[kemonoparty] add 'favorites' option (#2826) (#2831)

* [kemonoparty] add 'favorites' option (#2826)

* [kemonoparty] add regex for the url parameter and fallback on the config
option

* [kemonoparty] simplify

docs/configuration.rst

@@ -1550,6 +1550,18 @@ Description
     Extract a user's direct messages as ``dms`` metadata.
 
 
+extractor.kemonoparty.favorites
+---------------------------
+Type
+    ``string``
+Default
+    ``artist``
+Description
+    Determines the type of favorites to be downloaded.
+
+    Available types are ``artist``, and ``post``.
+
+
 extractor.kemonoparty.files
 ---------------------------
 Type

gallery_dl/extractor/kemonoparty.py

@@ -440,20 +440,44 @@ def items(self):
 class KemonopartyFavoriteExtractor(KemonopartyExtractor):
     """Extractor for kemono.party favorites"""
     subcategory = "favorite"
-    pattern = BASE_PATTERN + r"/favorites"
-    test = ("https://kemono.party/favorites", {
-        "pattern": KemonopartyUserExtractor.pattern,
-        "url": "f4b5b796979bcba824af84206578c79101c7f0e1",
-        "count": 3,
-    })
+    pattern = BASE_PATTERN + r"/favorites(?:/?\?([^#]+))?"
+    test = (
+        ("https://kemono.party/favorites", {
+            "pattern": KemonopartyUserExtractor.pattern,
+            "url": "f4b5b796979bcba824af84206578c79101c7f0e1",
+            "count": 3,
+        }),
+        ("https://kemono.party/favorites?type=post", {
+            "pattern": KemonopartyPostExtractor.pattern,
+            "url": "ecfccf5f0d50b8d14caa7bbdcf071de5c1e5b90f",
+            "count": 3,
+        }),
+    )
+
+    def __init__(self, match):
+        KemonopartyExtractor.__init__(self, match)
+        self.favorites = (text.parse_query(match.group(2)).get("type") or
+                          self.config("favorites") or
+                          "artist")
 
     def items(self):
         self._prepare_ddosguard_cookies()
         self.login()
 
-        users = self.request(self.root + "/api/favorites").json()
-        for user in users:
-            user["_extractor"] = KemonopartyUserExtractor
-            url = "{}/{}/user/{}".format(
-                self.root, user["service"], user["id"])
-            yield Message.Queue, url, user
+        if self.favorites == "artist":
+            users = self.request(
+                self.root + "/api/v1/account/favorites?type=artist").json()
+            for user in users:
+                user["_extractor"] = KemonopartyUserExtractor
+                url = "{}/{}/user/{}".format(
+                    self.root, user["service"], user["id"])
+                yield Message.Queue, url, user
+
+        elif self.favorites == "post":
+            posts = self.request(
+                self.root + "/api/v1/account/favorites?type=post").json()
+            for post in posts:
+                post["_extractor"] = KemonopartyPostExtractor
+                url = "{}/{}/user/{}/post/{}".format(
+                    self.root, post["service"], post["user"], post["id"])
+                yield Message.Queue, url, post