feat: vylepšit offline užívání

Merge pull request #34 from hernikplays/lepsi-offline

.flutter

@@ -0,0 +1 @@
+Subproject commit 52b3dc25f6471c27b2144594abb11c741cb88f57

.gitmodules

@@ -0,0 +1,4 @@
+[submodule ".flutter"]
+	path = .flutter
+	url = https://github.com/flutter/flutter.git
+	branch = stable

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "dart.flutterSdkPath": ".flutter",
+}

CHANGELOG.md

@@ -1,3 +1,7 @@
+# 1.5.0
+- umožnit ukládat více dnů offline
+- chyba při ukládání offline vás nyní již nevyhodí ale zobrazí pouze zprávu
+- "Přihlašování" pop-up zmizí, když není přihlášení úspěšné
 # 1.4.2
 - aktualizace knihovny flutter_local_notifications
 - lepší podpora pro Android 13

flutterw

@@ -0,0 +1,113 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Flutter start up script for UN*X
+##  Version: v1.3.1
+##  Date: 2022-11-21 17:25:38
+##
+##  Use this flutter wrapper to bundle Flutter within your project to make
+##  sure everybody builds with the same version.
+##
+##  Read about the install and uninstall process in the README on GitHub
+##  https://github.com/passsy/flutter_wrapper
+##
+##  Inspired by gradle-wrapper.
+##
+##############################################################################
+
+echoerr() { echo "$@" 1>&2; }
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ]; do
+  ls=$(ls -ld "$PRG")
+  link=$(expr "$ls" : '.*-> \(.*\)$')
+  if expr "$link" : '/.*' >/dev/null; then
+    PRG="$link"
+  else
+    PRG=$(dirname "$PRG")"/$link"
+  fi
+done
+SAVED="$(pwd)"
+cd "$(dirname "$PRG")/" >/dev/null
+APP_HOME="$(pwd -P)"
+cd "$SAVED" >/dev/null
+
+FLUTTER_SUBMODULE_NAME='.flutter'
+GIT_HOME=$(git -C "${APP_HOME}" rev-parse --show-toplevel)
+FLUTTER_DIR="${GIT_HOME}/${FLUTTER_SUBMODULE_NAME}"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+# Fix not initialized flutter submodule
+if [ ! -f "${FLUTTER_DIR}/bin/flutter" ]; then
+  echoerr "$FLUTTER_SUBMODULE_NAME submodule not initialized. Initializing..."
+  git submodule update --init "${FLUTTER_DIR}"
+fi
+
+# Detect detach HEAD and fix it. commands like upgrade expect a valid branch, not a detached HEAD
+FLUTTER_SYMBOLIC_REF=$(git -C "${FLUTTER_DIR}" symbolic-ref -q HEAD)
+if [ -z "${FLUTTER_SYMBOLIC_REF}" ]; then
+  FLUTTER_REV=$(git -C "${FLUTTER_DIR}" rev-parse HEAD)
+  FLUTTER_CHANNEL=$(git -C "${GIT_HOME}" config -f .gitmodules submodule.${FLUTTER_SUBMODULE_NAME}.branch)
+
+  if [ -z "${FLUTTER_CHANNEL}" ]; then
+    echoerr "Warning: Submodule '$FLUTTER_SUBMODULE_NAME' doesn't point to an official Flutter channel \
+(one of stable|beta|dev|master). './flutterw upgrade' will fail without a channel."
+    echoerr "Fix this by adding a specific channel with:"
+    echoerr " - './flutterw channel <channel>' or"
+    echoerr " - Add 'branch = <channel>' to '$FLUTTER_SUBMODULE_NAME' submodule in .gitmodules"
+  else
+    echoerr "Fixing detached HEAD: '$FLUTTER_SUBMODULE_NAME' submodule points to a specific commit $FLUTTER_REV, not channel '$FLUTTER_CHANNEL' (as defined in .gitmodules)."
+    # Make sure channel is fetched
+    # Remove old channel branch because it might be moved to an unrelated commit where fast-forward pull isn't possible
+    git -C "${FLUTTER_DIR}" branch -q -D "${FLUTTER_CHANNEL}" 2> /dev/null || true
+    git -C "${FLUTTER_DIR}" fetch -q origin
+
+    # bind current HEAD to channel defined in .gitmodules
+    git -C "${FLUTTER_DIR}" checkout -q -b "${FLUTTER_CHANNEL}" "${FLUTTER_REV}"
+    git -C "${FLUTTER_DIR}" branch -q -u "origin/${FLUTTER_CHANNEL}" "${FLUTTER_CHANNEL}"
+    echoerr "Fixed! Migrated to channel '$FLUTTER_CHANNEL' while staying at commit $FLUTTER_REV. './flutterw upgrade' now works without problems!"
+    git -C "${FLUTTER_DIR}" status -bs
+  fi
+fi
+
+# Wrapper tasks done, call flutter binary with all args
+set -e
+"$FLUTTER_DIR/bin/flutter" "$@"
+set +e
+
+# Post flutterw tasks. exit code from /bin/flutterw will be used as final exit
+FLUTTER_EXIT_STATUS=$?
+if [ ${FLUTTER_EXIT_STATUS} -eq 0 ]; then
+
+  # ./flutterw channel CHANNEL
+  if echo "$@" | grep -q "channel"; then
+    if [ -n "$2" ]; then
+      # make sure .gitmodules is updated as well
+      CHANNEL=${2} # second arg
+      git config -f "${GIT_HOME}/.gitmodules" "submodule.${FLUTTER_SUBMODULE_NAME}.branch" "${CHANNEL}"
+      # makes sure nobody forgets to do commit all changed files
+      git add "${GIT_HOME}/.gitmodules"
+      git add "${FLUTTER_DIR}"
+    fi
+  fi
+
+  # ./flutterw upgrade
+  if echo "$@" | grep -q "upgrade"; then
+    # makes sure nobody forgets to do commit the changed submodule
+    git add "${FLUTTER_DIR}"
+    # flutter packages get runs automatically. Stage those changes as well
+    if [ -f pubspec.lock ]; then
+      git add pubspec.lock
+    fi
+  fi
+fi
+
+exit ${FLUTTER_EXIT_STATUS}

