Set member status to sustainer upon payment

Introduces a state machine for the payment status as well.

refs #213

spec/jobs/btcpay_check_donation_job_spec.rb

@@ -8,16 +8,18 @@ RSpec.describe BtcpayCheckDonationJob, type: :job do
     user.donations.create!(
       donation_method: "btcpay",
       btcpay_invoice_id: "K4e31MhbLKmr3D7qoNYRd3",
-      paid_at: nil, payment_status: "processing",
-      fiat_amount: 120, fiat_currency: "USD"
+      paid_at: nil,
+      payment_status: "processing",
+      fiat_amount: 120,
+      fiat_currency: "USD"
     )
   end
 
   before do
     allow_any_instance_of(User).to receive(:ldap_entry).and_return({
-      uid: user.cn, ou: user.ou, mail: user.email, admin: nil,
-      display_name: nil
+      uid: user.cn, ou: user.ou, mail: user.email, admin: nil, display_name: nil
     })
+    allow_any_instance_of(User).to receive(:add_member_status)
   end
 
   after(:each) do
@@ -65,15 +67,20 @@ RSpec.describe BtcpayCheckDonationJob, type: :job do
     it "notifies the user via email" do
       perform_enqueued_jobs(only: described_class) { job }
       expect(enqueued_jobs.size).to eq(1)
-      job = enqueued_jobs.select{|j| j['job_class'] == "ActionMailer::MailDeliveryJob"}.first
+      job = enqueued_jobs.select { |j| j['job_class'] == "ActionMailer::MailDeliveryJob" }.first
       expect(job['arguments'][0]).to eq('NotificationMailer')
       expect(job['arguments'][1]).to eq('bitcoin_donation_confirmed')
-      expect(job['arguments'][3]['params']['user']['_aj_globalid']).to eq('gid://akkounts/User/1')
+      expect(job['arguments'][3]['params']['user']['_aj_globalid']).to eq(user.to_global_id.to_s)
     end
 
     it "does not enqueue itself again" do
       expect_any_instance_of(described_class).not_to receive(:re_enqueue_job)
       perform_enqueued_jobs(only: described_class) { job }
     end
+
+    it "updates the user's member status" do
+      expect_any_instance_of(User).to receive(:add_member_status).with(:sustainer)
+      perform_enqueued_jobs(only: described_class) { job }
+    end
   end
 end