fix xmltv generation

src/dlhdhr/xmltv.py

@@ -8,7 +8,10 @@ async def generate_xmltv(channels: list[DLHDChannel], zap2it: Zap2it) -> bytes:
     tv = Element("tv", attrib={"generator-info-name": "dlhdhr"})
 
     for channel in channels:
-        ch_node = SubElement(tv, "channel", attrib={"id": channel.number})
+        if not channel.tvg_id:
+            continue
+
+        ch_node = SubElement(tv, "channel", attrib={"id": channel.tvg_id})
         SubElement(ch_node, "display-name", attrib={"lang": "en"}).text = channel.name
         SubElement(ch_node, "lcn").text = channel.number
 
@@ -16,20 +19,22 @@ async def generate_xmltv(channels: list[DLHDChannel], zap2it: Zap2it) -> bytes:
         if not channel.call_sign:
             continue
 
+        if not channel.tvg_id:
+            continue
+
         z_channel = await zap2it.get_channel(channel.call_sign)
 
         if not z_channel:
             continue
 
-        if not channel.tvg_id:
-            continue
-
+        # Note: The order of the elements in the <programme /> matters
+        # title, desc, date, category, icon, episode-num, rating
         for event in z_channel.events:
             start_time = event.start_time.strftime("%Y%m%d%H%M%S %z")
             end_time = event.start_time.strftime("%Y%m%d%H%M%S %z")
 
             programme = SubElement(
-                tv, "programme", attrib={"start": start_time, "stop": end_time, "channel": channel.number}
+                tv, "programme", attrib={"start": start_time, "stop": end_time, "channel": channel.tvg_id}
             )
             if event.program.title:
                 SubElement(programme, "title", attrib={"lang": "en"}).text = event.program.title
@@ -39,17 +44,18 @@ async def generate_xmltv(channels: list[DLHDChannel], zap2it: Zap2it) -> bytes:
             if event.program.release_year:
                 SubElement(programme, "date").text = event.program.release_year
 
-            if event.rating:
-                rating = SubElement(programme, "rating", attrib={"system": "MPAA"})
-                SubElement(rating, "value").text = event.rating
+            for tag in event.tags:
+                SubElement(programme, "category", attrib={"lang": "en"}).text = tag
+
+            if event.thumbnail:
+                SubElement(programme, "icon", attrib={"src": event.thumbnail})
 
             if event.program.season or event.program.episode:
                 e_id = ".".join([event.program.season or "", event.program.episode or "", ""])
                 SubElement(programme, "episode-num", attrib={"system": "xmltv_ns"}).text = e_id
 
-            if event.thumbnail:
-                SubElement(programme, "icon", attrib={"src": event.thumbnail})
+            if event.rating:
+                rating = SubElement(programme, "rating", attrib={"system": "MPAA"})
+                SubElement(rating, "value").text = event.rating
 
-            for tag in event.tags:
-                SubElement(programme, "category", attrib={"lang": "en"}).text = tag
     return tostring(tv)