[#121] client: Make PrmObjectDelete fields public

* Introduce buildRequest for PrmObjectDelete
* Refactor the usage of these params in pool

Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>

client/object_delete.go

@@ -21,71 +21,25 @@ import (
 
 // PrmObjectDelete groups parameters of ObjectDelete operation.
 type PrmObjectDelete struct {
-	meta v2session.RequestMetaHeader
+	XHeaders []string
 
-	body v2object.DeleteRequestBody
+	BearerToken *bearer.Token
 
-	addr v2refs.Address
+	Session *session.Object
 
-	keySet bool
-	key    ecdsa.PrivateKey
-}
+	ContainerID *cid.ID
 
-// WithinSession specifies session within which object should be read.
-//
-// Creator of the session acquires the authorship of the request.
-// This may affect the execution of an operation (e.g. access control).
-//
-// Must be signed.
-func (x *PrmObjectDelete) WithinSession(t session.Object) {
-	var tv2 v2session.Token
-	t.WriteToV2(&tv2)
+	ObjectID *oid.ID
 
-	x.meta.SetSessionToken(&tv2)
-}
-
-// WithBearerToken attaches bearer token to be used for the operation.
-//
-// If set, underlying eACL rules will be used in access control.
-//
-// Must be signed.
-func (x *PrmObjectDelete) WithBearerToken(t bearer.Token) {
-	var v2token acl.BearerToken
-	t.WriteToV2(&v2token)
-	x.meta.SetBearerToken(&v2token)
-}
-
-// FromContainer specifies FrostFS container of the object.
-// Required parameter.
-func (x *PrmObjectDelete) FromContainer(id cid.ID) {
-	var cidV2 v2refs.ContainerID
-	id.WriteToV2(&cidV2)
-
-	x.addr.SetContainerID(&cidV2)
-}
-
-// ByID specifies identifier of the requested object.
-// Required parameter.
-func (x *PrmObjectDelete) ByID(id oid.ID) {
-	var idV2 v2refs.ObjectID
-	id.WriteToV2(&idV2)
-
-	x.addr.SetObjectID(&idV2)
+	Key *ecdsa.PrivateKey
 }
 
 // UseKey specifies private key to sign the requests.
 // If key is not provided, then Client default key is used.
-func (x *PrmObjectDelete) UseKey(key ecdsa.PrivateKey) {
-	x.keySet = true
-	x.key = key
-}
-
-// WithXHeaders specifies list of extended headers (string key-value pairs)
-// to be attached to the request. Must have an even length.
 //
-// Slice must not be mutated until the operation completes.
-func (x *PrmObjectDelete) WithXHeaders(hs ...string) {
-	writeXHeadersToMeta(hs, &x.meta)
+// Deprecated: Use PrmObjectDelete.Key instead.
+func (prm *PrmObjectDelete) UseKey(key ecdsa.PrivateKey) {
+	prm.Key = &key
 }
 
 // ResObjectDelete groups resulting values of ObjectDelete operation.
@@ -100,6 +54,54 @@ func (x ResObjectDelete) Tombstone() oid.ID {
 	return x.tomb
 }
 
+func (prm *PrmObjectDelete) buildRequest(c *Client) (*v2object.DeleteRequest, error) {
+	if prm.ContainerID == nil {
+		return nil, errorMissingContainer
+	}
+
+	if prm.ObjectID == nil {
+		return nil, errorMissingObject
+	}
+
+	if len(prm.XHeaders)%2 != 0 {
+		return nil, errorInvalidXHeaders
+	}
+
+	meta := new(v2session.RequestMetaHeader)
+	writeXHeadersToMeta(prm.XHeaders, meta)
+
+	if prm.BearerToken != nil {
+		v2BearerToken := new(acl.BearerToken)
+		prm.BearerToken.WriteToV2(v2BearerToken)
+		meta.SetBearerToken(v2BearerToken)
+	}
+
+	if prm.Session != nil {
+		v2SessionToken := new(v2session.Token)
+		prm.Session.WriteToV2(v2SessionToken)
+		meta.SetSessionToken(v2SessionToken)
+	}
+
+	addr := new(v2refs.Address)
+
+	cnrV2 := new(v2refs.ContainerID)
+	prm.ContainerID.WriteToV2(cnrV2)
+	addr.SetContainerID(cnrV2)
+
+	objV2 := new(v2refs.ObjectID)
+	prm.ObjectID.WriteToV2(objV2)
+	addr.SetObjectID(objV2)
+
+	body := new(v2object.DeleteRequestBody)
+	body.SetAddress(addr)
+
+	req := new(v2object.DeleteRequest)
+	req.SetBody(body)
+	c.prepareRequest(req, meta)
+
+	return req, nil
+}
+
 // ObjectDelete marks an object for deletion from the container using FrostFS API protocol.
 // As a marker, a special unit called a tombstone is placed in the container.
 // It confirms the user's intent to delete the object, and is itself a container object.
@@ -124,32 +126,22 @@ func (x ResObjectDelete) Tombstone() oid.ID {
 //   - *apistatus.ObjectLocked;
 //   - *apistatus.SessionTokenExpired.
 func (c *Client) ObjectDelete(ctx context.Context, prm PrmObjectDelete) (*ResObjectDelete, error) {
-	switch {
-	case prm.addr.GetContainerID() == nil:
-		return nil, errorMissingContainer
-	case prm.addr.GetObjectID() == nil:
-		return nil, errorMissingObject
+	req, err := prm.buildRequest(c)
+	if err != nil {
+		return nil, err
 	}
 
-	// form request body
-	prm.body.SetAddress(&prm.addr)
-
-	// form request
-	var req v2object.DeleteRequest
-	req.SetBody(&prm.body)
-	c.prepareRequest(&req, &prm.meta)
-
 	key := c.prm.key
-	if prm.keySet {
-		key = prm.key
+	if prm.Key != nil {
+		key = *prm.Key
 	}
 
-	err := signature.SignServiceMessage(&key, &req)
+	err = signature.SignServiceMessage(&key, req)
 	if err != nil {
 		return nil, fmt.Errorf("sign request: %w", err)
 	}
 
-	resp, err := rpcapi.DeleteObject(&c.c, &req, client.WithContext(ctx))
+	resp, err := rpcapi.DeleteObject(&c.c, req, client.WithContext(ctx))
 	if err != nil {
 		return nil, err
 	}

pool/pool.go

@@ -799,20 +799,15 @@ func (c *clientWrapper) objectDelete(ctx context.Context, prm PrmObjectDelete) e
 		return err
 	}
 
-	var cliPrm sdkClient.PrmObjectDelete
-	cliPrm.FromContainer(prm.addr.Container())
-	cliPrm.ByID(prm.addr.Object())
+	cnr := prm.addr.Container()
+	obj := prm.addr.Object()
 
-	if prm.stoken != nil {
-		cliPrm.WithinSession(*prm.stoken)
-	}
-
-	if prm.btoken != nil {
-		cliPrm.WithBearerToken(*prm.btoken)
-	}
-
-	if prm.key != nil {
-		cliPrm.UseKey(*prm.key)
+	cliPrm := sdkClient.PrmObjectDelete{
+		BearerToken: prm.btoken,
+		Session:     prm.stoken,
+		ContainerID: &cnr,
+		ObjectID:    &obj,
+		Key:         prm.key,
 	}
 
 	start := time.Now()