lib/lang/lang.dart

@@ -147,6 +147,8 @@ abstract class Languages {
 
   String get saveOffline;
 
+  String get saveCount;
+
   String get skipWeekend;
 
   String get checkOrdered;
@@ -162,6 +164,8 @@ abstract class Languages {
 
   String get mustLogout;
 
+  String get errorSaving;
+
   // Oznámit před obědem
   String get lunchNotif;
 

lib/lang/lang_cz.dart

@@ -237,4 +237,11 @@ class LanguageCz extends Languages {
 
   @override
   String get review => "Ohodnotit aplikaci";
+
+  @override
+  String get saveCount => "Počet dnů dostupných offline (Akt. limit je 7)";
+
+  @override
+  String get errorSaving =>
+      "Při ukládání offline nastala chyba, zkuste to znovu později.";
 }

lib/lang/lang_en.dart

@@ -235,4 +235,11 @@ class LanguageEn extends Languages {
 
   @override
   String get review => "Review the app";
+
+  @override
+  String get saveCount => "Number of days to save offline (Current limit is 7)";
+
+  @override
+  String get errorSaving =>
+      "An error occured while trying to save menu offline, try again later.";
 }

lib/main.dart

@@ -1,4 +1,3 @@
-import 'dart:convert';
 import 'dart:io';
 
 import 'package:flutter/material.dart';
@@ -13,7 +12,6 @@ import 'package:canteenlib/canteenlib.dart';
 import 'package:opencanteen/okna/offline_jidelnicek.dart';
 import 'package:opencanteen/okna/welcome.dart';
 import 'package:opencanteen/util.dart';
-import 'package:path_provider/path_provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:intl/intl.dart';
 import 'package:timezone/data/latest_all.dart' as tz;
@@ -237,6 +235,7 @@ class _LoginPageState extends State<LoginPage> {
           }
         } on PlatformException {
           if (!mounted) return;
+          Navigator.of(context).pop();
           ScaffoldMessenger.of(context).hideCurrentSnackBar();
           ScaffoldMessenger.of(context).showSnackBar(
             SnackBar(
@@ -245,6 +244,7 @@ class _LoginPageState extends State<LoginPage> {
           );
         } catch (_) {
           if (!mounted) return;
+          Navigator.of(context).pop();
           ScaffoldMessenger.of(context).hideCurrentSnackBar();
           ScaffoldMessenger.of(context).showSnackBar(
             SnackBar(
@@ -418,32 +418,12 @@ class _LoginPageState extends State<LoginPage> {
 
