fix: create invoice for fresh merchant

__init__.py

@@ -49,7 +49,7 @@ def nostrmarket_start():
     async def _wait_for_nostr_events():
         # wait for this extension to initialize
         await asyncio.sleep(5)
-        await wait_for_nostr_events(recieve_event_queue, send_req_queue)
+        await wait_for_nostr_events(recieve_event_queue)
 
     loop = asyncio.get_event_loop()
     task1 = loop.create_task(catch_everything_and_restart(wait_for_paid_invoices))

crud.py

@@ -73,7 +73,7 @@ async def get_merchant_for_user(user_id: str) -> Optional[Merchant]:
     return Merchant.from_row(row) if row else None
 
 
-async def delete_merchants(merchant_id: str) -> None:
+async def delete_merchant(merchant_id: str) -> None:
     await db.execute(
         "DELETE FROM nostrmarket.merchants WHERE id = ?",
         (merchant_id,),

nostr/nostr_client.py

@@ -34,3 +34,25 @@ async def connect_to_nostrclient_ws(
     wst.start()
 
     return ws
+
+
+async def subscribe_to_direct_messages(public_key: str, since: int):
+    in_messages_filter = {"kind": 4, "#p": [public_key]}
+    out_messages_filter = {"kind": 4, "authors": [public_key]}
+    if since != 0:
+        in_messages_filter["since"] = since
+        out_messages_filter["since"] = since
+    print("### in_messages_filter", in_messages_filter)
+    print("### out_messages_filter", out_messages_filter)
+
+    await send_req_queue.put(
+        ["REQ", f"direct-messages-in:{public_key}", in_messages_filter]
+    )
+    await send_req_queue.put(
+        ["REQ", f"direct-messages-out:{public_key}", out_messages_filter]
+    )
+
+
+async def unsubscribe_from_direct_messages(public_key: str):
+    await send_req_queue.put(["CLOSE", f"direct-messages-in:{public_key}"])
+    await send_req_queue.put(["CLOSE", f"direct-messages-out:{public_key}"])

static/components/merchant-details/merchant-details.js

@@ -30,6 +30,7 @@ async function merchantDetails(path) {
                 '/nostrmarket/api/v1/merchant/' + this.merchantId,
                 this.adminkey
               )
+              // todo: refresh parent page
               this.$emit('merchant-deleted', this.merchantId)
               this.$q.notify({
                 type: 'positive',

tasks.py

@@ -14,7 +14,7 @@ from .crud import (
     get_last_order_time,
     get_public_keys_for_merchants,
 )
-from .nostr.nostr_client import connect_to_nostrclient_ws
+from .nostr.nostr_client import connect_to_nostrclient_ws, subscribe_to_direct_messages
 from .services import handle_order_paid, process_nostr_message
 
 
@@ -65,25 +65,14 @@ async def subscribe_to_nostr_client(recieve_event_queue: Queue, send_req_queue:
             await asyncio.sleep(5)
 
 
-async def wait_for_nostr_events(recieve_event_queue: Queue, send_req_queue: Queue):
+async def wait_for_nostr_events(recieve_event_queue: Queue):
     public_keys = await get_public_keys_for_merchants()
     for p in public_keys:
         last_order_time = await get_last_order_time(p)
         last_dm_time = await get_last_direct_messages_time(p)
         since = max(last_order_time, last_dm_time)
 
-        in_messages_filter = {"kind": 4, "#p": [p]}
-        out_messages_filter = {"kind": 4, "authors": [p]}
-        if since != 0:
-            in_messages_filter["since"] = since
-            # out_messages_filter["since"] = since
-        print("### in_messages_filter", in_messages_filter)
-        print("### out_messages_filter", out_messages_filter)
-
-        await send_req_queue.put(["REQ", f"direct-messages-in:{p}", in_messages_filter])
-        await send_req_queue.put(
-            ["REQ", f"direct-messages-out:{p}", out_messages_filter]
-        )
+        await subscribe_to_direct_messages(p, since)
 
     while True:
         message = await recieve_event_queue.get()

views_api.py

@@ -22,12 +22,12 @@ from .crud import (
     create_product,
     create_stall,
     create_zone,
+    delete_merchant,
     delete_merchant_direct_messages,
     delete_merchant_orders,
     delete_merchant_products,
     delete_merchant_stalls,
     delete_merchant_zones,
-    delete_merchants,
     delete_product,
     delete_stall,
     delete_zone,
@@ -61,7 +61,11 @@ from .models import (
     Stall,
     Zone,
 )
-from .nostr.nostr_client import publish_nostr_event
+from .nostr.nostr_client import (
+    publish_nostr_event,
+    subscribe_to_direct_messages,
+    unsubscribe_from_direct_messages,
+)
 from .services import sign_and_send_to_nostr
 
 ######################################## MERCHANT ########################################
@@ -74,7 +78,11 @@ async def api_create_merchant(
 ) -> Merchant:
 
     try:
+        merchant = await get_merchant_for_user(wallet.wallet.user)
+        assert merchant == None, "A merchant already exists for this user"
+
         merchant = await create_merchant(wallet.wallet.user, data)
+        await subscribe_to_direct_messages(data.public_key, 0)
 
         return merchant
     except Exception as ex:
@@ -117,7 +125,9 @@ async def api_delete_merchant(
         await delete_merchant_stalls(merchant.id)
         await delete_merchant_direct_messages(merchant.id)
         await delete_merchant_zones(merchant.id)
-        await delete_merchants(merchant.id)
+
+        await unsubscribe_from_direct_messages(merchant.public_key)
+        await delete_merchant(merchant.id)
     except Exception as ex:
         logger.warning(ex)
         raise HTTPException(
@@ -646,4 +656,5 @@ async def api_stop(wallet: WalletTypeInfo = Depends(check_admin)):
         except Exception as ex:
             logger.warning(ex)
 
+    # todo: close websocket
     return {"success": True}