backend/internal/model/vote.go

package model

import (
	"time"

	"gorm.io/gorm"
)

// VoteOption 投票选项
type VoteOption struct {
	ID         string    `json:"id" gorm:"type:varchar(36);primaryKey"`
	PostID     string    `json:"post_id" gorm:"type:varchar(36);index:idx_vote_option_post_sort,priority:1;not null"`
	Content    string    `json:"content" gorm:"type:varchar(200);not null"`
	SortOrder  int       `json:"sort_order" gorm:"default:0;index:idx_vote_option_post_sort,priority:2"`
	VotesCount int       `json:"votes_count" gorm:"default:0"`
	CreatedAt  time.Time `json:"created_at" gorm:"autoCreateTime"`
	UpdatedAt  time.Time `json:"updated_at" gorm:"autoUpdateTime"`
}

// BeforeCreate 创建前生成UUID
func (vo *VoteOption) BeforeCreate(tx *gorm.DB) error {
	SetUUIDIfEmpty(&vo.ID)
	return nil
}

func (VoteOption) TableName() string {
	return "vote_options"
}

// UserVote 用户投票记录
type UserVote struct {
	ID        string    `json:"id" gorm:"type:varchar(36);primaryKey"`
	PostID    string    `json:"post_id" gorm:"type:varchar(36);index;uniqueIndex:idx_user_vote_post_user,priority:1;not null"`
	UserID    string    `json:"user_id" gorm:"type:varchar(36);index;uniqueIndex:idx_user_vote_post_user,priority:2;not null"`
	OptionID  string    `json:"option_id" gorm:"type:varchar(36);index;not null"`
	CreatedAt time.Time `json:"created_at" gorm:"autoCreateTime"`
}

// BeforeCreate 创建前生成UUID
func (uv *UserVote) BeforeCreate(tx *gorm.DB) error {
	SetUUIDIfEmpty(&uv.ID)
	return nil
}

func (UserVote) TableName() string {
	return "user_votes"
}