Use `screen_name` instead of `target_user` param in `Ajax::RelationshipController`

app/controllers/ajax/relationship_controller.rb

@@ -8,15 +8,15 @@ class Ajax::RelationshipController < AjaxController
   before_action :authenticate_user!
 
   def create
-    params.require :target_user
+    params.require :screen_name
 
     UseCase::Relationship::Create.call(
       current_user: current_user.screen_name,
-      target_user:  params[:target_user],
+      target_user:  params[:screen_name],
       type:         params[:type]
     )
     @response[:success] = true
-    @response[:message] = t("messages.friend.create.success")
+    @response[:message] = t("messages.friend.create.okay")
   rescue Errors::Base => e
     @response[:message] = t(e.locale_tag)
   ensure
@@ -26,13 +26,13 @@ class Ajax::RelationshipController < AjaxController
   def destroy
     UseCase::Relationship::Destroy.call(
       current_user: current_user.screen_name,
-      target_user:  params[:target_user],
+      target_user:  params[:screen_name],
       type:         params[:type]
     )
     @response[:success] = true
-    @response[:message] = t("messages.friend.create.success")
+    @response[:message] = t("messages.friend.destroy.okay")
   rescue Errors::Base => e
-    @response[:message] = t(e.locale_tag)
+    @response[:message] = t("messages.friend.destroy.fail")
   ensure
     return_response
   end

spec/controllers/ajax/relationship_controller_spec.rb

@@ -17,31 +17,31 @@ describe Ajax::RelationshipController, type: :controller do
     shared_examples_for "valid relationship type" do
       it_behaves_like "params is empty"
 
-      context "target_user does not exist" do
-        let(:target_user) { "peter-witzig" }
+      context "screen_name does not exist" do
+        let(:screen_name) { "peter-witzig" }
 
         include_examples "ajax does not succeed", "not found"
       end
 
-      context "target_user is current user" do
-        let(:target_user) { user.screen_name }
+      context "screen_name is current user" do
+        let(:screen_name) { user.screen_name }
 
         include_examples "ajax does not succeed", "yourself"
       end
 
-      context "target_user is different from current_user" do
-        let(:target_user) { user2.screen_name }
+      context "screen_name is different from current_user" do
+        let(:screen_name) { user2.screen_name }
 
         it "creates the relationship" do
           expect { subject }.to change { Relationship.count }.by(1)
-          expect(Relationship.last.target.screen_name).to eq(target_user)
+          expect(Relationship.last.target.screen_name).to eq(screen_name)
         end
       end
     end
 
     let(:type)        { "Sauerkraut" }
-    let(:target_user) { user2.screen_name }
-    let(:params)      { { type: type, target_user: target_user } }
+    let(:screen_name) { user2.screen_name }
+    let(:params)      { { type: type, screen_name: screen_name } }
 
     subject { post(:create, params: params) }
 
@@ -67,7 +67,7 @@ describe Ajax::RelationshipController, type: :controller do
 
   describe "#destroy" do
     shared_examples_for "valid relationship type" do
-      let(:target_user) { user2.screen_name }
+      let(:screen_name) { user2.screen_name }
 
       context "relationship exists" do
         before do
@@ -85,16 +85,16 @@ describe Ajax::RelationshipController, type: :controller do
         end
       end
 
-      context "target_user does not exist" do
-        let(:target_user) { "peter-witzig" }
+      context "screen_name does not exist" do
+        let(:screen_name) { "peter-witzig" }
 
         include_examples "ajax does not succeed", "not found"
       end
     end
 
     let(:type)        { "Sauerkraut" }
-    let(:target_user) { user2.screen_name }
-    let(:params)      { { type: type, target_user: target_user } }
+    let(:screen_name) { user2.screen_name }
+    let(:params)      { { type: type, screen_name: screen_name } }
 
     subject { delete(:destroy, params: params) }