update: update construction:

.gitignore

@@ -0,0 +1,2 @@
+venv
+.idea

requirements.txt

@@ -0,0 +1 @@
+Django==3.2.18

requirements/common.txt

@@ -1 +0,0 @@
-Django==3.2.18

xxmweb/apps/account/admin.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

xxmweb/apps/account/apps.py

@@ -0,0 +1,7 @@
+from django.apps import AppConfig
+
+
+
+class AccountConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'account'

xxmweb/apps/account/models.py

@@ -0,0 +1,81 @@
+from django.contrib.auth.base_user import AbstractBaseUser
+from django.db import models
+
+
+# Create your models here.
+class AccountType(object):
+    REGULAR_USER = "Regular User"
+    TEACHER = "Teacher"
+    ADMIN = "Admin"
+    SUPER_ADMIN = "Super Admin"
+
+
+class Account(models.Model):
+    # id = models.CharField(primary_key=True)
+    username = models.TextField(unique=True)
+    real_name = models.TextField()
+    password = models.CharField(null=False)
+    email = models.EmailField(null=True)
+    create_time = models.DateTimeField(auto_now_add=True, null=True)
+    gender = models.TextField()
+    # One of UserType
+    account_type = models.TextField(default=AccountType.REGULAR_USER)
+    is_active = models.BooleanField(default=True)
+    avatar = models.TextField()
+    signature  = models.TextField()
+
+    def is_role(self):
+        return self.account_type
+
+    def is_admin(self):
+        return self.account_type == AccountType.ADMIN
+
+    def is_super_admin(self):
+        return self.account_type == AccountType.SUPER_ADMIN
+
+    def is_admin_role(self):
+        return self.account_type in [AccountType.ADMIN, AccountType.SUPER_ADMIN]
+
+
+class AccountProfile(Account):
+    blog = models.URLField(null=True)
+    mood = models.TextField(null=True)
+    github = models.TextField(null=True)
+    school = models.TextField(null=True)
+    major = models.TextField(null=True)
+    language = models.TextField(null=True)
+    # for acm
+    accepted_number = models.IntegerField(default=0)
+    # for OI
+    total_score = models.BigIntegerField(default=0)
+    submission_number = models.IntegerField(default=0)
+
+    def add_accepted_problem_number(self):
+        self.accepted_number = models.F("accepted_number") + 1
+        self.save()
+
+    def add_submission_number(self):
+        self.submission_number = models.F("submission_number") + 1
+        self.save()
+
+    # 计算总分时， 应先减掉上次该题所得分数， 然后再加上本次所得分数
+    def add_score(self, this_time_score, last_time_score=None):
+        last_time_score = last_time_score or 0
+        self.total_score = models.F("total_score") - last_time_score + this_time_score
+        self.save()
+
+    class Meta:
+        db_table = "user_profile"
+
+
+class Teacher(Account):
+    account_type = models.TextField(default=AccountType.TEACHER)
+
+    def is_teacher(self):
+        return self.account_type == AccountType.TEACHER
+
+class Student(Account):
+    account_type = models.TextField(default=AccountType.TEACHER)
+
+    def is_teacher(self):
+        return self.account_type == AccountType.TEACHER

xxmweb/apps/account/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

xxmweb/apps/account/views.py

@@ -0,0 +1,3 @@
+from django.shortcuts import render
+
+# Create your views here.

xxmweb/apps/course/admin.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

xxmweb/apps/course/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class CourseConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'course'

