// Code generated by gorm.io/gen. DO NOT EDIT.
// Code generated by gorm.io/gen. DO NOT EDIT.
// Code generated by gorm.io/gen. DO NOT EDIT.

package dao

import (
	"context"

	"gorm.io/gorm"
	"gorm.io/gorm/clause"
	"gorm.io/gorm/schema"

	"gorm.io/gen"
	"gorm.io/gen/field"

	"gorm.io/plugin/dbresolver"

	"mini-chat/internal/repository/mysql/model"
)

func newArticle(db *gorm.DB, opts ...gen.DOOption) article {
	_article := article{}

	_article.articleDo.UseDB(db, opts...)
	_article.articleDo.UseModel(&model.Article{})

	tableName := _article.articleDo.TableName()
	_article.ALL = field.NewAsterisk(tableName)
	_article.ID = field.NewInt32(tableName, "id")
	_article.Title = field.NewString(tableName, "title")
	_article.CoverImage = field.NewString(tableName, "cover_image")
	_article.Content = field.NewString(tableName, "content")
	_article.CreatedUser = field.NewString(tableName, "created_user")
	_article.CreatedAt = field.NewTime(tableName, "created_at")
	_article.UpdatedUser = field.NewString(tableName, "updated_user")
	_article.UpdatedAt = field.NewTime(tableName, "updated_at")

	_article.fillFieldMap()

	return _article
}

// article 文章表
type article struct {
	articleDo

	ALL         field.Asterisk
	ID          field.Int32  // 主键
	Title       field.String // 文章标题
	CoverImage  field.String // 文章封面图
	Content     field.String // 文章内容
	CreatedUser field.String // 创建人
	CreatedAt   field.Time   // 创建时间
	UpdatedUser field.String // 更新人
	UpdatedAt   field.Time   // 更新时间

	fieldMap map[string]field.Expr
}

func (a article) Table(newTableName string) *article {
	a.articleDo.UseTable(newTableName)
	return a.updateTableName(newTableName)
}

func (a article) As(alias string) *article {
	a.articleDo.DO = *(a.articleDo.As(alias).(*gen.DO))
	return a.updateTableName(alias)
}

func (a *article) updateTableName(table string) *article {
	a.ALL = field.NewAsterisk(table)
	a.ID = field.NewInt32(table, "id")
	a.Title = field.NewString(table, "title")
	a.CoverImage = field.NewString(table, "cover_image")
	a.Content = field.NewString(table, "content")
	a.CreatedUser = field.NewString(table, "created_user")
	a.CreatedAt = field.NewTime(table, "created_at")
	a.UpdatedUser = field.NewString(table, "updated_user")
	a.UpdatedAt = field.NewTime(table, "updated_at")

	a.fillFieldMap()

	return a
}

func (a *article) GetFieldByName(fieldName string) (field.OrderExpr, bool) {
	_f, ok := a.fieldMap[fieldName]
	if !ok || _f == nil {
		return nil, false
	}
	_oe, ok := _f.(field.OrderExpr)
	return _oe, ok
}

func (a *article) fillFieldMap() {
	a.fieldMap = make(map[string]field.Expr, 8)
	a.fieldMap["id"] = a.ID
	a.fieldMap["title"] = a.Title
	a.fieldMap["cover_image"] = a.CoverImage
	a.fieldMap["content"] = a.Content
	a.fieldMap["created_user"] = a.CreatedUser
	a.fieldMap["created_at"] = a.CreatedAt
	a.fieldMap["updated_user"] = a.UpdatedUser
	a.fieldMap["updated_at"] = a.UpdatedAt
}

func (a article) clone(db *gorm.DB) article {
	a.articleDo.ReplaceConnPool(db.Statement.ConnPool)
	return a
}

func (a article) replaceDB(db *gorm.DB) article {
	a.articleDo.ReplaceDB(db)
	return a
}

type articleDo struct{ gen.DO }

func (a articleDo) Debug() *articleDo {
	return a.withDO(a.DO.Debug())
}

func (a articleDo) WithContext(ctx context.Context) *articleDo {
	return a.withDO(a.DO.WithContext(ctx))
}

func (a articleDo) ReadDB() *articleDo {
	return a.Clauses(dbresolver.Read)
}

func (a articleDo) WriteDB() *articleDo {
	return a.Clauses(dbresolver.Write)
}

func (a articleDo) Session(config *gorm.Session) *articleDo {
	return a.withDO(a.DO.Session(config))
}

func (a articleDo) Clauses(conds ...clause.Expression) *articleDo {
	return a.withDO(a.DO.Clauses(conds...))
}

func (a articleDo) Returning(value interface{}, columns ...string) *articleDo {
	return a.withDO(a.DO.Returning(value, columns...))
}

func (a articleDo) Not(conds ...gen.Condition) *articleDo {
	return a.withDO(a.DO.Not(conds...))
}

func (a articleDo) Or(conds ...gen.Condition) *articleDo {
	return a.withDO(a.DO.Or(conds...))
}

func (a articleDo) Select(conds ...field.Expr) *articleDo {
	return a.withDO(a.DO.Select(conds...))
}

func (a articleDo) Where(conds ...gen.Condition) *articleDo {
	return a.withDO(a.DO.Where(conds...))
}

func (a articleDo) Order(conds ...field.Expr) *articleDo {
	return a.withDO(a.DO.Order(conds...))
}

