Mainflux.mainflux/things/mocks/commons.go

100 lines
2.0 KiB
Go

// Copyright (c) Mainflux
// SPDX-License-Identifier: Apache-2.0
package mocks
import (
"fmt"
"sort"
"strconv"
"github.com/mainflux/mainflux/things"
)
const uuidLen = 36
// Since mocks will store data in map, and they need to resemble the real
// identifiers as much as possible, a key will be created as combination of
// owner and their own identifiers. This will allow searching either by
// prefix or suffix.
func key(owner string, id string) string {
return fmt.Sprintf("%s-%s", owner, id)
}
func sortThings(pm things.PageMetadata, ths []things.Thing) []things.Thing {
switch pm.Order {
case "name":
if pm.Dir == "asc" {
sort.SliceStable(ths, func(i, j int) bool {
return ths[i].Name < ths[j].Name
})
}
if pm.Dir == "desc" {
sort.SliceStable(ths, func(i, j int) bool {
return ths[i].Name > ths[j].Name
})
}
case "id":
if pm.Dir == "asc" {
sort.SliceStable(ths, func(i, j int) bool {
return ths[i].ID < ths[j].ID
})
}
if pm.Dir == "desc" {
sort.SliceStable(ths, func(i, j int) bool {
return ths[i].ID > ths[j].ID
})
}
default:
sort.SliceStable(ths, func(i, j int) bool {
return ths[i].ID < ths[j].ID
})
}
return ths
}
func sortChannels(pm things.PageMetadata, chs []things.Channel) []things.Channel {
switch pm.Order {
case "name":
if pm.Dir == "asc" {
sort.SliceStable(chs, func(i, j int) bool {
return chs[i].Name < chs[j].Name
})
}
if pm.Dir == "desc" {
sort.SliceStable(chs, func(i, j int) bool {
return chs[i].Name > chs[j].Name
})
}
case "id":
if pm.Dir == "asc" {
sort.SliceStable(chs, func(i, j int) bool {
return chs[i].ID < chs[j].ID
})
}
if pm.Dir == "desc" {
sort.SliceStable(chs, func(i, j int) bool {
return chs[i].ID > chs[j].ID
})
}
default:
sort.SliceStable(chs, func(i, j int) bool {
return chs[i].ID < chs[j].ID
})
}
return chs
}
func parseID(ID string) (id uint64) {
var serialNum string
if len(ID) == uuidLen {
serialNum = ID[len(ID)-6:]
}
id, _ = strconv.ParseUint(serialNum, 10, 64)
return
}