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server.go
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server.go
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package server
import (
"fmt"
"io/fs"
"net/http"
"text/template"
"github.com/akhenakh/kvtiles/storage"
log "github.com/go-kit/log"
"google.golang.org/grpc/health"
)
// Server exposes indexes services
type Server struct {
tileStorage storage.TileStore
logger log.Logger
appName string
healthServer *health.Server
fileHandler http.Handler
templates *template.Template
tilesKey string
infos storage.MapInfos
}
// New returns a Server
func New(appName, tilesKey string, afs fs.FS, storage storage.TileStore,
logger log.Logger, healthServer *health.Server,
) (*Server, error) {
logger = log.With(logger, "component", "server")
// static file handler
fileHandler := http.FileServer(http.FS(afs))
t, err := template.ParseFS(afs, templatesNames...)
if err != nil {
return nil, fmt.Errorf("can't parse templates: %w", err)
}
infos, err := storage.LoadMapInfos()
if err != nil {
return nil, fmt.Errorf("can't load metadata infos: %w", err)
}
s := &Server{
tileStorage: storage,
logger: logger,
appName: appName,
healthServer: healthServer,
fileHandler: fileHandler,
tilesKey: tilesKey,
templates: t,
infos: infos,
}
return s, nil
}