func (a articleDo) Distinct(cols ...field.Expr) *articleDo {
	return a.withDO(a.DO.Distinct(cols...))
}

func (a articleDo) Omit(cols ...field.Expr) *articleDo {
	return a.withDO(a.DO.Omit(cols...))
}

func (a articleDo) Join(table schema.Tabler, on ...field.Expr) *articleDo {
	return a.withDO(a.DO.Join(table, on...))
}

func (a articleDo) LeftJoin(table schema.Tabler, on ...field.Expr) *articleDo {
	return a.withDO(a.DO.LeftJoin(table, on...))
}

func (a articleDo) RightJoin(table schema.Tabler, on ...field.Expr) *articleDo {
	return a.withDO(a.DO.RightJoin(table, on...))
}

func (a articleDo) Group(cols ...field.Expr) *articleDo {
	return a.withDO(a.DO.Group(cols...))
}

func (a articleDo) Having(conds ...gen.Condition) *articleDo {
	return a.withDO(a.DO.Having(conds...))
}

func (a articleDo) Limit(limit int) *articleDo {
	return a.withDO(a.DO.Limit(limit))
}

func (a articleDo) Offset(offset int) *articleDo {
	return a.withDO(a.DO.Offset(offset))
}

func (a articleDo) Scopes(funcs ...func(gen.Dao) gen.Dao) *articleDo {
	return a.withDO(a.DO.Scopes(funcs...))
}

func (a articleDo) Unscoped() *articleDo {
	return a.withDO(a.DO.Unscoped())
}

func (a articleDo) Create(values ...*model.Article) error {
	if len(values) == 0 {
		return nil
	}
	return a.DO.Create(values)
}

func (a articleDo) CreateInBatches(values []*model.Article, batchSize int) error {
	return a.DO.CreateInBatches(values, batchSize)
}

// Save : !!! underlying implementation is different with GORM
// The method is equivalent to executing the statement: db.Clauses(clause.OnConflict{UpdateAll: true}).Create(values)
func (a articleDo) Save(values ...*model.Article) error {
	if len(values) == 0 {
		return nil
	}
	return a.DO.Save(values)
}

func (a articleDo) First() (*model.Article, error) {
	if result, err := a.DO.First(); err != nil {
		return nil, err
	} else {
		return result.(*model.Article), nil
	}
}

func (a articleDo) Take() (*model.Article, error) {
	if result, err := a.DO.Take(); err != nil {
		return nil, err
	} else {
		return result.(*model.Article), nil
	}
}

func (a articleDo) Last() (*model.Article, error) {
	if result, err := a.DO.Last(); err != nil {
		return nil, err
	} else {
		return result.(*model.Article), nil
	}
}

func (a articleDo) Find() ([]*model.Article, error) {
	result, err := a.DO.Find()
	return result.([]*model.Article), err
}

func (a articleDo) FindInBatch(batchSize int, fc func(tx gen.Dao, batch int) error) (results []*model.Article, err error) {
	buf := make([]*model.Article, 0, batchSize)
	err = a.DO.FindInBatches(&buf, batchSize, func(tx gen.Dao, batch int) error {
		defer func() { results = append(results, buf...) }()
		return fc(tx, batch)
	})
	return results, err
}

func (a articleDo) FindInBatches(result *[]*model.Article, batchSize int, fc func(tx gen.Dao, batch int) error) error {
	return a.DO.FindInBatches(result, batchSize, fc)
}

func (a articleDo) Attrs(attrs ...field.AssignExpr) *articleDo {
	return a.withDO(a.DO.Attrs(attrs...))
}

func (a articleDo) Assign(attrs ...field.AssignExpr) *articleDo {
	return a.withDO(a.DO.Assign(attrs...))
}

func (a articleDo) Joins(fields ...field.RelationField) *articleDo {
	for _, _f := range fields {
		a = *a.withDO(a.DO.Joins(_f))
	}
	return &a
}

func (a articleDo) Preload(fields ...field.RelationField) *articleDo {
	for _, _f := range fields {
		a = *a.withDO(a.DO.Preload(_f))
	}
	return &a
}

func (a articleDo) FirstOrInit() (*model.Article, error) {
	if result, err := a.DO.FirstOrInit(); err != nil {
		return nil, err
	} else {
		return result.(*model.Article), nil
	}
}

func (a articleDo) FirstOrCreate() (*model.Article, error) {
	if result, err := a.DO.FirstOrCreate(); err != nil {
		return nil, err
	} else {
		return result.(*model.Article), nil
	}
}

func (a articleDo) FindByPage(offset int, limit int) (result []*model.Article, count int64, err error) {
	result, err = a.Offset(offset).Limit(limit).Find()
	if err != nil {
		return
	}

	if size := len(result); 0 < limit && 0 < size && size < limit {
		count = int64(size + offset)
		return
	}

	count, err = a.Offset(-1).Limit(-1).Count()
	return
}

func (a articleDo) ScanByPage(result interface{}, offset int, limit int) (count int64, err error) {
	count, err = a.Count()
	if err != nil {
		return
	}

	err = a.Offset(offset).Limit(limit).Scan(result)
	return
}

func (a articleDo) Scan(result interface{}) (err error) {
	return a.DO.Scan(result)
}

func (a articleDo) Delete(models ...*model.Article) (result gen.ResultInfo, err error) {
	return a.DO.Delete(models)
}

func (a *articleDo) withDO(do gen.Dao) *articleDo {
	a.DO = *do.(*gen.DO)
	return a
}