databricks-cli/cmd/labs/github/releases.go

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package github
import (
"context"
"fmt"
"time"
"github.com/databricks/cli/cmd/labs/localcache"
"github.com/databricks/cli/libs/log"
)
const cacheTTL = 1 * time.Hour
// NewReleaseCache creates a release cache for a repository in the GitHub org.
// Caller has to provide different cache directories for different repositories.
func NewReleaseCache(org, repo, cacheDir string) *ReleaseCache {
pattern := fmt.Sprintf("%s-%s-releases", org, repo)
return &ReleaseCache{
cache: localcache.NewLocalCache[Versions](cacheDir, pattern, cacheTTL),
Org: org,
Repo: repo,
}
}
type ReleaseCache struct {
cache localcache.LocalCache[Versions]
Org string
Repo string
}
func (r *ReleaseCache) Load(ctx context.Context) (Versions, error) {
return r.cache.Load(ctx, func() (Versions, error) {
return getVersions(ctx, r.Org, r.Repo)
})
}
// getVersions is considered to be a private API, as we want the usage go through a cache
func getVersions(ctx context.Context, org, repo string) (Versions, error) {
var releases Versions
log.Debugf(ctx, "Fetching latest releases for %s/%s from GitHub API", org, repo)
url := fmt.Sprintf("%s/repos/%s/%s/releases", gitHubAPI, org, repo)
err := httpGetAndUnmarshal(ctx, url, &releases)
return releases, err
}
type ghAsset struct {
Name string `json:"name"`
ContentType string `json:"content_type"`
Size int `json:"size"`
BrowserDownloadURL string `json:"browser_download_url"`
}
type Release struct {
Version string `json:"tag_name"`
CreatedAt time.Time `json:"created_at"`
PublishedAt time.Time `json:"published_at"`
ZipballURL string `json:"zipball_url"`
Assets []ghAsset `json:"assets"`
}
type Versions []Release