From abbe1eeb786c696faa5602443cb1a85c1f4eff16 Mon Sep 17 00:00:00 2001
From: William Gill <william.gill@anomalous.dev>
Date: Sun, 12 Jan 2025 22:34:27 -0600
Subject: [PATCH] Add Image printing from URL. Type 7, text field URL.

---
 service/printer.go | 37 +++++++++++++++++++++++++++++++------
 1 file changed, 31 insertions(+), 6 deletions(-)

diff --git a/service/printer.go b/service/printer.go
index eed3da3..67ce223 100644
--- a/service/printer.go
+++ b/service/printer.go
@@ -5,8 +5,13 @@ import (
 	fifo "github.com/foize/go.fifo"
 	"github.com/justinmichaelvieira/escpos"
 	"github.com/liamg/tml"
+	"image"
 	"net"
+	"net/http"
 	"uberbringer/config"
+
+	_ "image/jpeg"
+	_ "image/png"
 )
 
 func newPrintJob(input DataStruct, queue *fifo.Queue) {
@@ -47,10 +52,8 @@ func printJobCreate(input DataStruct, queue *fifo.Queue) {
 	p.Initialize()
 	p.DefaultLineSpacing()
 
-	for i, item := range input.Data {
-		var SeqNum = i + 1
-		tml.Printf("<darkgrey>[" + config.Project + "]: Job #" + input.JobID + " - creating command " + string(SeqNum) + "</darkgrey>\n")
-		if item.Type <= 0 || item.Type > 6 {
+	for _, item := range input.Data {
+		if item.Type <= 0 || item.Type > 7 {
 			tml.Printf("<red>[" + config.Project + "]: Job #" + input.JobID + " bad type</red>\n")
 			return
 		} else if item.Size <= 0 || item.Size > 16 {
@@ -89,9 +92,30 @@ func printJobCreate(input DataStruct, queue *fifo.Queue) {
 				}
 
 				p.WriteRaw([]byte(hex_decoded))
-			}
+			case 7:
+				// Print Image from URL
+				response, err := http.Get(item.Text)
+				if err != nil {
+					tml.Printf("<red>[" + config.Project + "]: Job #" + input.JobID + " image load failed</red>\n")
+					return
+				}
+				defer response.Body.Close()
 
-			tml.Printf("<green>[" + config.Project + "]: Job #" + input.JobID + " good type</green>\n")
+				if response.StatusCode != 200 {
+					tml.Printf("<red>[" + config.Project + "]: Job #" + input.JobID + " image load failed - received non 200 response code</red>\n")
+					return
+				}
+
+				img, _, err := image.Decode(response.Body)
+				if err != nil {
+					tml.Printf("<red>[" + config.Project + "]: Job #" + input.JobID + " image decode failed</red>\n")
+					return
+				}
+
+				p.PrintImage(img)
+
+				response.Body.Close()
+			}
 
 		}
 	}
@@ -106,4 +130,5 @@ func printJobCreate(input DataStruct, queue *fifo.Queue) {
 
 	tml.Printf("<green>[" + config.Project + "]: Done printing #" + input.JobID + "</green>\n")
 
+	socket.Close()
 }