openlark-platform 0.18.0

//! 转交人工任务
//!
//! 文档: <https://open.feishu.cn/document/apaas-v1/flow/user-task/transfer>
//! docPath: <https://open.feishu.cn/document/apaas-v1/flow/user-task/transfer>

use openlark_core::{
    SDKResult,
    api::{ApiRequest, ApiResponseTrait, ResponseFormat},
    config::Config,
    http::Transport,
    req_option::RequestOption,
};
use serde::{Deserialize, Serialize};

/// 转交人工任务 Builder
#[derive(Debug, Clone)]
pub struct TransferApprovalTaskRequestBuilder {
    config: Config,
    /// 审批任务 ID
    approval_task_id: String,
    /// 转交人用户 ID
    transfer_to_user_id: String,
    /// 转交原因
    reason: Option<String>,
}

impl TransferApprovalTaskRequestBuilder {
    /// 创建新的 Builder
    pub fn new(
        config: Config,
        approval_task_id: impl Into<String>,
        transfer_to_user_id: impl Into<String>,
    ) -> Self {
        Self {
            config,
            approval_task_id: approval_task_id.into(),
            transfer_to_user_id: transfer_to_user_id.into(),
            reason: None,
        }
    }

    /// 设置转交原因
    pub fn reason(mut self, reason: impl Into<String>) -> Self {
        self.reason = Some(reason.into());
        self
    }

    /// 执行请求
    pub async fn execute(self) -> SDKResult<TransferApprovalTaskResponse> {
        self.execute_with_options(RequestOption::default()).await
    }

    /// 使用选项执行请求
    pub async fn execute_with_options(
        self,
        option: RequestOption,
    ) -> SDKResult<TransferApprovalTaskResponse> {
        let url = format!(
            "/open-apis/apaas/v1/approval_tasks/{}/transfer",
            self.approval_task_id
        );

        let request = TransferApprovalTaskRequest {
            transfer_to_user_id: self.transfer_to_user_id,
            reason: self.reason,
        };

        let req = ApiRequest::<TransferApprovalTaskResponse>::post(&url)
            .body(serde_json::to_value(&request)?);
        let resp = Transport::request(req, &self.config, Some(option)).await?;
        resp.data
            .ok_or_else(|| openlark_core::error::validation_error("Operation", "响应数据为空"))
    }
}

/// 转交人工任务请求
#[derive(Debug, Clone, Deserialize, Serialize)]
struct TransferApprovalTaskRequest {
    /// 转交人用户 ID
    #[serde(rename = "transfer_to_user_id")]
    transfer_to_user_id: String,
    /// 转交原因
    #[serde(rename = "reason", skip_serializing_if = "Option::is_none")]
    reason: Option<String>,
}

/// 转交人工任务响应
#[derive(Debug, Clone, Deserialize, Serialize)]
pub struct TransferApprovalTaskResponse {
    /// 任务 ID
    #[serde(rename = "task_id")]
    pub task_id: String,
    /// 转交结果
    #[serde(rename = "result")]
    pub result: bool,
    /// 结果消息
    #[serde(rename = "message")]
    pub message: String,
}

impl ApiResponseTrait for TransferApprovalTaskResponse {
    fn data_format() -> ResponseFormat {
        ResponseFormat::Data
    }
}

/// 旧名兼容别名（将在 v1.0 移除）
#[deprecated(
    note = "renamed to TransferApprovalTaskRequestBuilder, will be removed in v1.0 (#271)"
)]
pub type TransferApprovalTaskBuilder = TransferApprovalTaskRequestBuilder;

#[cfg(test)]
mod tests {
    use super::*;

    /// 端到端：POST .../approval_tasks/{id}/transfer → 强类型 TransferApprovalTaskResponse。
    #[tokio::test]
    async fn test_transfer_approval_task_returns_data_on_success() {
        use serde_json::json;
        use wiremock::MockServer;
        use wiremock::matchers::{method, path};
        use wiremock::{Mock, ResponseTemplate};

        let server = MockServer::start().await;
        Mock::given(method("POST"))
            .and(path("/open-apis/apaas/v1/approval_tasks/task_001/transfer"))
            .respond_with(ResponseTemplate::new(200).set_body_json(json!({
                "code": 0,
                "msg": "success",
                "data": {
                    "task_id": "task_001",
                    "result": true,
                    "message": "转交成功"
                }
            })))
            .mount(&server)
            .await;

        let config = Config::builder()
            .app_id("ci_app_id")
            .app_secret("ci_app_secret")
            .base_url(server.uri())
            .enable_token_cache(false)
            .build();

        let resp = TransferApprovalTaskRequestBuilder::new(config, "task_001", "u_002")
            .reason("出差转交")
            .execute()
            .await
            .expect("转交人工任务应成功");
        assert_eq!(resp.task_id, "task_001");
        assert!(resp.result);
        assert_eq!(resp.message, "转交成功");

        let received = server.received_requests().await.unwrap_or_default();
        assert_eq!(received.len(), 1);
        assert_eq!(
            received[0].url.path(),
            "/open-apis/apaas/v1/approval_tasks/task_001/transfer"
        );
    }
}