claude-sdk-rs 1.0.0

/// Send Knowledge Reply Node - Sends the final response to the user
///
/// This node handles the final step of delivering the generated knowledge base response
/// to the user through the appropriate communication channel.
use async_trait::async_trait;
use serde_json::Value;

use crate::mcp::core::{error::WorkflowError, nodes::Node, task::TaskContext};

/// Sends the final knowledge base response to the user
///
/// Responsibilities:
/// - Validates that a response was generated
/// - Records delivery metadata (timestamp, content, type)
/// - Handles logging for monitoring and analytics
/// - In a real implementation, would integrate with communication channels
#[derive(Debug, Clone)]
pub struct SendKnowledgeReplyNode;
#[async_trait]
impl Node for SendKnowledgeReplyNode {
    async fn execute(&self, input: Value, _context: &TaskContext) -> Result<Value, WorkflowError> {
        let response = input
            .get("generated_response")
            .and_then(|v| v.as_str())
            .ok_or_else(|| WorkflowError::ValidationError {
                message: "No generated response found".to_string(),
            })?;

        let response_type = input
            .get("response_type")
            .and_then(|v| v.as_str())
            .unwrap_or("unknown");

        // In a real implementation, this would send the response via email, Slack, etc.
        let reply_timestamp = std::time::SystemTime::now()
            .duration_since(std::time::UNIX_EPOCH)
            .unwrap_or_default()
            .as_secs();

        // Log the response for monitoring
        println!("Knowledge Base Response ({}): {}", response_type, response);

        Ok(serde_json::json!({
            "reply_sent": true,
            "reply_content": response,
            "reply_timestamp": reply_timestamp,
            "reply_type": response_type,
            "event_data": input.get("event_data").cloned().unwrap_or(input.clone())
        }))
    }

    fn name(&self) -> &str {
        "SendKnowledgeReplyNode"
    }
}