1 files changed, 146 insertions, 0 deletions
diff --git a/sql/modules/Payment.sql b/sql/modules/Payment.sql
new file mode 100644
index 00000000..6ecce576
--- /dev/null
+++ b/sql/modules/Payment.sql
@@ -0,0 +1,146 @@
+
+CREATE OR REPLACE FUNCTION payment_get_open_accounts(in_account_class int) 
+returns SETOF entity AS
+$$
+DECLARE out_entity entity%ROWTYPE;
+BEGIN
+	FOR out_entity IN
+		SELECT * FROM entity 
+		WHERE id IN (SELECT entity_id FROM entity_credit_account
+				WHERE entity_class = in_account_class)
+		      AND CASE WHEN in_account_class = 1 THEN
+				id IN (SELECT entity_id FROM ap 
+					WHERE amount <> paid
+					GROUP BY entity_id)
+			       WHEN in_account_class = 2 THEN
+				id IN (SELECT entity_id FROM ar
+					WHERE amount <> paid
+					GROUP BY entity_id)
+			  END
+	LOOP
+		RETURN NEXT out_entity;
+	END LOOP;
+END;
+$$ LANGUAGE PLPGSQL;
+
+CREATE OR REPLACE FUNCTION get_all_accounts(in_account_class int) 
+RETURNS SETOF entity AS
+$$
+DECLARE out_entity entity%ROWTYPE;
+BEGIN
+	FOR out_entity IN
+		SELECT * FROM entity
+		WHERE id IN (seLECT entity_id FROM entity_credit_account
+				WHERE entity_class = in_account_class)
+	LOOP
+		RETURN NEXT out_entity;
+	END LOOP;
+END;
+$$ LANGUAGE PLPGSQL;
+
+CREATE TYPE payment_invoice AS (
+	invoice_id int,
+	invnumber text,
+	invoice_date date,
+	amount numeric,
+	discount numeric,
+	due numeric
+);
+
+CREATE OR REPLACE FUNCTION payment_get_open_invoices
+(in_account_class int, in_entity_id int, in_currency char(3))
+RETURNS SETOF payment_invoice AS
+$$
+DECLARE payment_inv payment_invoice;
+BEGIN
+	FOR payment_inv IN
+		SELECT a.id AS invoice_id, a.invnumber, 
+		       a.transdate AS invoice_date, a.amount, 
+		       CASE WHEN discount_terms 
+		                 > extract('days' FROM age(a.transdate))
+		            THEN 0
+		            ELSE (a.amount - a.paid) * c.discount / 100  
+		       END AS discount,
+		       a.amount - a.paid - 
+		       CASE WHEN discount_terms 
+		                 > extract('days' FROM age(a.transdate))
+		            THEN 0
+		            ELSE (a.amount - a.paid) * c.discount / 100  
+		       END AS due
+		  FROM (SELECT id, invnumber, transdate, amount, entity_id,
+		               1 as invoice_class, paid, curr
+		          FROM ap
+                         UNION
+		        SELECT id, invnumber, transdate, amount, entity_id,
+		               2 AS invoice_class, paid, curr
+		          FROM ar
+		       ) a
+		  JOIN entity_credit_account c USING (entity_id)
+		 WHERE a.invoice_class = in_account_class
+		       AND c.entity_class = in_account_class
+		       AND a.curr = in_currency
+	LOOP
+		RETURN NEXT payment_inv;
+	END LOOP;
+END;
+$$ LANGUAGE PLPGSQL;
+
+CREATE TYPE payment_contact_invoice AS (
+	contact_id int,
+	contact_name text,
+	account_number text,
+	total_due numeric,
+	invoices text[]
+);
+
+CREATE OR REPLACE FUNCTION payment_get_all_contact_invoices
+(in_account_class int, in_business_type int, in_currency char(3),
+	in_date_from date, in_date_to date, in_batch_id int)
+RETURNS SETOF payment_contact_invoice AS
+$$
+DECLARE payment_item payment_contact_invoice;
+BEGIN
+	FOR payment_item IN
+		  SELECT e.id AS contact_id, e.name AS contact_name,
+		         c.meta_number AS account_number,
+		         sum(a.amount - a.paid) AS total_due, 
+		         compound_array(ARRAY[[
+		              a.id::text, a.invnumber, a.transdate::text, 
+		              a.amount::text, 
+		              (CASE WHEN c.discount_terms 
+		                        > extract('days' FROM age(a.transdate))
+		                   THEN 0
+		                   ELSE (a.amount - a.paid) * c.discount / 100
+		              END)::text, 
+		              (a.amount - a.paid -
+		              CASE WHEN c.discount_terms 
+		                        > extract('days' FROM age(a.transdate))
+		                   THEN 0
+		                   ELSE (a.amount - a.paid) * c.discount / 100
+		              END)::text]]) 
+		    FROM entity e
+		    JOIN entity_credit_account c ON (e.id = c.entity_id)
+		    JOIN (SELECT id, invnumber, transdate, amount, entity_id, 
+		                 paid, curr, 1 as invoice_class 
+		            FROM ap
+		           UNION
+		          SELECT id, invnumber, transdate, amount, entity_id,
+		                 paid, curr, 2 as invoice_class
+		            FROM ar
+		         ) a USING (entity_id)
+		   WHERE a.invoice_class = in_account_class
+		         AND ((a.transdate >= in_date_from
+		               AND a.transdate <= in_date_to)
+		             OR a.id IN (select voucher.trans_id FROM voucher
+		                          WHERE batch_id = in_batch_id))
+		         AND c.entity_class = in_account_class
+		         AND a.curr = in_currency
+		GROUP BY e.id, e.name, c.meta_number, c.threshold
+		  HAVING sum(amount - a.paid) > c.threshold
+	LOOP
+		RETURN NEXT payment_item;
+	END LOOP;
+END;
+$$ LANGUAGE plpgsql;
+
+