Add endpoint to fetch repo tree

src/VCS/Adapter.php

@@ -206,6 +206,17 @@ abstract public function listBranches(string $owner, string $repositoryName): ar
      */
     abstract public function updateCommitStatus(string $repositoryName, string $SHA, string $owner, string $state, string $description = '', string $target_url = '', string $context = ''): void;
 
+    /**
+     * Get repository tree
+     *
+     * @param string $owner Owner name of the repository
+     * @param string $repositoryName Name of the GitHub repository
+     * @param string $branch Name of the branch
+     * @param bool $recursive Whether to fetch the tree recursively
+     * @return array<string> List of files in the repository
+     */
+    abstract public function getRepositoryTree(string $owner, string $repositoryName, string $branch, bool $recursive = false): array;
+
     /**
      * Get repository languages
      *

src/VCS/Adapter/Git/GitHub.php

@@ -150,6 +150,28 @@ public function getRepositoryName(string $repositoryId): string
         return $response['body']['name'];
     }
 
+    /**
+     * Get repository tree
+     *
+     * @param string $owner Owner name of the repository
+     * @param string $repositoryName Name of the GitHub repository
+     * @param string $branch Name of the branch
+     * @param bool $recursive Whether to fetch the tree recursively
+     * @return array<string> List of files in the repository
+     */
+    public function getRepositoryTree(string $owner, string $repositoryName, string $branch, bool $recursive = false): array
+    {
+        // if recursive is true, add optional query param to url
+        $url = "/repos/$owner/$repositoryName/git/trees/$branch" . ($recursive ? '?recursive=1' : '');
+        $response = $this->call(self::METHOD_GET, $url, ['Authorization' => "Bearer $this->accessToken"]);
+
+        if ($response['headers']['status-code'] == 404) {
+            return [];
+        }
+
+        return array_column($response['body']['tree'], 'path');
+    }
+
     /**
      * Get repository languages
      *

tests/VCS/Adapter/GitHubTest.php

@@ -138,6 +138,43 @@ public function testGetRepositoryName(): void
         $this->assertEquals('basic-js-crud', $repositoryName);
     }
 
+    public function testGetRepositoryTree(): void
+    {
+        $owner = 'test-kh';
+        $repositoryName = 'test1';
+        $branch = 'main';
+        $tree = $this->vcsAdapter->getRepositoryTree($owner, $repositoryName, $branch);
+
+        $this->assertIsArray($tree);
+        $this->assertNotEmpty($tree);
+
+        // test for an invalid repo
+        $repositoryName = 'test3';
+        $tree = $this->vcsAdapter->getRepositoryTree($owner, $repositoryName, $branch);
+        $this->assertIsArray($tree);
+        $this->assertEmpty($tree);
+
+        // test for an empty repository
+        $repositoryName = 'test2';
+        $tree = $this->vcsAdapter->getRepositoryTree($owner, $repositoryName, $branch);
+        $this->assertIsArray($tree);
+        $this->assertEmpty($tree);
+
+        // test for recursive tree
+        $repositoryName = 'test4';
+        $tree = $this->vcsAdapter->getRepositoryTree($owner, $repositoryName, $branch, true);
+        $this->assertIsArray($tree);
+        $this->assertNotEmpty($tree);
+        $this->assertEquals('src/folder/README.md', $tree[2]);
+
+        // test for recursive false
+        $repositoryName = 'test4';
+        $tree = $this->vcsAdapter->getRepositoryTree($owner, $repositoryName, $branch);
+        $this->assertIsArray($tree);
+        $this->assertNotEmpty($tree);
+        $this->assertEquals(1, count($tree));
+    }
+
     public function testListRepositoryContents(): void
     {
         $owner = 'test-kh';

tests/VCS/Base.php

@@ -32,6 +32,8 @@ abstract public function testGetComment(): void;
 
     abstract public function testGetPullRequest(): void;
 
+    abstract public function testGetRepositoryTree(): void;
+
     public function testGetPullRequestFromBranch(): void
     {
         $result = $this->vcsAdapter->getPullRequestFromBranch('vermakhushboo', 'basic-js-crud', 'test');