Make sure no articles are skipped for each task loop (#118)

* Add depedency

* Change logger setting

* Provide JSON data for genshin stuff

* Implement Genshin RSS feed

* Loop articles until found the latest one

* Code refactor

bot/cogs/genshin.py

@@ -21,7 +21,7 @@ def __init__(self, bot: WarnetBot) -> None:
     async def on_connect(self) -> None:
         self._rss.start()
 
-    @tasks.loop(minutes=2)
+    @tasks.loop(minutes=10)
     async def _rss(self) -> None:
         info_channel = self.bot.get_channel(genshin_config.INFORMATION_CHANNEL_ID)
 
@@ -30,29 +30,34 @@ async def _rss(self) -> None:
             latest_entry_id = data['rss']['latest_pub_id']
 
         feed = feedparser.parse(genshin_config.RSS_FEED_URL)
-        new_entry = feed.entries[0]
-        if new_entry.id != latest_entry_id:
-            logger.info(f'NEW GENSHIN ARTICLE FOUND! ID={new_entry.id}')
+        for entry in feed.entries[:10]:  # get only 10 latest articles
+            if entry.id != latest_entry_id:
+                logger.info(f'NEW GENSHIN ARTICLE FOUND! ID={entry.id}')
 
-            data['rss']['latest_pub_id'] = new_entry.id
+                pattern = re.compile(r'src="(https://.+\.(?:jpg|png))"')
+                try:
+                    entry_image_link = pattern.search(entry.content[0].value).group(1)
+                except AttributeError:
+                    entry_image_link = None
+
+                embed = discord.Embed(
+                    title=entry.title,
+                    url=entry.link,
+                    description=entry.summary,
+                    color=discord.Color.dark_embed(),
+                )
+                embed.set_image(url=entry_image_link)
+                await info_channel.send(embed=embed)
+
+            else:
+                break
+
+        newest_entry = feed.entries[0]
+        if data['rss']['latest_pub_id'] != newest_entry.id:
+            data['rss']['latest_pub_id'] = newest_entry.id
             with open(genshin_config.RSS_PUBLISHED_ID_DATA_PATH, 'w') as f:
                 json.dump(data, f, indent=4)
 
-            pattern = re.compile(r'src="(https://.+\.(?:jpg|png))"')
-            try:
-                entry_image_link = pattern.search(new_entry.content[0].value).group(1)
-            except AttributeError:
-                entry_image_link = None
-
-            embed = discord.Embed(
-                title=new_entry.title,
-                url=new_entry.link,
-                description=new_entry.summary,
-                color=discord.Color.dark_embed(),
-            )
-            embed.set_image(url=entry_image_link)
-            await info_channel.send(embed=embed)
-
     @_rss.before_loop
     async def _before_rss(self):
         await self.bot.wait_until_ready()