127 lines
3.2 KiB
Go
127 lines
3.2 KiB
Go
package dao
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import (
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"gorm.io/gorm"
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"gorm.io/gorm/clause"
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"vote-api/api/model"
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"vote-api/global"
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)
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type ArticleDao struct {
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}
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// GetArticleById 获取数据-id
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func (r *ArticleDao) GetArticleById(ArticleId int64) (m *model.Article, err error) {
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err = global.Db.First(&m, ArticleId).Error
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if err != nil {
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return nil, err
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}
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return m, nil
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}
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// GetArticlePreloadById 获取数据-加载全部关联-id
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func (r *ArticleDao) GetArticlePreloadById(ArticleId int64) (m *model.Article, err error) {
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err = global.Db.Preload(clause.Associations).First(&m, ArticleId).Error
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if err != nil {
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return nil, err
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}
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return m, nil
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}
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// DeleteArticle 删除
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func (r *ArticleDao) DeleteArticle(tx *gorm.DB, maps interface{}) error {
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err := tx.Where(maps).Delete(&model.Article{}).Error
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if err != nil {
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return err
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}
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return nil
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}
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// DeleteArticleById 删除-id
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func (r *ArticleDao) DeleteArticleById(tx *gorm.DB, ArticleId int64) error {
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if err := tx.Delete(&model.Article{}, ArticleId).Error; err != nil {
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return err
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}
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return nil
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}
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// EditArticle 修改
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func (r *ArticleDao) EditArticle(tx *gorm.DB, maps interface{}, data interface{}) error {
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err := tx.Model(&model.Article{}).Where(maps).Updates(data).Error
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if err != nil {
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return err
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}
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return nil
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}
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// EditArticleById 修改-id
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func (r *ArticleDao) EditArticleById(tx *gorm.DB, ArticleId int64, data interface{}) error {
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err := tx.Model(&model.Article{}).Where("article_id = ?", ArticleId).Updates(data).Error
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if err != nil {
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return err
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}
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return nil
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}
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// GetArticleList 获取列表
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func (r *ArticleDao) GetArticleList(maps interface{}) (m []*model.Article, err error) {
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err = global.Db.Where(maps).Find(&m).Error
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if err != nil {
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return nil, err
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}
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return m, nil
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}
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// GetArticleCount 获取数量
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func (r *ArticleDao) GetArticleCount(maps interface{}) (total int64, err error) {
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err = global.Db.Model(&model.Article{}).Where(maps).Count(&total).Error
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if err != nil {
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return 0, err
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}
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return total, nil
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}
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// GetArticleListRand 获取列表-随机
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func (r *ArticleDao) GetArticleListRand(maps interface{}, limit int) (m []*model.Article, err error) {
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err = global.Db.Where(maps).Order("rand()").Limit(limit).Find(&m).Error
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if err != nil {
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return nil, err
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}
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return m, nil
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}
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// AddArticle 新增
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func (r *ArticleDao) AddArticle(tx *gorm.DB, model *model.Article) (*model.Article, error) {
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if err := tx.Create(model).Error; err != nil {
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return nil, err
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}
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return model, nil
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}
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// GetArticle 获取
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func (r *ArticleDao) GetArticle(maps interface{}) (m *model.Article, err error) {
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err = global.Db.Where(maps).First(&m).Error
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if err != nil {
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return nil, err
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}
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return m, nil
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}
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// Inc 自增
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func (r *ArticleDao) Inc(tx *gorm.DB, ArticleId int64, field string, numeral int) error {
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err := tx.Model(&model.Article{}).Where("article_id = ?", ArticleId).UpdateColumn(field, gorm.Expr(field+" + ?", numeral)).Error
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if err != nil {
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return err
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}
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return nil
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}
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// Dec 自减
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func (r *ArticleDao) Dec(tx *gorm.DB, ArticleId int64, field string, numeral int) error {
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err := tx.Model(&model.Article{}).Where("article_id = ?", ArticleId).UpdateColumn(field, gorm.Expr(field+" - ?", numeral)).Error
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if err != nil {
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return err
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}
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return nil
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}
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