   /// Získá offline soubor a zobrazí údaje
   void goOffline() async {
-    Directory appDocDir = await getApplicationDocumentsDirectory();
-    var den = DateTime.now();
-    var soubor = File(
-        "${appDocDir.path}/jidelnicek_${den.year}-${den.month}-${den.day}.json");
-    if (soubor.existsSync()) {
-      // načteme offline jídelníček
-      var input = await soubor.readAsString();
-      var r = jsonDecode(input);
-      List<OfflineJidlo> jidla = [];
-      for (var j in r) {
-        jidla.add(OfflineJidlo(
-            nazev: j["nazev"],
-            varianta: j["varianta"],
-            objednano: j["objednano"],
-            cena: j["cena"],
-            naBurze: j["naBurze"],
-            den: DateTime.parse(j["den"])));
-      }
     if (!mounted) return;
     Navigator.pushAndRemoveUntil(
         context,
-          MaterialPageRoute(
+        MaterialPageRoute(builder: ((context) => const OfflineJidelnicek())),
-              builder: ((context) => OfflineJidelnicek(jidla: jidla))),
         (route) => false);
   }
-  }
 }
 
 class AppLocalizationsDelegate extends LocalizationsDelegate<Languages> {

lib/okna/jidelnicek.dart

@@ -382,52 +382,60 @@ class _JidelnicekPageState extends State<JidelnicekPage> {
     kontrolaTyden(context);
   }
 
-  /// uložení jídelníčku pro dnešek offline
+  void ulozitDoOffline() async {
-  void ulozitDnesekOffline() async {
     var prefs = await SharedPreferences.getInstance();
-    if (prefs.getBool("offline") != null && prefs.getBool("offline")!) {
+    if (prefs.getBool("offline") ?? false) {
+      // vyčistit offline
       Directory appDocDir = await getApplicationDocumentsDirectory();
       for (var f in appDocDir.listSync()) {
-        // Vymažeme obsah
         if (f.path.contains("jidelnicek")) {
           f.deleteSync();
         }
       }
 
-      // Uložíme nová data
+      // uložit *pocet* jídelníčků pro offline použití
-      Jidelnicek j = Jidelnicek(DateTime.now(), []);
+      var pocet = prefs.getInt("offline_pocet") ?? 1;
+      if (pocet > 7) pocet = 7;
+      for (var i = 0; i < pocet; i++) {
+        var d = den.add(Duration(days: i));
+        Jidelnicek? j;
         try {
-        j = await widget.canteen.jidelnicekDen();
+          j = await widget.canteen.jidelnicekDen(den: d);
         } catch (e) {
           if (!widget.canteen.prihlasen) {
             if (!mounted) return; // ! Přidat chybu, pokud není mounted
-          Navigator.pushReplacement(
+            ScaffoldMessenger.of(context).hideCurrentSnackBar();
-              context, MaterialPageRoute(builder: (c) => const LoginPage()));
+            ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+              content: Text(Languages.of(context)!.errorSaving),
+              duration: const Duration(seconds: 5),
+            ));
+            break;
           }
         }
         var soubor = File(
-          "${appDocDir.path}/jidelnicek_${den.year}-${den.month}-${den.day}.json");
+            "${appDocDir.path}/jidelnicek_${d.year}-${d.month}-${d.day}.json");
         soubor.createSync();
         var jidla = [];
-      for (var jidlo in j.jidla) {
+        for (var jidlo in j!.jidla) {
           jidla.add({
             "nazev": jidlo.nazev,
             "varianta": jidlo.varianta,
             "objednano": jidlo.objednano,
             "cena": jidlo.cena,
             "naBurze": jidlo.naBurze,
-          "den": den.toString()
+            "den": d.toString()
           });
         }
         await soubor.writeAsString(json.encode(jidla));
       }
     }
+  }
 
   @override
   void didChangeDependencies() {
     super.didChangeDependencies();
     nactiNastaveni();
-    ulozitDnesekOffline();
+    ulozitDoOffline();
     nactiJidlo();
   }
 

lib/okna/nastaveni.dart

@@ -2,6 +2,7 @@ import 'dart:io';
 
