feat(Tools): add discord incoming webhook for sending messages (#7852)

api/core/tools/provider/builtin/discord/_assets/icon.svg

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api/core/tools/provider/builtin/discord/discord.py

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+from typing import Any
+
+from core.tools.provider.builtin.discord.tools.discord_webhook import DiscordWebhookTool
+from core.tools.provider.builtin_tool_provider import BuiltinToolProviderController
+
+
+class DiscordProvider(BuiltinToolProviderController):
+    def _validate_credentials(self, credentials: dict[str, Any]) -> None:
+        DiscordWebhookTool()

api/core/tools/provider/builtin/discord/discord.yaml

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+identity:
+  author: Ice Yao
+  name: discord
+  label:
+    en_US: Discord
+    zh_Hans: Discord
+    pt_BR: Discord
+  description:
+    en_US: Discord Webhook
+    zh_Hans: Discord Webhook
+    pt_BR: Discord Webhook
+  icon: icon.svg
+  tags:
+    - social
+    - productivity
+credentials_for_provider:

api/core/tools/provider/builtin/discord/tools/discord_webhook.py

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+from typing import Any, Union
+
+import httpx
+
+from core.tools.entities.tool_entities import ToolInvokeMessage
+from core.tools.tool.builtin_tool import BuiltinTool
+
+
+class DiscordWebhookTool(BuiltinTool):
+    def _invoke(self, user_id: str, tool_parameters: dict[str, Any]
+                ) -> Union[ToolInvokeMessage, list[ToolInvokeMessage]]:
+        """
+            Incoming Webhooks
+            API Document:
+                https://discord.com/developers/docs/resources/webhook#execute-webhook
+        """
+
+        content = tool_parameters.get('content', '')
+        if not content:
+            return self.create_text_message('Invalid parameter content')
+
+        webhook_url = tool_parameters.get('webhook_url', '')
+
+        if not webhook_url.startswith('https://discord.com/api/webhooks/'):
+            return self.create_text_message(
+                f'Invalid parameter webhook_url ${webhook_url}, \
+                    not a valid Discord webhook URL')
+
+        headers = {
+            'Content-Type': 'application/json',
+        }
+        params = {}
+        payload = {
+            "content": content,
+        }
+
+        try:
+            res = httpx.post(webhook_url, headers=headers,
+                             params=params, json=payload)
+            if res.is_success:
+                return self.create_text_message(
+                    "Text message was sent successfully")
+            else:
+                return self.create_text_message(
+                    f"Failed to send the text message, \
+                        status code: {res.status_code}, response: {res.text}")
+        except Exception as e:
+            return self.create_text_message(
+                "Failed to send message through webhook. {}".format(e))

api/core/tools/provider/builtin/discord/tools/discord_webhook.yaml

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+identity:
+  name: discord_webhook
+  author: Ice Yao
+  label:
+    en_US: Incoming Webhook to send message
+    zh_Hans: 通过入站Webhook发送消息
+    pt_BR: Incoming Webhook to send message
+  icon: icon.svg
+description:
+  human:
+    en_US: Sending a message on Discord via the Incoming Webhook
+    zh_Hans: 通过入站Webhook在Discord上发送消息
+    pt_BR: Sending a message on Discord via the Incoming Webhook
+  llm: A tool for sending messages to a chat on Discord.
+parameters:
+  - name: webhook_url
+    type: string
+    required: true
+    label:
+      en_US: Discord Incoming Webhook url
+      zh_Hans: Discord入站Webhook的url
+      pt_BR: Discord Incoming Webhook url
+    human_description:
+      en_US: Discord Incoming Webhook url
+      zh_Hans: Discord入站Webhook的url
+      pt_BR: Discord Incoming Webhook url
+    form: form
+  - name: content
+    type: string
+    required: true
+    label:
+      en_US: content
+      zh_Hans: 消息内容
+      pt_BR: content
+    human_description:
+      en_US: Content to sent to the channel or person.
+      zh_Hans: 消息内容文本
+      pt_BR: Content to sent to the channel or person.
+    llm_description: Content of the message
+    form: llm