Add editing for published statuses (#17320)

* Add editing for published statuses

* Fix change of multiple-choice boolean in poll not resetting votes

* Remove the ability to update existing media attachments for now

1 files changed, 130 insertions, 0 deletions

diff --git a/spec/services/update_status_service_spec.rb b/spec/services/update_status_service_spec.rb
new file mode 100644
index 000000000..1d4b0a6be
--- /dev/null
+++ b/spec/services/update_status_service_spec.rb
@@ -0,0 +1,130 @@
+require 'rails_helper'
+
+RSpec.describe UpdateStatusService, type: :service do
+  subject { described_class.new }
+
+  context 'when text changes' do
+    let!(:status) { Fabricate(:status, text: 'Foo') }
+    let(:preview_card) { Fabricate(:preview_card) }
+
+    before do
+      status.preview_cards << preview_card
+      subject.call(status, status.account_id, text: 'Bar')
+    end
+
+    it 'updates text' do
+      expect(status.reload.text).to eq 'Bar'
+    end
+
+    it 'resets preview card' do
+      expect(status.reload.preview_card).to be_nil
+    end
+
+    it 'saves edit history' do
+      expect(status.edits.pluck(:text, :media_attachments_changed)).to eq [['Foo', false], ['Bar', false]]
+    end
+  end
+
+  context 'when content warning changes' do
+    let!(:status) { Fabricate(:status, text: 'Foo', spoiler_text: '') }
+    let(:preview_card) { Fabricate(:preview_card) }
+
+    before do
+      status.preview_cards << preview_card
+      subject.call(status, status.account_id, text: 'Foo', spoiler_text: 'Bar')
+    end
+
+    it 'updates content warning' do
+      expect(status.reload.spoiler_text).to eq 'Bar'
+    end
+
+    it 'saves edit history' do
+      expect(status.edits.pluck(:text, :spoiler_text, :media_attachments_changed)).to eq [['Foo', '', false], ['Foo', 'Bar', false]]
+    end
+  end
+
+  context 'when media attachments change' do
+    let!(:status) { Fabricate(:status, text: 'Foo') }
+    let!(:detached_media_attachment) { Fabricate(:media_attachment, account: status.account) }
+    let!(:attached_media_attachment) { Fabricate(:media_attachment, account: status.account) }
+
+    before do
+      status.media_attachments << detached_media_attachment
+      subject.call(status, status.account_id, text: 'Foo', media_ids: [attached_media_attachment.id])
+    end
+
+    it 'updates media attachments' do
+      expect(status.media_attachments.to_a).to eq [attached_media_attachment]
+    end
+
+    it 'detaches detached media attachments' do
+      expect(detached_media_attachment.reload.status_id).to be_nil
+    end
+
+    it 'attaches attached media attachments' do
+      expect(attached_media_attachment.reload.status_id).to eq status.id
+    end
+
+    it 'saves edit history' do
+      expect(status.edits.pluck(:text, :media_attachments_changed)).to eq [['Foo', false], ['Foo', true]]
+    end
+  end
+
+  context 'when poll changes' do
+    let!(:status) { Fabricate(:status, text: 'Foo') }
+    let!(:poll) { Fabricate(:poll, options: %w(Foo Bar)) }
+
+    before do
+      status.update(poll: poll)
+      subject.call(status, status.account_id, text: 'Foo', poll: { options: %w(Bar Baz), expires_in: 5.days.to_i })
+    end
+
+    it 'updates poll' do
+      expect(status.poll).to_not eq poll
+      expect(status.poll.options).to eq %w(Bar Baz)
+    end
+
+    it 'saves edit history' do
+      expect(status.edits.pluck(:text, :media_attachments_changed)).to eq [['Foo', false], ['Foo', true]]
+    end
+  end
+
+  context 'when mentions in text change' do
+    let!(:account) { Fabricate(:account) }
+    let!(:alice) { Fabricate(:account, username: 'alice') }
+    let!(:bob) { Fabricate(:account, username: 'bob') }
+    let!(:status) { PostStatusService.new.call(account, text: 'Hello @alice') }
+
+    before do
+      subject.call(status, status.account_id, text: 'Hello @bob')
+    end
+
+    it 'changes mentions' do
+      expect(status.active_mentions.pluck(:account_id)).to eq [bob.id]
+    end
+
+    it 'keeps old mentions as silent mentions' do
+      expect(status.mentions.pluck(:account_id)).to eq [alice.id, bob.id]
+    end
+  end
+
+  context 'when hashtags in text change' do
+    let!(:account) { Fabricate(:account) }
+    let!(:status) { PostStatusService.new.call(account, text: 'Hello #foo') }
+
+    before do
+      subject.call(status, status.account_id, text: 'Hello #bar')
+    end
+
+    it 'changes tags' do
+      expect(status.tags.pluck(:name)).to eq %w(bar)
+    end
+  end
+
+  it 'notifies ActivityPub about the update' do
+    status = Fabricate(:status, text: 'Foo')
+    allow(ActivityPub::DistributionWorker).to receive(:perform_async)
+    subject.call(status, status.account_id, text: 'Bar')
+    expect(ActivityPub::DistributionWorker).to have_received(:perform_async)
+  end
+end