add card balance on public page (#43)

* add card balance on public page
* lint

templates/boltcards/display.html

@@ -5,6 +5,10 @@
     <q-card>
       <q-card-section>
         <div class="text-h6">Card Info</div>
+        <div class="text-subtitle2">
+          <b>Balance: </b>
+          <span v-text="balance"></span> sats
+        </div>
         <div class="text-subtitle2">This card is ${enabled}</div>
       </q-card-section>
 
@@ -89,6 +93,7 @@
     data() {
       return {
         card: null,
+        balance: 0,
         hits: null,
         cardInfo: [
           {
@@ -119,11 +124,13 @@
       }
     },
     created() {
-      this.card = JSON.parse({{ card | tojson }})
       const hits = {{ hits | tojson | safe }}
-      this.hits = hits.map(JSON.parse).map(mapHits)
       const refunds = {{ refunds | tojson | safe }}
+      const balance = {{ balance }}
+      this.card = JSON.parse({{ card | tojson }})
+      this.hits = hits.map(JSON.parse).map(mapHits)
       this.refunds = refunds || []
+      this.balance = LNbits.utils.formatSat(balance)
     },
     computed: {
       enabled() {

views.py

@@ -2,6 +2,7 @@
 
 from fastapi import APIRouter, Depends, HTTPException, Request
 from fastapi.responses import HTMLResponse
+from lnbits.core.crud import get_wallet
 from lnbits.core.models import User
 from lnbits.decorators import check_user_exists
 from lnbits.helpers import template_renderer
@@ -29,11 +30,21 @@ async def display(request: Request, card_id: str):
         raise HTTPException(
             status_code=HTTPStatus.NOT_FOUND, detail="Card does not exist."
         )
+    wallet = await get_wallet(card.wallet)
+    wallet_balance = 0
+    if wallet:
+        wallet_balance = wallet.balance
     hits = await get_hits([card.id])
     hits_json = [hit.json() for hit in hits]
     refunds = [refund.hit_id for refund in await get_refunds([hit.id for hit in hits])]
     card_json = card.json(exclude={"wallet"})
     return boltcards_renderer().TemplateResponse(
         "boltcards/display.html",
-        {"request": request, "card": card_json, "hits": hits_json, "refunds": refunds},
+        {
+            "request": request,
+            "card": card_json,
+            "hits": hits_json,
+            "refunds": refunds,
+            "balance": int(wallet_balance),
+        },
     )