fix(discord): declare fields on Discord message components

astrbot/core/platform/sources/discord/components.py

@@ -8,6 +8,14 @@ class DiscordEmbed(BaseMessageComponent):
     """Discord Embed消息组件"""
 
     type: str = "discord_embed"
+    title: str | None = None
+    description: str | None = None
+    color: int | None = None
+    url: str | None = None
+    thumbnail: str | None = None
+    image: str | None = None
+    footer: str | None = None
+    fields: list[dict] = []
 
     def __init__(
         self,
@@ -20,14 +28,16 @@ def __init__(
         footer: str | None = None,
         fields: list[dict] | None = None,
     ) -> None:
-        self.title = title
-        self.description = description
-        self.color = color
-        self.url = url
-        self.thumbnail = thumbnail
-        self.image = image
-        self.footer = footer
-        self.fields = fields or []
+        super().__init__(
+            title=title,
+            description=description,
+            color=color,
+            url=url,
+            thumbnail=thumbnail,
+            image=image,
+            footer=footer,
+            fields=fields or [],
+        )
 
     def to_discord_embed(self) -> discord.Embed:
         """转换为Discord Embed对象"""
@@ -62,6 +72,12 @@ class DiscordButton(BaseMessageComponent):
     """Discord按钮组件"""
 
     type: str = "discord_button"
+    label: str
+    custom_id: str | None = None
+    style: str = "primary"
+    emoji: str | None = None
+    url: str | None = None
+    disabled: bool = False
 
     def __init__(
         self,
@@ -72,36 +88,40 @@ def __init__(
         url: str | None = None,
         disabled: bool = False,
     ) -> None:
-        self.label = label
-        self.custom_id = custom_id
-        self.style = style
-        self.emoji = emoji
-        self.url = url
-        self.disabled = disabled
+        super().__init__(
+            label=label,
+            custom_id=custom_id,
+            style=style,
+            emoji=emoji,
+            url=url,
+            disabled=disabled,
+        )
 
 
 class DiscordReference(BaseMessageComponent):
     """Discord引用组件"""
 
     type: str = "discord_reference"
+    message_id: str
+    channel_id: str
 
     def __init__(self, message_id: str, channel_id: str) -> None:
-        self.message_id = message_id
-        self.channel_id = channel_id
+        super().__init__(message_id=message_id, channel_id=channel_id)
 
 
 class DiscordView(BaseMessageComponent):
     """Discord视图组件，包含按钮和选择菜单"""
 
     type: str = "discord_view"
+    components: list[BaseMessageComponent] = []
+    timeout: float | None = None
 
     def __init__(
         self,
         components: list[BaseMessageComponent] | None = None,
         timeout: float | None = None,
     ) -> None:
-        self.components = components or []
-        self.timeout = timeout
+        super().__init__(components=components or [], timeout=timeout)
 
     def to_discord_view(self) -> discord.ui.View:
         """转换为Discord View对象"""

astrbot/core/platform/sources/discord/discord_platform_event.py

@@ -2,7 +2,7 @@
 from collections.abc import AsyncGenerator
 from io import BytesIO
 from pathlib import Path
-from typing import cast
+from typing import Any, cast
 from urllib.parse import unquote, urlparse
 
 import discord
@@ -40,9 +40,10 @@
 # 自定义Discord视图组件（兼容旧版本）
 class DiscordViewComponent(BaseMessageComponent):
     type: str = "discord_view"
+    view: Any
 
     def __init__(self, view: discord.ui.View) -> None:
-        self.view = view
+        super().__init__(view=view)
 
 
 class DiscordPlatformEvent(AstrMessageEvent):

tests/unit/test_discord_components.py

@@ -0,0 +1,70 @@
+import discord
+import pytest
+from pydantic.v1 import ValidationError
+
+from astrbot.core.message.message_event_result import MessageChain
+from astrbot.core.platform.sources.discord.components import (
+    DiscordButton,
+    DiscordEmbed,
+    DiscordReference,
+    DiscordView,
+)
+from astrbot.core.platform.sources.discord.discord_platform_event import (
+    DiscordViewComponent,
+)
+
+
+def test_discord_embed_can_be_constructed_and_converted():
+    embed = DiscordEmbed(
+        title="title",
+        description="desc",
+        fields=[{"name": "a", "value": "b", "inline": True}],
+    )
+    chain = MessageChain([embed])
+
+    result = chain.chain[0].to_discord_embed()
+
+    assert result.title == "title"
+    assert result.description == "desc"
+    assert result.fields[0].name == "a"
+    assert result.fields[0].inline is True
+
+
+def test_discord_reference_keeps_ids():
+    ref = DiscordReference(message_id="1", channel_id="2")
+    assert (ref.message_id, ref.channel_id) == ("1", "2")
+
+
+@pytest.mark.asyncio
+async def test_discord_view_builds_buttons():
+    view = DiscordView(
+        components=[
+            DiscordButton(label="ok", custom_id="ok-id"),
+            DiscordButton(label="docs", url="https://example.com"),
+        ],
+        timeout=30,
+    ).to_discord_view()
+
+    assert view.timeout == 30
+    assert [item.label for item in view.children] == ["ok", "docs"]
+    assert view.children[1].style == discord.ButtonStyle.link
+
+    raw_view = discord.ui.View()
+    assert DiscordViewComponent(raw_view).view is raw_view
+
+
+@pytest.mark.parametrize("item", [1, "not-a-component", None])
+def test_discord_view_rejects_non_component_items(item):
+    """Validate each view item before constructing a Discord view.
+
+    Args:
+        item: A value outside the message-component contract.
+    """
+    with pytest.raises(ValidationError):
+        DiscordView(components=[item])
+
+
+def test_discord_view_serialization_preserves_button_fields():
+    """Typed view items must retain their concrete component fields."""
+    view = DiscordView(components=[DiscordButton(label="ok", custom_id="ok-id")])
+    assert view.dict()["components"][0]["label"] == "ok"