From e470dfdd553777e62c8285bbeed42fa7b47b54cf Mon Sep 17 00:00:00 2001
From: David Sungaila <david.sungaila@arcor.de>
Date: Sun, 19 Nov 2023 22:53:04 +0100
Subject: [PATCH] Add staging for GitHub Pages

---
 .github/workflows/githubpages.yml         |   1 -
 .github/workflows/githubpages_staging.yml | 102 ++++++++++++++++++++++
 WebConverter/wwwroot/index.html           |  24 ++---
 3 files changed, 114 insertions(+), 13 deletions(-)
 create mode 100644 .github/workflows/githubpages_staging.yml

diff --git a/.github/workflows/githubpages.yml b/.github/workflows/githubpages.yml
index 861f975..944db18 100644
--- a/.github/workflows/githubpages.yml
+++ b/.github/workflows/githubpages.yml
@@ -4,7 +4,6 @@
 name: GitHub Pages
 
 on:
-  workflow_dispatch:
   push:
     branches:
       - 'master'
diff --git a/.github/workflows/githubpages_staging.yml b/.github/workflows/githubpages_staging.yml
new file mode 100644
index 0000000..b6727bb
--- /dev/null
+++ b/.github/workflows/githubpages_staging.yml
@@ -0,0 +1,102 @@
+# This workflow will build a .NET project
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-net
+
+name: GitHub Pages
+
+on:
+  workflow_dispatch:
+  pull_request:
+    branches:
+      - '**'
+      
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  publish:
+    name: Publish
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@main
+        with:
+          fetch-depth: 0
+      - name: Setup .NET 8
+        uses: actions/setup-dotnet@main
+        with:
+          dotnet-version: 8.x
+      - name: Setup .NET workload android
+        run: dotnet workload install android
+      - name: Setup .NET workload wasm-tools
+        run: dotnet workload install wasm-tools
+      - name: Setup .NET workload wasm-tools-net7
+        run: dotnet workload install wasm-tools-net7
+      - name: Update relative paths
+        working-directory: WebConverter/wwwroot
+        run: |
+            sed -i 's/<base href="\/" \/>/<base href="\/${{github.event.repository.name}}\/" \/>/g' index.html
+            sed -i 's/"scope": "\/"/"scope": "\/${{github.event.repository.name}}\/"/g' manifest.webmanifest
+            sed -i 's/"start_url": "\/"/"start_url": "\/${{github.event.repository.name}}\/"/g' manifest.webmanifest
+            sed -i 's/"action": "\/"/"action": "\/${{github.event.repository.name}}\/"/g' manifest.webmanifest
+            sed -i 's/"action": "\/receive-webshare"/"action": "\/${{github.event.repository.name}}\/receive-webshare"/g' manifest.webmanifest
+      - name: Restore
+        run: dotnet restore PDFtoZPL.sln
+      - name: Publish
+        run: dotnet publish WebConverter/WebConverter.csproj -c Release -p:PublishProfile=WebConverter/Properties/PublishProfiles/PublishSite.pubxml --no-restore
+      - name: Create .nojekyll file
+        run: touch WebConverter/bin/Release/net7.0/publish/wwwroot/.nojekyll
+      - name: Update service-worker-assets.js hashes
+        working-directory: WebConverter/bin/Release/net7.0/publish/wwwroot
+        if: false
+        run: |
+          jsFile=$(<service-worker-assets.js)
+          # remove JavaScript from contents so it can be interpreted as JSON
+          json=$(echo "$jsFile" | sed "s/self.assetsManifest = //g" | sed "s/;//g")
+          # grab the assets JSON array
+          assets=$(echo "$json" | jq '.assets[]' -c)
+          for asset in $assets
+          do
+            oldHash=$(echo "$asset" | jq '.hash')
+            #remove leading and trailing quotes
+            oldHash="${oldHash:1:-1}"
+            path=$(echo "$asset" | jq '.url')
+            #remove leading and trailing quotes
+            path="${path:1:-1}"
+            newHash="sha256-$(openssl dgst -sha256 -binary $path | openssl base64 -A)"
+          
+            if [ $oldHash != $newHash ]; then
+              # escape slashes for json
+              oldHash=$(echo "$oldHash" | sed 's;/;\\/;g')
+              newHash=$(echo "$newHash" | sed 's;/;\\/;g')
+              echo "Updating hash for $path from $oldHash to $newHash"
+              # escape slashes second time for sed
+              oldHash=$(echo "$oldHash" | sed 's;/;\\/;g')
+              jsFile=$(echo -n "$jsFile" | sed "s;$oldHash;$newHash;g")
+            fi
+          done
+          echo -n "$jsFile" > service-worker-assets.js
+      - name: Upload pages artifact
+        uses: actions/upload-pages-artifact@main
+        with:
+          path: WebConverter/bin/Release/net7.0/publish/wwwroot
+  deploy:
+    name: Deploy
+    needs: publish
+    runs-on: ubuntu-latest
+
+    # Grant GITHUB_TOKEN the permissions required to make a Pages deployment
+    permissions:
+      pages: write      # to deploy to Pages
+      id-token: write   # to verify the deployment originates from an appropriate source
+      
+    environment:
+      name: github-pages-staging
+      url: ${{ steps.deployment.outputs.page_url }}
+    
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@main
+        with:
+          preview: true
\ No newline at end of file
diff --git a/WebConverter/wwwroot/index.html b/WebConverter/wwwroot/index.html
index 3bef710..37f7a0c 100644
--- a/WebConverter/wwwroot/index.html
+++ b/WebConverter/wwwroot/index.html
@@ -106,20 +106,20 @@
     <script>
         window.setDotNetHelper = dotNetHelper => {
             window.dotNetHelper = dotNetHelper;
-        };
-
-        navigator.serviceWorker.onmessage = async event => {
-            if (event.data?.type === 'receive-webshare') {
-                await window.dotNetHelper.invokeMethodAsync('ReceiveWebShareTargetAsync', JSON.stringify(event.data.payload));
-            }
-        };
 
-        navigator.serviceWorker.ready
-            .then(registration => {
-                if (registration.active) {
-                    registration.active.postMessage('receive-webshare');
+            navigator.serviceWorker.onmessage = async event => {
+                if (event.data?.type === 'receive-webshare') {
+                    await window.dotNetHelper.invokeMethodAsync('ReceiveWebShareTargetAsync', JSON.stringify(event.data.payload));
                 }
-            });
+            };
+
+            navigator.serviceWorker.ready
+                .then(registration => {
+                    if (registration.active) {
+                        registration.active.postMessage('receive-webshare');
+                    }
+                });
+        };
 
         window.downloadFileFromText = async (fileName, fileContent) => {
             const blob = new Blob([fileContent], { type: 'text/plain' });