From 9e76cefde386323a288b4dcc32e5ad05706f9f07 Mon Sep 17 00:00:00 2001
From: Philipp Horstenkamp <philipp@horstenkamp.de>
Date: Sun, 19 Nov 2023 13:01:36 +0100
Subject: [PATCH] Added an a check that validates if an similar PR already
 exists.

---
 .gitea/workflows/maintenance.yaml |  6 +++---
 action.yml                        |  7 +++++--
 index.js                          | 22 ++++++++++++++++++----
 3 files changed, 26 insertions(+), 9 deletions(-)

diff --git a/.gitea/workflows/maintenance.yaml b/.gitea/workflows/maintenance.yaml
index 1c7557b..8cc5c9e 100644
--- a/.gitea/workflows/maintenance.yaml
+++ b/.gitea/workflows/maintenance.yaml
@@ -30,8 +30,8 @@ jobs:
       uses: ./
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
-        branch: my-branch
-        pr_title: My PR Title
-        pr_body: My PR Body
+        branch: update/pre-commit-hooks
+        title: My PR Title
+        body: My PR Body
         assignees: Philipp
         reviewers: Philipp
diff --git a/action.yml b/action.yml
index 515cb7f..b820669 100644
--- a/action.yml
+++ b/action.yml
@@ -7,10 +7,13 @@ inputs:
   branch:
     description: Branch for which to create the PR
     required: true
-  pr_title:
+  base_branch:
+    description: Branch in which should be mergbed. Defaults to main.
+    required: false
+  title:
     description: Title of the pull request
     required: true
-  pr_body:
+  body:
     description: Body of the pull request
     required: true
   assignees:
diff --git a/index.js b/index.js
index 0f0146c..7b04db9 100644
--- a/index.js
+++ b/index.js
@@ -1,4 +1,5 @@
 const core = require("@actions/core");
+const _ = require("underscore");
 
 async function getAndPostPullRequests() {
   try {
@@ -18,6 +19,9 @@ async function getAndPostPullRequests() {
     const branch = core.getInput("branch");
     core.info(`The branch ${branch} should be merged.`);
 
+    const base_branch = core.getInput("base_branch");
+    core.info(`The branch ${base_branch} should be merged into.`);
+
     // core.info(`Post Data: ${JSON.stringify(postData)}`);
 
     const githubToken = core.getInput("github_token");
@@ -47,8 +51,14 @@ async function getAndPostPullRequests() {
     core.info(`GET repsonse ${JSON.stringify(pulls, 2)}`);
 
     // Logic to decide if a POST request is needed
-    if (pulls.length === 0) {
-      core.info("No open pulls found, proceeding with POST request...");
+    const targetPRFound = _.any(
+      pulls,
+      (pr) => pr.head.ref === branch && pr.base.ref === base_branch,
+    );
+    if (targetPRFound) {
+      core.info(
+        `No open pulls found, to merge ${branch} into ${base_branch}. Trying to create a new PR.`,
+      );
       return { message: "Abort for thesting" };
       // Perform the POST request
       const postResponse = await fetch(url, {
@@ -65,8 +75,12 @@ async function getAndPostPullRequests() {
       core.info("POST request completed successfully.");
       return postResult;
     } else {
-      core.info("No POST request made as conditions were not met.");
-      return { message: "No POST request made as conditions were not met." };
+      core.info(
+        `There is already an PR for open that merges ${branch} into ${base_branch}.`,
+      );
+      return {
+        message: `There is already an PR for open that merges ${branch} into ${base_branch}.`,
+      };
     }
   } catch (error) {
     core.setFailed(`Action failed with error: ${error}`);