add currency option

lnbits/extensions/shop/crud.py

@@ -9,6 +9,7 @@ from lnbits.settings import WALLET
 
 from . import db
 from .models import (
+    ShopSettings,
     ChatMessage,
     CreateChatMessage,
     CreateMarket,
@@ -443,3 +444,24 @@ async def get_shop_chat_by_merchant(ids: List[str]) -> List[ChatMessage]:
         (*ids,),
     )
     return [ChatMessage(**row) for row in rows]
+
+
+async def get_shop_settings(user) -> Optional[ShopSettings]:
+    row = await db.fetchone("SELECT * FROM shop.settings WHERE 'user = ?", (user,))
+
+    return ShopSettings(**row) if row else None
+
+
+async def set_shop_settings(user: str, data) -> Optional[ShopSettings]:
+    await db.execute(
+        f"""
+            UPDATE shop.settings
+            SET currency = ?, fiat_base_multiplier = ?
+            WHERE 'user' = ?;
+        """,
+        (
+            data.currency,
+            data.fiat_base_multiplier,
+            user,
+        ),
+    )

lnbits/extensions/shop/migrations.py

@@ -1,4 +1,17 @@
 async def m001_initial(db):
+    """
+    Initial Shop settings table.
+    """
+    await db.execute(
+        """
+        CREATE TABLE shop.settings (
+            "user" TEXT PRIMARY KEY,
+            currency TEXT DEFAULT 'sat',
+            fiat_base_multiplier INTEGER DEFAULT 1
+        );
+    """
+    )
+
     """
     Initial stalls table.
     """

lnbits/extensions/shop/models.py

@@ -4,6 +4,17 @@ from fastapi.param_functions import Query
 from pydantic import BaseModel
 
 
+class ShopSettings(BaseModel):
+    user: str
+    currency: str
+    fiat_base_multiplier: int
+
+
+class SetSettings(BaseModel):
+    currency: str
+    fiat_base_multiplier: int = Query(100, ge=1)
+
+
 class Stalls(BaseModel):
     id: str
     wallet: str

lnbits/extensions/shop/templates/shop/index.html

@@ -4,7 +4,7 @@
   {% include "shop/_dialogs.html" %}
   <div class="col-12 col-md-8 col-lg-7 q-gutter-y-md">
     <q-card>
-      <q-card-section>
+      <q-card-section class="q-gutter-sm row">
         <q-btn unelevated color="primary" @click="zoneDialog.show = true"
           >+ Shipping Zone<q-tooltip> Create a shipping zone </q-tooltip></q-btn
         >
@@ -42,8 +42,18 @@
           @click="errorMessage('First set shipping zone(s), then create a stall.')"
           >+ Product <q-tooltip> List a product </q-tooltip></q-btn
         >
+        <q-select
+          style="width: 100px"
+          filled
+          dense
+          v-model="currencies.unit"
+          type="text"
+          label="Unit"
+          :options="currencies.units"
+          @input="(value) => setCurrency(value)"
+        ></q-select>
         <q-btn
-          class="float-right"
+          class="q-ml-auto"
           unelevated
           flat
           color="primary"
@@ -237,6 +247,10 @@
         },
         keys: null,
         diagonAlley: false,
+        currencies: {
+          units: ['sat'],
+          unit: 'sat'
+        },
         products: [],
         orders: [],
         stalls: [],
@@ -523,6 +537,29 @@
       toggleDA(value, evt) {
         this.$q.localStorage.set(`lnbits.DAmode`, value)
       },
+      setCurrency(v) {
+        let data = {
+          currency: v,
+          fiat_base_multiplier: this.currencies.unit != 'sat' ? 100 : 1
+        }
+        LNbits.api
+          .request(
+            'PUT',
+            '/shop/api/v1/settings',
+            this.g.user.wallets[0].adminkey,
+            data
+          )
+          .then(response => {
+            this.$q.notify({
+              type: 'positive',
+              message: `Currency changed`,
+              icon: 'check'
+            })
+          })
+          .catch(error => {
+            LNbits.utils.notifyApiError(error)
+          })
+      },
       shopDataDownload() {
         const removeClone = obj => {
           delete obj._data
@@ -1320,6 +1357,16 @@
         }
 
         this.ws = ws
+      },
+      async getCurrencies() {
+        await LNbits.api
+          .request('GET', '/shop/api/v1/currencies')
+          .then(response => {
+            this.currencies.units = ['sat', ...response.data]
+          })
+          .catch(err => {
+            LNbits.utils.notifyApiError(err)
+          })
       }
     },
     async created() {
@@ -1329,6 +1376,7 @@
         this.onboarding.showAgain = showOnboard || false
         this.diagonAlley =
           this.$q.localStorage.getItem('lnbits.DAmode') || false
+        await this.getCurrencies()
         this.getStalls()
         this.getProducts()
         this.getZones()

lnbits/extensions/shop/views_api.py

@@ -9,6 +9,7 @@ from fastapi.params import Depends
 from loguru import logger
 from secp256k1 import PrivateKey, PublicKey
 from starlette.exceptions import HTTPException
+from lnbits.utils.exchange_rates import currencies, get_fiat_rate_satoshis
 
 from lnbits.core.crud import get_user
 from lnbits.core.services import create_invoice
@@ -23,6 +24,8 @@ from lnbits.helpers import urlsafe_short_hash
 
 from . import db, shop_ext
 from .crud import (
+    set_shop_settings,
+    get_shop_settings,
     create_shop_market,
     create_shop_market_stalls,
     create_shop_order,
@@ -58,6 +61,7 @@ from .crud import (
     update_shop_zone,
 )
 from .models import (
+    SetSettings,
     CreateMarket,
     Orders,
     Products,
@@ -452,3 +456,25 @@ async def api_get_latest_chat_msg(room_name: str, all_messages: bool = Query(Fal
         messages = await get_shop_latest_chat_messages(room_name)
 
     return messages
+
+
+@shop_ext.get("/api/v1/currencies")
+async def api_list_currencies_available():
+    return list(currencies.keys())
+
+
+@shop_ext.get("/api/v1/settings")
+async def api_get_settings(wallet: WalletTypeInfo = Depends(require_admin_key)):
+    user = wallet.wallet.user
+
+    settings = await get_shop_settings(user)
+
+    return settings
+
+
+@shop_ext.put("/api/v1/settings")
+async def api_set_settings(
+    data: SetSettings, wallet: WalletTypeInfo = Depends(require_admin_key)
+):
+    user = wallet.wallet.user
+    return await set_shop_settings(user, data)