Files
schedule_converter/service/schedule.go
lafay ab37aeb2fc
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refactor: introduce service layer and migrate gRPC handlers to use it
Extract business logic from gRPC handlers into a dedicated service package.
Add context support throughout for cancellation and timeouts. Move models to
their own package, remove hardcoded credentials from config, and simplify
parsers to only handle HTML parsing.
2026-06-16 18:33:13 +08:00

76 lines
1.9 KiB
Go

package service
import (
"context"
"fmt"
"strings"
"schedule_converter/client"
"schedule_converter/config"
"schedule_converter/models"
"schedule_converter/parser"
apperr "schedule_converter/pkg/errors"
pb "schedule_converter/proto/runner"
)
// GetSchedule 获取课表:登录 → POST 查询 → 解析 → 转换为 pb 结果。
func (s *Service) GetSchedule(ctx context.Context, req *pb.GetSchedulePayload) (*pb.ScheduleResultData, error) {
httpClient, err := s.newAuthenticatedClient(ctx, req.Username, req.Password, "")
if err != nil {
return nil, err
}
semester := req.Semester
if semester == "" {
semester = config.Get().Semester
}
data := fmt.Sprintf("xnxq=%s", semester)
html, err := client.FetchHTML(ctx, httpClient, "POST", "/kbcx/queryGrkb", strings.NewReader(data), "application/x-www-form-urlencoded", "")
if err != nil {
return nil, apperr.New("fetch_schedule", err, "获取课表失败")
}
courses, err := parser.ParseScheduleHTML(html)
if err != nil {
return nil, apperr.New("parse_schedule", err, "解析课表失败")
}
return &pb.ScheduleResultData{
StudentId: req.Username,
Semester: semester,
Courses: convertCourses(courses),
}, nil
}
// convertCourses 将内部课程模型转换为 pb.Course 列表。
func convertCourses(courses []models.Course) []*pb.Course {
result := make([]*pb.Course, len(courses))
for i, c := range courses {
schedule := make([]*pb.ScheduleTime, len(c.Schedule))
for j, sc := range c.Schedule {
schedule[j] = &pb.ScheduleTime{
Day: sc.Day,
Sections: toInt32Slice(sc.Section),
Weeks: toInt32Slice(sc.Weeks),
}
}
result[i] = &pb.Course{
Name: c.Name,
Teacher: c.Teacher,
Room: c.Room,
Schedule: schedule,
}
}
return result
}
func toInt32Slice(arr []int) []int32 {
result := make([]int32, len(arr))
for i, v := range arr {
result[i] = int32(v)
}
return result
}