sds_helpers.go

package main

import (
	"log"
	"net/http"
	"strconv"
	"strings"
)

func getURLQueryParamFloat(r *http.Request, keyname string) (float64, bool) {
	keys, ok := r.URL.Query()[keyname]

	if !ok || len(keys[0]) < 1 {
		return 0.0, false
	}
	retval, err := strconv.ParseFloat(keys[0], 64)
	if err != nil {
		log.Println("Url Param ", keyname, "  is invalid")
		return 0.0, false
	}
	return retval, true
}

func getURLQueryParamInt(r *http.Request, keyname string) (int, bool) {
	keys, ok := r.URL.Query()[keyname]

	if !ok || len(keys[0]) < 1 {
		return 0, false
	}
	retval, err := strconv.Atoi(keys[0])
	if err != nil {
		log.Println("Url Param ", keyname, "  is invalid")
		return 0, false
	}
	return retval, true
}

func getURLQueryParamString(r *http.Request, keyname string) (string, bool) {
	keys, ok := r.URL.Query()[keyname]

	if !ok || len(keys[0]) < 1 {
		return "", false
	}
	return keys[0], true
}

func getURLArgumentInt(url string, positionNum int) (int, bool) {
	pathData := strings.Split(url, "/")
	param := pathData[positionNum]
	retval, err := strconv.Atoi(param)
	if err != nil {
		return 0, false
	}
	return retval, true
}

func intInSlice(a int, list []int) bool {
	for _, b := range list {
		if b == a {
			return true
		}
	}
	return false
}