economic = Economic::Session.new

# Connect using a Private app ID and an access ID provided by the "Grant Access"
# As described here: https://www.e-conomic.com/developer/connect
economic = Economic::Session.new
economic.connect_with_token 'the_private_app_id', 'the_access_id_you_got_from_the_grant'

# Find a debtor:
debtor = economic.debtors.find(:number => 101)

# Creating a debtor:
debtor = economic.debtors.build

debtor.number = economic.debtors.next_available_number
debtor.debtor_group_handle = { :number => 1 }
debtor.name = 'Bob'
debtor.vat_zone = 'HomeCountry' # HomeCountry, EU, Abroad
debtor.currency_handle = { :code => 'DKK' }
debtor.price_group_handle = { :number => 1 }
debtor.is_accessible = true
debtor.ci_number = '12345678'
debtor.term_of_payment_handle = { :id => 1 }
debtor.layout_handle = { :id => 16 }
debtor.save

# Create invoice for debtor:
current_invoice = debtor.current_invoices.build
current_invoice.term_of_payment_handle = debtor.term_of_payment_handle

current_invoice.date = Time.now
current_invoice.due_date = Time.now + 15
current_invoice.exchange_rate = 100
current_invoice.is_vat_included = false

invoice_line = Economic::CurrentInvoiceLine.new
invoice_line.description = 'Line on invoice'
invoice_line.unit_handle = { :number => 1 }
invoice_line.product_handle = { :number => 101 }
invoice_line.quantity = 12
invoice_line.unit_net_price = 19.95
current_invoice.lines << invoice_line

current_invoice.save

# You can delete it by doing:
# current_invoice.destroy

invoice = current_invoice.book

# Create a debtor payment

cash_book = economic.cash_books.all.last # Or find it by its number

# The reason debtor payments are done this way is because we don't want to specify the voucher number. If we build the cash book entry ourselves,
# without specifying the voucher number, the API will complain. This way, E-Conomics will assign a voucher number for us.

cash_book_entry = cash_book.entries.create_debtor_payment(:debtor_handle => debtor.handle, :contra_account_handle => { :number => '1920' })
cash_book_entry.amount = -123.45
cash_book_entry.currency_handle = { "Code" => "DKK" }
cash_book_entry.debtor_invoice_number = invoice.number
cash_book_entry.text = "Payment, invoice #{ invoice.number }"
cash_book_entry.save

cash_book.book

# Find a product:
product = economic.products.find(1234)

# Creating a product:
product = economic.products.build
product.number = 'ESC2014-LED-DISPLAY'
product.product_group_handle = { :number => 1 }
product.name = '100 meter LED display'
product.sales_price = 999999
product.cost_price = 100000
product.recommended_price = 999999
product.is_accessible = true
product.volume = 1
product.save

                   | Create | Read | Update | Delete
-------------------+--------+------+--------+-------
CashBook           | X      | X    | X      | X
CashBookEntry      | X      | X    | X      | X
Company            | X      | X    | X      | X
Creditor           | X      | X    | X      | X
CreditorEntry      | X      | X    |        |
CreditorContact    | X      | X    | X      | X
CreditorEntry      | X      | X    | X      | X
CurrentInvoice     | X      | X    | X      | X
CurrentInvoiceLine | X      | X    | X      | X
Debtor             | X      | X    | X      | X
DebtorContact      | X      | X    | X      | X
DebtorEntry        | X      | X    | X      | X
Entry              | X      | X    | X      | X
Invoice            | X      | X    |        |
Order              |        | X    |        |
OrderLine          |        | X    | X      |
Product            | X      | X    | X      | X