goext/pagination/filter.go

package pagination

import (
	"go.mongodb.org/mongo-driver/mongo"
	ct "gogs.mikescher.com/BlackForestBytes/goext/cursortoken"
)

type Filter interface {
	FilterQuery() mongo.Pipeline
	Pagination() (string, ct.SortDirection)
}

type dynamicFilter struct {
	pipeline  mongo.Pipeline
	sortField string
	sortDir   ct.SortDirection
}

func (d dynamicFilter) FilterQuery() mongo.Pipeline {
	return d.pipeline
}

func (d dynamicFilter) Pagination() (string, ct.SortDirection) {
	return d.sortField, d.sortDir
}

func CreateFilter(pipeline mongo.Pipeline, sortField string, sortdir ct.SortDirection) Filter {
	return dynamicFilter{pipeline: pipeline, sortField: sortField, sortDir: sortdir}
}