wehub-resource-sync
77 lines
1.8 KiB
Go
77 lines
1.8 KiB
Go
/*
|
|
* Licensed to the Apache Software Foundation (ASF) under one
|
|
* or more contributor license agreements. See the NOTICE file
|
|
* distributed with this work for additional information
|
|
* regarding copyright ownership. The ASF licenses this file
|
|
* to you 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.
|
|
*/
|
|
|
|
package pager
|
|
|
|
import (
|
|
"reflect"
|
|
)
|
|
|
|
// PageModel page model
|
|
type PageModel struct {
|
|
Count int64 `json:"count"`
|
|
List any `json:"list"`
|
|
}
|
|
|
|
// PageCond page condition
|
|
type PageCond struct {
|
|
Page int
|
|
PageSize int
|
|
}
|
|
|
|
// NewPageModel new page model
|
|
func NewPageModel(totalRecords int64, records any) *PageModel {
|
|
sliceValue := reflect.Indirect(reflect.ValueOf(records))
|
|
if sliceValue.Kind() != reflect.Slice {
|
|
panic("not a slice")
|
|
}
|
|
|
|
if totalRecords < 0 {
|
|
totalRecords = 0
|
|
}
|
|
|
|
return &PageModel{
|
|
Count: totalRecords,
|
|
List: records,
|
|
}
|
|
}
|
|
|
|
// ValPageAndPageSize validate page pageSize
|
|
func ValPageAndPageSize(page, pageSize int) (int, int) {
|
|
if page <= 0 {
|
|
page = 1
|
|
}
|
|
if pageSize <= 0 {
|
|
pageSize = 10
|
|
}
|
|
return page, pageSize
|
|
}
|
|
|
|
// ValPageOutOfRange validate page out of range
|
|
func ValPageOutOfRange(total int64, page, pageSize int) bool {
|
|
if total <= 0 {
|
|
return false
|
|
}
|
|
if pageSize <= 0 {
|
|
return true
|
|
}
|
|
totalPages := (total + int64(pageSize) - 1) / int64(pageSize)
|
|
return page < 1 || page > int(totalPages)
|
|
}
|