chore: build primary sample app

Author: mrehan27

.github/workflows/build-sample-apps.yml

@@ -70,6 +70,29 @@ jobs:
       - uses: actions/checkout@v4
 
       # Install CLI tools, Ruby, and Ruby dependencies for Fastlane
+      
+      - name: Set Default Firebase Distribution Groups
+        run: |
+          # Define all the possible distribution groups
+          ALL_BUILDS_GROUP="all-builds"
+          FEATURE_BUILDS_GROUP="feature-branch"
+          STABLE_BUILDS_GROUP="next"
+          
+          # Initialize with the default distribution group
+          distribution_groups=("$ALL_BUILDS_GROUP")
+          
+          # Determine current app type and Git context
+          is_primary_app=$([[ "${{ matrix.sample-app }}" == "APN" ]] && echo "true" || echo "false")
+          current_branch="${GITHUB_REF}"
+          
+          # Append distribution groups based on branch and context if the app is primary
+          if [[ "$is_primary_app" == "true" ]]; then
+            [[ "$current_branch" == "refs/heads/feature/"* ]] && distribution_groups+=("$FEATURE_BUILDS_GROUP")
+            [[ "$current_branch" == "refs/heads/main" ]] && distribution_groups+=("$STABLE_BUILDS_GROUP")
+          fi
+          
+          # Export the groups as an environment variable
+          echo "firebase_distribution_groups=$(IFS=','; echo "${distribution_groups[*]}")" >> $GITHUB_ENV
 
       - name: Install CLI tools used in CI script
         shell: bash

Apps/fastlane/helpers/build_helper.rb

@@ -41,7 +41,7 @@
       apk_path: distribution_apk_path,
       app: firebase_app_id, # Firebase app id is required. Get it from google-services.json file
       service_credentials_file: service_credentials_file_path,
-      groups: get_build_test_groups(),
+      groups: get_build_test_groups(distribution_groups: arguments[:distribution_groups]),
       release_notes: get_build_notes()
     )
   end
@@ -83,7 +83,7 @@
 
       firebase_app_distribution(
         service_credentials_file: service_credentials_file_path,
-        groups: get_build_test_groups(),
+        groups: get_build_test_groups(distribution_groups: arguments[:distribution_groups]),
         release_notes: get_build_notes()
       )
     end
@@ -123,22 +123,13 @@
   build_notes # return value
 end
 
-lane :get_build_test_groups do 
-  test_groups = ['all-builds'] # send all builds to group 'all-builds'. Therefore, set it here and we will not remove it. 
-  test_groups.append("feature-branch") # Feature branch will be used when a PR is merged into a feature branch. We will need to add a check for this.
-  github = GitHub.new()
-    
-  # To avoid giving potentially unstable builds of our sample apps to certain members of the organization, we only send builds to "stable" group uncertain certain situations. 
-  # If a commit is merged into main, it's considered stable because we deploy to production on merges to main. 
-  if github.is_commit_pushed && github.push_branch == "main"
-    test_groups.append("stable-builds") 
-    test_groups.append("next") # Next group will depricate the 'stable` builds group'.
-    test_groups.append("public") # Temp send to public group until we actually build from the deployed SDK.
-  end
-
-  test_groups = test_groups.join(", ")
+lane :get_build_test_groups do |arguments|
+  # Firebase App Distribution expects a comma separated string of test group names.
+  # If no groups are passed in, then set test groups to an empty string.
+  test_groups = arguments[:distribution_groups] || ""
 
   UI.important("Test group names that will be added to this build: #{test_groups}")
 
-  test_groups # return value 
-end 
+  test_groups # return value
+end
+