Add `policy` param to `POST /api/v1/push/subscriptions` (#16040)

With possible values `all`, `followed`, `follower`, and `none`,
control from whom notifications will generate a Web Push alert

3 files changed, 120 insertions, 25 deletions

diff --git a/spec/controllers/api/v1/push/subscriptions_controller_spec.rb b/spec/controllers/api/v1/push/subscriptions_controller_spec.rb
index 01146294f..534d02879 100644
--- a/spec/controllers/api/v1/push/subscriptions_controller_spec.rb
+++ b/spec/controllers/api/v1/push/subscriptions_controller_spec.rb
@@ -27,20 +27,27 @@ describe Api::V1::Push::SubscriptionsController do
   let(:alerts_payload) do
     {
       data: {
+        policy: 'all',
+
         alerts: {
           follow: true,
+          follow_request: true,
           favourite: false,
           reblog: true,
           mention: false,
+          poll: true,
+          status: false,
         }
       }
     }.with_indifferent_access
   end
 
   describe 'POST #create' do
-    it 'saves push subscriptions' do
+    before do
       post :create, params: create_payload
+    end
 
+    it 'saves push subscriptions' do
       push_subscription = Web::PushSubscription.find_by(endpoint: create_payload[:subscription][:endpoint])
 
       expect(push_subscription.endpoint).to eq(create_payload[:subscription][:endpoint])
@@ -52,31 +59,34 @@ describe Api::V1::Push::SubscriptionsController do
 
     it 'replaces old subscription on repeat calls' do
       post :create, params: create_payload
-      post :create, params: create_payload
-
       expect(Web::PushSubscription.where(endpoint: create_payload[:subscription][:endpoint]).count).to eq 1
     end
   end
 
   describe 'PUT #update' do
-    it 'changes alert settings' do
+    before do
       post :create, params: create_payload
       put :update, params: alerts_payload
+    end
 
+    it 'changes alert settings' do
       push_subscription = Web::PushSubscription.find_by(endpoint: create_payload[:subscription][:endpoint])
 
-      expect(push_subscription.data.dig('alerts', 'follow')).to eq(alerts_payload[:data][:alerts][:follow].to_s)
-      expect(push_subscription.data.dig('alerts', 'favourite')).to eq(alerts_payload[:data][:alerts][:favourite].to_s)
-      expect(push_subscription.data.dig('alerts', 'reblog')).to eq(alerts_payload[:data][:alerts][:reblog].to_s)
-      expect(push_subscription.data.dig('alerts', 'mention')).to eq(alerts_payload[:data][:alerts][:mention].to_s)
+      expect(push_subscription.data['policy']).to eq(alerts_payload[:data][:policy])
+
+      %w(follow follow_request favourite reblog mention poll status).each do |type|
+        expect(push_subscription.data['alerts'][type]).to eq(alerts_payload[:data][:alerts][type.to_sym].to_s)
+      end
     end
   end
 
   describe 'DELETE #destroy' do
-    it 'removes the subscription' do
+    before do
       post :create, params: create_payload
       delete :destroy
+    end
 
+    it 'removes the subscription' do
       expect(Web::PushSubscription.find_by(endpoint: create_payload[:subscription][:endpoint])).to be_nil
     end
   end
diff --git a/spec/controllers/api/web/push_subscriptions_controller_spec.rb b/spec/controllers/api/web/push_subscriptions_controller_spec.rb
index 381cdeab9..bda4a7661 100644
--- a/spec/controllers/api/web/push_subscriptions_controller_spec.rb
+++ b/spec/controllers/api/web/push_subscriptions_controller_spec.rb
@@ -22,11 +22,16 @@ describe Api::Web::PushSubscriptionsController do
   let(:alerts_payload) do
     {
       data: {
+        policy: 'all',
+
         alerts: {
           follow: true,
+          follow_request: false,
           favourite: false,
           reblog: true,
           mention: false,
+          poll: true,
+          status: false,
         }
       }
     }
@@ -59,10 +64,11 @@ describe Api::Web::PushSubscriptionsController do
 
         push_subscription = Web::PushSubscription.find_by(endpoint: create_payload[:subscription][:endpoint])
 
