// 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 queries

import (
	"context"

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

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

	"gorm.io/plugin/dbresolver"

	"platform/web/models"
)

func newAnnouncement(db *gorm.DB, opts ...gen.DOOption) announcement {
	_announcement := announcement{}

	_announcement.announcementDo.UseDB(db, opts...)
	_announcement.announcementDo.UseModel(&models.Announcement{})

	tableName := _announcement.announcementDo.TableName()
	_announcement.ALL = field.NewAsterisk(tableName)
	_announcement.ID = field.NewInt32(tableName, "id")
	_announcement.Title = field.NewString(tableName, "title")
	_announcement.Content = field.NewString(tableName, "content")
	_announcement.Type = field.NewInt32(tableName, "type")
	_announcement.Pin = field.NewBool(tableName, "pin")
	_announcement.Status = field.NewInt32(tableName, "status")
	_announcement.Sort = field.NewInt32(tableName, "sort")
	_announcement.CreatedAt = field.NewField(tableName, "created_at")
	_announcement.UpdatedAt = field.NewField(tableName, "updated_at")
	_announcement.DeletedAt = field.NewField(tableName, "deleted_at")

	_announcement.fillFieldMap()

	return _announcement
}

type announcement struct {
	announcementDo

	ALL       field.Asterisk
	ID        field.Int32  // 公告ID
	Title     field.String // 公告标题
	Content   field.String // 公告内容
	Type      field.Int32  // 公告类型：1-普通公告
	Pin       field.Bool   // 是否置顶
	Status    field.Int32  // 公告状态：0-禁用，1-正常
	Sort      field.Int32  // 公告排序
	CreatedAt field.Field  // 创建时间
	UpdatedAt field.Field  // 更新时间
	DeletedAt field.Field  // 删除时间

	fieldMap map[string]field.Expr
}

func (a announcement) Table(newTableName string) *announcement {
	a.announcementDo.UseTable(newTableName)
	return a.updateTableName(newTableName)
}

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

func (a *announcement) updateTableName(table string) *announcement {
	a.ALL = field.NewAsterisk(table)
	a.ID = field.NewInt32(table, "id")
	a.Title = field.NewString(table, "title")
	a.Content = field.NewString(table, "content")
	a.Type = field.NewInt32(table, "type")
	a.Pin = field.NewBool(table, "pin")
	a.Status = field.NewInt32(table, "status")
	a.Sort = field.NewInt32(table, "sort")
	a.CreatedAt = field.NewField(table, "created_at")
	a.UpdatedAt = field.NewField(table, "updated_at")
	a.DeletedAt = field.NewField(table, "deleted_at")

	a.fillFieldMap()

	return a
}

func (a *announcement) 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 *announcement) fillFieldMap() {
	a.fieldMap = make(map[string]field.Expr, 10)
	a.fieldMap["id"] = a.ID
	a.fieldMap["title"] = a.Title
	a.fieldMap["content"] = a.Content
	a.fieldMap["type"] = a.Type
	a.fieldMap["pin"] = a.Pin
	a.fieldMap["status"] = a.Status
	a.fieldMap["sort"] = a.Sort
	a.fieldMap["created_at"] = a.CreatedAt
	a.fieldMap["updated_at"] = a.UpdatedAt
	a.fieldMap["deleted_at"] = a.DeletedAt
}

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

func (a announcement) replaceDB(db *gorm.DB) announcement {
	a.announcementDo.ReplaceDB(db)
	return a
}

type announcementDo struct{ gen.DO }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

func (a announcementDo) Create(values ...*models.Announcement) error {
	if len(values) == 0 {
		return nil
	}
	return a.DO.Create(values)
}

func (a announcementDo) CreateInBatches(values []*models.Announcement, 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 announcementDo) Save(values ...*models.Announcement) error {
	if len(values) == 0 {
		return nil
	}
	return a.DO.Save(values)
}

func (a announcementDo) First() (*models.Announcement, error) {
	if result, err := a.DO.First(); err != nil {
		return nil, err
	} else {
		return result.(*models.Announcement), nil
	}
}

func (a announcementDo) Take() (*models.Announcement, error) {
	if result, err := a.DO.Take(); err != nil {
		return nil, err
	} else {
		return result.(*models.Announcement), nil
	}
}

func (a announcementDo) Last() (*models.Announcement, error) {
	if result, err := a.DO.Last(); err != nil {
		return nil, err
	} else {
		return result.(*models.Announcement), nil
	}
}

func (a announcementDo) Find() ([]*models.Announcement, error) {
	result, err := a.DO.Find()
	return result.([]*models.Announcement), err
}

func (a announcementDo) FindInBatch(batchSize int, fc func(tx gen.Dao, batch int) error) (results []*models.Announcement, err error) {
	buf := make([]*models.Announcement, 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 announcementDo) FindInBatches(result *[]*models.Announcement, batchSize int, fc func(tx gen.Dao, batch int) error) error {
	return a.DO.FindInBatches(result, batchSize, fc)
}

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

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

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

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

func (a announcementDo) FirstOrInit() (*models.Announcement, error) {
	if result, err := a.DO.FirstOrInit(); err != nil {
		return nil, err
	} else {
		return result.(*models.Announcement), nil
	}
}

func (a announcementDo) FirstOrCreate() (*models.Announcement, error) {
	if result, err := a.DO.FirstOrCreate(); err != nil {
		return nil, err
	} else {
		return result.(*models.Announcement), nil
	}
}

func (a announcementDo) FindByPage(offset int, limit int) (result []*models.Announcement, 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 announcementDo) 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 announcementDo) Scan(result interface{}) (err error) {
	return a.DO.Scan(result)
}

func (a announcementDo) Delete(models ...*models.Announcement) (result gen.ResultInfo, err error) {
	return a.DO.Delete(models)
}

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