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count.go
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count.go
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package cli
import (
log "github.com/sirupsen/logrus"
"errors"
"io/ioutil"
"net/http"
"strings"
"github.com/leonkaihao/nycab/pkg/config"
)
type count struct {
conf *config.Cli
}
func (c *count) Handle(args []string) (resp string, err error) {
if c.conf == nil {
errMsg := "config error, failed to connect to api service"
return errMsg, errors.New(errMsg)
}
url := "http://" + c.conf.APIHost + ":" + c.conf.APIPort + "/v1/cabs/pickups/count"
url += reassembleArgs(args)
log.Infoln("GET", url)
req, err := http.NewRequest("GET", url, nil)
if err != nil {
return "", err
}
res, err := http.DefaultClient.Do(req)
if err != nil {
return "", err
}
defer res.Body.Close()
data, err := ioutil.ReadAll(res.Body)
if err != nil {
return "", err
}
if res.StatusCode != http.StatusOK {
return "", errors.New(string(data))
}
return string(data), nil
}
func reassembleArgs(args []string) string {
ret := ""
for i, arg := range args {
kv := strings.Split(arg, "=")
if len(kv) != 2 {
log.Errorf("illegal format, arg %v, ignored", arg)
continue // ignore illegal args
}
switch kv[0] {
case "medallions":
fallthrough
case "date":
fallthrough
case "refresh":
if i == 0 {
ret += ("?" + arg)
} else {
ret += ("&" + arg)
}
default:
break
}
}
return ret
}
// NewCountCmd ...
func NewCountCmd(conf *config.Cli) *Cmdline {
return &Cmdline{
Cmd: "count",
Example: "count medallion=medallion1,medallion2,medallion... date=2013-01-12 refresh=true",
Description: "count medallions pickup in a day ",
Handler: &count{conf},
}
}