Merge pull request #402 from 77bo/response-headers-support

Support for #400, handling response headers after upload request

README.md

@@ -72,6 +72,7 @@ export interface UploadFile {
   progress: UploadProgress;
   response?: any; // response when upload is done (parsed JSON or string)
   responseStatus?: number; // response status code when upload is done
+  responseHeaders?: { [key: string]: string }; // response headers when upload is done
 }
 
 // output events emitted by ngx-uploader

src/ngx-uploader/classes/interfaces.ts

@@ -42,6 +42,7 @@ export interface UploadFile {
   responseStatus?: number;
   sub?: Subscription | any;
   nativeFile?: File;
+  responseHeaders?: { [key: string]: string };
 }
 
 export interface UploadOutput {

src/ngx-uploader/classes/ngx-uploader.class.ts

@@ -205,6 +205,8 @@ export class NgUploaderService {
             file.response = xhr.response;
           }
 
+          file.responseHeaders = this.parseResponseHeaders(xhr.getAllResponseHeaders());
+
           observer.next({ type: 'done', file: file });
 
           observer.complete();
@@ -295,4 +297,17 @@ export class NgUploaderService {
       nativeFile: file
     };
   }
+
+  private parseResponseHeaders(httpHeaders: ByteString) {
+    if (!httpHeaders) {
+      return;
+    }
+    return httpHeaders.split('\n')
+      .map(x => x.split(/: */, 2))
+      .filter(x => x[0])
+      .reduce((ac, x) => {
+        ac[x[0]] = x[1];
+        return ac;
+      }, {});
+  }
 }