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zpl-rest

zpl-rest provides the following

• REST-API to manage labels (written in ZPL), printer and to print these labels
• a simple graphical user interface for this REST-API
• you can use mustache in your ZPL-Code
• you can preview the result of your ZPL-Code
• you can test print your ZPL-Code
• you can review and reprint printjobs
• you can use placeholder in your ZPL labels (${varname}) which will be replaced through the API e.g.:

^XA
^LH0,0
^MTT
^A0N,36,36
^FO236,71
^FD${sometext}^FS
^XZ

which you can replace with the following POST-request to /rest/print:

{
    printer:"printer id",
    label:"id of the label",
    data : {
      sometext: "hello world"
    }
}

installation and start

download this repo und run npm start

frontend

• overview page with statistics
• reprint page, here you can print / review old printjobs
• label page, with label preview

REST-API

Method	Path	parameter	description
get	/rest/printer	none	list of all printers
get	/rest/label	none	list of all labels
get	/rest/jobs	none	list of all printjobs
get	/rest/preview	?printer=printer_id&label=label_id(&zpl=...)	generates a preview of the label using this service as base64
post	/rest/print	{printer:"printer_id...",label:"label_id...", data: {...}}	actual print
post	/rest/reprint/(:jobid)	({printer:"printer_id...", zpl:"..."})	reprint, change printer if wanted or ZPL-code
post	/rest/preview	{printer:"printer_id...",label:"label_id..."(,zpl:"...")}	generates a preview of the label using this service as base64
post	/rest/printer	to add : {address:"..",name:"...",density:"..."} for update {_id:"...",address:"..",name:"...",density:"..."}	add or update a printer
post	/rest/label	to add : {name:"...",zpl:"...",width:"...",height:"..."} for update {_id:"...",name:"...",zpl:"...",width:"...",height:"..."}	add or update a label
delete	/rest/printer/(:printerid)	none	removes a printer with the given id
delete	/rest/label/(:labelid)	none	removes a label with the given id

options

you can edit the config.js with following options:

Option	Type	description	Default
port	int	port for the RESTAPI	8000
websocket_port	int	websocket port for the frontend	8001
public	bool	if false server only reachable for localhost	true
secret	string	the session secret

thanks to

template for the frontend

labelary for providing the preview service

a little help is welcome :)