schemas: change avatar_url in webhook exec to EmbedURL coerce

- embed.schemas: add EmbedURL.scheme

litecord/embed/schemas.py

@@ -31,16 +31,18 @@ class EmbedURL:
         if parsed.scheme not in ('http', 'https', 'attachment'):
             raise ValueError('Invalid URL scheme')
 
+        self.scheme = parsed.scheme
         self.raw_url = url
         self.parsed = parsed
 
     @property
-    def url(self):
-        """Return the URL."""
+    def url(self) -> str:
+        """Return the unparsed URL."""
         return urllib.parse.urlunparse(self.parsed)
 
     @property
-    def to_json(self):
+    def to_json(self) -> str:
+        """'json' version of the url."""
         return self.url
 
 

litecord/schemas.py

@@ -31,7 +31,7 @@ from .enums import (
     MessageNotifications, ChannelType, VerificationLevel
 )
 
-from litecord.embed.schemas import EMBED_OBJECT
+from litecord.embed.schemas import EMBED_OBJECT, EmbedURL
 
 log = Logger(__name__)
 
@@ -710,10 +710,8 @@ WEBHOOK_MESSAGE_CREATE = {
         'minlength': 2, 'maxlength': 32, 'required': False
     },
 
-    # TODO: url type, or something...
     'avatar_url': {
-        # 'type': 'url', 'required': False
-        'type': 'string', 'required': False
+        'coerce': EmbedURL, 'required': False
     },
 
     'embeds': {