mongo

type Crud interface {
	// init crud
	Init(param *Params)
	// DB
	DB() *mongo.Database
	// new/replace param
	// return param
	Params(param ...Param) Crud

	// get url params
	// like form data
	GetBySearch(params cmap.CMap) Crud // search single table
	Get(params cmap.CMap) Crud         // get data no search
	GetByID(id interface{}) Crud       // by id

	// delete by id/ids
	Delete(id interface{}) Crud // delete

	// crud and search id
	// json data
	Update() Crud     // update
	Create() Crud     // create, include res insert id
	CreateMore() Crud // create more, data must array type, single table

	// select
	Error() error        // crud error
	RowsAffected() int64 // inflect rows
	Pager() result.Pager // search pager
}

type Mongo struct {
	// contains filtered or unexported fields
}

type Param func(*Params)

type Params struct {
	// attributes
	InnerTable []string    // inner join tables
	LeftTable  []string    // left join tables
	Table      string      // table name
	Model      interface{} // table model, like User{}
	KeyModel   interface{} // key like model
	Data       interface{} // table model data, like var user User{}, it is 'user', it store real data

	// count
	SubSQL string // SubQuery SQL
	// where
	WhereSQL string // SubWhere SQL
}