smartmate/backend/gateway/api/schedule.go

package api

import (
	"context"
	"net/http"
	"strconv"
	"time"

	"github.com/LoveLosita/smartflow/backend/gateway/shared/respond"
	schedulecontracts "github.com/LoveLosita/smartflow/backend/shared/contracts/schedule"
	"github.com/LoveLosita/smartflow/backend/shared/ports"
	"github.com/gin-gonic/gin"
)

const scheduleRequestTimeout = 6 * time.Second

type ScheduleAPI struct {
	scheduleClient ports.ScheduleCommandClient
}

func NewScheduleAPI(scheduleClient ports.ScheduleCommandClient) *ScheduleAPI {
	return &ScheduleAPI{
		scheduleClient: scheduleClient,
	}
}

func (s *ScheduleAPI) GetUserTodaySchedule(c *gin.Context) {
	// 1. 从请求上下文中获取用户ID
	userID := c.GetInt("user_id")
	//2.调用服务层方法获取用户当天的日程安排
	ctx, cancel := context.WithTimeout(c.Request.Context(), scheduleRequestTimeout)
	defer cancel() // 记得释放资源
	todaySchedules, err := s.scheduleClient.GetUserTodaySchedule(ctx, userID)
	if err != nil {
		respond.DealWithError(c, err)
		return
	}
	//3.返回日程安排数据给前端
	c.JSON(http.StatusOK, respond.RespWithData(respond.Ok, todaySchedules))
}

func (s *ScheduleAPI) GetUserWeeklySchedule(c *gin.Context) {
	// 1. 从请求上下文中获取用户ID
	userID := c.GetInt("user_id")
	// 2. 从查询参数中获取 week 参数
	week, err := strconv.Atoi(c.Query("week"))
	if err != nil {
		c.JSON(http.StatusBadRequest, respond.WrongParamType)
		return
	}
	//3.调用服务层方法获取用户当周的日程安排
	ctx, cancel := context.WithTimeout(c.Request.Context(), scheduleRequestTimeout)
	defer cancel() // 记得释放资源
	weeklySchedules, err := s.scheduleClient.GetUserWeeklySchedule(ctx, userID, week)
	if err != nil {
		respond.DealWithError(c, err)
		return
	}
	//4.返回日程安排数据给前端
	c.JSON(http.StatusOK, respond.RespWithData(respond.Ok, weeklySchedules))
}

func (s *ScheduleAPI) DeleteScheduleEvent(c *gin.Context) {
	// 1. 从请求上下文中获取用户ID
	userID := c.GetInt("user_id")
	// 2. 从请求体中获取要删除的日程事件信息
	var req []schedulecontracts.UserDeleteScheduleEvent
	if err := c.ShouldBindJSON(&req); err != nil {
		c.JSON(http.StatusBadRequest, respond.WrongParamType)
		return
	}
	//3.调用服务层方法删除指定的日程事件
	ctx, cancel := context.WithTimeout(c.Request.Context(), scheduleRequestTimeout)
	defer cancel() // 记得释放资源
	err := s.scheduleClient.DeleteScheduleEvent(ctx, schedulecontracts.DeleteScheduleEventsRequest{
		UserID: userID,
		Events: req,
	})
	if err != nil {
		respond.DealWithError(c, err)
		return
	}
	//4.返回删除成功的响应给前端
	c.JSON(http.StatusOK, respond.Ok)
}

func (s *ScheduleAPI) GetUserRecentCompletedSchedules(c *gin.Context) {
	// 1. 从请求上下文中获取用户ID以及其他查询参数（如 index 和 limit）
	userID := c.GetInt("user_id")
	index := c.Query("index")
	limit := c.Query("limit")
	intIndex, err := strconv.Atoi(index)
	if err != nil {
		c.JSON(http.StatusBadRequest, respond.WrongParamType)
		return
	}
	intLimit, err := strconv.Atoi(limit)
	if err != nil {
		c.JSON(http.StatusBadRequest, respond.WrongParamType)
		return
	}
	//2.调用服务层方法获取用户最近完成的日程事件
	ctx, cancel := context.WithTimeout(c.Request.Context(), scheduleRequestTimeout)
	defer cancel() // 记得释放资源
	completedSchedules, err := s.scheduleClient.GetUserRecentCompletedSchedules(ctx, schedulecontracts.RecentCompletedRequest{
		UserID: userID,
		Index:  intIndex,
		Limit:  intLimit,
	})
	if err != nil {
		respond.DealWithError(c, err)
		return
	}
	//3.返回数据给前端
	c.JSON(http.StatusOK, respond.RespWithData(respond.Ok, completedSchedules))
}

