chore: baseline snapshot before moderation-strictness feature
Repo .git was damaged (refs/ missing, index truncated, object store near-empty). Repaired via git init (rebuilt refs), stale index preserved as .git/index.corrupt-20260910.bak, then full worktree committed as a rollback baseline.
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tamakyi
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// Copyright 2026 tamakyi. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package db
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import (
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"context"
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"github.com/pkg/errors"
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"gorm.io/gorm"
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"github.com/tamakyi/TamaBox/internal/dbutil"
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)
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var VoteFormFields VoteFormFieldsStore
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// CustomFieldMarker 参与端"其他/自定义选项"的保留标记值（radio/select/checkbox 字段）。
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// 选中该值时，后端从 field_{id}_custom 读取参与者填写的文本；预设选项不允许使用该保留值。
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const CustomFieldMarker = "__tb_custom_option__"
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// 表单字段类型（type=form 时使用）
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const (
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VoteFormFieldTypeText = "text" // 单行文本
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VoteFormFieldTypeTextarea = "textarea" // 多行文本
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VoteFormFieldTypeSelect = "select" // 下拉单选
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VoteFormFieldTypeRadio = "radio" // 单选
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VoteFormFieldTypeCheckbox = "checkbox" // 多选
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VoteFormFieldTypeNumber = "number" // 数字
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VoteFormFieldTypeRating = "rating" // 评分
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VoteFormFieldTypeRank = "rank" // 排序（对预置选项排 1..N）
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)
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type VoteFormFieldsStore interface {
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Create(ctx context.Context, opts CreateVoteFormFieldOptions) (*VoteFormField, error)
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BulkCreate(ctx context.Context, voteID uint, fields []CreateVoteFormFieldOptions) ([]*VoteFormField, error)
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ListByVoteID(ctx context.Context, voteID uint) ([]*VoteFormField, error)
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ReplaceByVoteID(ctx context.Context, voteID uint, fields []CreateVoteFormFieldOptions) error
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CountByVoteID(ctx context.Context, voteID uint) (int64, error)
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DeleteByVoteID(ctx context.Context, voteID uint) error
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DeleteByID(ctx context.Context, id uint) error
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}
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func NewVoteFormFieldsStore(db *gorm.DB) VoteFormFieldsStore {
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return &voteFormFields{db}
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}
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type voteFormFields struct {
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*gorm.DB
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}
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// VoteFormField 表单字段定义表：结构化表单（type=form）的字段配置。
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type VoteFormField struct {
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dbutil.Model
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VoteID uint `gorm:"index:idx_form_field_vote" json:"vote_id"`
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FieldType string `gorm:"size:20" json:"field_type"`
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Label string `gorm:"size:100" json:"label"`
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Required bool `gorm:"default:false" json:"required"`
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MaxLength int `gorm:"default:0" json:"max_length"` // 0 = 不限制（字数限制）
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Options string `gorm:"type:text" json:"options"` // JSON 数组（select/radio/checkbox 用）
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SortOrder int `gorm:"default:0" json:"sort_order"`
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AllowCustom bool `gorm:"default:false" json:"allow_custom"` // 允许参与者补充自定义选项（radio/select/checkbox）
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}
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type CreateVoteFormFieldOptions struct {
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VoteID uint
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FieldType string
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Label string
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Required bool
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MaxLength int
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Options string
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SortOrder int
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AllowCustom bool
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}
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func (db *voteFormFields) Create(ctx context.Context, opts CreateVoteFormFieldOptions) (*VoteFormField, error) {
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field := &VoteFormField{
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VoteID: opts.VoteID,
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FieldType: opts.FieldType,
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Label: opts.Label,
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Required: opts.Required,
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MaxLength: opts.MaxLength,
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Options: opts.Options,
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SortOrder: opts.SortOrder,
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AllowCustom: opts.AllowCustom,
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}
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if err := db.WithContext(ctx).Create(field).Error; err != nil {
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return nil, errors.Wrap(err, "create vote form field")
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}
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return field, nil
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}
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// BulkCreate 批量创建表单字段（箱主一次提交全部字段配置）。
