alter table tva_rate add tva_both_side integer ;
alter table tva_rate alter tva_both_side set default 0;
update tva_rate set tva_both_side=0;

----------------------------------------------------------------------
-- TVA MODIFY
----------------------------------------------------------------------
drop FUNCTION comptaproc.tva_modify(integer, text, numeric, text, text);

CREATE OR REPLACE FUNCTION comptaproc.tva_modify(integer, text, numeric, text, text,integer)
 RETURNS integer
AS $function$
declare
	p_tva_id alias for $1;
	p_tva_label alias for $2;
	p_tva_rate alias for $3;
	p_tva_comment alias for $4;
	p_tva_poste alias for $5;
	p_tva_both_side alias for $6;
	debit text;
	credit text;
	nCount integer;
begin
if length(trim(p_tva_label)) = 0 then
	return 3;
end if;

if length(trim(p_tva_poste)) != 0 then
	if position (',' in p_tva_poste) = 0 then return 4; end if;
	debit  = split_part(p_tva_poste,',',1);
	credit	= split_part(p_tva_poste,',',2);
	select count(*) into nCount from tmp_pcmn where pcm_val=debit::account_type;
	if nCount = 0 then return 4; end if;
	select count(*) into nCount from tmp_pcmn where pcm_val=credit::account_type;
	if nCount = 0 then return 4; end if;

end if;
update tva_rate set tva_label=p_tva_label,tva_rate=p_tva_rate,tva_comment=p_tva_comment,tva_poste=p_tva_poste,tva_both_side=p_tva_both_side
	where tva_id=p_tva_id;
return 0;
end;
$function$
 LANGUAGE plpgsql;

----------------------------------------------------------------------
-- TVA INSERT
----------------------------------------------------------------------

drop FUNCTION comptaproc.tva_insert(text, numeric, text, text);

CREATE OR REPLACE FUNCTION comptaproc.tva_insert(text, numeric, text, text,integer)
 RETURNS integer
AS $function$
declare
	l_tva_id integer;
	p_tva_label alias for $1;
	p_tva_rate alias for $2;
	p_tva_comment alias for $3;
	p_tva_poste alias for $4;
	p_tva_both_side alias for $5;
	debit text;
	credit text;
	nCount integer;
begin
if length(trim(p_tva_label)) = 0 then
	return 3;
end if;

if length(trim(p_tva_poste)) != 0 then
	if position (',' in p_tva_poste) = 0 then return 4; end if;
	debit  = split_part(p_tva_poste,',',1);
	credit	= split_part(p_tva_poste,',',2);
	select count(*) into nCount from tmp_pcmn where pcm_val=debit::account_type;
	if nCount = 0 then return 4; end if;
	select count(*) into nCount from tmp_pcmn where pcm_val=credit::account_type;
	if nCount = 0 then return 4; end if;

end if;
select into l_tva_id nextval('s_tva') ;
insert into tva_rate(tva_id,tva_label,tva_rate,tva_comment,tva_poste,tva_both_side)
	values (l_tva_id,p_tva_label,p_tva_rate,p_tva_comment,p_tva_poste,p_tva_both_side);
return 0;
end;
$function$
 LANGUAGE plpgsql;