Process payments automatically

Closes #1232

lib/tasks/invoices/process_payments.rake

@@ -0,0 +1,49 @@
+namespace :invoices do
+  task process_payments: :environment do
+    registry_bank_account_iban = Setting.registry_iban
+
+    keystore_password = ENV['lhv_keystore_password']
+    keystore_alias = ENV['lhv_keystore_alias']
+    keystore = Keystores::JavaKeystore.new
+    keystore.load(ENV['lhv_keystore'], keystore_password)
+    cert = keystore.get_certificate(keystore_alias)
+    key = keystore.get_key(keystore_alias, keystore_password)
+
+    api = Lhv::ConnectApi.new
+    api.cert = cert
+    api.key = key
+    api.ca_file = ENV['lhv_ca_file']
+    api.dev_mode = ENV['lhv_dev_mode'] == 'true'
+
+    incoming_transactions = []
+
+    api.credit_debit_notification_messages.each do |message|
+      next unless message.bank_account_iban == registry_bank_account_iban
+
+      message.credit_transactions.each do |credit_transaction|
+        incoming_transactions << credit_transaction
+      end
+    end
+
+    if incoming_transactions.any?
+      bank_statement = BankStatement.new(bank_code: Setting.registry_bank_code,
+                                         iban: Setting.registry_iban)
+
+      ActiveRecord::Base.transaction do
+        bank_statement.save!
+
+        incoming_transactions.each do |incoming_transaction|
+          transaction_attributes = { sum: incoming_transaction.amount,
+                                     currency: incoming_transaction.currency,
+                                     paid_at: incoming_transaction.date,
+                                     reference_no: incoming_transaction.payment_reference_number,
+                                     description: incoming_transaction.payment_description }
+          transaction = bank_statement.bank_transactions.create!(transaction_attributes)
+          transaction.autobind_invoice
+        end
+      end
+    end
+
+    puts "Transactions processed: #{incoming_transactions.size}"
+  end
+end