删除了ai识别验证码部分，新增个人成绩补考标识和cet成绩查询

grpc/handler.go

@@ -2,21 +2,46 @@ package grpc
 
 import (
 	"context"
+	"encoding/json"
 	"errors"
 	"fmt"
 	"log/slog"
 	"sync"
 	"time"
 
+	"schedule_converter/service"
+
 	pb "schedule_converter/proto/runner"
 )
 
 type TaskHandler struct {
 	cancelledTasks sync.Map
+	service        *service.Service
 }
 
 func NewTaskHandler() *TaskHandler {
-	return &TaskHandler{}
+	return &TaskHandler{service: service.NewService()}
+}
+
+func supportedTaskTypes() []pb.TaskType {
+	return []pb.TaskType{
+		pb.TaskType_TASK_TYPE_LOGIN,
+		pb.TaskType_TASK_TYPE_GET_SCHEDULE,
+		pb.TaskType_TASK_TYPE_GET_GRADES,
+		pb.TaskType_TASK_TYPE_GET_EXAMS,
+		pb.TaskType_TASK_TYPE_GET_EMPTY_CLASSROOM,
+		pb.TaskType_TASK_TYPE_GET_CET,
+	}
+}
+
+func unmarshalPayload(payload []byte, v any) error {
+	if len(payload) == 0 {
+		return fmt.Errorf("任务 payload 为空")
+	}
+	if err := json.Unmarshal(payload, v); err != nil {
+		return fmt.Errorf("解析任务 payload 失败: %w", err)
+	}
+	return nil
 }
 
 func (h *TaskHandler) Execute(task *pb.Task) *pb.TaskResult {
@@ -71,6 +96,8 @@ func (h *TaskHandler) dispatch(ctx context.Context, task *pb.Task) ([]byte, erro
 		return h.login(ctx, task.Payload)
 	case pb.TaskType_TASK_TYPE_GET_EMPTY_CLASSROOM:
 		return h.getEmptyClassrooms(ctx, task.Payload)
+	case pb.TaskType_TASK_TYPE_GET_CET:
+		return h.getCET(ctx, task.Payload)
 	default:
 		return nil, fmt.Errorf("%w: %v", errUnknownTaskType, task.Type)
 	}