func (s *ScheduleAPI) GetUserOngoingSchedule(c *gin.Context) {
	// 1. 从请求上下文中获取用户ID
	userID := c.GetInt("user_id")
	//2.调用服务层方法获取用户正在进行的日程事件
	ctx, cancel := context.WithTimeout(c.Request.Context(), scheduleRequestTimeout)
	defer cancel() // 记得释放资源
	ongoingSchedule, err := s.scheduleClient.GetUserOngoingSchedule(ctx, userID)
	if err != nil {
		respond.DealWithError(c, err)
		return
	}
	//3.返回数据给前端
	c.JSON(http.StatusOK, respond.RespWithData(respond.Ok, ongoingSchedule))
}

func (s *ScheduleAPI) UserRevocateTaskItemFromSchedule(c *gin.Context) {
	// 1. 从请求上下文中获取用户ID
	userID := c.GetInt("user_id")
	// 2. 获取要撤销的任务块ID
	eventID := c.Query("event_id")
	intEventID, err := strconv.Atoi(eventID)
	if err != nil {
		c.JSON(http.StatusBadRequest, respond.WrongParamType)
		return
	}
	//3.调用服务层方法撤销任务块的安排
	ctx, cancel := context.WithTimeout(c.Request.Context(), scheduleRequestTimeout)
	defer cancel()
	err = s.scheduleClient.RevokeTaskItemFromSchedule(ctx, schedulecontracts.RevokeTaskItemRequest{
		UserID:  userID,
		EventID: intEventID,
	})
	if err != nil {
		respond.DealWithError(c, err)
		return
	}
	//4.返回撤销成功的响应给前端
	c.JSON(http.StatusOK, respond.Ok)
}

func (s *ScheduleAPI) SmartPlanning(c *gin.Context) {
	// 1. 从请求上下文中获取用户ID
	userID := c.GetInt("user_id")
	// 2. 从请求参数中获取智能规划的 task_class_id
	taskClassID := c.Query("task_class_id")
	intTaskClassID, err := strconv.Atoi(taskClassID)
	if err != nil {
		c.JSON(http.StatusBadRequest, respond.WrongParamType)
		return
	}
	//3.调用服务层方法进行智能规划
	ctx, cancel := context.WithTimeout(c.Request.Context(), scheduleRequestTimeout)
	defer cancel() // 记得释放资源
	res, err := s.scheduleClient.SmartPlanning(ctx, schedulecontracts.SmartPlanningRequest{
		UserID:      userID,
		TaskClassID: intTaskClassID,
	})
	if err != nil {
		respond.DealWithError(c, err)
		return
	}
	//4.返回智能规划成功的响应给前端
	c.JSON(http.StatusOK, respond.RespWithData(respond.Ok, res))
}

// SmartPlanningMulti 处理“多任务类智能粗排”请求。
//
// 职责边界：
// 1. 只负责参数绑定、超时控制、错误透传；
// 2. 具体业务校验与排序策略由 service 层统一处理；
// 3. 保留已有单任务类接口，不与其互斥。
func (s *ScheduleAPI) SmartPlanningMulti(c *gin.Context) {
	// 1. 从请求上下文中读取登录用户 ID。
	userID := c.GetInt("user_id")

	// 2. 绑定多任务类请求体。
	var req struct {
		TaskClassIDs []int `json:"task_class_ids" binding:"required,min=1,dive,min=1"`
	}
	if err := c.ShouldBindJSON(&req); err != nil {
		c.JSON(http.StatusBadRequest, respond.WrongParamType)
		return
	}

	// 3. 调用服务层执行多任务类粗排。
	ctx, cancel := context.WithTimeout(c.Request.Context(), scheduleRequestTimeout)
	defer cancel()
	res, err := s.scheduleClient.SmartPlanningMulti(ctx, schedulecontracts.SmartPlanningMultiRequest{
		UserID:       userID,
		TaskClassIDs: req.TaskClassIDs,
	})
	if err != nil {
		respond.DealWithError(c, err)
		return
	}

	// 4. 返回成功响应。
	c.JSON(http.StatusOK, respond.RespWithData(respond.Ok, res))
}