Created a first draft of this action. (#14)

Reviewed-on: #14
Co-authored-by: Philipp Horstenkamp <philipp@horstenkamp.de>
Co-committed-by: Philipp Horstenkamp <philipp@horstenkamp.de>

index.js

@@ -0,0 +1,73 @@
+const core = require("@actions/core");
+
+async function getAndPostPullRequests() {
+  try {
+    core.info("Starting the action...");
+
+    // Retrieve inputs and token
+    const baseUrl = core.getInput("base_url") || "https://git.horstenkamp.eu";
+    const owner = core.getInput("owner") || process.env.GITHUB_REPOSITORY_OWNER;
+    const repo =
+      core.getInput("repo") || process.env.GITHUB_REPOSITORY.split("/")[1];
+    const base_branch = core.getInput("base_branch") || "main";
+    const title = core.getInput("title");
+    const body = core.getInput("body") || "";
+    const assigneesInput = core.getInput("assignees");
+    const reviewersInput = core.getInput("reviewers");
+    const dueDate = core.getInput("due_date");
+    const milestone = core.getInput("milestone");
+    const token = core.getInput("token");
+    let branch = core.getInput("branch");
+
+    if (!token || token.trim() === "") {
+      throw new Error("No token provided. Please provide a valid token.");
+    }
+
+    // Construct the URL for the requests
+    const url = `${baseUrl}/api/v1/repos/${owner}/${repo}/pulls`;
+
+    // Headers with Authorization
+    const headers = {
+      "Content-Type": "application/json",
+      accept: "application/json",
+    };
+    core.info(`token ${token}`);
+
+    // Prepare POST data
+    const postData = {
+      title: title,
+      body: body,
+      head: branch,
+      base: base_branch,
+      assignees: assigneesInput ? assigneesInput.split(",") : [],
+      reviewers: reviewersInput ? reviewersInput.split(",") : [],
+      due_date: dueDate || undefined,
+      milestone: milestone ? parseInt(milestone, 10) : 0,
+    };
+    // Perform the POST request
+
+    core.info(`URL for POST request: ${url}`);
+    core.info(`POST data being sent: ${JSON.stringify(postData, null, 2)}`);
+    const postResponse = await fetch(`${url}?access_token=${token}`, {
+      method: "POST",
+      headers,
+      body: JSON.stringify(postData),
+    });
+
+    if (!postResponse.ok) {
+      throw new Error(
+        `HTTP error! status on creating a new PR: ${postResponse.status}`,
+      );
+    }
+
+    const postResult = await postResponse.json().url;
+    core.info("POST request completed successfully.");
+    core.info(`Created the post request under: ${postResult}`);
+    return postResult;
+  } catch (error) {
+    core.setFailed(`Action failed with error: ${error}`);
+  }
+}
+
+// Call the function
+getAndPostPullRequests();