Fix dashboard SQL query error, doesnt work with postgres

app/Models/User.php

@@ -350,13 +350,12 @@ class User extends Authenticatable implements IDs
 			->select([
 				'invoice_id',
 				DB::raw('invoice_items.id AS invoice_item_id'),
-				DB::raw('IFNULL(invoice_items.discount_amt,0) AS discount'),
-				DB::raw('ROUND(CAST(quantity*price_base AS decimal(8,2)),2) AS base'),
-				DB::raw('ROUND(invoice_item_taxes.amount,2) AS tax'),
-
+				DB::raw('COALESCE(invoice_items.discount_amt,0) AS discount'),
+				DB::raw('quantity*price_base AS base'),
+				DB::raw('invoice_item_taxes.amount AS tax'),
 			])
 			->leftjoin('invoice_item_taxes',['invoice_item_taxes.invoice_item_id'=>'invoice_items.id'])
-			->where('active',TRUE);
+			->where('invoice_items.active',TRUE);
 	}
 
 	/**
@@ -381,6 +380,7 @@ class User extends Authenticatable implements IDs
 	 *
 	 * @return \Illuminate\Database\Query\Builder
 	 * @todo change this to just return outstanding invoices as a collection.
+	 * @deprecated Use account->invoiceSummary
 	 */
 	public function query_invoice_summary()
 	{
@@ -390,23 +390,23 @@ class User extends Authenticatable implements IDs
 				DB::raw('SUM(discount) AS discount'),
 				DB::raw('SUM(base) AS base'),
 				DB::raw('SUM(tax) AS tax'),
-				DB::raw('ROUND(SUM(base)+SUM(tax)-SUM(discount),2) AS total'),
-				DB::raw('false AS payments'),
-				DB::raw('false AS payment_fees'),
+				DB::raw('base+tax-discount AS total'),
+				DB::raw('0 AS payments'),
+				DB::raw('0 AS payment_fees'),
 			])
 			->from($this->query_invoice_items(),'II')
 			->join('invoices',['invoices.id'=>'II.invoice_id'])
 			->whereIN('account_id',$this->accounts->pluck('id'))
 			->where('invoices.active',TRUE)
-			->groupBy(['invoice_id']);
+			->groupBy(['invoice_id','base','tax','discount']);
 
 		$payments = (new Payment)
 			->select([
 				'invoice_id',
-				DB::raw('false AS discount'),
-				DB::raw('false AS base'),
-				DB::raw('false AS tax'),
-				DB::raw('false AS total'),
+				DB::raw('0 AS discount'),
+				DB::raw('0 AS base'),
+				DB::raw('0 AS tax'),
+				DB::raw('0 AS total'),
 				DB::raw('SUM(allocate) AS payments'),
 				DB::raw('SUM(fees_amt) AS payment_fees'),
 			])
@@ -442,11 +442,12 @@ class User extends Authenticatable implements IDs
 				'invoice_total',
 				'payments',
 				'payment_fees',
-				DB::raw('ROUND(invoice_total-payments,2) AS balance'),
+				DB::raw('invoice_total-payments AS balance'),
 			])
 			->join('invoices',['invoices.id'=>'invoice_id'])
 			->with(['items.taxes'])
-			->from($summary,'summary');
+			->from($summary,'summary')
+			->groupBy(['id','account_id','discount','invoice_base','invoice_tax','invoice_total','payments','payment_fees']);
 	}
 
 	/**