fix paid amount bug

database/migrations/Migration20260404083020.ts

@@ -46,7 +46,8 @@ export class Migration20260404083020 extends Migration {
         INTO v_paid
         FROM payments
         WHERE invoice_id = v_invoice_id
-        AND status = 'SUCCESS';
+        AND status = 'paid'
+        AND deleted_at IS NULL;
 
         UPDATE invoices
         SET
@@ -88,7 +89,8 @@ export class Migration20260404083020 extends Migration {
         INTO v_paid
         FROM payments
         WHERE invoice_id = v_invoice_id
-        AND status = 'paid';
+        AND status = 'paid'
+        AND deleted_at IS NULL;
 
         SELECT total
         INTO v_total

database/migrations/Migration20260524120000.ts

@@ -0,0 +1,173 @@
+import { Migration } from '@mikro-orm/migrations';
+
+export class Migration20260524120000 extends Migration {
+
+  override async up(): Promise<void> {
+    this.addSql(`
+    CREATE OR REPLACE FUNCTION recalc_invoice_totals()
+    RETURNS TRIGGER AS $$
+    DECLARE
+        v_invoice_id char(26);
+        v_subtotal int;
+        v_discount int;
+        v_tax int;
+        v_total int;
+        v_paid int;
+        v_enable_tax boolean;
+    BEGIN
+
+        v_invoice_id := COALESCE(NEW.invoice_id, OLD.invoice_id);
+
+        SELECT
+            COALESCE(SUM(sub_total),0),
+            COALESCE(SUM(discount),0)
+        INTO
+            v_subtotal,
+            v_discount
+        FROM invoice_items
+        WHERE invoice_id = v_invoice_id
+        AND deleted_at IS NULL;
+
+        SELECT enable_tax
+        INTO v_enable_tax
+        FROM invoices
+        WHERE id = v_invoice_id;
+
+        IF v_enable_tax THEN
+            v_tax := (v_subtotal - v_discount) * 0.10;
+        ELSE
+            v_tax := 0;
+        END IF;
+
+        v_total := (v_subtotal - v_discount) + v_tax;
+
+        SELECT COALESCE(SUM(amount),0)::int
+        INTO v_paid
+        FROM payments
+        WHERE invoice_id = v_invoice_id
+        AND status = 'paid'
+        AND deleted_at IS NULL;
+
+        UPDATE invoices
+        SET
+            sub_total = v_subtotal,
+            discount = v_discount,
+            tax_amount = v_tax,
+            total = v_total,
+            paid_amount = v_paid,
+            balance = v_total - v_paid
+        WHERE id = v_invoice_id;
+
+        RETURN NULL;
+    END;
+    $$ LANGUAGE plpgsql;
+    `);
+
+    this.addSql(`
+    CREATE OR REPLACE FUNCTION recalc_invoice_payments()
+    RETURNS TRIGGER AS $$
+    DECLARE
+        v_invoice_id char(26);
+        v_paid int;
+        v_total int;
+    BEGIN
+
+        v_invoice_id := COALESCE(NEW.invoice_id, OLD.invoice_id);
+
+        SELECT COALESCE(SUM(amount),0)::int
+        INTO v_paid
+        FROM payments
+        WHERE invoice_id = v_invoice_id
+        AND status = 'paid'
+        AND deleted_at IS NULL;
+
+        SELECT total
+        INTO v_total
+        FROM invoices
+        WHERE id = v_invoice_id;
+
+        UPDATE invoices
+        SET
+            paid_amount = v_paid,
+            balance = v_total - v_paid
+        WHERE id = v_invoice_id;
+
+        RETURN NULL;
+    END;
+    $$ LANGUAGE plpgsql;
+    `);
+
+    this.addSql(`
+    UPDATE invoices i
+    SET
+        paid_amount = COALESCE(p.paid_sum, 0),
+        balance = i.total - COALESCE(p.paid_sum, 0)
+    FROM (
+        SELECT invoice_id, SUM(amount)::int AS paid_sum
+        FROM payments
+        WHERE status = 'paid'
+        AND deleted_at IS NULL
+        GROUP BY invoice_id
+    ) p
+    WHERE i.id = p.invoice_id;
+    `);
+  }
+
+  override async down(): Promise<void> {
+    // Restore previous (broken) function bodies from Migration20260404083020
+    this.addSql(`
+    CREATE OR REPLACE FUNCTION recalc_invoice_totals()
+    RETURNS TRIGGER AS $$
+    DECLARE
+        v_invoice_id char(26);
+        v_subtotal int;
+        v_discount int;
+        v_tax int;
+        v_total int;
+        v_paid int;
+        v_enable_tax boolean;
+    BEGIN
+        v_invoice_id := COALESCE(NEW.invoice_id, OLD.invoice_id);
+        SELECT COALESCE(SUM(sub_total),0), COALESCE(SUM(discount),0)
+        INTO v_subtotal, v_discount
+        FROM invoice_items
+        WHERE invoice_id = v_invoice_id AND deleted_at IS NULL;
+        SELECT enable_tax INTO v_enable_tax FROM invoices WHERE id = v_invoice_id;
+        IF v_enable_tax THEN
+            v_tax := (v_subtotal - v_discount) * 0.10;
+        ELSE
+            v_tax := 0;
+        END IF;
+        v_total := (v_subtotal - v_discount) + v_tax;
+        SELECT COALESCE(SUM(amount),0) INTO v_paid
+        FROM payments
+        WHERE invoice_id = v_invoice_id AND status = 'SUCCESS';
+        UPDATE invoices SET sub_total = v_subtotal, discount = v_discount, tax_amount = v_tax,
+            total = v_total, paid_amount = v_paid, balance = v_total - v_paid
+        WHERE id = v_invoice_id;
+        RETURN NULL;
+    END;
+    $$ LANGUAGE plpgsql;
+    `);
+
+    this.addSql(`
+    CREATE OR REPLACE FUNCTION recalc_invoice_payments()
+    RETURNS TRIGGER AS $$
+    DECLARE
+        v_invoice_id char(26);
+        v_paid int;
+        v_total int;
+    BEGIN
+        v_invoice_id := COALESCE(NEW.invoice_id, OLD.invoice_id);
+        SELECT COALESCE(SUM(amount),0) INTO v_paid
+        FROM payments WHERE invoice_id = v_invoice_id AND status = 'SUCCESS';
+        SELECT total INTO v_total FROM invoices WHERE id = v_invoice_id;
+        UPDATE invoices SET paid_amount = v_paid, balance = v_total - v_paid
+        WHERE id = v_invoice_id;
+        RETURN NULL;
+    END;
+    $$ LANGUAGE plpgsql;
+    `);
+  }
+
+}