Migrate ClassSchedule and Course schemas to Go; with valida…

src/lib/schema/ClassSchedule.go

@@ -0,0 +1,18 @@
+package schema
+
+type Visibility string
+
+const (
+	PRIVATE     Visibility = "private"
+	FRIENDSONLY Visibility = "friendsOnly"
+	LINKONLY    Visibility = "linkOnly"
+	PUBLIC      Visibility = "public"
+)
+
+type ClassSchedule struct {
+	Name       string     `json:"Name"`
+	Year       int        `json:"Year" binding:"required"`
+	Semester   int        `json:"Semester" binding:"required"`
+	Visibility Visibility `json:"Visibility" binding:"required,oneof=private friendsOnly linkOnly public"`
+	Courses    []string   `json:"Courses" binding:"dive"`
+}

src/lib/schema/Course.go

@@ -0,0 +1,50 @@
+package schema
+
+import "regexp"
+
+type CourseCategory string
+
+const (
+	COMPULSORY       CourseCategory = "Compulsory"
+	ELECTIVE         CourseCategory = "Elective"
+	GENERAL          CourseCategory = "General"
+	PE               CourseCategory = "PE"
+	MILITARY         CourseCategory = "Military"
+	TEACHEREDUCATION CourseCategory = "TeacherEducation"
+	OTHER            CourseCategory = "Other"
+)
+
+type CourseTime struct {
+	Start string `json:"Start" binding:"required"`
+	End   string `json:"End" binding:"required"`
+}
+
+type Course struct {
+	CourseClassroom    string         `json:"CourseClassroom" binding:"required,min=0,max=16"`
+	CourseYear         int            `json:"CourseYear" binding:"required"`
+	CourseSemester     int            `json:"CourseSemester" binding:"required"`
+	CourseCredit       int            `json:"CourseCredit" binding:"required"`
+	CourseNumber       string         `json:"CourseNumber" binding:"omitempty,min=1,max=16"`
+	CourseNameZh       string         `json:"CourseNameZh" binding:"omitempty,min=1,max=32"`
+	CourseNameEn       string         `json:"CourseNameEn" binding:"omitempty,min=1,max=128"`
+	CourseProvider     []string       `json:"CourseProvider" binding:"dive,min=1,max=64"`
+	CourseDepartment   []string       `json:"CourseDepartment" binding:"dive,min=1,max=64"`
+	CourseTime         []CourseTime   `json:"CourseTime" binding:"dive"`
+	Emi                bool           `json:"Emi"`
+	CourseCategory     CourseCategory `json:"CourseCategory" binding:"required,oneof=Compulsory Elective General PE Military TeacherEducation Other"`
+	CourseStudentCount int            `json:"CourseStudentCount" binding:"required,gte=0"`
+	CourseArea         []string       `json:"CourseArea" binding:"dive,min=1,max=64"` // for General Education or maybe can add Elective too
+	Url                string         `json:"Url" binding:"omitempty,url"`
+	Others             string         `json:"Others" binding:"omitempty,min=1,max=1024"`
+	Exist              bool           `json:"Exist"` // bool can't use binding:"required"
+}
+
+func CourseTimeRegexCheck(course Course) bool {
+	re := regexp.MustCompile(`^(Mon|Tue|Wed|Thu|Fri|Sat|Sun)-([01]\d|2[0-3]):([0-5]\d)$`)
+	for _, ct := range course.CourseTime {
+		if !re.MatchString(ct.Start) || !re.MatchString(ct.End) {
+			return false
+		}
+	}
+	return true
+}