-        expect(push_subscription.data['alerts']['follow']).to eq(alerts_payload[:data][:alerts][:follow].to_s)
-        expect(push_subscription.data['alerts']['favourite']).to eq(alerts_payload[:data][:alerts][:favourite].to_s)
-        expect(push_subscription.data['alerts']['reblog']).to eq(alerts_payload[:data][:alerts][:reblog].to_s)
-        expect(push_subscription.data['alerts']['mention']).to eq(alerts_payload[:data][:alerts][:mention].to_s)
+        expect(push_subscription.data['policy']).to eq 'all'
+
+        %w(follow follow_request favourite reblog mention poll status).each do |type|
+          expect(push_subscription.data['alerts'][type]).to eq(alerts_payload[:data][:alerts][type.to_sym].to_s)
+        end
       end
     end
   end
@@ -81,10 +87,11 @@ describe Api::Web::PushSubscriptionsController do
 
       push_subscription = Web::PushSubscription.find_by(endpoint: create_payload[:subscription][:endpoint])
 
-      expect(push_subscription.data['alerts']['follow']).to eq(alerts_payload[:data][:alerts][:follow].to_s)
-      expect(push_subscription.data['alerts']['favourite']).to eq(alerts_payload[:data][:alerts][:favourite].to_s)
-      expect(push_subscription.data['alerts']['reblog']).to eq(alerts_payload[:data][:alerts][:reblog].to_s)
-      expect(push_subscription.data['alerts']['mention']).to eq(alerts_payload[:data][:alerts][:mention].to_s)
+      expect(push_subscription.data['policy']).to eq 'all'
+
+      %w(follow follow_request favourite reblog mention poll status).each do |type|
+        expect(push_subscription.data['alerts'][type]).to eq(alerts_payload[:data][:alerts][type.to_sym].to_s)
+      end
     end
   end
 end
diff --git a/spec/models/web/push_subscription_spec.rb b/spec/models/web/push_subscription_spec.rb
index c6665611c..b44904369 100644
--- a/spec/models/web/push_subscription_spec.rb
+++ b/spec/models/web/push_subscription_spec.rb
@@ -1,16 +1,94 @@
 require 'rails_helper'
 
 RSpec.describe Web::PushSubscription, type: :model do
-  let(:alerts) { { mention: true, reblog: false, follow: true, follow_request: false, favourite: true } }
-  let(:push_subscription) { Web::PushSubscription.new(data: { alerts: alerts }) }
+  let(:account) { Fabricate(:account) }
+
+  let(:policy) { 'all' }
+
+  let(:data) do
+    {
+      policy: policy,
+
+      alerts: {
+        mention: true,
+        reblog: false,
+        follow: true,
+        follow_request: false,
+        favourite: true,
+      },
+    }
+  end
+
+  subject { described_class.new(data: data) }
 
   describe '#pushable?' do
-    it 'obeys alert settings' do
-      expect(push_subscription.send(:pushable?, Notification.new(activity_type: 'Mention'))).to eq true
-      expect(push_subscription.send(:pushable?, Notification.new(activity_type: 'Status'))).to eq false
-      expect(push_subscription.send(:pushable?, Notification.new(activity_type: 'Follow'))).to eq true
-      expect(push_subscription.send(:pushable?, Notification.new(activity_type: 'FollowRequest'))).to eq false
-      expect(push_subscription.send(:pushable?, Notification.new(activity_type: 'Favourite'))).to eq true
+    let(:notification_type) { :mention }
+    let(:notification) { Fabricate(:notification, account: account, type: notification_type) }
+
+    %i(mention reblog follow follow_request favourite).each do |type|
+      context "when notification is a #{type}" do
+        let(:notification_type) { type }
+
+        it "returns boolean corresonding to alert setting" do
+          expect(subject.pushable?(notification)).to eq data[:alerts][type]
+        end
+      end
+    end
+
+    context 'when policy is all' do
+      let(:policy) { 'all' }
+
+      it 'returns true' do
+        expect(subject.pushable?(notification)).to eq true
+      end
+    end
+
+    context 'when policy is none' do
+      let(:policy) { 'none' }
+
+      it 'returns false' do
+        expect(subject.pushable?(notification)).to eq false
+      end
+    end
+
+    context 'when policy is followed' do
+      let(:policy) { 'followed' }
+
+      context 'and notification is from someone you follow' do
+        before do
+          account.follow!(notification.from_account)
+        end
+
+        it 'returns true' do
+          expect(subject.pushable?(notification)).to eq true
+        end
+      end
+
+      context 'and notification is not from someone you follow' do
+        it 'returns false' do
+          expect(subject.pushable?(notification)).to eq false
+        end
+      end
+    end
+
+    context 'when policy is follower' do
+      let(:policy) { 'follower' }
+
+      context 'and notification is from someone who follows you' do
+        before do
+          notification.from_account.follow!(account)
+        end
+
+        it 'returns true' do
+          expect(subject.pushable?(notification)).to eq true
+        end
+      end
+
+      context 'and notification is not from someone who follows you' do
+        it 'returns false' do
+          expect(subject.pushable?(notification)).to eq false
+        end
+      end
     end
   end
 end