From 6e43094d1037639bb481e3b6940f8bc5095603ec Mon Sep 17 00:00:00 2001
From: Naomi <naomiaro@gmail.com>
Date: Fri, 2 Aug 2013 11:18:15 -0400
Subject: [PATCH] pagination working properly (but not with filtering, have
 removed serach for now anyways.)

---
 .../application/services/HistoryService.php   | 28 +++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/airtime_mvc/application/services/HistoryService.php b/airtime_mvc/application/services/HistoryService.php
index 56e75eef9..9311be640 100644
--- a/airtime_mvc/application/services/HistoryService.php
+++ b/airtime_mvc/application/services/HistoryService.php
@@ -188,6 +188,22 @@ class Application_Service_HistoryService
 			" LEFT JOIN {$filter} USING(history_id)";
 		}
 		
+		//need to count the total rows to tell Datatables.
+		$stmt = $this->con->prepare($mainSqlQuery);
+		foreach ($paramMap as $param => $v) {
+			$stmt->bindValue($param, $v);
+		}
+		
+		if ($stmt->execute()) {
+			$totalRows = $stmt->rowCount();
+			Logging::info("Total Rows {$totalRows}");
+		}
+		else {
+			$msg = implode(',', $stmt->errorInfo());
+			Logging::info($msg);
+			throw new Exception("Error: $msg");
+		}
+		
 		//------------------------------------------------------------------------
 		//Using Datatables parameters to sort the data.
 		
@@ -224,6 +240,16 @@ class Application_Service_HistoryService
 			$mainSqlQuery.=
 			" ORDER BY {$orders}";
 		}
+		
+		$displayLength = intval($opts["iDisplayLength"]);
+		//limit the results returned.
+		if ($displayLength !== -1) {
+			$mainSqlQuery.=
+			" OFFSET :offset LIMIT :limit";
+			
+			$paramMap["offset"] = $opts["iDisplayStart"];
+			$paramMap["limit"] = $displayLength;
+		}
 			
 		$stmt = $this->con->prepare($mainSqlQuery);
 		foreach ($paramMap as $param => $v) {
@@ -240,8 +266,6 @@ class Application_Service_HistoryService
 			throw new Exception("Error: $msg");
 		}
 		
-		$totalRows = count($rows);
-		
 		//-----------------------------------------------------------------------
 		//processing results.