/
param.go
133 lines (118 loc) · 3.46 KB
/
param.go
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// Copyright 2022 anoweb Author. All Rights Reserved.
// 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.
package context
import (
"fmt"
"strconv"
"strings"
)
// ParamMap return param map
func (ctx *Context) ParamMap() map[string][]string {
return ctx.paramMap
}
// Param return named param
func (ctx *Context) Param(name string) string {
return ctx.ParamDefault(name, "")
}
// ParamDefault return named param
func (ctx *Context) ParamDefault(name, defaultVal string) string {
params, have := ctx.paramMap[name]
if !have || params == nil || len(params) <= 0 || params[0] == "" {
return defaultVal
}
return params[0]
}
// Params return named param values
func (ctx *Context) Params(name string, defaultVal []string) []string {
params := ctx.paramMap[name]
if params != nil {
return params
}
return defaultVal
}
// HasParam return true if named param in param map
func (ctx *Context) HasParam(name string) bool {
return ctx.ParamMap()[name] != nil
}
// IntParam return named param of int with default `defaultVal`
func (ctx *Context) IntParam(name string, defaultVal int64) int64 {
if !ctx.HasParam(name) {
return defaultVal
}
intVal, err := strconv.ParseInt(ctx.ParamDefault(name, fmt.Sprintf("%d", defaultVal)), 10, 64)
if err != nil {
intVal = defaultVal
}
return intVal
}
// FloatParam return named param of float
func (ctx *Context) FloatParam(name string, defaultVal float64) float64 {
if !ctx.HasParam(name) {
return defaultVal
}
floatVal, err := strconv.ParseFloat(ctx.ParamDefault(name, fmt.Sprintf("%f", defaultVal)), 64)
if err != nil {
floatVal = defaultVal
}
return floatVal
}
// transformParamMap transform param map
func (ctx *Context) transformParamMap(multiFunc func(name string, params []string) string) map[string]string {
sm := make(map[string]string, 0)
for k, v := range ctx.paramMap {
sm[k] = multiFunc(k, v)
}
return sm
}
// SingleParamMap return single value param map
func (ctx *Context) SingleParamMap() map[string]string {
return ctx.transformParamMap(func(name string, params []string) string {
if params != nil && len(params) > 0 {
return params[0]
}
return ""
})
}
// JoinedParamMap return joined single value param map
func (ctx *Context) JoinedParamMap(separator string) map[string]string {
return ctx.transformParamMap(func(name string, params []string) string {
if params != nil && len(params) > 0 {
return strings.Join(params, separator)
}
return ""
})
}
// SetParamMap set param map
func (ctx *Context) SetParamMap(paramMap map[string][]string, flush bool) *Context {
if flush {
for k := range ctx.paramMap {
delete(ctx.paramMap, k)
}
}
if paramMap != nil && len(paramMap) > 0 {
for k, v := range paramMap {
ctx.paramMap[k] = v
}
}
return ctx
}
// Key return REST-ful key
func (ctx *Context) Key() string {
return ctx.Param("RESTFUL_KEY")
}
// IntKey return int REST-ful key
func (ctx *Context) IntKey() int64 {
intID, err := strconv.ParseInt(ctx.Key(), 10, 64)
if err != nil {
panic(err)
}
return intID
}