From a94ce60ec57dd686291861c0cd4a481068890a62 Mon Sep 17 00:00:00 2001
From: selfisekai <laura@selfisekai.rocks>
Date: Sun, 23 Aug 2020 13:16:38 +0200
Subject: [PATCH] initial issue replicating (gitlab)

---
 src/types.ts                   |  1 +
 src/vendor/gitlab/repomgr.ts   | 33 +++++++++++++++++++++++++--------
 src/vendor/gitlab/vendormgr.ts | 21 +++++++++++++++++++--
 3 files changed, 45 insertions(+), 10 deletions(-)

diff --git a/src/types.ts b/src/types.ts
index 7e23c23..2473338 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -53,6 +53,7 @@ export interface RepoManager {
   repo: Repo;
   initialize: () => Promise<RepoManager>;
   getIssue: (id: string) => Promise<Issue>;
+  replicateIssue?: (issue: Issue) => Promise<Issue>;
   getMergeRequest: (id: string) => Promise<MergeRequest>;
 }
 
diff --git a/src/vendor/gitlab/repomgr.ts b/src/vendor/gitlab/repomgr.ts
index 21d93bf..c2dd07e 100644
--- a/src/vendor/gitlab/repomgr.ts
+++ b/src/vendor/gitlab/repomgr.ts
@@ -23,6 +23,7 @@ export default class GitHubRepoManager implements RepoManager {
   vendorMgr: GitLabVendorManager;
   repo: Repo;
   repoPath: string;
+  repoId: string;
 
   constructor(vendorMgr: GitLabVendorManager, repoPath: string) {
     this.vendorMgr = vendorMgr;
@@ -43,17 +44,16 @@ export default class GitHubRepoManager implements RepoManager {
       name: repoSmallPath,
     };
     this.repoPath = repoPath;
+    this.repoId = ''; // for strict null check, is replaced in .initialize
   }
 
   public async initialize() {
-    let meta = await this.vendorMgr._doRequest(
+    const meta = await this.vendorMgr._doRequest_gql(
       `
         query ($path: ID!, $ownerStr: String!, $ownerID: ID!) {
           project(fullPath: $path) {
+            id
             path
-            namespace {
-              path
-            }
           }
           group(fullPath: $ownerID) {
             id
@@ -73,8 +73,11 @@ export default class GitHubRepoManager implements RepoManager {
         ownerID: this.repo.owner.username,
       },
     );
-    assert(meta.project);
-    assert(meta.group || meta.user);
+    assert(meta.project, 'no project');
+    assert(meta.group || meta.user, 'no top-level project owner');
+    const [, repoId] = /\/(\d+)$/.exec(meta.project.id) || [,];
+    assert(repoId, 'broken project id');
+    this.repoId = repoId;
     this.repo.owner.username = meta.project.path;
     if (meta.group) {
       this.repo.owner.type = ACTOR_TYPE.ORG;
@@ -85,7 +88,7 @@ export default class GitHubRepoManager implements RepoManager {
   }
 
   public async getIssue(number: string): Promise<Issue> {
-    const resp = await this.vendorMgr._doRequest(
+    const resp = await this.vendorMgr._doRequest_gql(
       `
         query ($path: ID!, $id: String!) {
           project(fullPath: $path) {
@@ -119,8 +122,22 @@ export default class GitHubRepoManager implements RepoManager {
     };
   }
 
+  public async replicateIssue(issue: Issue) {
+    // yes, v4, gitlab doesn't support creating issues with graphql api 🤦‍♀️
+    const resp = await this.vendorMgr._doRequest_v4(
+      'POST',
+      `projects/${encodeURIComponent(this.repoId)}/issues`,
+      {
+        title: issue.title,
+        description: issue.content,
+      },
+    );
+    assert(resp.iid);
+    return this.getIssue(resp.iid.toString());
+  }
+
   public async getMergeRequest(number: string): Promise<MergeRequest> {
-    const resp = await this.vendorMgr._doRequest(
+    const resp = await this.vendorMgr._doRequest_gql(
       `
         query ($path: ID!, $id: String!) {
           project(fullPath: $path) {
diff --git a/src/vendor/gitlab/vendormgr.ts b/src/vendor/gitlab/vendormgr.ts
index 74afe60..dd37136 100644
--- a/src/vendor/gitlab/vendormgr.ts
+++ b/src/vendor/gitlab/vendormgr.ts
@@ -7,6 +7,7 @@
  */
 
 import got from 'got';
+import qs from 'querystring';
 import { VendorManager, VENDOR_TYPE, Vendor, RepoManager } from '../../types';
 import { GLQuery } from './api-types';
 import GitLabRepoManager from './repomgr';
@@ -20,6 +21,8 @@ export interface GitLabConfig {
 export default class GitLabVendorManager implements VendorManager<GitLabConfig> {
   vendor: Vendor;
   config: GitLabConfig;
+  apiEndpoint: string;
+  v4Endpoint: string;
   gqlEndpoint: string;
 
   constructor(config: GitLabConfig) {
@@ -29,7 +32,9 @@ export default class GitLabVendorManager implements VendorManager<GitLabConfig>
       domain: config.domain,
     };
     this.config = config;
-    this.gqlEndpoint = `https://${this.vendor.domain}/api/graphql`;
+    this.apiEndpoint = `https://${this.vendor.domain}/api`;
+    this.v4Endpoint = `${this.apiEndpoint}/v4`;
+    this.gqlEndpoint = `${this.apiEndpoint}/graphql`;
   }
 
   public async initialize() {
@@ -41,7 +46,7 @@ export default class GitLabVendorManager implements VendorManager<GitLabConfig>
   }
 
   /** internal and for RepoManager */
-  public async _doRequest(query: string, variables: any) {
+  public async _doRequest_gql(query: string, variables: any) {
     return got
       .post(this.gqlEndpoint, {
         body: JSON.stringify({ query, variables }),
@@ -53,4 +58,16 @@ export default class GitLabVendorManager implements VendorManager<GitLabConfig>
       .then((res) => JSON.parse(res.body))
       .then((res) => res.data) as Promise<GLQuery>;
   }
+
+  /** internal and for RepoManager */
+  public async _doRequest_v4(method: 'GET' | 'POST', path: string, query?: any) {
+    // did you know that gitlab graphql api is fucked up
+    // and does not support some of the core functionality like creating issues?
+    return got(`${this.v4Endpoint}/${path}?${qs.stringify(query)}`, {
+      method,
+      headers: {
+        Authorization: `Bearer ${this.config.token}`,
+      },
+    }).then((res) => JSON.parse(res.body));
+  }
 }