public function export($type, $id, $vaccine) {
		//Retrieve the user identifier
		$from = $this -> session -> userdata('external_from');
		$to = $this -> session -> userdata('external_to');
		if ($to == false) {
			$to = date("U", mktime(0, 0, 0, 1, 1, date("Y") + 1));
		}
		if ($from == false) {
			$from = date("U", mktime(0, 0, 0, 1, 1, date('Y')));
		}

		$offset = 0;
		$items_per_page = 1000;
		$district = $this -> session -> userdata('external_district');
		$region = $this -> session -> userdata('external_region');
		$order_by = $this -> session -> userdata('external_order_by');
		$order = $this -> session -> userdata('external_order');
		$origin_region = $id;
		$origin_district = $id;
		$disbursements = null;

		$data = null;
		if ($type == "national_officer") {//National Level

			if ($order == 2) {
				$balance = Disbursements::getNationalPeriodBalance($vaccine, $from);
			} else if ($order == "DESC") {
				$balance = Disbursements::getNationalPeriodBalance($vaccine, $to);
			}
			$disbursements = Disbursements::getNationalDisbursements($vaccine, $from, $to, $offset, $items_per_page, $district, $region, $order_by, $order, $balance);
		} else if ($type == 0) {//Regional Level
			if ($order == "ASC") {
				$balance = Disbursements::getRegionalPeriodBalance($origin_region, $vaccine, $from);
			} else if ($order == "DESC") {
				$balance = Disbursements::getRegionalPeriodBalance($origin_region, $vaccine, $to);
			}
			$disbursements = Disbursements::getRegionalDisbursements($origin_region, $vaccine, $from, $to, $offset, $items_per_page, $district, $region, $order_by, $order, $balance);

		} else if ($type == 1) {//District Level
			if ($order == "ASC") {
				$balance = Disbursements::getDistrictPeriodBalance($origin_district, $vaccine, $from);
			} else if ($order == "DESC") {
				$balance = Disbursements::getDistrictPeriodBalance($origin_district, $vaccine, $to);
			}
			$disbursements = Disbursements::getDistrictDisbursements($origin_district, $vaccine, $from, $to, $offset, $items_per_page, $district, $region, $order_by, $order, $balance);

		}

		$reducing_balance = $balance;
		$headers = "Balance From Previous Period: " . $balance . "\t\nDate Issued\t Vaccines To/From \t Amount Received\t Amount Issued \tStore Balance\t Voucher Number\t Batch Number\t Vaccine Expiry Date\t Recorded By\t\n";
		foreach ($disbursements as $disbursement) {
			$data .= $disbursement -> Date_Issued . "\t";
			//If the vaccines were issued to a Region, display the name
			if ($disbursement -> Issued_To_Region != null && $disbursement -> Issued_To_Region != $origin_region) {
				$data .= $disbursement -> Region_Issued_To -> name . "\t";
				$data .= " \t" . $disbursement -> Quantity . "\t";
			}
			//If the vaccines were received from a region (apart from ourselves ofcourse) display the name
			if ($disbursement -> Issued_By_Region != null && $disbursement -> Issued_By_Region != $origin_region) {
				$data .= $disbursement -> Region_Issued_By -> name . "\t";
				$data .= $disbursement -> Quantity . "\t\t";
			}

			//If the vaccines were issued to a District other than ourselves, display the name
			if ($disbursement -> Issued_To_District != null && $disbursement -> Issued_To_District != $origin_district) {
				$data .= $disbursement -> District_Issued_To -> name . "\t";
				$data .= " \t" . $disbursement -> Quantity . "\t";
			}
			//If the vaccines were received from a district (apart from ourselves ofcourse) display the name
			if ($disbursement -> Issued_By_District != null && $disbursement -> Issued_By_District != $origin_district) {
				$data .= $disbursement -> District_Issued_By -> name . "\t";
				$data .= $disbursement -> Quantity . "\t\t";
			}

			//If the vaccines were issued the Central store, Display UNICEF as the source
			if ($disbursement -> Issued_To_National == "0") {
				$data .= "UNICEF\t";
				$data .= $disbursement -> Quantity . "\t\t";
			}

