Add import route for bank_transactions

app/controllers/finance/bank_accounts_controller.rb

@@ -5,4 +5,18 @@ class Finance::BankAccountsController < Finance::BaseController
     redirect_to finance_bank_account_transactions_url(@bank_accounts.first) if @bank_accounts.count == 1
   end
 
+  def import
+    @bank_account = BankAccount.find(params[:id])
+    import_method = @bank_account.find_import_method
+    if import_method
+      count = import_method.call(@bank_account)
+      redirect_to finance_bank_account_transactions_url(@bank_account), notice: t('finance.bank_accounts.controller.import.notice', count: count)
+    else
+      # @todo add import for csv files as fallback
+      redirect_to finance_bank_account_transactions_url(@bank_account), alert: t('finance.bank_accounts.controller.import.no_import_method')
+    end
+  rescue => error
+    redirect_to finance_bank_account_transactions_url(@bank_account), alert: t('errors.general_msg', msg: error.message)
+  end
+
 end

app/models/bank_account.rb

@@ -9,4 +9,7 @@ class BankAccount < ActiveRecord::Base
   validates_format_of :iban, :with => /\A[A-Z]{2}[0-9]{2}[0-9A-Z]{,30}\z/
   validates_numericality_of :balance, :message => I18n.t('bank_account.model.invalid_balance')
 
+  # @return [Function] Method wich can be called to import transaction from a bank or nil if unsupported
+  def find_import_method
+  end
 end

app/views/finance/bank_transactions/index.html.haml

@@ -1,5 +1,8 @@
 - title t('.title', name: @bank_account.name, balance: number_to_currency(@bank_account.balance))
 
+- content_for :actionbar do
+  = link_to t('.import_transaction'), import_finance_bank_account_path(@bank_account), class: 'btn btn-primary'
+
 .well.well-small
   = form_tag finance_bank_account_transactions_path, :method => :get, :remote => true,
     'data-submit-onchange' => true, class: 'form-search' do