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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| import 'dart:convert'; | ||
|
|
||
| import 'package:nextcloud_cookbook_flutter/src/models/app_authentication.dart'; | ||
| import 'package:nextcloud_cookbook_flutter/src/services/user_repository.dart'; | ||
|
|
||
| class VersionProvider { | ||
| ApiVersion _currentApiVersion; | ||
| bool warningWasShown = false; | ||
|
|
||
| Future<ApiVersion> fetchApiVersion() async { | ||
| warningWasShown = false; | ||
|
|
||
| AppAuthentication appAuthentication = | ||
| UserRepository().getCurrentAppAuthentication(); | ||
|
|
||
| var response = await appAuthentication.authenticatedClient | ||
| .get("${appAuthentication.server}/index.php/apps/cookbook/api/version"); | ||
|
|
||
| if (response.statusCode == 200 && | ||
| !response.data.toString().startsWith("<!DOCTYPE html>")) { | ||
| try { | ||
| _currentApiVersion = ApiVersion.decodeJsonApiVersion(response.data); | ||
| } catch (e) { | ||
| _currentApiVersion = ApiVersion(0, 0, 0, 0, 0); | ||
| _currentApiVersion.loadFailureMessage = e.toString(); | ||
| } | ||
| } else { | ||
| _currentApiVersion = ApiVersion(0, 0, 0, 0, 0); | ||
| } | ||
|
|
||
| return _currentApiVersion; | ||
| } | ||
|
|
||
| ApiVersion getApiVersion() { | ||
| return _currentApiVersion; | ||
| } | ||
| } | ||
|
|
||
| class ApiVersion { | ||
| static const int CONFIRMED_MAJOR_API_VERSION = 0; | ||
| static const int CONFIRMED_MINOR_API_VERSION = 1; | ||
|
|
||
| final int majorApiVersion; | ||
| final int minorApiVersion; | ||
| final int majorAppVersion; | ||
| final int minorAppVersion; | ||
| final int patchAppVersion; | ||
|
|
||
| String loadFailureMessage = ""; | ||
|
|
||
| ApiVersion( | ||
| this.majorApiVersion, | ||
| this.minorApiVersion, | ||
| this.majorAppVersion, | ||
| this.minorAppVersion, | ||
| this.patchAppVersion, | ||
| ); | ||
|
|
||
| static ApiVersion decodeJsonApiVersion(jsonString) { | ||
| Map<String, dynamic> data = json.decode(jsonString); | ||
|
|
||
| if (!(data.containsKey("cookbook_version") && | ||
| data.containsKey("api_version"))) { | ||
| throw Exception("Required Fields not present!\n$jsonString"); | ||
| } | ||
|
|
||
| List<int> appVersion = data["cookbook_version"].cast<int>(); | ||
| var apiVersion = data["api_version"]; | ||
|
|
||
| if (!(appVersion.length == 3 && | ||
| apiVersion.containsKey("major") && | ||
| apiVersion.containsKey("minor"))) { | ||
| throw Exception("Required Fields not present!\n$jsonString"); | ||
| } | ||
|
|
||
| return ApiVersion( | ||
| apiVersion["major"], | ||
| apiVersion["minor"], | ||
| appVersion[0], | ||
| appVersion[1], | ||
| appVersion[2], | ||
| ); | ||
| } | ||
|
|
||
| /// Returns a VersionCode that indicates the app which endpoints to call. | ||
| /// Versions only need to be adapted if backwards comparability is required. | ||
| AndroidApiVersion getAndroidVersion() { | ||
| if (majorApiVersion == 0 && minorApiVersion == 0) { | ||
| return AndroidApiVersion.BEFORE_API_ENDPOINT; | ||
| } else { | ||
| return AndroidApiVersion.CATEGORY_API_TRANSITION; | ||
| } | ||
| } | ||
|
|
||
| bool isVersionAboveConfirmed() { | ||
| if (majorApiVersion > CONFIRMED_MAJOR_API_VERSION || | ||
| (majorApiVersion == CONFIRMED_MAJOR_API_VERSION && | ||
| minorApiVersion > CONFIRMED_MINOR_API_VERSION)) { | ||
| return true; | ||
| } else { | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| @override | ||
| String toString() { | ||
| return "ApiVersion: $majorApiVersion.$minorApiVersion AppVersion: $majorAppVersion.$minorAppVersion.$patchAppVersion"; | ||
| } | ||
| } | ||
|
|
||
| enum AndroidApiVersion { BEFORE_API_ENDPOINT, CATEGORY_API_TRANSITION } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter_translate/flutter_translate.dart'; | ||
| import 'package:nextcloud_cookbook_flutter/src/services/user_repository.dart'; | ||
| import 'package:nextcloud_cookbook_flutter/src/services/version_provider.dart'; | ||
|
|
||
| class ApiVersionWarning extends StatelessWidget { | ||
| @override | ||
| Widget build(BuildContext context) { | ||
| VersionProvider versionProvider = UserRepository().versionProvider; | ||
| ApiVersion apiVersion = versionProvider.getApiVersion(); | ||
|
|
||
| if (!versionProvider.warningWasShown) { | ||
| versionProvider.warningWasShown = true; | ||
| Future.delayed(const Duration(milliseconds: 100), () { | ||
| if (apiVersion.loadFailureMessage.isNotEmpty) { | ||
| Scaffold.of(context).showSnackBar( | ||
| SnackBar( | ||
| content: Text( | ||
| translate( | ||
| "categories.errors.api_version_check_failed", | ||
| args: {"error_msg": apiVersion.loadFailureMessage}, | ||
| ), | ||
| ), | ||
| backgroundColor: Colors.red, | ||
| ), | ||
| ); | ||
| } else if (apiVersion.isVersionAboveConfirmed()) { | ||
| Scaffold.of(context).showSnackBar( | ||
| SnackBar( | ||
| content: Text( | ||
| translate( | ||
| "categories.errors.api_version_above_confirmed", | ||
| args: { | ||
| "version": apiVersion.majorApiVersion.toString() + | ||
| "." + | ||
| apiVersion.minorApiVersion.toString() | ||
| }, | ||
| ), | ||
| ), | ||
| backgroundColor: Colors.orange, | ||
| ), | ||
| ); | ||
| } | ||
| }); | ||
| } | ||
| return Container(); | ||
| } | ||
| } |
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