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// Copyright 2018 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package request // import "miniflux.app/http/request"
import (
"net/http"
"strconv"
"github.com/gorilla/mux"
)
// FormInt64Value returns a form value as integer.
func FormInt64Value(r *http.Request, param string) int64 {
value := r.FormValue(param)
integer, err := strconv.ParseInt(value, 10, 64)
if err != nil {
return 0
}
return integer
}
// RouteInt64Param returns an URL route parameter as int64.
func RouteInt64Param(r *http.Request, param string) int64 {
vars := mux.Vars(r)
value, err := strconv.ParseInt(vars[param], 10, 64)
if err != nil {
return 0
}
if value < 0 {
return 0
}
return value
}
// RouteStringParam returns a URL route parameter as string.
func RouteStringParam(r *http.Request, param string) string {
vars := mux.Vars(r)
return vars[param]
}
// QueryStringParam returns a query string parameter as string.
func QueryStringParam(r *http.Request, param, defaultValue string) string {
value := r.URL.Query().Get(param)
if value == "" {
value = defaultValue
}
return value
}
// QueryIntParam returns a query string parameter as integer.
func QueryIntParam(r *http.Request, param string, defaultValue int) int {
return int(QueryInt64Param(r, param, int64(defaultValue)))
}
// QueryInt64Param returns a query string parameter as int64.
func QueryInt64Param(r *http.Request, param string, defaultValue int64) int64 {
value := r.URL.Query().Get(param)
if value == "" {
return defaultValue
}
val, err := strconv.ParseInt(value, 10, 64)
if err != nil {
return defaultValue
}
if val < 0 {
return defaultValue
}
return val
}
// HasQueryParam checks if the query string contains the given parameter.
func HasQueryParam(r *http.Request, param string) bool {
values := r.URL.Query()
_, ok := values[param]
return ok
}
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