GitlabManager => Add functions to get tree of a repo and for get a file

ExpressAPI/src/managers/GitlabManager.ts

@@ -8,6 +8,9 @@ import GitlabVisibility  from '../shared/types/Gitlab/GitlabVisibility';
 import ApiRequest        from '../types/ApiRequest';
 import GitlabUser        from '../shared/types/Gitlab/GitlabUser';
 import GitlabRoutes      from '../shared/types/Gitlab/GitlabRoutes';
+import GitlabTreeFile    from '../shared/types/Gitlab/GitlabTreeFile';
+import parseLinkHeader   from 'parse-link-header';
+import GitlabFile        from '../shared/types/Gitlab/GitlabFile';
 
 
 class GitlabManager {
@@ -145,6 +148,45 @@ class GitlabManager {
 
         return response.data;
     }
+
+    async getRepositoryTree(repoId: number, recursive: boolean = true, branch: string = 'main'): Promise<Array<GitlabTreeFile>> {
+        let address: string | undefined = this.getApiUrl(GitlabRoutes.REPOSITORY_TREE).replace('{{id}}', String(repoId));
+        let params: any = {
+            pagination: 'keyset',
+            recursive : recursive,
+            per_page  : 100,
+            ref       : branch
+        };
+
+        let results: Array<GitlabTreeFile> = [];
+
+        while ( params !== undefined ) {
+            const response = await axios.get<Array<GitlabTreeFile>>(address, {
+                params: params
+            });
+
+            results.push(...response.data);
+
+            if ( 'link' in response.headers ) {
+                const link = parseLinkHeader(response.headers['link']);
+                params = link.next;
+            } else {
+                params = undefined;
+            }
+        }
+
+        return results;
+    }
+
+    async getFile(repoId: number, filePath: string, branch: string = 'main'): Promise<GitlabFile> {
+        const response = await axios.get<GitlabFile>(this.getApiUrl(GitlabRoutes.REPOSITORY_FILE).replace('{{id}}', String(repoId)).replace('{{filePath}}', encodeURIComponent(filePath)), {
+            params: {
+                ref: branch
+            }
+        });
+
+        return response.data;
+    }
 }