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invoice_pkg.pkb
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create or replace package body invoice_pkg
as
/*
Purpose: package handles invoices
Remarks:
Date Who Description
---------- --- -------------------------------------
05.11.2020 MBR Created
*/
function new_invoice (p_customer_id in number,
p_amount in number,
p_vat_amount in number := 0,
p_invoice_description in varchar2 := null) return number
as
l_returnvalue xy_invoice.invoice_id%type;
begin
/*
Purpose: add new invoice
Remarks:
Date Who Description
---------- --- -------------------------------------
05.11.2020 MBR Created
*/
insert into xy_invoice (invoice_amount, vat_amount, invoice_description,
invoice_status)
values (p_amount, p_vat_amount, nvl(p_invoice_description, 'Standard Invoice'),
c_status_draft)
returning invoice_id into l_returnvalue;
return l_returnvalue;
end new_invoice;
function new_invoice (p_row in xy_invoice%rowtype) return number
as
l_returnvalue xy_invoice.invoice_id%type;
begin
/*
Purpose: add new invoice row
Remarks:
Date Who Description
---------- --- -------------------------------------
05.11.2020 MBR Created
*/
insert into xy_invoice
values p_row
returning invoice_id into l_returnvalue;
return l_returnvalue;
end new_invoice;
function get_invoice (p_invoice_id in number) return xy_invoice%rowtype
as
l_returnvalue xy_invoice%rowtype;
begin
/*
Purpose: get invoice row
Remarks:
Date Who Description
---------- --- -------------------------------------
05.11.2020 MBR Created
*/
begin
select *
into l_returnvalue
from xy_invoice
where invoice_id = p_invoice_id;
exception
when no_data_found then
l_returnvalue := null;
end;
return l_returnvalue;
end get_invoice;
procedure set_invoice (p_row in xy_invoice%rowtype)
as
begin
/*
Purpose: set invoice row
Remarks:
Date Who Description
---------- --- -------------------------------------
05.11.2020 MBR Created
*/
update xy_invoice
set row = p_row
where invoice_id = p_row.invoice_id;
end set_invoice;
procedure delete_invoice (p_invoice_id in number)
as,
begin
/*
Purpose: delete invoice
Remarks:
Date Who Description
---------- --- -------------------------------------
05.11.2020 MBR Created
*/
delete
from xy_invoice
where invoice_id = p_invoice_id;
end delete_invoice;
function get_vat_amount (p_amount in number,
p_vat_code in varchar2) return number
as
l_vat_rate number;
l_returnvalue xy_invoice.vat_amount%type;
begin
/*
Purpose: get VAT amount
Remarks:
Date Who Description
---------- --- -------------------------------------
06.11.2020 MBR Created
*/
if p_vat_code = c_vat_none then
l_returnvalue := 0;
else
begin
select nvl(vat_rate,0)
into l_vat_rate
from xy_vat
where vat_code = p_vat_code;
exception
when no_data_found then
l_vat_rate := 0;
end;
l_returnvalue := (nvl(p_amount,0) * l_vat_rate) / 100;
end if;
return l_returnvalue;
end get_vat_amount;
function get_default_invoice_description (p_invoice_type in varchar2 := null) return varchar2
as
l_returnvalue xy_invoice.invoice_description%type;
begin
/*
Purpose: get default invoice description
Remarks:
Date Who Description
---------- --- -------------------------------------
06.11.2020 MBR Created
*/
l_returnvalue := case
when p_invoice_type = c_type_standard then 'Standard'
when p_invoice_type = c_type_credit_note then 'Credit Note'
else null
end;
return l_returnvalue;
end get_default_invoice_description;
end invoice_pkg;
/