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package blobs
import (
"context"
"fmt"
"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 PutPageClearInput struct {
StartByte int64
EndByte int64
LeaseID *string
}
// PutPageClear clears a range of pages within a page blob.
func (client Client) PutPageClear(ctx context.Context, accountName, containerName, blobName string, input PutPageClearInput) (result autorest.Response, err error) {
if accountName == "" {
return result, validation.NewError("blobs.Client", "PutPageClear", "`accountName` cannot be an empty string.")
}
if containerName == "" {
return result, validation.NewError("blobs.Client", "PutPageClear", "`containerName` cannot be an empty string.")
}
if strings.ToLower(containerName) != containerName {
return result, validation.NewError("blobs.Client", "PutPageClear", "`containerName` must be a lower-cased string.")
}
if blobName == "" {
return result, validation.NewError("blobs.Client", "PutPageClear", "`blobName` cannot be an empty string.")
}
if input.StartByte < 0 {
return result, validation.NewError("blobs.Client", "PutPageClear", "`input.StartByte` must be greater than or equal to 0.")
}
if input.EndByte <= 0 {
return result, validation.NewError("blobs.Client", "PutPageClear", "`input.EndByte` must be greater than 0.")
}
req, err := client.PutPageClearPreparer(ctx, accountName, containerName, blobName, input)
if err != nil {
err = autorest.NewErrorWithError(err, "blobs.Client", "PutPageClear", nil, "Failure preparing request")
return
}
resp, err := client.PutPageClearSender(req)
if err != nil {
result = autorest.Response{Response: resp}
err = autorest.NewErrorWithError(err, "blobs.Client", "PutPageClear", resp, "Failure sending request")
return
}
result, err = client.PutPageClearResponder(resp)
if err != nil {
err = autorest.NewErrorWithError(err, "blobs.Client", "PutPageClear", resp, "Failure responding to request")
return
}
return
}
// PutPageClearPreparer prepares the PutPageClear request.
func (client Client) PutPageClearPreparer(ctx context.Context, accountName, containerName, blobName string, input PutPageClearInput) (*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", "page"),
}
headers := map[string]interface{}{
"x-ms-version": APIVersion,
"x-ms-page-write": "clear",
"x-ms-range": fmt.Sprintf("bytes=%d-%d", input.StartByte, input.EndByte),
}
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))
return preparer.Prepare((&http.Request{}).WithContext(ctx))
}
// PutPageClearSender sends the PutPageClear request. The method will close the
// http.Response Body if it receives an error.
func (client Client) PutPageClearSender(req *http.Request) (*http.Response, error) {
return autorest.SendWithSender(client, req,
azure.DoRetryWithRegistration(client.Client))
}
// PutPageClearResponder handles the response to the PutPageClear request. The method always
// closes the http.Response Body.
func (client Client) PutPageClearResponder(resp *http.Response) (result autorest.Response, err error) {
err = autorest.Respond(
resp,
client.ByInspecting(),
azure.WithErrorUnlessStatusCode(http.StatusCreated),
autorest.ByClosing())
result = autorest.Response{Response: resp}
return
}
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