Initial draft

lib/services/erpframe.dart

@@ -0,0 +1,75 @@
+import 'dart:async';
+import 'package:docuframe/docuframe.dart' as df;
+import 'package:hl_lieferservice/util.dart';
+import 'package:flutter/cupertino.dart';
+
+class LocalDocuFrameConfiguration {
+  String host;
+  final String user;
+  final String pass;
+  final List<String> appNames;
+  final String appKey;
+
+  LocalDocuFrameConfiguration(
+      {required this.host,
+      required this.appKey,
+      required this.appNames,
+      required this.pass,
+      required this.user});
+
+  Map<String, dynamic> toJson() {
+    return {
+      "host": host,
+      "user": user,
+      "pass": pass,
+      "appNames": appNames,
+      "appKey": appKey
+    };
+  }
+
+  factory LocalDocuFrameConfiguration.fromJson(Map<String, dynamic> json) {
+    return LocalDocuFrameConfiguration(
+        host: getValueOrThrowIfNotPresent("host", json),
+        appKey: getValueOrThrowIfNotPresent("appKey", json),
+        appNames: (getValueOrThrowIfNotPresent("appNames", json) as List)
+            .cast<String>(),
+        pass: getValueOrThrowIfNotPresent("pass", json),
+        user: getValueOrThrowIfNotPresent("user", json));
+  }
+}
+
+class ErpFrameService {
+  ErpFrameService({required this.config});
+
+  final LocalDocuFrameConfiguration config;
+
+  df.DocuFrameConfiguration get dfConfig {
+    df.DocuFrameConfiguration dfConfig =
+        df.DocuFrameConfiguration(url: config.host, appkey: config.appKey);
+
+    return dfConfig;
+  }
+
+  Future<df.LoginSession> getSession() async {
+    df.LoginV1 request = df.LoginV1(config: dfConfig);
+    df.LoginSession session =
+        await request.authorize(config.user, config.pass, config.appNames);
+
+    debugPrint("LOGIN WITH SESSION ID ${session.sessionId}");
+
+    return session;
+  }
+
+  Future<void> logout(df.LoginSession? session) async {
+    if (session != null) {
+      try {
+        await df.Logout(config: dfConfig, session: session).logout();
+      } catch (e, st) {
+        debugPrint("Logout failed");
+        debugPrint(e.toString());
+        debugPrint(st.toString());
+      }
+      debugPrint("Logged out with session ID: ${session.sessionId}");
+    }
+  }
+}