fields/examples/example-1/main.go

72 lines
1.7 KiB
Go
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*
* Copyright (c) 2020 Alex aka mailoman <alex@webz.asia>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @author Alex aka mailoman <alex@webz.asia>
* @copyright Copyright (c) 2020 Alex aka mailoman <alex@webz.asia>
* @since 14.01.2020
*
*/
package main
import (
"encoding/json"
"log"
"git.webz.asia/go-convert/fields"
)
type fromStruct struct {
ID string `conv:"new,update"`
Field1 string `conv:"new,update"`
Field2 string `conv:"update"`
}
type toStruct struct {
ID string
Field1 string
Field2 string
Field3 string
}
func main() {
fromDefault := fromStruct{
"1", "field 1 value", "field 2 value",
}
toDefault := toStruct{
"old val 1", "old field 1 value", "old field 2 value", "old field 3 value",
}
log.Print("example 1.1 - new")
from := fromDefault
to := toDefault
fields.Сonvert(from, "new", &to)
fromB, _ := json.Marshal(from)
toB, _ := json.Marshal(to)
log.Printf("from %s => to %s", string(fromB), string(toB))
log.Print("example 1.2 - update")
from = fromDefault
to = toDefault
fields.Сonvert(from, "update", &to)
fromB, _ = json.Marshal(from)
toB, _ = json.Marshal(to)
log.Printf("from %s => to %s", string(fromB), string(toB))
}