from django.contrib import admin
from .models import Course, SC

# Register your models here.

admin.site.site_header = '教务系统管理端'


class CourseAdmin(admin.ModelAdmin):
    '''设置列表可显示的字段'''
    list_display = ('cid', 'name', 'type', 'credit', "tid")

    '''设置过滤选项'''
    list_filter = ('name', 'credit', 'type')

    '''每页显示条目数'''
    list_per_page = 5

    '''设置可编辑字段'''
    list_editable = ('name', 'type', 'credit', "tid")

    '''按发布日期排序'''
    ordering = ('-credit',)

    search_fields = ('name', 'type', 'credit', "tid")


class ScAdmin(admin.ModelAdmin):
    list_display = ('student_name', 'course_name', 'middle_grade', 'end_grade')
    list_per_page = 5

    def student_name(self, obj):
        print(obj)
        return obj.sid.name

    def course_name(self, obj):
        return obj.cid.name

    list_editable = ('middle_grade', "end_grade")

    ordering = ('-end_grade',)


admin.site.register(Course, CourseAdmin)
admin.site.register(SC, ScAdmin)