			//If the vaccines were issued by Central store and if this is not the national store, Display National Store as the source
			if ($disbursement -> Issued_By_National == "0" && $type != 2) {
				$data .= "Central Vaccine Stores\t";
				$data .= $disbursement -> Quantity . "\t\t";
			}
			$data .= $disbursement -> Total_Stock_Balance . "\t";
			$data .= $disbursement -> Voucher_Number . "\t";
			$data .= $disbursement -> Batch_Number . "\t";
			$data .= $disbursement -> Batch -> Expiry_Date . "\t";
			$data .= $disbursement -> User -> Full_Name . "\t";
			$data .= "\n";
		}

		header("Content-type: application/vnd.ms-excel; name='excel'");
		header("Content-Disposition: filename=stock_ledger_export.xls");
		// Fix for crappy IE bug in download.
		header("Pragma: ");
		header("Cache-Control: ");
		echo $headers . $data;

	}
 public function export($vaccine)
 {
     //Retrieve the user identifier
     $level = $this->session->userdata('user_identifier');
     $from = $this->session->userdata('from');
     $to = $this->session->userdata('to');
     $offset = 0;
     $items_per_page = 100;
     $district = $this->session->userdata('district');
     $region = $this->session->userdata('region');
     $order_by = $this->session->userdata('order_by');
     $order = $this->session->userdata('order');
     $region = $this->session->userdata('district_province_id');
     $disbursements = null;
     $data = null;
     if ($level == "national_officer") {
         //National Level
         $disbursements = Disbursements::getNationalDisbursements($vaccine, $from, $to, $offset, $items_per_page, $district, $region, $order_by, $order);
         $balance = Disbursements::getNationalPeriodBalance($vaccine, $from);
     } else {
         if ($level == "provincial_officer") {
             //Regional Level
             $disbursements = Disbursements::getRegionalDisbursements($region, $vaccine, $from, $to, $offset, $items_per_page, $district, $region);
             $balance = Disbursements::getRegionalPeriodBalance($region, $vaccine, $from);
         }
     }
     $reducing_balance = $balance;
     $headers = "Balance From Previous Period: " . $balance . "\t\nDate Issued\t Vaccines To/From \t Amount Received\t Amount Issued \t Store Balance\t Voucher Number\t Batch Number\t Vaccine Expiry Date\t Recorded By\t\n";
     foreach ($disbursements as $disbursement) {
         $data .= $disbursement->Date_Issued . "\t";
         //If the vaccines were issued to a Region, display the name
         if ($disbursement->Issued_To_Region != null) {
             $data .= $disbursement->Region_Issued_To->name . "\t";
             $data .= " \t" . $disbursement->Quantity . "\t";
             $reducing_balance -= $disbursement->Quantity;
         }
         //If the vaccines were received from a region (apart from ourselves ofcourse) display the name
         if ($disbursement->Issued_By_Region != null && $disbursement->Issued_By_Region != $region) {
             $data .= $disbursement->Region_Issued_By->name . "\t";
             $data .= $disbursement->Quantity . "\t\t";
             $reducing_balance += $disbursement->Quantity;
         }
         //If the vaccines were issued to a Region, display the name
         if ($disbursement->Issued_To_District != null) {
             $data .= $disbursement->District_Issued_To->name . "\t";
             $data .= " \t" . $disbursement->Quantity . "\t";
             $reducing_balance -= $disbursement->Quantity;
         }
         //If the vaccines were issued the Central store, Display UNICEF as the source
         if ($disbursement->Issued_To_National == "0") {
             $data .= "UNICEF\t";
             $data .= $disbursement->Quantity . "\t\t";
             $reducing_balance += $disbursement->Quantity;
         }
         //If the vaccines were issued by Central store and if this is not the national store, Display National Store as the source
         if ($disbursement->Issued_By_National == "0" && $level != 1) {
             $data .= "Central Vaccine Stores\t";
             $data .= $disbursement->Quantity . "\t\t";
             $reducing_balance += $disbursement->Quantity;
         }
         $data .= $reducing_balance . "\t";
         $data .= $disbursement->Voucher_Number . "\t";
         $data .= $disbursement->Batch_Number . "\t";
         $data .= $disbursement->Batch->Expiry_Date . "\t";
         $data .= $disbursement->User->Full_Name . "\t";
         $data .= "\n";
     }
     header("Content-type: application/vnd.ms-excel; name='excel'");
     header("Content-Disposition: filename=export.xls");
     // Fix for crappy IE bug in download.
     header("Pragma: ");
     header("Cache-Control: ");
     echo $headers . $data;
 }