Initial backend repository commit.

Set up project files and add .gitignore to exclude local build/runtime artifacts.

Made-with: Cursor

internal/model/vote.go

@@ -0,0 +1,52 @@
+package model
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+	"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 {
+	if vo.ID == "" {
+		vo.ID = uuid.New().String()
+	}
+	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 {
+	if uv.ID == "" {
+		uv.ID = uuid.New().String()
+	}
+	return nil
+}
+
+func (UserVote) TableName() string {
+	return "user_votes"
+}