feat: 城市手册后端完成 - 用户/区域/内容/服务/审核系统
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214
city-manual/backend/regions/models.py
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214
city-manual/backend/regions/models.py
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from django.db import models
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from django.utils import timezone
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class Region(models.Model):
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"""版块/区域表 - 省市区乡镇村层级结构"""
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LEVEL_CHOICES = [
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('province', '省级'),
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('city', '市级'),
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('county', '县级'),
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('town', '镇级'),
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('village', '村级'),
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]
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name = models.CharField('名称', max_length=100)
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level = models.CharField('级别', max_length=20, choices=LEVEL_CHOICES)
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parent = models.ForeignKey(
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'self',
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null=True,
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blank=True,
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on_delete=models.CASCADE,
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related_name='children',
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verbose_name='上级区域'
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)
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code = models.CharField('行政区划代码', max_length=20, blank=True)
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description = models.TextField('描述', blank=True)
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created_at = models.DateTimeField('创建时间', auto_now_add=True)
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updated_at = models.DateTimeField('更新时间', auto_now=True)
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is_active = models.BooleanField('是否启用', default=True)
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class Meta:
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verbose_name = '区域'
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verbose_name_plural = '区域'
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ordering = ['level', 'name']
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def __str__(self):
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return f"{self.name} ({self.get_level_display()})"
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def get_full_path(self):
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"""获取完整路径"""
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path = [self.name]
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current = self.parent
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while current:
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path.append(current.name)
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current = current.parent
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return ' > '.join(reversed(path))
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class ModeratorApplication(models.Model):
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"""版主申请表"""
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STATUS_CHOICES = [
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('pending', '待审核'),
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('approved', '已通过'),
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('rejected', '已拒绝'),
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('cancelled', '已取消'),
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]
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applicant = models.ForeignKey(
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'users.User',
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on_delete=models.CASCADE,
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related_name='moderator_applications',
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verbose_name='申请者'
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)
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region = models.ForeignKey(
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Region,
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on_delete=models.CASCADE,
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related_name='moderator_applications',
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verbose_name='申请区域'
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)
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application_reason = models.TextField('申请理由', blank=True)
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support_count = models.PositiveIntegerField('支持人数', default=0)
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required_support = models.PositiveIntegerField('所需支持人数', default=10)
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deadline = models.DateTimeField('截止时间')
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status = models.CharField('状态', max_length=20, choices=STATUS_CHOICES, default='pending')
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reviewer = models.ForeignKey(
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'users.User',
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null=True,
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blank=True,
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on_delete=models.SET_NULL,
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related_name='reviewed_applications',
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verbose_name='审核人'
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)
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reviewed_at = models.DateTimeField('审核时间', null=True, blank=True)
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review_comment = models.TextField('审核意见', blank=True)
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created_at = models.DateTimeField('申请时间', auto_now_add=True)
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class Meta:
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verbose_name = '版主申请'
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verbose_name_plural = '版主申请'
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ordering = ['-created_at']
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def __str__(self):
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return f"{self.applicant.username} 申请 {self.region.name} 版主"
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def is_expired(self):
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return timezone.now() > self.deadline
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def auto_cancel_if_failed(self):
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"""如果截止且支持人数不足，自动取消"""
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if self.is_expired() and self.status == 'pending' and self.support_count < self.required_support:
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self.status = 'cancelled'
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self.save()
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return True
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return False
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class ModeratorSupport(models.Model):
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"""版主申请支持表"""
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supporter = models.ForeignKey(
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'users.User',
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on_delete=models.CASCADE,
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related_name='moderator_supports',
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verbose_name='支持者'
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)
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application = models.ForeignKey(
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ModeratorApplication,
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on_delete=models.CASCADE,
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related_name='supports',
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verbose_name='申请'
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)
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created_at = models.DateTimeField('支持时间', auto_now_add=True)
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class Meta:
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verbose_name = '支持记录'
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verbose_name_plural = '支持记录'
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unique_together = ['supporter', 'application']
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def __str__(self):
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return f"{self.supporter.username} 支持 {self.application}"
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class ModeratorPermission(models.Model):
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"""版主权限表"""
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RANK_CHOICES = [
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('general', '将军'), # 省级
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('colonel', '校官'), # 市级
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('lieutenant', '尉官'), # 县级
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('soldier', '士兵'), # 镇村级
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]
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STATUS_CHOICES = [
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('active', '正常'),
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('restricted', '限制'),
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('revoked', '取消'),
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]
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moderator = models.ForeignKey(
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'users.User',
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on_delete=models.CASCADE,
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related_name='moderator_permissions',
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verbose_name='版主'
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)
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region = models.ForeignKey(
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Region,
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on_delete=models.CASCADE,
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related_name='moderator_permissions',
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verbose_name='管辖区域'
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)
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rank = models.CharField('军衔', max_length=20, choices=RANK_CHOICES)
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status = models.CharField('状态', max_length=20, choices=STATUS_CHOICES, default='active')
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created_at = models.DateTimeField('授权时间', auto_now_add=True)
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restricted_until = models.DateTimeField('限制截止时间', null=True, blank=True)
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class Meta:
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verbose_name = '版主权限'
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verbose_name_plural = '版主权限'
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unique_together = ['moderator', 'region']
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def __str__(self):
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return f"{self.moderator.username} - {self.region.name} ({self.get_rank_display()})"
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def can_moderate(self, content_region):
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"""判断是否可以审核某个区域的内容"""
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if self.status != 'active':
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return False
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# 检查是否在管辖范围内
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current = content_region
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while current:
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if current.id == self.region.id:
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return True
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current = current.parent
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return False
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class PermissionRestriction(models.Model):
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"""权限限制表"""
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operator = models.ForeignKey(
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'users.User',
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on_delete=models.CASCADE,
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related_name='permission_restrictions_made',
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verbose_name='操作者'
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)
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restricted_moderator = models.ForeignKey(
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'users.User',
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on_delete=models.CASCADE,
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related_name='permission_restrictions',
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verbose_name='被限制版主'
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)
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restriction_type = models.CharField('限制类型', max_length=20, choices=[
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('partial', '部分限制'),
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('full', '完全限制'),
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])
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started_at = models.DateTimeField('限制开始时间', auto_now_add=True)
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ended_at = models.DateTimeField('限制结束时间', null=True, blank=True)
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reason = models.TextField('限制原因', blank=True)
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class Meta:
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verbose_name = '权限限制'
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verbose_name_plural = '权限限制'
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ordering = ['-started_at']
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def __str__(self):
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return f"{self.restricted_moderator.username} 被限制 ({self.restriction_type})"
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