add pull request function

src/giteaClient.ts

@@ -1,8 +1,28 @@
-// Sample function only, actual functions needed may be different
-function makePullRequest() {
-  console.log("TODO: Make pull request");
-  // TODO: Remove this, for demo purposes only!
-  console.log(`API KEY: ${process.env.GITEA_API_KEY}`);
-}
+import fetch from 'node-fetch';
+import 'dotenv/config'
 
-export { makePullRequest };
+export const MAIN_BRANCH = "main"
+export const GITEA_API_URL = "https://git.csclub.uwaterloo.ca/api/v1/repos"
+
+export const makePullRequest = async (owner: string, repoName: string, title: string, body:string, branchName: string, assignee: string) => {
+  const PULL_URL = `${GITEA_API_URL}/${owner}/${repoName}/pulls`
+  console.log(PULL_URL)
+
+  const response = await fetch(PULL_URL, {
+    method: 'POST',
+    headers: {
+      'Accept': 'application/json',
+      'Content-Type': 'application/json',
+      'Authorization': `Bearer ${process.env.GITEA_API_KEY}`
+    },
+    body: JSON.stringify({
+      assignee: assignee,
+      base: MAIN_BRANCH,
+      title: title,
+      body: body,
+      head: branchName,
+    })
+  });
+  const content = await response.json();
+  return content
+}