Binding interface for bank statements

app/models/bank_statement.rb

@@ -5,6 +5,10 @@ class BankStatement < ActiveRecord::Base
 
   validates :bank_code, :iban, :queried_at, presence: true
 
+  FULLY_BINDED = 'fully_binded'
+  PARTIALLY_BINDED = 'partially_binded'
+  NOT_BINDED = 'not_binded'
+
   def import
     import_th6_file && save
   end
@@ -50,7 +54,30 @@ class BankStatement < ActiveRecord::Base
     nil
   end
 
-  def bind_with_invoices
-    bank_transactions.unbinded.each(&:bind_with_invoice)
+  # TODO: Cache this to database so it can be used for searching
+  def status
+    if bank_transactions.unbinded.count == bank_transactions.count
+      NOT_BINDED
+    elsif bank_transactions.unbinded.count == 0
+      FULLY_BINDED
+    else
+      PARTIALLY_BINDED
+    end
+  end
+
+  def not_binded?
+    status == NOT_BINDED
+  end
+
+  def partially_binded?
+    status == PARTIALLY_BINDED
+  end
+
+  def fully_binded?
+    status == FULLY_BINDED
+  end
+
+  def bind_invoices
+    bank_transactions.unbinded.each(&:bind_invoice)
   end
 end

app/models/bank_transaction.rb

@@ -8,10 +8,15 @@ class BankTransaction < ActiveRecord::Base
     account_activity.present?
   end
 
+  def binded_invoice
+    return unless binded?
+    account_activity.invoice
+  end
+
   # For successful binding, reference number, invoice id and sum must match with the invoice
   # rubocop: disable Metrics/PerceivedComplexity
   # rubocop: disable Metrics/CyclomaticComplexity
-  def bind_with_invoice
+  def bind_invoice
     return if binded?
     registrar = Registrar.find_by(reference_no: reference_no)
     return unless registrar

app/models/invoice.rb

@@ -7,6 +7,10 @@ class Invoice < ActiveRecord::Base
   validates :invoice_type, :due_date, :currency, :seller_name,
             :seller_iban, :buyer_name, :invoice_items, :vat_prc, presence: true
 
+  def to_s
+    I18n.t('invoice_no', no: id)
+  end
+
   def seller_address
     [seller_street, seller_city, seller_state, seller_zip].reject(&:blank?).compact.join(', ')
   end