1 files changed, 46 insertions, 0 deletions

diff --git a/client/src/app/shared/rest/rest-extractor.service.ts b/client/src/app/shared/rest/rest-extractor.service.ts
new file mode 100644
index 000000000..aa44799af
--- /dev/null
+++ b/client/src/app/shared/rest/rest-extractor.service.ts
@@ -0,0 +1,46 @@
+import { Injectable } from '@angular/core';
+import { Response } from '@angular/http';
+import { Observable } from 'rxjs/Observable';
+
+export interface ResultList {
+  data: any[];
+  total: number;
+}
+
+@Injectable()
+export class RestExtractor {
+
+  constructor () { ; }
+
+  extractDataBool(res: Response) {
+    return true;
+  }
+
+  extractDataList(res: Response) {
+    const body = res.json();
+
+    const ret: ResultList = {
+      data: body.data,
+      total: body.total
+    };
+
+    return ret;
+  }
+
+  extractDataGet(res: Response) {
+    return res.json();
+  }
+
+  handleError(res: Response) {
+    let text = 'Server error: ';
+    text += res.text();
+    let json = res.json();
+
+    const error = {
+      json,
+      text
+    };
+
+    return Observable.throw(error);
+  }
+}