frostfs-sdk-go/client/accounting.go
Evgenii Stratonikov 548a81d3e6 [#48] client: Refactor accounting.Balance()
Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
2023-08-10 11:05:30 +00:00

108 lines
3 KiB
Go

package client
import (
"context"
"fmt"
v2accounting "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/accounting"
"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs"
rpcapi "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc"
"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/client"
v2session "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/session"
"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/signature"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/accounting"
apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/user"
)
// PrmBalanceGet groups parameters of BalanceGet operation.
type PrmBalanceGet struct {
prmCommonMeta
accountSet bool
account user.ID
}
// SetAccount sets identifier of the FrostFS account for which the balance is requested.
// Required parameter.
func (x *PrmBalanceGet) SetAccount(id user.ID) {
x.account = id
x.accountSet = true
}
func (x *PrmBalanceGet) buildRequest(c *Client) (*v2accounting.BalanceRequest, error) {
if !x.accountSet {
return nil, errorAccountNotSet
}
var accountV2 refs.OwnerID
x.account.WriteToV2(&accountV2)
var body v2accounting.BalanceRequestBody
body.SetOwnerID(&accountV2)
var req v2accounting.BalanceRequest
req.SetBody(&body)
c.prepareRequest(&req, new(v2session.RequestMetaHeader))
return &req, nil
}
// ResBalanceGet groups resulting values of BalanceGet operation.
type ResBalanceGet struct {
statusRes
amount accounting.Decimal
}
// Amount returns current amount of funds on the FrostFS account as decimal number.
func (x ResBalanceGet) Amount() accounting.Decimal {
return x.amount
}
// BalanceGet requests current balance of the FrostFS account.
//
// Exactly one return value is non-nil. By default, server status is returned in res structure.
// Any client's internal or transport errors are returned as `error`,
// If PrmInit.ResolveFrostFSFailures has been called, unsuccessful
// FrostFS status codes are returned as `error`, otherwise, are included
// in the returned result structure.
//
// Returns an error if parameters are set incorrectly (see PrmBalanceGet docs).
// Context is required and must not be nil. It is used for network communication.
//
// Return statuses:
// - global (see Client docs).
func (c *Client) BalanceGet(ctx context.Context, prm PrmBalanceGet) (*ResBalanceGet, error) {
req, err := prm.buildRequest(c)
if err != nil {
return nil, err
}
if err := signature.SignServiceMessage(&c.prm.key, req); err != nil {
return nil, fmt.Errorf("sign request: %w", err)
}
resp, err := rpcapi.Balance(&c.c, req, client.WithContext(ctx))
if err != nil {
return nil, err
}
var res ResBalanceGet
res.st, err = c.processResponse(resp)
if err != nil || !apistatus.IsSuccessful(res.st) {
return &res, err
}
const fieldBalance = "balance"
bal := resp.GetBody().GetBalance()
if bal == nil {
return &res, newErrMissingResponseField(fieldBalance)
}
if err := res.amount.ReadFromV2(*bal); err != nil {
return &res, newErrInvalidResponseField(fieldBalance, err)
}
return &res, nil
}