[ADD] sepa: support for Purpose Code

account_banking_pain_base/models/account_payment_line.py

@@ -55,6 +55,111 @@ class AccountPaymentLine(models.Model):
         ], string="Category Purpose",
         help="If neither your bank nor your local regulations oblige you to "
         "set the category purpose, leave the field empty.")
+    purpose = fields.Selection(
+        # Full category purpose list found on:
+        # https://www.iso20022.org/external_code_list.page
+        # Document "External Code Sets spreadsheet" version 31 August, 2018
+        selection=[
+            ('ACCT', 'Account Management'),
+            ('CASH', 'Cash Management Transfer'),
+            ('COLL', 'Collection Payment'),
+            ('INTC', 'Intra Company Payment'),
+            ('LIMA', 'Liquidity Management'),
+            ('NETT', 'Netting'),
+            ('AGRT', 'Agricultural Transfer'),
+            ('BEXP', 'Business Expenses'),
+            ('COMC', 'Commercial Payment'),
+            ('CPYR', 'Copyright'),
+            ('GDDS', 'Purchase Sale Of Goods'),
+            ('LICF', 'License Fee'),
+            ('ROYA', 'Royalties'),
+            ('SCVE', 'Purchase Sale Of Services'),
+            ('SUBS', 'Subscription'),
+            ('SUPP', 'Supplier Payment'),
+            ('TRAD', 'Trade Services'),
+            ('CHAR', 'Charity Payment'),
+            ('COMT', 'Consumer Third Party Consolidated Payment'),
+            ('CLPR', 'Car Loan Principal Repayment'),
+            ('GOVI', 'Government Insurance'),
+            ('HLRP', 'Housing Loan Repayment'),
+            ('INSU', 'Insurance Premium'),
+            ('INTE', 'Interest'),
+            ('LBRI', 'Labor Insurance'),
+            ('LIFI', 'Life Insurance'),
+            ('LOAN', 'Loan'),
+            ('LOAR', 'Loan Repayment'),
+            ('PPTI', 'Property Insurance'),
+            ('RINP', 'Recurring Installment Payment'),
+            ('TRFD', 'Trust Fund'),
+            ('ADVA', 'Advance Payment'),
+            ('CCRD', 'Credit Card Payment '),
+            ('CFEE', 'Cancellation Fee'),
+            ('COST', 'Costs'),
+            ('DCRD', 'Debit  Card  Payment'),
+            ('GOVT', 'Government Payment'),
+            ('IHRP', 'Instalment Hire Purchase Agreement'),
+            ('INSM', 'Installment'),
+            ('MSVC', 'Multiple Service Types'),
+            ('NOWS', 'Not Otherwise Specified'),
+            ('OFEE', 'Opening Fee'),
+            ('OTHR', 'Other'),
+            ('PADD', 'Preauthorized debit'),
+            ('PTSP', 'Payment Terms'),
+            ('RCPT', 'Receipt Payment'),
+            ('RENT', 'Rent'),
+            ('STDY', 'Study'),
+            ('ANNI', 'Annuity'),
+            ('CMDT', 'Commodity Transfer'),
+            ('DERI', 'Derivatives'),
+            ('DIVD', 'Dividend'),
+            ('FREX', 'Foreign Exchange'),
+            ('HEDG', 'Hedging'),
+            ('PRME', 'Precious Metal'),
+            ('SAVG', 'Savings'),
+            ('SECU', 'Securities'),
+            ('TREA', 'Treasury Payment'),
+            ('ANTS', 'Anesthesia Services'),
+            ('CVCF', 'Convalescent Care Facility'),
+            ('DMEQ', 'Durable Medicale Equipment'),
+            ('DNTS', 'Dental Services'),
+            ('HLTC', 'Home Health Care'),
+            ('HLTI', 'Health Insurance'),
+            ('HSPC', 'Hospital Care'),
+            ('ICRF', 'Intermediate Care Facility'),
+            ('LTCF', 'Long Term Care Facility'),
+            ('MDCS', 'Medical Services'),
+            ('VIEW', 'Vision Care'),
+            ('ALMY', 'Alimony Payment'),
+            ('BECH', 'Child Benefit'),
+            ('BENE', 'Unemployment Disability Benefit'),
+            ('BONU', 'Bonus Payment.'),
+            ('COMM', 'Commission'),
+            ('PENS', 'Pension Payment'),
+            ('PRCP', 'Price Payment'),
+            ('SALA', 'Salary Payment'),
+            ('SSBE', 'Social Security Benefit'),
+            ('ESTX', 'Estate Tax'),
+            ('HSTX', 'Housing Tax'),
+            ('INTX', 'Income Tax'),
+            ('TAXS', 'Tax Payment'),
+            ('VATX', 'Value Added Tax Payment'),
+            ('AIRB', 'Air'),
+            ('BUSB', 'Bus'),
+            ('FERB', 'Ferry'),
+            ('RLWY', 'Railway'),
+            ('CBTV', 'Cable TV Bill'),
+            ('ELEC', 'Electricity Bill'),
+            ('ENRG', 'Energies'),
+            ('GASB', 'Gas Bill'),
+            ('NWCH', 'Network Charge'),
+            ('NWCM', 'Network Communication'),
+            ('OTLC', 'Other Telecom Related Bill'),
+            ('PHON', 'Telephone Bill'),
+            ('WTER', 'Water Bill'),
+        ],
+        help="If neither your bank nor your local regulations oblige you to "
+             "set the category purpose, leave the field empty.",
+    )
     # PAIN allows 140 characters
     communication = fields.Char(size=140)
     # The field struct_communication_type has been dropped in v9

account_banking_pain_base/models/bank_payment_line.py

@@ -14,10 +14,12 @@ class BankPaymentLine(models.Model):
         string='Local Instrument')
     category_purpose = fields.Selection(
         related='payment_line_ids.category_purpose', string='Category Purpose')
+    purpose = fields.Selection(
+        related='payment_line_ids.purpose')
 
     @api.model
     def same_fields_payment_line_and_bank_payment_line(self):
         res = super(BankPaymentLine, self).\
             same_fields_payment_line_and_bank_payment_line()
-        res += ['priority', 'local_instrument', 'category_purpose']
+        res += ['priority', 'local_instrument', 'category_purpose', 'purpose']
         return res

account_banking_pain_base/views/account_payment_line.xml

@@ -15,6 +15,7 @@
             <field name="priority"/>
             <field name="local_instrument"/>
             <field name="category_purpose"/>
+            <field name="purpose"/>
         </field>
     </field>
 </record>

account_banking_pain_base/views/bank_payment_line_view.xml

@@ -15,6 +15,7 @@
             <field name="priority"/>
             <field name="local_instrument"/>
             <field name="category_purpose"/>
+            <field name="purpose"/>
         </field>
     </field>
 </record>