From 5adcb23dd0ba82158d46e4d85b794c6c5eaddbf2 Mon Sep 17 00:00:00 2001
From: Evan Moore <evanmoore@IOSDEV.local>
Date: Fri, 29 Mar 2019 16:23:04 -0400
Subject: [PATCH] ugly fix for printer reconnects

---
 src/ios/ZebraPrinterPlugin.swift | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/ios/ZebraPrinterPlugin.swift b/src/ios/ZebraPrinterPlugin.swift
index da89b99..7d499b3 100644
--- a/src/ios/ZebraPrinterPlugin.swift
+++ b/src/ios/ZebraPrinterPlugin.swift
@@ -54,6 +54,10 @@ class ZebraPrinterPlugin: CDVPlugin {
             if( self.isConnected()){
                 let data = cpcl.data(using: .utf8)
                 var error: NSError?
+                // it seems self.isConnected() can lie if the printer has power cycled
+                // a workaround is to close and reopen the connection
+                self.printerConnection!.close()
+                self.printerConnection!.open()
                 self.printerConnection!.write(data, error:&error)
                 if error != nil{
                     let pluginResult = CDVPluginResult(
@@ -63,6 +67,7 @@ class ZebraPrinterPlugin: CDVPlugin {
                         pluginResult,
                         callbackId: command.callbackId
                     )
+                    return
                 }
             }else{
                 let pluginResult = CDVPluginResult(
@@ -72,6 +77,7 @@ class ZebraPrinterPlugin: CDVPlugin {
                     pluginResult,
                     callbackId: command.callbackId
                 )
+                return
             }
             let pluginResult = CDVPluginResult(
                 status: CDVCommandStatus_OK