AAE-12046 - add pre-condition on approval (#8145)

* add pre-condition on approval

* adjustment

* add approval check

* devel check false

* devel check true

* restyling

* check with PR approved

.github/workflows/adf_alpha.yml

@@ -73,8 +73,7 @@ jobs:
         - name: Trigger Alpha ADF child build
           shell: bash
           if: ${{ contains(github.event.head_commit.message, '[trigger adf]') || inputs.cluster_operation == 'TRIGGER_ALPHA_ADF' || github.event.schedule == '0 12 * * *'  }}
-          run: |
-            pull_number=$(jq --raw-output .pull_request.number "$GITHUB_EVENT_PATH")        
+          run: |                    
             npm install github-api
             ./scripts/travis/update/update-project.sh -p $TRAVIS_BUILD_NUMBER -t $GH_TOKEN -v alpha -c $TRAVIS_COMMIT
           

.github/workflows/pull-request.yml

@@ -64,13 +64,48 @@ env:
   DOCKER_REPOSITORY_STORYBOOK: "${{ secrets.DOCKER_REPOSITORY_DOMAIN }}/alfresco/storybook"
   DOCKER_REPOSITORY: "${{ secrets.DOCKER_REPOSITORY_DOMAIN }}/alfresco/demo-shell"
 
-jobs: 
+jobs:
+  check-if-pr-is-approved:    
+    runs-on: ubuntu-22.04
+    steps:        
+      - name: Checkout repository        
+        uses: actions/checkout@v3
+        with: 
+          fetch-depth: 0   
+      
+      - name: Check if PR is approved
+        id: action
+        uses: kamatama41/get-pr-number-action@v0
+        with: 
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Show the number
+        env: 
+          GH_TOKEN: ${{ github.token }}
+          DEVEL_FLAG: false #put it to true if you need to develop the pipeline on your own branch. before the final merge put it to false
+        shell: bash
+        if: ${{ github.event_name != 'schedule' }}                   
+        run: |
+          if [[ "$DEVEL_FLAG" = false ]] ; then     
+            echo "PR number is: ${{ steps.action.outputs.number }}" 
+            prNumber=${{ steps.action.outputs.number }}    
+            checkApproval=$(gh api /repos/Alfresco/alfresco-ng2-components/pulls/$prNumber/reviews | jq '.[] | select(.state == "APPROVED") | .user.login')                
+            if [[ $checkApproval ]]; then
+              echo "PR approved"
+            else
+              echo "PR not approved yet"
+              exit 1
+            fi 
+          else
+            echo "you are on your branch: skipping the check. REMEMBER to put DEVEL_FLAG to FALSE before the final merge!"
+          fi
 
   setup:
     # long timeout required when cache has to be recreated
     timeout-minutes: 30
     name: "Setup"
     runs-on: ubuntu-22.04
+    needs: [check-if-pr-is-approved]
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3