Small improvements and style fixes in BankAccountInformationImporter

lib/bank_account_information_importer.rb

@@ -6,8 +6,10 @@ class BankAccountInformationImporter
   def import!(content)
     return nil if content.empty?
 
-    data = JSON.parse content, symbolize_names: true
+    import_data! JSON.parse(content, symbolize_names: true)
+  end
 
+  def import_data!(data)
     return 0 if data.empty?
 
     booked = data.fetch(:transactions, {}).fetch(:booked, [])
@@ -17,30 +19,31 @@ class BankAccountInformationImporter
       amount = parse_account_information_amount t[:transactionAmount]
       entityName = amount < 0 ? t[:creditorName] : t[:debtorName]
       entityAccount = amount < 0 ? t[:creditorAccount] : t[:debtorAccount]
+      reference = [t[:endToEndId], t[:remittanceInformationUnstructured]].join("\n").strip
 
       @bank_account.bank_transactions.where(external_id: t[:transactionId]).first_or_create.update({
                                                                                                      date: t[:bookingDate],
                                                                                                      amount: amount,
                                                                                                      iban: entityAccount && entityAccount[:iban],
-                                                                                                     reference: t[:remittanceInformationUnstructured],
+                                                                                                     reference: reference,
                                                                                                      text: entityName,
-                                                                                                     receipt: t[:additionalInformation],
+                                                                                                     receipt: t[:additionalInformation]
                                                                                                    })
       ret += 1
     end
 
-    balances = Hash[data[:balances] ? data[:balances].map { |b| [b[:balanceType], b[:balanceAmount]] } : []]
+    balances = (data[:balances] ? data[:balances].map { |b| [b[:balanceType], b[:balanceAmount]] } : []).to_h
     balance = balances.values.first
     %w(closingBooked expected authorised openingBooked interimAvailable forwardAvailable nonInvoiced).each do |type|
       value = balances[type]
-      if value then
+      if value
         balance = value
         break
       end
     end
 
     @bank_account.balance = parse_account_information_amount(balance) || @bank_account.bank_transactions.sum(:amount)
-    @bank_account.import_continuation_point = booked.first&.fetch(:entryReference, nil)
+    @bank_account.import_continuation_point = booked.first&.fetch(:entryReference, nil) unless booked.empty?
     @bank_account.last_import = Time.now
     @bank_account.save!
 

spec/lib/bank_account_information_importer_spec.rb

@@ -242,7 +242,7 @@ describe BankTransaction do
     expect(bt.date).to eq('2019-02-13'.to_date)
     expect(bt.text).to eq('Hammersmith Inc.')
     expect(bt.iban).to be(nil)
-    expect(bt.reference).to eq('Martin Schöneicher, Inv# 123453423, Thx')
+    expect(bt.reference).to eq("Corvette Ersatzteile\nMartin Schöneicher, Inv# 123453423, Thx")
     expect(bt.receipt).to eq('Auslands-Überweisung')
   end
 
@@ -318,7 +318,7 @@ describe BankTransaction do
     expect(bt.date).to eq('2019-02-14'.to_date)
     expect(bt.text).to eq('Maria Reithuber')
     expect(bt.iban).to eq('AT251657674147449499')
-    expect(bt.reference).to eq("Danke für's Auslegen")
+    expect(bt.reference).to eq("Auslage von Martin S.\nDanke für's Auslegen")
     expect(bt.receipt).to eq('Gutschrift')
   end
 
@@ -390,7 +390,7 @@ describe BankTransaction do
     expect(bt1.date).to eq('2020-01-01'.to_date)
     expect(bt1.text).to eq('DN1')
     expect(bt1.iban).to eq('DE72957284895783674747')
-    expect(bt1.reference).to be(nil)
+    expect(bt1.reference).to eq('')
     expect(bt1.receipt).to eq('AI1')
 
     bt2 = bank_account.bank_transactions.find_by_external_id("T2")
@@ -406,7 +406,7 @@ describe BankTransaction do
     expect(bt3.date).to eq('2000-03-01'.to_date)
     expect(bt3.text).to eq('DN3')
     expect(bt3.iban).to be(nil)
-    expect(bt3.reference).to be(nil)
+    expect(bt3.reference).to eq('')
     expect(bt3.receipt).to be(nil)
   end
 end