
+        if (Strings.isNullOrEmpty(project)) {
+            throw new GitException("Project id or name is missing on GitLab");
+        }
+
+        try {
+            this.project = this.connect.getProject(project);
+        } catch (IOException e) {
+            if (e instanceof FileNotFoundException) {
+                throw new GitException("Project not found: " + e.getMessage());
+            }
+            throw new GitException(e.getMessage());
+        }
+    }
+
     private List<String> toStringBranches(Collection<GitlabBranch> branches) {
         List<String> list = new ArrayList<>(branches.size());
         for (GitlabBranch branch : branches) {

platform-util-git/src/main/java/com/flow/platform/util/git/JGitBasedClient.java

@@ -18,6 +18,7 @@
 
 import com.flow.platform.util.ExceptionUtil;
 import com.flow.platform.util.git.model.GitCommit;
+import com.flow.platform.util.git.model.GitProject;
 import com.google.common.base.Strings;
 import com.google.common.collect.Sets;
 import java.io.BufferedReader;
@@ -161,6 +162,16 @@ public void pull(String branch, ProgressMonitor monitor) throws GitException {
         }
     }
 
+    @Override
+    public List<GitProject> projects() throws GitException {
+        throw new UnsupportedOperationException("Unable to list git projects for JGit based client");
+    }
+
+    @Override
+    public void setCurrentProject(GitProject project) throws GitException {
+        throw new UnsupportedOperationException("Unable to set git project for JGit based client");
+    }
+
     @Override
     public List<String> branches() throws GitException {
         try {

platform-util-git/src/main/java/com/flow/platform/util/git/model/GitProject.java

@@ -0,0 +1,83 @@
+/*
+ * Copyright 2017 flow.ci
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.flow.platform.util.git.model;
+
+import java.io.Serializable;
+
+/**
+ * @author yang
+ */
+public class GitProject implements Serializable {
+
+    private String id;
+
+    private String name;
+
+    private String fullName;
+
+    public GitProject() {
+    }
+
+    public GitProject(String id, String name, String fullName) {
+        this.id = id;
+        this.name = name;
+        this.fullName = fullName;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getFullName() {
+        return fullName;
+    }
+
+    public void setFullName(String fullName) {
+        this.fullName = fullName;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+
+        GitProject that = (GitProject) o;
+
+        return id.equals(that.id);
+    }
+
+    @Override
+    public int hashCode() {
+        return id.hashCode();
+    }
+}

platform-util-git/src/test/java/com/flow/platform/util/git/test/GitLabClientTest.java

@@ -22,6 +22,7 @@
 import com.flow.platform.util.git.GitException;
 import com.flow.platform.util.git.GitLabClient;
 import com.flow.platform.util.git.model.GitCommit;
+import com.flow.platform.util.git.model.GitProject;
 import com.google.common.base.Strings;
 import java.util.List;
 import org.junit.Assert;
@@ -71,6 +72,18 @@ public void should_get_commit_info() throws Throwable {
         Assert.assertNotNull(commit.getMessage());
     }
 
+    @Test
+    public void should_list_all_projects() throws Throwable {
+        List<GitProject> projects = client.projects();
+        Assert.assertNotNull(projects);
+        Assert.assertTrue(projects.size() >= 1);
+
+        GitProject project = projects.get(0);
+        Assert.assertNotNull(project.getId());
+        Assert.assertNotNull(project.getName());
+        Assert.assertNotNull(project.getFullName());
+    }
+
     @Test
     public void should_list_branches() throws Throwable {
         List<String> branches = client.branches();