new-api/relay/channel/vertex/url_builder.go

87 lines
2.5 KiB
Go

package vertex
import (
"fmt"
"strings"
)
const (
DefaultAPIVersion = "v1"
OpenSourceAPIVersion = "v1beta1"
PublisherGoogle = "google"
PublisherAnthropic = "anthropic"
)
func normalizeVertexBaseURL(baseURL string) string {
return strings.TrimRight(strings.TrimSpace(baseURL), "/")
}
func normalizeVertexRegion(region string) string {
region = strings.TrimSpace(region)
if region == "" {
return "global"
}
return region
}
func appendVertexAPIVersion(baseURL, version string) string {
version = strings.Trim(strings.TrimSpace(version), "/")
if version == "" {
return baseURL
}
if strings.HasSuffix(baseURL, "/"+version) {
return baseURL
}
return baseURL + "/" + version
}
func BuildAPIBaseURL(baseURL, version, projectID, region string) string {
if normalized := normalizeVertexBaseURL(baseURL); normalized != "" {
normalized = appendVertexAPIVersion(normalized, version)
region = normalizeVertexRegion(region)
if strings.TrimSpace(projectID) != "" {
normalized = fmt.Sprintf("%s/projects/%s/locations/%s", normalized, projectID, region)
}
return normalized
}
region = normalizeVertexRegion(region)
if strings.TrimSpace(projectID) == "" {
if region == "global" {
return fmt.Sprintf("https://aiplatform.googleapis.com/%s", version)
}
return fmt.Sprintf("https://%s-aiplatform.googleapis.com/%s", region, version)
}
if region == "global" {
return fmt.Sprintf("https://aiplatform.googleapis.com/%s/projects/%s/locations/global", version, projectID)
}
return fmt.Sprintf("https://%s-aiplatform.googleapis.com/%s/projects/%s/locations/%s", region, version, projectID, region)
}
func BuildPublisherModelURL(baseURL, version, projectID, region, publisher, modelName, action string) string {
return fmt.Sprintf(
"%s/publishers/%s/models/%s:%s",
BuildAPIBaseURL(baseURL, version, projectID, region),
publisher,
modelName,
action,
)
}
func BuildGoogleModelURL(baseURL, version, projectID, region, modelName, action string) string {
return BuildPublisherModelURL(baseURL, version, projectID, region, PublisherGoogle, modelName, action)
}
func BuildAnthropicModelURL(baseURL, version, projectID, region, modelName, action string) string {
return BuildPublisherModelURL(baseURL, version, projectID, region, PublisherAnthropic, modelName, action)
}
func BuildOpenSourceChatCompletionsURL(baseURL, projectID, region string) string {
return fmt.Sprintf(
"%s/endpoints/openapi/chat/completions",
BuildAPIBaseURL(baseURL, OpenSourceAPIVersion, projectID, region),
)
}