[#232] Use contract to get container info

Signed-off-by: Nikita Zinkevich <n.zinkevich@yadro.com>

internal/handler/container.go

@@ -0,0 +1,42 @@
+package handler
+
+import (
+	"context"
+	"fmt"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/data"
+	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/logs"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container"
+	cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
+	"go.uber.org/zap"
+)
+
+func (h *Handler) containerInfo(ctx context.Context, cnrID cid.ID) (*data.BucketInfo, error) {
+	info := &data.BucketInfo{
+		CID:  cnrID,
+		Name: cnrID.EncodeToString(),
+	}
+	res, err := h.cnrContract.GetContainerByID(cnrID)
+	if err != nil {
+		return nil, fmt.Errorf("get frostfs container: %w", err)
+	}
+
+	cnr := *res
+
+	if domain := container.ReadDomain(cnr); domain.Name() != "" {
+		info.Name = domain.Name()
+		info.Zone = domain.Zone()
+	}
+	info.HomomorphicHashDisabled = container.IsHomomorphicHashingDisabled(cnr)
+	info.PlacementPolicy = cnr.PlacementPolicy()
+
+	if err = h.cache.Put(info); err != nil {
+		h.reqLogger(ctx).Warn(logs.CouldntPutBucketIntoCache,
+			zap.String("bucket name", info.Name),
+			zap.Stringer("cid", info.CID),
+			zap.Error(err),
+			logs.TagField(logs.TagDatapath))
+	}
+
+	return info, nil
+}