Stripe and license payment integration (#4935)

selfhosted stripe payment and license integration

---------

Co-authored-by: Anthony Stirling <[email protected]>
Co-authored-by: Connor Yoh <[email protected]>

frontend/public/locales/en-GB/translation.json

@@ -2415,7 +2415,7 @@
     },
     "cta": "Compare",
     "loading": "Comparing...",
-    
+
     "summary": {
       "baseHeading": "Original document",
       "comparisonHeading": "Edited document",
@@ -2471,7 +2471,7 @@
       "body": "This comparison is taking longer than usual. You can let it continue or cancel it.",
       "cancel": "Cancel comparison"
     },
-    
+
     "newLine": "new-line",
     "complex": {
       "message": "One or both of the provided documents are large files, accuracy of comparison may be reduced"
@@ -4419,9 +4419,21 @@
         "title": "Premium & Enterprise",
         "description": "Configure your premium or enterprise license key.",
         "license": "License Configuration",
+        "licenseKey": {
+          "toggle": "Got a license key or certificate file?",
+          "info": "If you have a license key or certificate file from a direct purchase, you can enter it here to activate premium or enterprise features."
+        },
         "key": {
           "label": "License Key",
-          "description": "Enter your premium or enterprise license key"
+          "description": "Enter your premium or enterprise license key. Premium features will be automatically enabled when a key is provided.",
+          "success": "License Key Saved",
+          "successMessage": "Your license key has been activated successfully. No restart required.",
+          "overwriteWarning": {
+            "title": "⚠️ Warning: Existing License Detected",
+            "line1": "Overwriting your current license key cannot be undone.",
+            "line2": "Your previous license will be permanently lost unless you have backed it up elsewhere.",
+            "line3": "Important: Keep license keys private and secure. Never share them publicly."
+          }
         },
         "enabled": {
           "label": "Enable Premium Features",
@@ -4850,7 +4862,11 @@
     "available": "available",
     "cancel": "Cancel",
     "preview": "Preview",
-    "done": "Done"
+    "close": "Close",
+    "done": "Done",
+    "loading": "Loading...",
+    "back": "Back",
+    "continue": "Continue"
   },
   "config": {
     "overview": {
@@ -5268,6 +5284,14 @@
     "showComparison": "Compare All Features",
     "hideComparison": "Hide Feature Comparison",
     "featureComparison": "Feature Comparison",
+    "from": "From",
+    "perMonth": "/month",
+    "licensedSeats": "Licensed: {{count}} seats",
+    "includedInCurrent": "Included in Your Plan",
+    "selectPlan": "Select Plan",
+    "manageSubscription": {
+      "description": "Manage your subscription, billing, and payment methods"
+    },
     "activePlan": {
       "title": "Active Plan",
       "subtitle": "Your current subscription details"
@@ -5285,13 +5309,16 @@
       "upTo": "Up to"
     },
     "period": {
-      "month": "month"
+      "month": "month",
+      "perUserPerMonth": "/user/month"
     },
     "free": {
       "name": "Free",
       "highlight1": "Limited Tool Usage Per week",
       "highlight2": "Access to all tools",
-      "highlight3": "Community support"
+      "highlight3": "Community support",
+      "forever": "Forever free",
+      "included": "Included"
     },
     "pro": {
       "name": "Pro",
@@ -5333,13 +5360,44 @@
       "error": "Failed to open billing portal"
     }
   },
+  "upgradeBanner": {
+    "title": "Upgrade to Server Plan",
+    "message": "Get the most out of Stirling PDF with unlimited users and advanced features",
+    "upgradeButton": "Upgrade Now",
+    "dismiss": "Dismiss banner"
+  },
   "payment": {
     "preparing": "Preparing your checkout...",
     "upgradeTitle": "Upgrade to {{planName}}",
     "success": "Payment Successful!",
     "successMessage": "Your subscription has been activated successfully. You will receive a confirmation email shortly.",
     "autoClose": "This window will close automatically...",
-    "error": "Payment Error"
+    "error": "Payment Error",
+    "upgradeSuccess": "Payment successful! Your subscription has been upgraded. The license has been updated on your server. You will receive a confirmation email shortly.",
+    "paymentSuccess": "Payment successful! Retrieving your license key...",
+    "licenseActivated": "License activated! Your license key has been saved. A confirmation email has been sent to your registered email address.",
+    "licenseDelayed": "Payment successful! Your license is being generated. You will receive an email with your license key shortly. If you don't receive it within 10 minutes, please contact support.",
+    "licensePollingError": "Payment successful but we couldn't retrieve your license key automatically. Please check your email or contact support with your payment confirmation.",
+    "licenseRetrievalError": "Payment successful but license retrieval failed. You will receive your license key via email. Please contact support if you don't receive it within 10 minutes.",
+    "syncError": "Payment successful but license sync failed. Your license will be updated shortly. Please contact support if issues persist.",
+    "licenseSaveError": "Failed to save license key. Please contact support with your license key to complete activation.",
+    "paymentCanceled": "Payment was canceled. No charges were made.",
+    "syncingLicense": "Syncing your upgraded license...",
+    "generatingLicense": "Generating your license key...",
+    "upgradeComplete": "Upgrade Complete",
+    "upgradeCompleteMessage": "Your subscription has been upgraded successfully. Your existing license key has been updated.",
+    "stripeNotConfigured": "Stripe Not Configured",
+    "stripeNotConfiguredMessage": "Stripe payment integration is not configured. Please contact your administrator.",
+    "monthly": "Monthly",
+    "yearly": "Yearly",
+    "billingPeriod": "Billing Period",
+    "enterpriseNote": "Seats can be adjusted in checkout (1-1000).",
+    "installationId": "Installation ID",
+    "licenseKey": "Your License Key",
+    "licenseInstructions": "Enter this key in Settings → Admin Plan → License Key section",
+    "canCloseWindow": "You can now close this window.",
+    "licenseKeyProcessing": "License Key Processing",
+    "licenseDelayedMessage": "Your license key is being generated. Please check your email shortly or contact support."
   },
   "firstLogin": {
     "title": "First Time Login",
@@ -5635,21 +5693,5 @@
     "pleaseLoginAgain": "Please login again.",
     "accessDenied": "Access Denied",
     "insufficientPermissions": "You do not have permission to perform this action."
-  },
-  "common": {
-    "loading": "Loading...",
-    "back": "Back",
-    "continue": "Continue",
-    "preview": "Preview",
-    "previous": "Previous",
-    "next": "Next",
-    "copied": "Copied!",
-    "copy": "Copy",
-    "expand": "Expand",
-    "collapse": "Collapse",
-    "retry": "Retry",
-    "refresh": "Refresh",
-    "cancel": "Cancel",
-    "done": "Done"
   }
 }