 import 'package:canteenlib/canteenlib.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:flutter_native_timezone/flutter_native_timezone.dart';
 import 'package:path_provider/path_provider.dart';
@@ -28,21 +29,25 @@ class _NastaveniState extends State<Nastaveni> {
   bool _oznameniObed = false;
   bool _zapamatovany = false;
   TimeOfDay _oznameniCas = TimeOfDay.now();
-
+  final TextEditingController _countController =
+      TextEditingController(text: "1");
+  SharedPreferences? preferences;
   void najitNastaveni() async {
-    var preferences = await SharedPreferences.getInstance();
+    preferences = await SharedPreferences.getInstance();
     _zapamatovany = await LoginManager.zapamatovat();
     setState(() {
-      _ukladatOffline = preferences.getBool("offline") ?? false;
+      _ukladatOffline = preferences!.getBool("offline") ?? false;
-      _preskakovatVikend = preferences.getBool("skip") ?? false;
+      _preskakovatVikend = preferences!.getBool("skip") ?? false;
-      _kontrolovatTyden = preferences.getBool("tyden") ?? false;
+      _kontrolovatTyden = preferences!.getBool("tyden") ?? false;
-      _oznameniObed = preferences.getBool("oznamit") ?? false;
+      _oznameniObed = preferences!.getBool("oznamit") ?? false;
-      var casStr = preferences.getString("oznameni_cas");
+      _countController.text =
+          (preferences!.getInt("offline_pocet") ?? 1).toString();
+      var casStr = preferences!.getString("oznameni_cas");
       if (casStr == null) {
         var now = DateTime.now();
         _oznameniCas = TimeOfDay.fromDateTime(
             DateTime.now().add(const Duration(hours: 1)));
-        preferences.setString("oznameni_cas", now.toString());
+        preferences!.setString("oznameni_cas", now.toString());
       } else {
         _oznameniCas = TimeOfDay.fromDateTime(DateTime.parse(casStr));
       }
@@ -50,8 +55,7 @@ class _NastaveniState extends State<Nastaveni> {
   }
 
   void zmenitNastaveni(String key, bool value) async {
-    var preferences = await SharedPreferences.getInstance();
+    preferences!.setBool(key, value);
-    preferences.setBool(key, value);
   }
 
   @override
@@ -86,6 +90,27 @@ class _NastaveniState extends State<Nastaveni> {
                     })
               ],
             ),
+            Row(
+              mainAxisAlignment: MainAxisAlignment.spaceBetween,
+              children: [
+                Text(Languages.of(context)!.saveCount),
+                SizedBox(
+                  width: 35,
+                  child: TextField(
+                    controller: _countController,
+                    enabled: _ukladatOffline,
+                    keyboardType: TextInputType.number,
+                    inputFormatters: [FilteringTextInputFormatter.digitsOnly],
+                    onChanged: (c) {
+                      var cislo = int.tryParse(c);
+                      if (cislo != null) {
+                        preferences!.setInt("offline_pocet", cislo);
+                      }
+                    },
+                  ),
+                )
+              ],
+            ),
             Row(
               mainAxisAlignment: MainAxisAlignment.spaceBetween,
               children: [

lib/okna/offline_jidelnicek.dart

@@ -1,27 +1,57 @@
+import 'dart:convert';
 import 'dart:io';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:opencanteen/util.dart';
 import 'package:package_info_plus/package_info_plus.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 import 'package:url_launcher/url_launcher.dart';
 
 import '../lang/lang.dart';
 import '../main.dart';
 
 class OfflineJidelnicek extends StatefulWidget {
-  const OfflineJidelnicek({Key? key, required this.jidla}) : super(key: key);
+  const OfflineJidelnicek({Key? key}) : super(key: key);
-  final List<OfflineJidlo> jidla;
   @override
   State<OfflineJidelnicek> createState() => _OfflineJidelnicekState();
 }
 
 class _OfflineJidelnicekState extends State<OfflineJidelnicek> {
   List<Widget> obsah = [const CircularProgressIndicator()];
+  var _skipWeekend = false;
   DateTime den = DateTime.now();
   String denTydne = "";
+  List<List<OfflineJidlo>> data = [];
+  var jidloIndex = 0;
+
+  void nactiZeSouboru() async {
+    Directory appDocDir = await getApplicationDocumentsDirectory();
+    for (var f in appDocDir.listSync()) {
+      if (f.path.contains("jidelnicek")) {
+        var soubor = File(f.path);
+        var input = await soubor.readAsString();
+        var r = jsonDecode(input);
+        List<OfflineJidlo> jidla = [];
+        for (var j in r) {
+          jidla.add(OfflineJidlo(
+              nazev: j["nazev"],
+              varianta: j["varianta"],
+              objednano: j["objednano"],
+              cena: j["cena"],
+              naBurze: j["naBurze"],
+              den: DateTime.parse(j["den"])));
+        }
+        data.add(jidla);
+      }
+    }
+    nactiJidlo();
+  }
+
   Future<void> nactiJidlo() async {
-    den = widget.jidla[0].den;
+    var jidelnicek = data[jidloIndex];
+    den = jidelnicek[0].den;
     switch (den.weekday) {
       case 2:
         denTydne = Languages.of(context)!.tuesday;
@@ -45,7 +75,7 @@ class _OfflineJidelnicekState extends State<OfflineJidelnicek> {
         denTydne = Languages.of(context)!.monday;
     }
     obsah = [];
-    for (OfflineJidlo j in widget.jidla) {
+    for (OfflineJidlo j in jidelnicek) {
       obsah.add(
         Padding(
           padding: const EdgeInsets.only(top: 15),
@@ -70,7 +100,8 @@ class _OfflineJidelnicekState extends State<OfflineJidelnicek> {
                       return;
                     })
               ],
-          )),
+            ),
+          ),
         ),
       );
     }
@@ -116,7 +147,14 @@ class _OfflineJidelnicekState extends State<OfflineJidelnicek> {
   @override
   void didChangeDependencies() {
     super.didChangeDependencies();
-    nactiJidlo();
+    nactiNastaveni();
+  }
+
+  void nactiNastaveni() async {
+    var prefs = await SharedPreferences.getInstance();
+    _skipWeekend = prefs.getBool("skip") ?? false;
+    if (!mounted) return;
+    nactiZeSouboru();
   }
 