xxmweb/apps/course/models.py

@@ -0,0 +1,86 @@
+from enum import Enum
+
+from django.db import models
+from xxmweb.apps.account.models import Teacher, Student
+
+
+# Create your models here.
+
+class HardType(str, Enum):
+    EASY = '入门'
+    BASE = '基础'
+    MEDIUM = '提高'
+    HARD = '进阶'
+    Course_HardType_Choices = [
+        ('EASY', EASY),
+        ('BASE', BASE),
+        ('MEDIUM', MEDIUM),
+        ('HARD', HARD)
+    ]
+
+
+class Category(models.Model):
+    id = models.CharField(primary_key=True, auto_created=True)
+
+
+class Course(models.Model):
+    id = models.CharField(primary_key=True, auto_created=True)
+    title = models.CharField(max_length=255, null=False, verbose_name="课程标题")
+    introduction = models.CharField(
+        max_length=255, default="", verbose_name="课程介绍")
+    img = models.ImageField(upload_to="Lesson_img", verbose_name="课程图片")
+    banner = models.ImageField(upload_to="Lesson_banner", verbose_name="课程Banner")
+    price = models.IntegerField(default=0, verbose_name="课程价格")
+    is_discount = models.BooleanField(verbose_name="是否打折")
+    discount_Price = models.IntegerField(default=0, verbose_name="打折后价格")
+    create_time = models.DateTimeField(
+        auto_now=True, max_length=255, verbose_name="课程创建时间")
+    persons = models.IntegerField(default=0, verbose_name="学习人数")
+    hard = models.CharField(choices=HardType.Course_HardType_Choices)
+
+    # 课程分类
+    category = models.ForeignKey(Category, on_delete=models.DO_NOTHING, verbose_name="课程分类", default="",
+                                 blank=True, db_constraint=False)
+
+    # 课程老师
+    teacher = models.OneToOneField(Teacher, on_delete=models.DO_NOTHING, verbose_name="课程讲师", default="",
+                                blank=True, db_constraint=False)
+
+    # 参加学生
+    student = models.ManyToManyField(Student,db_constraint=False,blank=True,)
+    class Meta:
+        verbose_name = '课程'
+        verbose_name_plural = verbose_name
+
+class Chapter(models.Model):
+    id = models.CharField(primary_key=True, auto_created=True)
+    title = models.CharField(max_length=255, null=False, verbose_name="课程标题")
+    introduction = models.CharField(
+        max_length=255, default="", verbose_name="课程介绍")
+    course = models.ForeignKey(Course,on_delete=models.DO_NOTHING,verbose_name="章节")
+
+class Catalog(models.Model):
+    lessonid = models.CharField(max_length=255, verbose_name="课程id")
+    introduction = models.CharField(
+        max_length=255, default="", verbose_name="课程介绍")
+    isComplete = models.BooleanField(verbose_name="是否完结")
+
+    class Meta:
+        verbose_name = '课程目录信息'
+        verbose_name_plural = verbose_name
+
+
+class Lesson(models.Model):
+    title = models.CharField(max_length=255, verbose_name="课程标题", unique=True)
+    introduction = models.CharField(
+        max_length=255, default="", verbose_name="课程介绍")
+    img = models.ImageField(upload_to="Lesson_img",
+                      max_length=255, verbose_name="课程图片")
+    create_time = models.DateTimeField(
+        auto_now=True, max_length=255, verbose_name="课程添加时间")
+    click_count = models.IntegerField(default=0, verbose_name="学习人数")
+    # comments = models.IntegerField(default=0, verbose_name="评论数")
+    # video = models.OneToOneField()
+    class Meta:
+        verbose_name = '课程'
+        verbose_name_plural = verbose_name

xxmweb/apps/course/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

xxmweb/apps/course/views.py

@@ -0,0 +1,3 @@
+from django.shortcuts import render
+
+# Create your views here.

xxmweb/settings.py

@@ -31,6 +31,7 @@ ALLOWED_HOSTS = []
 # Application definition
 
 INSTALLED_APPS = [
+    'xxmweb.apps.account.apps.AccountConfig'
     'django.contrib.admin',
     'django.contrib.auth',
     'django.contrib.contenttypes',
@@ -73,14 +74,24 @@ WSGI_APPLICATION = 'xxmweb.wsgi.application'
 # Database
 # https://docs.djangoproject.com/en/3.2/ref/settings/#databases
 
+# DATABASES = {
+#     'default': {
+#         'ENGINE': 'django.db.backends.sqlite3',
+#         'NAME': BASE_DIR / 'db.sqlite3',
+#     }
+# }
 DATABASES = {
     'default': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': BASE_DIR / 'db.sqlite3',
+        'ENGINE': 'django.db.backends.mysql',
+        'NAME': 'xxm_oj',
+        'USER': 'root',
+        'PASSWORD': 'root',
+        'HOST': '127.0.0.1',
+        'PORT': '3306',
+        'DEFAULT-CHARACTER-SET': 'utf8',
     }
 }
 
-
 # Password validation
 # https://docs.djangoproject.com/en/3.2/ref/settings/#auth-password-validators
 
@@ -103,16 +114,16 @@ AUTH_PASSWORD_VALIDATORS = [
 # Internationalization
 # https://docs.djangoproject.com/en/3.2/topics/i18n/
 
-LANGUAGE_CODE = 'en-us'
+LANGUAGE_CODE = 'zh-hans'
 
-TIME_ZONE = 'UTC'
+TIME_ZONE = 'Asia/Shanghai'
 
 USE_I18N = True
 
 USE_L10N = True
 
-USE_TZ = True
-
+# USE_TZ = True
+USE_TZ = False
 
 # Static files (CSS, JavaScript, Images)
 # https://docs.djangoproject.com/en/3.2/howto/static-files/