/
pagination.go
64 lines (56 loc) · 1.55 KB
/
pagination.go
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/*
* 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 interface{} `json:"list"`
}
// PageCond page condition
type PageCond struct {
Page int
PageSize int
}
// NewPageModel new page model
func NewPageModel(totalRecords int64, records interface{}) *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
}