From e850ff6ce5695afe5fd00e55cd1db2223845c3c9 Mon Sep 17 00:00:00 2001
From: Erik Bylund <erik@lootlocker.io>
Date: Wed, 18 Dec 2024 14:00:23 +0100
Subject: [PATCH] meta: Add workflow that generates changelogs from patch notes

---
 .github/scripts/generate-changelog.sh    | 52 ++++++++++++++++++++++++
 .github/workflows/generate-changelog.yml | 29 +++++++++++++
 2 files changed, 81 insertions(+)
 create mode 100644 .github/scripts/generate-changelog.sh
 create mode 100644 .github/workflows/generate-changelog.yml

diff --git a/.github/scripts/generate-changelog.sh b/.github/scripts/generate-changelog.sh
new file mode 100644
index 00000000..7cec89bd
--- /dev/null
+++ b/.github/scripts/generate-changelog.sh
@@ -0,0 +1,52 @@
+#!/bin/bash
+sdk=$1
+sdkname=$2
+openAIApiKey=$3
+
+latestRelease=$(curl -s -X GET "https://api.github.com/repos/lootlocker/$sdk/releases/latest")
+
+version=$(echo "$latestRelease" | jq .tag_name)
+version=${version//\"/}
+patchnotes=$(echo "$latestRelease" | jq .body)
+patchnotes=${patchnotes//\\r\\n/\\n}
+
+prompt="Condense these patch notes (but dont mention the version number) to a short message (max 255 character) naming the important changes and crucial information in a helpful, informative, but punchy way: $patchnotes"
+prompt=${prompt//\"/}
+body='{
+        "model": "gpt-4o-mini",
+        "messages": [
+            {
+                "role": "system",
+                "content": "You are the chief tech communicator of LootLocker and a marketing Genius"
+            },
+            {
+                "role": "user",
+                "content": "'$prompt'"
+            }
+        ]
+    }'
+
+jsonResponse=$(curl -s "https://api.openai.com/v1/chat/completions" \
+    -H "Content-Type: application/json" \
+    -H "Authorization: Bearer $openAIApiKey" \
+    -d "$body")
+
+shortPatchNotes=$(echo "$jsonResponse" | jq .choices[0].message.content)
+shortPatchNotes=${shortPatchNotes//\"/}
+
+filename="$sdk-$version"
+filename=${filename//./-}
+filename="$filename.md"
+echo "---" > $filename
+echo "title: \"$sdkname $version\"" >> $filename
+echo "author: Erik Bylund" >> $filename
+dt=`date '+%Y-%m-%dT%H:%M:%SZ'`
+echo "date: $dt" >> $filename
+echo "---" >> $filename
+
+echo "" >> $filename
+
+echo "**🎉 $sdkname $version is released 🎉**" >> $filename
+echo "$shortPatchNotes" >> $filename
+echo "" >> $filename
+echo "[Find it here](https://github.com/lootlocker/$sdk/releases/tag/$version)" >> $filename
\ No newline at end of file
diff --git a/.github/workflows/generate-changelog.yml b/.github/workflows/generate-changelog.yml
new file mode 100644
index 00000000..a6509f14
--- /dev/null
+++ b/.github/workflows/generate-changelog.yml
@@ -0,0 +1,29 @@
+name: Generate changelog from release
+run-name: generate-changelog
+on:
+  release:
+      types: [published]
+  workflow_dispatch: {}
+
+jobs:
+  generate-changelog:
+    name: Generate changelog from release
+    runs-on: [ubuntu-latest]
+    steps:
+      - name: Install jq
+        run: |
+          sudo apt install jq
+      - name: Checkout this repository
+        uses: actions/checkout@v4
+        with:
+          path: ./sdk
+      - name: Generate changelog from latest release
+        run: |
+          ./sdk/.github/scripts/generate-changelog.sh unreal-sdk "Unreal SDK" "${{ SECRETS.OPEN_AI_API_KEY }}"
+      - name: Cat changelog so you can get it without downloading
+        run: cat ./*.md
+      - name: Expose changelog
+        uses: actions/upload-artifact@v4
+        with:
+          name: changelog
+          path: ./*.md