   @override
@@ -157,11 +195,61 @@ class _OfflineJidelnicekState extends State<OfflineJidelnicek> {
                 ),
                 Text(Languages.of(context)!.mustLogout),
                 const SizedBox(height: 10),
+                Row(mainAxisAlignment: MainAxisAlignment.center, children: [
+                  IconButton(
+                      onPressed: () {
+                        if (data.length <= 1) return;
+                        obsah = [const CircularProgressIndicator()];
+                        setState(() {
+                          if (den.weekday == 1 && _skipWeekend) {
+                            // pokud je pondělí a chceme přeskočit víkend
+                            if (jidloIndex - 2 >= 0) {
+                              jidloIndex -= data.length - 3;
+                            } else {
+                              jidloIndex = data.length - 1;
+                            }
+                          } else if (jidloIndex == 0) {
+                            jidloIndex = data.length - 1;
+                          } else {
+                            jidloIndex -= 1;
+                          }
+
+                          nactiJidlo();
+                        });
+                      },
+                      icon: const Icon(Icons.arrow_left)),
                   TextButton(
-                  child:
+                      onPressed: () async {},
-                      Text("${den.day}. ${den.month}. ${den.year} - $denTydne"),
+                      child: Text(
-                  onPressed: () => {},
+                          "${den.day}. ${den.month}. ${den.year} - $denTydne")),
+                  IconButton(
+                    onPressed: () {
+                      if (data.length <= 1) return;
+                      obsah = [const CircularProgressIndicator()];
+                      setState(() {
+                        if (den.weekday == 5 && _skipWeekend) {
+                          // pokud je pondělí a chceme přeskočit víkend
+                          if (jidloIndex + 2 <= data.length - 1) {
+                            jidloIndex += 2;
+                          } else {
+                            jidloIndex = 0;
+                          }
+                        } else if (jidloIndex == data.length) {
+                          jidloIndex = 0;
+                        } else {
+                          jidloIndex += 1;
+                        }
+                        nactiJidlo();
+                      });
+                    },
+                    icon: const Icon(Icons.arrow_right),
                   ),
+                  IconButton(
+                      onPressed: () {
+                        jidloIndex = 0;
+                      },
+                      icon: const Icon(Icons.today))
+                ]),
                 SingleChildScrollView(
                   physics: const AlwaysScrollableScrollPhysics(),
                   child: Column(

metadata/cs-CZ/changelogs/23.txt

@@ -0,0 +1,3 @@
+- Umožnit ukládat více dnů offline
+- Pop-up "Přihlašování" nyní zmizí v případě neúspěšného přihlášení
+- chyba při ukládání offline vás nyní již nevyhodí ale zobrazí pouze zprávu

metadata/en-US/changelogs/23.txt

@@ -0,0 +1,3 @@
+- Support downloading multiple days of meal lists offline
+- "Signing in" pop-up disappears when not signed in succesfully
+- Error while saving menu offline no longer throws you to the log-in screen, but shows just an error message

pubspec.yaml

@@ -6,7 +6,7 @@ publish_to: 'none'
 # The following defines the version and build number for your application.
 # A version number is three numbers separated by dots, like 1.2.43
 # followed by an optional build number separated by a +.
-version: 1.4.2+22
+version: 1.5.0+23
 
 environment:
   sdk: ">=2.16.1 <3.0.0"