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func (db *voteFormFields) BulkCreate(ctx context.Context, voteID uint, fields []CreateVoteFormFieldOptions) ([]*VoteFormField, error) {
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formFields := make([]*VoteFormField, 0, len(fields))
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for _, f := range fields {
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formFields = append(formFields, &VoteFormField{
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VoteID: voteID,
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FieldType: f.FieldType,
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Label: f.Label,
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Required: f.Required,
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MaxLength: f.MaxLength,
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Options: f.Options,
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SortOrder: f.SortOrder,
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AllowCustom: f.AllowCustom,
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})
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}
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if len(formFields) == 0 {
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return formFields, nil
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}
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if err := db.WithContext(ctx).Create(&formFields).Error; err != nil {
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return nil, errors.Wrap(err, "bulk create vote form fields")
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}
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return formFields, nil
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}
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// ListByVoteID 获取某投票的全部表单字段（按 SortOrder 升序）。
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func (db *voteFormFields) ListByVoteID(ctx context.Context, voteID uint) ([]*VoteFormField, error) {
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var fields []*VoteFormField
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if err := db.WithContext(ctx).
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Where("vote_id = ?", voteID).
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Order("sort_order ASC, id ASC").
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Find(&fields).Error; err != nil {
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return nil, errors.Wrap(err, "list vote form fields by vote id")
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}
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return fields, nil
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}
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// CountByVoteID 统计某投票的表单字段数量（发布前完整性校验用）。
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func (db *voteFormFields) CountByVoteID(ctx context.Context, voteID uint) (int64, error) {
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var count int64
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if err := db.WithContext(ctx).Model(&VoteFormField{}).Where("vote_id = ?", voteID).Count(&count).Error; err != nil {
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return 0, errors.Wrap(err, "count vote form fields by vote id")
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}
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return count, nil
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}
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// ReplaceByVoteID 在单个事务内替换投票的全部表单字段（先删后建），保证原子性。
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// 仅在草稿状态编辑时调用。
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func (db *voteFormFields) ReplaceByVoteID(ctx context.Context, voteID uint, fields []CreateVoteFormFieldOptions) error {
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return db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
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if err := tx.Where("vote_id = ?", voteID).Delete(&VoteFormField{}).Error; err != nil {
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return err
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}
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if len(fields) == 0 {
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return nil
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}
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formFields := make([]*VoteFormField, 0, len(fields))
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for _, f := range fields {
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formFields = append(formFields, &VoteFormField{
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VoteID: voteID,
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FieldType: f.FieldType,
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Label: f.Label,
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Required: f.Required,
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MaxLength: f.MaxLength,
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Options: f.Options,
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SortOrder: f.SortOrder,
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AllowCustom: f.AllowCustom,
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})
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}
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return tx.Create(&formFields).Error
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})
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}
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// DeleteByVoteID 删除投票时级联清理全部表单字段。
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func (db *voteFormFields) DeleteByVoteID(ctx context.Context, voteID uint) error {
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if err := db.WithContext(ctx).Where("vote_id = ?", voteID).Delete(&VoteFormField{}).Error; err != nil {
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return errors.Wrap(err, "delete vote form fields by vote id")
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}
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return nil
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}
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func (db *voteFormFields) DeleteByID(ctx context.Context, id uint) error {
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res := db.WithContext(ctx).Delete(&VoteFormField{}, id)
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if res.Error != nil {
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return errors.Wrap(res.Error, "delete vote form field")
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}
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if res.RowsAffected == 0 {
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return ErrVoteFormFieldNotExist
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}
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return nil
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}
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var ErrVoteFormFieldNotExist = errors.New("投票表单字段不存在")
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