build_and_release.yaml

name: Build and Release Flutter App

run-name: ${{ github.actor }} is building the Android app bundle 🚀

on:
  push:
    branches:
      - main
    paths-ignore:
      - '**.md'
      - '**.yaml'

jobs:

  GetVersionNumber:
    runs-on: ubuntu-latest
    permissions:
      contents: read
    outputs:
      version: ${{ steps.version.outputs.content }}
    steps:
      - uses: actions/checkout@v3

      - name: Read file
        id: version
        uses: juliangruber/read-file-action@v1.1.6
        with:
          path: VERSION

      - name: Print version
        run: echo ${{ steps.version.outputs.content }}

  BuildAndroidRelease:
    runs-on: ubuntu-latest
    environment: production
    needs: GetVersionNumber
    permissions:
      contents: write

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      - uses: actions/checkout@v3

      # Checkout the repository code and get packages.
      - name: Checkout app code
        uses: actions/checkout@v3

      # Set up Flutter.
      - uses: subosito/flutter-action@v1
        with:
          channel: "stable"

      - run: flutter doctor -v

      - run: flutter pub get

      - name: Download Android keystore
        id: android_keystore
        uses: timheuer/base64-to-file@v1.0.3
        with:
          fileName: upload-keystore.jks
          encodedString: ${{ secrets.KEYSTORE_FILE_BASE64 }}

      - name: Create key.properties
        run: |
          echo "storeFile=${{ steps.android_keystore.outputs.filePath }}" > android/key.properties
          echo "storePassword=${{ secrets.KEYSTORE_PASSWORD }}" >> android/key.properties
          echo "keyPassword=${{ secrets.KEYSTORE_KEY_PASSWORD }}" >> android/key.properties
          echo "keyAlias=${{ secrets.KEYSTORE_KEY_ALIAS }}" >> android/key.properties

      - name: Build Android Release APK
        run: flutter build apk --release

      - name: Build Android Release AppBundle
        run: flutter build appbundle

      - name: Upload APK Artifact
        uses: actions/upload-artifact@v3
        with:
          name: release-apk
          path: build/app/outputs/apk/release/app-release.apk

      - name: Upload Android AppBundle Artifact
        uses: actions/upload-artifact@v3
        with:
          name: release-aab
          path: build/app/outputs/bundle/release/app-release.aab

  BuildiOSRelease:
    runs-on: macos-latest
    environment: production
    needs: GetVersionNumber
    permissions:
      contents: write
    steps:
      # Checks-out our repository under $GITHUB_WORKSPACE, so our job can access it
      - name: Checkout repository
        uses: actions/checkout@v3

      # Set up Flutter.
      - uses: subosito/flutter-action@v1
        with:
          channel: "stable"

      - run: flutter doctor -v

      - run: flutter pub get

      # Install the Apple certificate and provisioning profile 
      - name: Install the Apple certificate and provisioning profile
        env:
          BUILD_CERTIFICATE_BASE64: ${{ secrets.APPSTORE_CERT_BASE64 }}
          P12_PASSWORD: ${{ secrets.APPSTORE_CERT_PASSWORD }}
          BUILD_PROVISION_PROFILE_BASE64: ${{ secrets.MOBILEPROVISION_BASE64 }}
          KEYCHAIN_PASSWORD: ${{ secrets.KEYCHAIN_PASSWORD }}
          EXPORT_OPTIONS_PLIST: ${{ secrets.EXPORT_OPTIONS_PLIST }}
        run: |
          # create variables
          CERTIFICATE_PATH=$RUNNER_TEMP/build_certificate.p12
          PP_PATH=$RUNNER_TEMP/build_pp.mobileprovision
          KEYCHAIN_PATH=$RUNNER_TEMP/app-signing.keychain-db
          # import certificate and provisioning profile from secrets
          echo -n "$BUILD_CERTIFICATE_BASE64" | base64 --decode --output $CERTIFICATE_PATH
          echo -n "$BUILD_PROVISION_PROFILE_BASE64" | base64 --decode --output $PP_PATH
          # create temporary keychain
          security create-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
          security set-keychain-settings -lut 21600 $KEYCHAIN_PATH
          security unlock-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
          # import certificate to keychain
          security import $CERTIFICATE_PATH -P "$P12_PASSWORD" -A -t cert -f pkcs12 -k $KEYCHAIN_PATH
          security list-keychain -d user -s $KEYCHAIN_PATH
          # apply provisioning profile
          mkdir -p ~/Library/MobileDevice/Provisioning\ Profiles
          cp $PP_PATH ~/Library/MobileDevice/Provisioning\ Profiles
          EXPORT_OPTS_PATH=$RUNNER_TEMP/ExportOptions.plist
          echo -n "$EXPORT_OPTIONS_PLIST" | base64 --decode -o $EXPORT_OPTS_PATH

      # Build and sign the ipa using a single flutter command
      - name: Building IPA
        run: flutter build ipa --release --export-options-plist=$RUNNER_TEMP/ExportOptions.plist
          
      # Collect the file and upload as artifact         
      - name: Upload IPA Artifact
        uses: actions/upload-artifact@v3
        with:
         name: release-ipa
         path: build/ios/ipa/*.ipa

      - name: Clean up keychain and provisioning profile
        if: ${{ always() }}
        run: |
          security delete-keychain $RUNNER_TEMP/app-signing.keychain-db
          rm ~/Library/MobileDevice/Provisioning\ Profiles/build_pp.mobileprovision

  CreateDraftRelease:
    runs-on: macos-latest
    needs: [BuildAndroidRelease, BuildiOSRelease, GetVersionNumber]
    permissions:
      contents: write
    steps:

      - name: Download Android APK Artifact
        uses: actions/download-artifact@v3
        with:
          name: release-apk

      - name: Download Android AAB Artifact
        uses: actions/download-artifact@v3
        with:
          name: release-aab

      - name: Download iOS IPA Artifact
        uses: actions/download-artifact@v3
        with:
          name: release-ipa

      - name: Create Draft Release
        uses: ncipollo/release-action@v1.13.0
        with:
          artifacts: "app-release.aab, app-release.apk, workout_timer.ipa"
          draft: "true"
          tag: ${{needs.GetVersionNumber.outputs.version}}
          generateReleaseNotes: "true"