From 66b939da37da60e8ddfdfbfe64da71229abad591 Mon Sep 17 00:00:00 2001
From: "Felix T.J. Dietrich" <felixtj.dietrich@tum.de>
Date: Sun, 11 Aug 2024 20:50:15 +0200
Subject: [PATCH] Add PR workflows for assigning PR author and labeling (#48)

---
 .github/labeler.yml                | 21 +++++++++++
 .github/workflows/pr-labeler.yml   | 56 ++++++++++++++++++++++++++++++
 .github/workflows/pull-request.yml | 11 ++++++
 3 files changed, 88 insertions(+)
 create mode 100644 .github/labeler.yml
 create mode 100644 .github/workflows/pr-labeler.yml
 create mode 100644 .github/workflows/pull-request.yml

diff --git a/.github/labeler.yml b/.github/labeler.yml
new file mode 100644
index 00000000..34193423
--- /dev/null
+++ b/.github/labeler.yml
@@ -0,0 +1,21 @@
+documentation:
+  - changed-files:
+    - any-glob-to-any-file: docs/**
+
+client:
+  - changed-files:
+    - any-glob-to-any-file: webapp/**
+
+application-server:
+  - changed-files:
+    - any-glob-to-any-file: server/application-server/**
+
+intelligence-service:
+  - changed-files:
+    - any-glob-to-any-file: "server/intelligence-service/**"
+
+feature:
+  - head-branch: ['^feature', 'feature', '^feat', 'feat']
+
+bug:
+  - head-branch: ['^fix', 'fix', '^bug', 'bug']
\ No newline at end of file
diff --git a/.github/workflows/pr-labeler.yml b/.github/workflows/pr-labeler.yml
new file mode 100644
index 00000000..a9915bff
--- /dev/null
+++ b/.github/workflows/pr-labeler.yml
@@ -0,0 +1,56 @@
+name: "Pull Request Labeler"
+on:
+  pull_request_target:
+
+jobs:
+  labeler:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: write
+    steps:
+    - uses: actions/labeler@v5
+      with:
+        configuration-path: .github/labeler.yml
+
+    - name: Calculate the PR size
+      uses: actions/github-script@v7
+      id: calculate-size
+      with:
+        script: |
+          const diff = await github.rest.pulls.get({
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            pull_number: context.issue.number,
+            mediaType: {
+              format: "diff",
+            },
+          });
+
+          const changedLines = diff.data
+            .split("\n")
+            .filter(line => line.startsWith('+') || line.startsWith('-'))
+            .length;
+
+          let label = '';
+          if (changedLines > 1000) label = 'size:XXL';
+          else if (changedLines > 499) label = 'size:XL';
+          else if (changedLines > 99) label = 'size:L';
+          else if (changedLines > 29) label = 'size:M';
+          else if (changedLines > 9) label = 'size:S';
+          else label = 'size:XS';
+
+          return label;
+
+    - name: Apply size label
+      uses: actions/github-script@v7
+      if: steps.calculate-size.outputs.result
+      with:
+        script: |
+          await github.rest.issues.addLabels({
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            issue_number: context.issue.number,
+            labels: [ "${{steps.calculate-size.outputs.result}}" ]
+          })
+
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
new file mode 100644
index 00000000..dd87882d
--- /dev/null
+++ b/.github/workflows/pull-request.yml
@@ -0,0 +1,11 @@
+on:
+  pull_request:
+    types: [opened]
+name: Pull Request
+jobs:
+  assignAuthor:
+    name: Assign author to PR
+    runs-on: ubuntu-latest
+    steps:
+      - name: Assign author to PR
+        uses: technote-space/assign-author@v1
\ No newline at end of file