/
wowhead.go
64 lines (56 loc) · 1.36 KB
/
wowhead.go
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package wowhead
import (
"encoding/xml"
"net/http"
"github.com/origin-finkle/logs/internal/logger"
"github.com/sirupsen/logrus"
"golang.org/x/sync/semaphore"
)
var (
Client = &http.Client{
Transport: transport,
}
transport = &limitedTransport{
sem: semaphore.NewWeighted(8),
}
)
type WowheadItem struct {
XMLName xml.Name `xml:"wowhead"`
Text string `xml:",chardata"`
Item struct {
Text string `xml:",chardata"`
ID string `xml:"id,attr"`
Name string `xml:"name"`
Level string `xml:"level"`
Quality struct {
Text string `xml:",chardata"`
ID string `xml:"id,attr"`
} `xml:"quality"`
InventorySlot struct {
Text string `xml:",chardata"`
ID string `xml:"id,attr"`
} `xml:"inventorySlot"`
JSON string `xml:"json"`
JsonEquip string `xml:"jsonEquip"`
Link string `xml:"link"`
} `xml:"item"`
}
type Error struct {
Err string `xml:"error"`
}
func (e Error) Error() string {
return e.Err
}
type limitedTransport struct {
sem *semaphore.Weighted
}
func (t *limitedTransport) RoundTrip(req *http.Request) (*http.Response, error) {
if err := t.sem.Acquire(req.Context(), 1); err != nil {
return nil, err
}
defer t.sem.Release(1)
logger.FromContext(req.Context()).WithFields(logrus.Fields{
"wowhead_url": req.URL.String(),
}).Debug("requesting wowhead")
return http.DefaultTransport.RoundTrip(req)
}