Updated 'Voucher' log information. Implemented missing custom voucher log output. Implemented PRINTER_TYPE variable to prepare for future printers. Disabled printer function by default. Updated README.md

README.md

@@ -76,6 +76,8 @@ services:
       SERVICE_WEB: 'true'
       # Enable/disable the API
       SERVICE_API: 'false'
+      # Enabled/disable the printer and set the preferred type, currently supported types: pdf
+      PRINTER_TYPE: ''
       # SMTP Mail from email address (optional)
       SMTP_FROM: ''
       # SMTP Mail server hostname/ip (optional)
@@ -251,6 +253,18 @@ The UniFi Voucher Site application includes built-in support for printing vouche
 
 The print functionality is compatible with most 80mm thermal receipt printers commonly used in various industries. These printers typically use thermal printing technology, eliminating the need for ink cartridges and ensuring efficient and cost-effective voucher printing.
 
+### Configuration
+
+To enable the print feature, you need to set the following environment variables:
+
+```env
+PRINTER_TYPE: ''
+```
+
+Here’s what each variable represents:
+
+- **`PRINTER_TYPE`**: Sets the printer type used by UniFi Voucher Site. Currently supported options: pdf
+
 ### Usage
 
 Once your 80mm receipt printer is configured and connected, you can easily print vouchers directly from the UniFi Voucher Site application. Simply navigate to the voucher within the interface and click on the "Print" button.

docker-compose.yml

@@ -17,6 +17,7 @@ services:
       VOUCHER_CUSTOM: 'true'
       SERVICE_WEB: 'true'
       SERVICE_API: 'false'
+      PRINTER_TYPE: ''
       SMTP_FROM: ''
       SMTP_HOST: ''
       SMTP_PORT: ''

server.js

@@ -47,6 +47,7 @@ const voucherCustom = config('voucher_custom') !== null ? config('voucher_custom
 const webService = process.env.SERVICE_WEB ? process.env.SERVICE_WEB !== 'false' : true;
 const apiService = config('service_api') || (process.env.SERVICE_API === 'true') || false;
 const authDisabled = (process.env.AUTH_DISABLE === 'true') || false;
+const printerType = config('printer_type') || process.env.PRINTER_TYPE || '';
 const smtpFrom = config('smtp_from') || process.env.SMTP_FROM || '';
 const smtpHost = config('smtp_host') || process.env.SMTP_HOST || '';
 const smtpPort = config('smtp_port') || process.env.SMTP_PORT || 25;
@@ -87,16 +88,22 @@ log.info(`[Service][Api] ${apiService ? 'Enabled!' : 'Disabled!'}`);
 /**
  * Log voucher types
  */
-log.info('[VoucherType] Loaded the following types:');
+log.info('[Voucher] Loaded the following types:');
 voucherTypes.forEach((type, key) => {
-    log.info(`[VoucherType][${key}] ${time(type.expiration)}, ${type.usage === '1' ? 'single-use' : 'multi-use'}${typeof type.upload === "undefined" && typeof type.download === "undefined" && typeof type.megabytes === "undefined" ? ', no limits' : `${typeof type.upload !== "undefined" ? `, upload bandwidth limit: ${type.upload} kb/s` : ''}${typeof type.download !== "undefined" ? `, download bandwidth limit: ${type.download} kb/s` : ''}${typeof type.megabytes !== "undefined" ? `, quota limit: ${type.megabytes} mb` : ''}`}`);
+    log.info(`[Voucher][Type][${key}] ${time(type.expiration)}, ${type.usage === '1' ? 'single-use' : 'multi-use'}${typeof type.upload === "undefined" && typeof type.download === "undefined" && typeof type.megabytes === "undefined" ? ', no limits' : `${typeof type.upload !== "undefined" ? `, upload bandwidth limit: ${type.upload} kb/s` : ''}${typeof type.download !== "undefined" ? `, download bandwidth limit: ${type.download} kb/s` : ''}${typeof type.megabytes !== "undefined" ? `, quota limit: ${type.megabytes} mb` : ''}`}`);
 });
+log.info(`[Voucher][Custom] ${voucherCustom ? 'Enabled!' : 'Disabled!'}`);
 
 /**
  * Log auth status
  */
 log.info(`[Auth] ${authDisabled ? 'Disabled!' : 'Enabled!'}`);
 
+/**
+ * Log printer status
+ */
+log.info(`[Printer] ${printerType !== '' ? `Enabled! Type: ${printerType}` : 'Disabled!'}`);
+
 /**
  * Log email status
  */
@@ -474,6 +481,7 @@ if(webService) {
             timeConvert: time,
             bytesConvert: bytes,
             email_enabled: smtpFrom !== '' && smtpHost !== '' && smtpPort !== '',
+            printer_enabled: printerType !== '',
             voucher_types: voucherTypes,
             voucher_custom: voucherCustom,
             vouchers: cache.vouchers,

template/voucher.ejs

@@ -195,7 +195,7 @@
                                     <path d="M22.5 6.908V6.75a3 3 0 0 0-3-3h-15a3 3 0 0 0-3 3v.158l9.714 5.978a1.5 1.5 0 0 0 1.572 0L22.5 6.908Z" />
                                 </svg>
                             </button>
-                            <a href="<%= baseUrl %>/voucher/<%= voucher._id %>/print" type="button" class="relative rounded-full p-1 text-gray-500 dark:text-gray-400 hover:text-black dark:hover:text-white">
+                            <a href="<%= baseUrl %>/voucher/<%= voucher._id %>/print" type="button" class="relative rounded-full p-1 text-gray-500 dark:text-gray-400 hover:text-black dark:hover:text-white<%= !printer_enabled ? ' hidden' : '' %>">
                                 <span class="absolute -inset-1.5"></span>
                                 <span class="sr-only">Print Voucher Code</span>
                                 <svg class="h-5 w-5" viewBox="0 0 24 24" fill="currentColor" aria-hidden="true">