package models
 
 import "time"
 
 // Post 动态
 type Post struct {
 	ID        string    `gorm:"primaryKey;type:varchar(32)" json:"id"`
 	UserID    string    `gorm:"column:user_id;type:varchar(32);not null;index" json:"userId"`
 	Content   *string   `gorm:"type:text" json:"content,omitempty"`
 	Images    *string   `gorm:"type:text" json:"images,omitempty"`
 	Privacy   int       `gorm:"default:1" json:"privacy"`
 	Likes     int       `gorm:"default:0" json:"likes"`
 	Comments  int       `gorm:"default:0" json:"comments"`
 	CreatedAt time.Time `gorm:"column:created_at" json:"createdAt"`
 
 	User User `gorm:"foreignKey:UserID" json:"user,omitempty"`
 }
 
 func (Post) TableName() string { return "posts" }
 
 // Friend 好友关系
 type Friend struct {
 	UserID    string    `gorm:"column:user_id;type:varchar(32);not null;primaryKey"`
 	FriendID  string    `gorm:"column:friend_id;type:varchar(32);not null;primaryKey"`
 	Status    string    `gorm:"default:pending;type:varchar(20)" json:"status"`
 	CreatedAt time.Time `gorm:"column:created_at"`
 }
 
 func (Friend) TableName() string { return "friends" }
 
 // Group 打卡小组
 type Group struct {
 	ID        string    `gorm:"primaryKey;type:varchar(32)" json:"id"`
 	Name      string    `gorm:"type:varchar(20);not null" json:"name"`
 	Cover     *string   `gorm:"type:varchar(255)" json:"cover,omitempty"`
 	Intro     *string   `gorm:"type:varchar(200)" json:"intro,omitempty"`
 	Type      string    `gorm:"default:public;type:varchar(20)" json:"type"`
 	MaxMember int       `gorm:"column:max_member;default:50" json:"maxMember"`
 	CreatedBy string    `gorm:"column:created_by;type:varchar(32)" json:"createdBy"`
 	CreatedAt time.Time `gorm:"column:created_at"`
 
 	Members []GroupMember `gorm:"foreignKey:GroupID" json:"-"`
 }
 
 func (Group) TableName() string { return "groups" }
 
 // GroupMember 小组成员
 type GroupMember struct {
 	GroupID  string    `gorm:"column:group_id;type:varchar(32);not null;primaryKey"`
 	UserID   string    `gorm:"column:user_id;type:varchar(32);not null;primaryKey"`
 	Role     string    `gorm:"default:member;type:varchar(20)" json:"role"`
 	JoinedAt time.Time `gorm:"column:joined_at"`
 
 	Group Group `gorm:"foreignKey:GroupID" json:"-"`
 }
 
 func (GroupMember) TableName() string { return "group_members" }