support all the currencies.

lnbits/extensions/offlineshop/static/js/index.js

@@ -24,7 +24,7 @@ new Vue({
       itemDialog: {
         show: false,
         data: {...defaultItemData},
-        units: ['sat', 'USD']
+        units: ['sat']
       }
     }
   },
@@ -207,5 +207,14 @@ new Vue({
   created() {
     this.selectedWallet = this.g.user.wallets[0]
     this.loadShop()
+
+    LNbits.api
+      .request('GET', '/offlineshop/api/v1/currencies')
+      .then(response => {
+        this.itemDialog = {...this.itemDialog, units: ['sat', ...response.data]}
+      })
+      .catch(err => {
+        LNbits.utils.notifyApiError(err)
+      })
   }
 })

lnbits/extensions/offlineshop/views_api.py

@@ -3,6 +3,7 @@ from http import HTTPStatus
 from lnurl.exceptions import InvalidUrl as LnurlInvalidUrl  # type: ignore
 
 from lnbits.decorators import api_check_wallet_key, api_validate_post_request
+from lnbits.utils.exchange_rates import currencies
 
 from . import offlineshop_ext
 from .crud import (
@@ -16,6 +17,11 @@ from .crud import (
 from .models import ShopCounter
 
 
+@offlineshop_ext.route("/api/v1/currencies", methods=["GET"])
+async def api_list_currencies_available():
+    return jsonify(list(currencies.keys()))
+
+
 @offlineshop_ext.route("/api/v1/offlineshop", methods=["GET"])
 @api_check_wallet_key("invoice")
 async def api_shop_from_wallet():
@@ -51,7 +57,7 @@ async def api_shop_from_wallet():
         "description": {"type": "string", "empty": False, "required": True},
         "image": {"type": "string", "required": False, "nullable": True},
         "price": {"type": "number", "required": True},
-        "unit": {"type": "string", "allowed": ["sat", "USD"], "required": True},
+        "unit": {"type": "string", "required": True},
     }
 )
 async def api_add_or_update_item(item_id=None):