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package blobs
import (
"context"
"net/http"
"strings"
"github.com/Azure/go-autorest/autorest"
"github.com/Azure/go-autorest/autorest/azure"
"github.com/Azure/go-autorest/autorest/validation"
"github.com/tombuildsstuff/giovanni/storage/internal/endpoints"
)
type PutBlockInput struct {
BlockID string
Content []byte
ContentMD5 *string
LeaseID *string
}
type PutBlockResult struct {
autorest.Response
ContentMD5 string
}
// PutBlock creates a new block to be committed as part of a blob.
func (client Client) PutBlock(ctx context.Context, accountName, containerName, blobName string, input PutBlockInput) (result PutBlockResult, err error) {
if accountName == "" {
return result, validation.NewError("blobs.Client", "PutBlock", "`accountName` cannot be an empty string.")
}
if containerName == "" {
return result, validation.NewError("blobs.Client", "PutBlock", "`containerName` cannot be an empty string.")
}
if strings.ToLower(containerName) != containerName {
return result, validation.NewError("blobs.Client", "PutBlock", "`containerName` must be a lower-cased string.")
}
if blobName == "" {
return result, validation.NewError("blobs.Client", "PutBlock", "`blobName` cannot be an empty string.")
}
if input.BlockID == "" {
return result, validation.NewError("blobs.Client", "PutBlock", "`input.BlockID` cannot be an empty string.")
}
if len(input.Content) == 0 {
return result, validation.NewError("blobs.Client", "PutBlock", "`input.Content` cannot be empty.")
}
req, err := client.PutBlockPreparer(ctx, accountName, containerName, blobName, input)
if err != nil {
err = autorest.NewErrorWithError(err, "blobs.Client", "PutBlock", nil, "Failure preparing request")
return
}
resp, err := client.PutBlockSender(req)
if err != nil {
result.Response = autorest.Response{Response: resp}
err = autorest.NewErrorWithError(err, "blobs.Client", "PutBlock", resp, "Failure sending request")
return
}
result, err = client.PutBlockResponder(resp)
if err != nil {
err = autorest.NewErrorWithError(err, "blobs.Client", "PutBlock", resp, "Failure responding to request")
return
}
return
}
// PutBlockPreparer prepares the PutBlock request.
func (client Client) PutBlockPreparer(ctx context.Context, accountName, containerName, blobName string, input PutBlockInput) (*http.Request, error) {
pathParameters := map[string]interface{}{
"containerName": autorest.Encode("path", containerName),
"blobName": autorest.Encode("path", blobName),
}
queryParameters := map[string]interface{}{
"comp": autorest.Encode("query", "block"),
"blockid": autorest.Encode("query", input.BlockID),
}
headers := map[string]interface{}{
"x-ms-version": APIVersion,
"Content-Length": int(len(input.Content)),
}
if input.ContentMD5 != nil {
headers["x-ms-blob-content-md5"] = *input.ContentMD5
}
if input.LeaseID != nil {
headers["x-ms-lease-id"] = *input.LeaseID
}
preparer := autorest.CreatePreparer(
autorest.AsPut(),
autorest.WithBaseURL(endpoints.GetBlobEndpoint(client.BaseURI, accountName)),
autorest.WithPathParameters("/{containerName}/{blobName}", pathParameters),
autorest.WithQueryParameters(queryParameters),
autorest.WithHeaders(headers),
autorest.WithBytes(&input.Content))
return preparer.Prepare((&http.Request{}).WithContext(ctx))
}
// PutBlockSender sends the PutBlock request. The method will close the
// http.Response Body if it receives an error.
func (client Client) PutBlockSender(req *http.Request) (*http.Response, error) {
return autorest.SendWithSender(client, req,
azure.DoRetryWithRegistration(client.Client))
}
// PutBlockResponder handles the response to the PutBlock request. The method always
// closes the http.Response Body.
func (client Client) PutBlockResponder(resp *http.Response) (result PutBlockResult, err error) {
if resp != nil && resp.Header != nil {
result.ContentMD5 = resp.Header.Get("Content-MD5")
}
err = autorest.Respond(
resp,
client.ByInspecting(),
azure.WithErrorUnlessStatusCode(http.StatusCreated),
autorest.ByClosing())
result.Response = autorest.Response{Response: resp}
return
}
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