/
regions.go
109 lines (99 loc) · 2.07 KB
/
regions.go
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package regions
import (
"github.com/munsy/battlenet/errors"
)
const numRegions = 5
// Region can be one of: US, EU, KR, TW, SEA, or CN
type Region int
// String returns the region as a lowercase string.
// If the region is invalid, the function causes a panic.
func (r Region) String() string {
var region string
switch r {
case US:
region = "us"
case EU:
region = "eu"
case KR:
region = "kr"
case TW:
region = "tw"
case SEA:
region = "sea"
case CN:
region = "cn"
default:
panic(errors.ErrUnresolvedEndpoint)
}
return region
}
// Int returns the region as an integer value.
func (r Region) Int() int {
return int(r)
}
// Itoa returns the region's integer value as a string representation.
func (r Region) Itoa() string {
return string(r.Int())
}
// AuthURL returns the URL for OAuth authorization.
func (r Region) AuthURL() string {
return r.oauthHelper("authorize")
}
// TokenURL returns the URL to retrieve an OAuth token.
func (r Region) TokenURL() string {
return r.oauthHelper("token")
}
// API returns the URL relative to the region for REST calls.
func (r Region) API() string {
var url string
switch r {
case US:
url = urlHead + r.String() + urlTail
break
case EU:
url = urlHead + r.String() + urlTail
break
case KR:
url = urlHead + r.String() + urlTail
break
case TW:
url = urlHead + r.String() + urlTail
break
case SEA:
url = urlHead + r.String() + urlTail
break
case CN:
url = urlCN
break
default:
panic(errors.ErrUnresolvedEndpoint)
}
return url
}
// Helper for building OAuth2 URLs.
func (r Region) oauthHelper(endpoint string) string {
var url string
switch r {
case US:
url = urlHead + r.String() + oauthTail + endpoint
break
case EU:
url = urlHead + r.String() + oauthTail + endpoint
break
case KR:
url = urlHead + r.String() + oauthTail + endpoint
break
case TW:
url = urlHead + r.String() + oauthTail + endpoint
break
case SEA:
url = urlHead + r.String() + oauthTail + endpoint
break
case CN:
url = oauthCN + endpoint
break
default:
panic(errors.ErrUnresolvedEndpoint)
}
return url
}