feat: allow label of can-i-deploy badge to be customised by setting t…

…he label query parameter

lib/pact_broker/api/resources/can_i_deploy_badge.rb

@@ -46,7 +46,7 @@ def moved_temporarily?
           begin
             if pacticipant
               if version
-                badge_service.can_i_deploy_badge_url(selectors.first.pacticipant_name, options[:tag], results.deployable?)
+                badge_service.can_i_deploy_badge_url(pacticipant_name, identifier_from_path[:tag], identifier_from_path[:to], label, results.deployable?)
               else
                 badge_service.error_badge_url("version", "not found")
               end
@@ -74,6 +74,11 @@ def results
         def version
           @version ||= version_service.find_by_pacticipant_name_and_latest_tag(identifier_from_path[:pacticipant_name], identifier_from_path[:tag])
         end
+
+        def label
+          lab = request.query['label']
+          lab && !lab.empty? ? lab : nil
+        end
       end
     end
   end

lib/pact_broker/badges/service.rb

@@ -33,8 +33,8 @@ def pact_verification_badge_url(pact, label, initials, pseudo_branch_verificatio
         build_shield_io_uri(title, status, color)
       end
 
-      def can_i_deploy_badge_url(pacticipant_name, environment_tag, deployable)
-        title = "Can I deploy #{pacticipant_name} to #{environment_tag}?"
+      def can_i_deploy_badge_url(pacticipant_name, tag, environment_tag, label, deployable)
+        title = label || "Can I deploy #{tag} #{pacticipant_name} to #{environment_tag}?"
         status = deployable ? "yes" : "no"
         color = deployable ? "brightgreen" : "red"
         build_shield_io_uri(title, status, color)

lib/pact_broker/doc/views/pacticipant/can-i-deploy-badge.markdown

@@ -5,3 +5,5 @@ Allowed methods: `GET`
 Path: `/pacticipants/{pacticipant}/latest-version/{tag}/can-i-deploy/to/{environmentTag}/badge`
 
 Returns a status badge that can be displayed in a README file that indicates whether the specified version of a pacticipant can be deployed to the specified environment.
+
+To set a custom label for the badge, set the `label` query parameter. eg `?label=my+custom+label+here`.

spec/lib/pact_broker/api/resources/can_i_deploy_badge_spec.rb

@@ -32,7 +32,7 @@ module Resources
 
         context "when the pacticipant exists" do
           it "returns a redirect to the badge" do
-            expect(badge_service).to receive(:can_i_deploy_badge_url).with("Foo", "prod", true)
+            expect(badge_service).to receive(:can_i_deploy_badge_url).with("Foo", "main", "prod", nil, true)
             expect(subject.status).to eq 307
           end
         end
@@ -55,6 +55,15 @@ module Resources
           end
         end
 
+        context "with a custom label" do
+          subject { get(path, label: "some custom label") }
+
+          it "returns a redirect to a badge with a custom label" do
+            expect(badge_service).to receive(:can_i_deploy_badge_url).with("Foo", "main", "prod", "some custom label", true)
+            subject
+          end
+        end
+
         context "when there is an error" do
           before do
             allow(matrix_service).to receive(:find).and_raise("foo error")