set client_encoding='LATIN1';

CREATE OR REPLACE FUNCTION      ProductAttribute 
(
    p_M_AttributeSetInstance_ID     NUMERIC
)
RETURNS VARCHAR AS $body$

/*************************************************************************
 * The contents of this file are subject to the Compiere License.  You may
 * obtain a copy of the License at    http://www.compiere.org/license.html 
 * Software is on an  "AS IS" basis,  WITHOUT WARRANTY OF ANY KIND, either 
 * express or implied. See the License for details. Code: Compiere ERP+CRM
 * Copyright (C) 1999-2001 Jorg Janke, ComPiere, Inc. All Rights Reserved.
 *
 * converted to postgreSQL by Karsten Thiemann (Schaeffer AG), 
 * kthiemann@adempiere.org
 *************************************************************************
 * Title: Return Instance Attribute Info
 * Description:
 *  
 * Test:
    SELECT ProductAttribute (M_AttributeSetInstance_ID) 
    FROM M_InOutLine WHERE M_AttributeSetInstance_ID > 0
    --
    SELECT p.Name
    FROM C_InvoiceLine il LEFT OUTER JOIN M_Product p ON (il.M_Product_ID=p.M_Product_ID);
    SELECT p.Name || ProductAttribute (il.M_AttributeSetInstance_ID) 
    FROM C_InvoiceLine il LEFT OUTER JOIN M_Product p ON (il.M_Product_ID=p.M_Product_ID);
    
 ************************************************************************/

	
DECLARE

    v_Name          VARCHAR(2000) := '';
    v_NameAdd       VARCHAR(2000) := '';
    --
    v_Lot           M_AttributeSetInstance.Lot%TYPE;
    v_LotStart      M_AttributeSet.LotCharSOverwrite%TYPE;
    v_LotEnd        M_AttributeSet.LotCharEOverwrite%TYPE;
    v_SerNo         M_AttributeSetInstance.SerNo%TYPE;
    v_SerNoStart    M_AttributeSet.SerNoCharSOverwrite%TYPE;
    v_SerNoEnd      M_AttributeSet.SerNoCharEOverwrite%TYPE;
    v_GuaranteeDate M_AttributeSetInstance.GuaranteeDate%TYPE;
    
    r   RECORD;
    --

BEGIN
    --  Get Product Attribute Set Instance
    IF (p_M_AttributeSetInstance_ID > 0) THEN
        SELECT asi.Lot, asi.SerNo, asi.GuaranteeDate,
            COALESCE(a.SerNoCharSOverwrite, '#'::CHAR(1)), COALESCE(a.SerNoCharEOverwrite, ''::CHAR(1)),
            COALESCE(a.LotCharSOverwrite, '«'::CHAR(1)), COALESCE(a.LotCharEOverwrite, '»'::CHAR(1))
          INTO v_Lot, v_SerNo, v_GuaranteeDate,
            v_SerNoStart, v_SerNoEnd, v_LotStart, v_LotEnd
        FROM M_AttributeSetInstance asi
          INNER JOIN M_AttributeSet a ON (asi.M_AttributeSet_ID=a.M_AttributeSet_ID)
        WHERE asi.M_AttributeSetInstance_ID=p_M_AttributeSetInstance_ID;
        --
        IF (v_SerNo IS NOT NULL) THEN
            v_NameAdd := v_NameAdd || v_SerNoStart || v_SerNo || v_SerNoEnd || ' ';
        END IF;
        IF (v_Lot IS NOT NULL) THEN
            v_NameAdd := v_NameAdd || v_LotStart || v_Lot || v_LotEnd || ' ';
        END IF;
        IF (v_GuaranteeDate IS NOT NULL) THEN
            v_NameAdd := v_NameAdd || v_GuaranteeDate || ' ';
        END IF;
        --
        
        FOR r IN
	     SELECT ai.Value, a.Name
	        FROM M_AttributeInstance ai
	        INNER JOIN M_Attribute a ON (ai.M_Attribute_ID=a.M_Attribute_ID AND a.IsInstanceAttribute='Y')
        	WHERE ai.M_AttributeSetInstance_ID=p_M_AttributeSetInstance_ID
    	LOOP
            v_NameAdd := v_NameAdd || r.Name || ':' || r.Value || ' ';
        END LOOP;
        --
        IF (LENGTH(v_NameAdd) > 0) THEN
            v_Name := v_Name || ' (' || TRIM(v_NameAdd) || ')';
	ELSE 
	    v_Name := NULL;
        END IF;
    END IF;
    RETURN v_Name;
END;

$body$ LANGUAGE plpgsql;
 	  	 
