livestream: a standalone QR code for each track.

lnbits/extensions/livestream/lnurl.py

@@ -10,7 +10,7 @@ from .crud import get_livestream, get_livestream_by_track, get_track
 
 
 @livestream_ext.route("/lnurl/<ls_id>", methods=["GET"])
-async def lnurl_response(ls_id):
+async def lnurl_livestream(ls_id):
     ls = await get_livestream(ls_id)
     if not ls:
         return jsonify({"status": "ERROR", "reason": "Livestream not found."})
@@ -34,6 +34,27 @@ async def lnurl_response(ls_id):
     return jsonify(params)
 
 
+@livestream_ext.route("/lnurl/t/<track_id>", methods=["GET"])
+async def lnurl_track(track_id):
+    track = await get_track(track_id)
+    if not track:
+        return jsonify({"status": "ERROR", "reason": "Track not found."})
+
+    resp = LnurlPayResponse(
+        callback=url_for(
+            "livestream.lnurl_callback", track_id=track.id, _external=True
+        ),
+        min_sendable=track.min_sendable,
+        max_sendable=track.max_sendable,
+        metadata=await track.lnurlpay_metadata(),
+    )
+
+    params = resp.dict()
+    params["commentAllowed"] = 300
+
+    return jsonify(params)
+
+
 @livestream_ext.route("/lnurl/cb/<track_id>", methods=["GET"])
 async def lnurl_callback(track_id):
     track = await get_track(track_id)

lnbits/extensions/livestream/models.py

@@ -14,7 +14,7 @@ class Livestream(NamedTuple):
 
     @property
     def lnurl(self) -> Lnurl:
-        url = url_for("livestream.lnurl_response", ls_id=self.id, _external=True)
+        url = url_for("livestream.lnurl_livestream", ls_id=self.id, _external=True)
         return lnurl_encode(url)
 
 
@@ -33,6 +33,11 @@ class Track(NamedTuple):
     def max_sendable(self) -> int:
         return max(50_000_000, self.price_msat * 5)
 
+    @property
+    def lnurl(self) -> Lnurl:
+        url = url_for("livestream.lnurl_track", track_id=self.id, _external=True)
+        return lnurl_encode(url)
+
     async def fullname(self) -> str:
         from .crud import get_producer
 

lnbits/extensions/livestream/templates/livestream/index.html

@@ -229,6 +229,26 @@
 
   <q-dialog v-model="trackDialog.show">
     <q-card class="q-pa-lg q-pt-xl lnbits__dialog-card">
+      <q-card-section v-if="trackDialog.data.lnurl" class="q-pa-none text-center">
+        <p class="text-subtitle1 q-my-none">Standalone QR Code for this track</p>
+        <a :href="'lightning:' + trackDialog.data.lnurl">
+          <q-responsive :ratio="1" class="q-mx-sm">
+            <qrcode
+              :value="trackDialog.data.lnurl"
+              :options="{width: 800}"
+              class="rounded-borders"
+            ></qrcode>
+          </q-responsive>
+        </a>
+
+        <q-btn
+          outline
+          color="grey"
+          @click="copyText(trackDialog.data.lnurl)"
+          class="text-center q-mb-md"
+          >Copy LNURL-pay code</q-btn
+        >
+      </q-card-section>
       <q-card-section>
         <q-form @submit="addTrack" class="q-gutter-md">
           <q-select

lnbits/extensions/livestream/views_api.py

@@ -32,7 +32,10 @@ async def api_livestream_from_wallet():
                     **ls._asdict(),
                     **{
                         "lnurl": ls.lnurl,
-                        "tracks": [track._asdict() for track in tracks],
+                        "tracks": [
+                            dict(lnurl=track.lnurl, **track._asdict())
+                            for track in tracks
+                        ],
                         "producers": [producer._asdict() for producer in producers],
                     },
                 }