channel.messages: add embed insertion

- storage: move pg_set_json to litecord.utils to fix circular imports
 - storage: add embed fetch to get_message
 - embed.schemas: fix author.url's url
 - schemas: add EMBED_OBJECT to MESSAGE_CREATE

litecord/blueprints/channel/messages.py

@@ -10,6 +10,7 @@ from litecord.errors import MessageNotFound, Forbidden, BadRequest
 from litecord.enums import MessageType, ChannelType, GUILD_CHANS
 from litecord.snowflake import get_snowflake
 from litecord.schemas import validate, MESSAGE_CREATE
+from litecord.utils import pg_set_json
 
 
 log = Logger(__name__)
@@ -143,11 +144,15 @@ async def create_message(channel_id: int, actual_guild_id: int,
                          author_id: int, data: dict) -> int:
     message_id = get_snowflake()
 
-    await app.db.execute(
+    async with app.db.acquire() as conn:
+        await pg_set_json(conn)
+
+        await conn.execute(
             """
             INSERT INTO messages (id, channel_id, guild_id, author_id,
-            content, tts, mention_everyone, nonce, message_type)
-        VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)
+                content, tts, mention_everyone, nonce, message_type,
+                embeds)
+            VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
         """,
             message_id,
             channel_id,
@@ -159,7 +164,8 @@ async def create_message(channel_id: int, actual_guild_id: int,
             data['everyone_mention'],
 
             data['nonce'],
-        MessageType.DEFAULT.value
+            MessageType.DEFAULT.value,
+            data.get('embeds', [])
         )
 
     return message_id
@@ -231,7 +237,6 @@ async def _create_message(channel_id):
         actual_guild_id = guild_id
 
     j = validate(await request.get_json(), MESSAGE_CREATE)
-    message_id = get_snowflake()
 
     # TODO: check connection to the gateway
 
@@ -247,11 +252,13 @@ async def _create_message(channel_id):
                   user_id, channel_id, 'send_tts_messages', False
               ))
 
-    await create_message(channel_id, actual_guild_id, user_id, {
+    message_id = await create_message(
+        channel_id, actual_guild_id, user_id, {
             'content': j['content'],
             'tts': is_tts,
             'nonce': int(j.get('nonce', 0)),
             'everyone_mention': mentions_everyone or mentions_here,
+            'embeds': [j['embed']] if 'embed' in j else [],
         })
 
     payload = await app.storage.get_message(message_id, user_id)

litecord/embed/schemas.py

@@ -2,7 +2,6 @@
 litecord.embed.schemas - embed input validators.
 """
 import urllib.parse
-
 from litecord.types import Color
 
 
@@ -46,7 +45,7 @@ EMBED_AUTHOR = {
         'type': 'string', 'minlength': 1, 'maxlength': 128, 'required': False
     },
     'url': {
-        'type': EmbedURL, 'required': False,
+        'coerce': EmbedURL, 'required': False,
     },
     'icon_url': {
         'coerce': EmbedURL, 'required': False,
@@ -56,10 +55,7 @@ EMBED_AUTHOR = {
 EMBED_OBJECT = {
     'title': {
         'type': 'string', 'minlength': 1, 'maxlength': 128, 'required': False},
-    'type': {
-        'type': 'string', 'allowed': ['rich'], 'required': False,
-        'default': 'rich'
-    },
+    # NOTE: type set by us
     'description': {
         'type': 'string', 'minlength': 1, 'maxlength': 1024, 'required': False,
     },

litecord/schemas.py

@@ -12,6 +12,7 @@ from .enums import (
     MessageNotifications, ChannelType, VerificationLevel
 )
 
+from litecord.embed.schemas import EMBED_OBJECT
 
 log = Logger(__name__)
 
@@ -372,6 +373,12 @@ MESSAGE_CREATE = {
     'nonce': {'type': 'snowflake', 'required': False},
     'tts': {'type': 'boolean', 'required': False},
 
+    'embed': {
+        'type': 'dict',
+        'schema': EMBED_OBJECT,
+        'required': False
+    }
+
     # TODO: file, embed, payload_json
 }
 

litecord/storage.py

@@ -12,6 +12,7 @@ from litecord.blueprints.channel.reactions import (
 from litecord.blueprints.user.billing import PLAN_ID_TO_TYPE
 
 from litecord.types import timestamp_
+from litecord.utils import pg_set_json
 
 
 log = Logger(__name__)
@@ -33,24 +34,6 @@ def str_(val):
     return maybe(str, val)
 
 
-async def _set_json(con):
-    """Set JSON and JSONB codecs for an
-    asyncpg connection."""
-    await con.set_type_codec(
-        'json',
-        encoder=json.dumps,
-        decoder=json.loads,
-        schema='pg_catalog'
-    )
-
-    await con.set_type_codec(
-        'jsonb',
-        encoder=json.dumps,
-        decoder=json.loads,
-        schema='pg_catalog'
-    )
-
-
 def _filter_recipients(recipients: List[Dict[str, Any]], user_id: int):
     """Filter recipients in a list of recipients, removing
     the one that is reundant (ourselves)."""
@@ -73,13 +56,13 @@ class Storage:
         # set_type_codec, so we must set it manually
         # by acquiring the connection
         async with self.db.acquire() as con:
-            await _set_json(con)
+            await pg_set_json(con)
             return await con.fetchrow(query, *args)
 
     async def fetch_with_json(self, query: str, *args):
         """Fetch many rows with JSON/JSONB support."""
         async with self.db.acquire() as con:
-            await _set_json(con)
+            await pg_set_json(con)
             return await con.fetch(query, *args)
 
     async def get_user(self, user_id, secure=False) -> Dict[str, Any]:
@@ -631,10 +614,10 @@ class Storage:
 
     async def get_message(self, message_id: int, user_id=None) -> Dict:
         """Get a single message's payload."""
-        row = await self.db.fetchrow("""
+        row = await self.fetchrow_with_json("""
         SELECT id::text, channel_id::text, author_id, content,
             created_at AS timestamp, edited_at AS edited_timestamp,
-            tts, mention_everyone, nonce, message_type
+            tts, mention_everyone, nonce, message_type, embeds
         FROM messages
         WHERE id = $1
         """, message_id)
@@ -698,9 +681,6 @@ class Storage:
         # TODO: res['attachments']
         res['attachments'] = []
 
-        # TODO: res['embeds']
-        res['embeds'] = []
-
         # TODO: res['member'] for partial member data
         #  of the author
 

litecord/utils.py

@@ -1,4 +1,5 @@
 import asyncio
+import json
 from logbook import Logger
 
 log = Logger(__name__)
@@ -110,3 +111,21 @@ def mmh3(key: str, seed: int = 0):
     h1 ^= _u(h1) >> 16
 
     return _u(h1) >> 0
+
+
+async def pg_set_json(con):
+    """Set JSON and JSONB codecs for an
+    asyncpg connection."""
+    await con.set_type_codec(
+        'json',
+        encoder=json.dumps,
+        decoder=json.loads,
+        schema='pg_catalog'
+    )
+
+    await con.set_type_codec(
+        'jsonb',
+        encoder=json.dumps,
+        decoder=json.loads,
+        schema='pg_catalog'
+    )