Added content type to SetRequest struct

state/azure/blobstorage/blobstorage.go

@@ -225,6 +225,12 @@ func (r *StateStore) writeFile(req *state.SetRequest) error {
 	blobURL := r.containerURL.NewBlockBlobURL(getFileName(req.Key))
 
 	var blobHTTPHeaders azblob.BlobHTTPHeaders
+
+	if req.ContentType != nil && req.ContentType != "" {
+		blobHTTPHeaders.ContentType = req.ContentType
+	}
+
+	// this is for backward compatibility where it might have come from http request
 	if val, ok := req.Metadata[contentType]; ok && val != "" {
 		blobHTTPHeaders.ContentType = val
 		delete(req.Metadata, contentType)

state/requests.go

@@ -48,6 +48,7 @@ type SetRequest struct {
 	ETag        *string           `json:"etag,omitempty"`
 	Metadata    map[string]string `json:"metadata,omitempty"`
 	Options     SetStateOption    `json:"options,omitempty"`
+	ContentType string            `json:"contentType,omitempty"`
 }
 
 // GetKey gets the Key on a SetRequest

state/responses.go

@@ -10,6 +10,7 @@ type GetResponse struct {
 	Data        []byte            `json:"data"`
 	ETag        *string           `json:"etag,omitempty"`
 	Metadata    map[string]string `json:"metadata"`
+	ContentType string            `json:"contentType,omitempty"`
 }
 
 // BulkGetResponse is the response object for bulk get response.