Export import rework

.gitignore

@@ -43,3 +43,4 @@ app.*.map.json
 /android/app/profile
 /android/app/release
 /main.dart.incremental.dill
+/l10n_errors.txt

l10n.yaml

@@ -1,3 +1,4 @@
 arb-dir: lib/l10n
 template-arb-file: app_en.arb
-output-localization-file: app_localizations.dart
+output-localization-file: app_localizations.dart
+untranslated-messages-file: l10n_errors.txt

lib/components/settings_widgets.dart

@@ -340,6 +340,43 @@ class _InputSettingsTileState extends State<InputSettingsTile> {
   }
 }
 
+class DropDownSettingsTile<T> extends StatelessWidget {
+  final Widget title;
+  final Widget? leading;
+  final Widget? description;
+  final bool disabled;
+
+  final T value;
+  final List<DropdownMenuItem<T>> items;
+  final void Function(T? value) onChanged;
+
+
+  const DropDownSettingsTile({required this.title, required this.value,
+    required this.onChanged, required this.items, this.disabled = false, this.leading, this.description, super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return SettingsTile(
+      title: title,
+      description: description,
+      leading: leading,
+      disabled: disabled,
+      onPressed: (BuildContext context) {  },
+      trailing: Row(
+        children: [
+          DropdownButton<T>(
+            value: value,
+            items: items,
+            onChanged: onChanged,
+          ),
+          const SizedBox(width: 15,)
+        ],
+      ),
+    );
+  }
+
+}
+
 class SettingsSection extends StatelessWidget {
   final Widget title;
   final List<Widget> children;

lib/l10n/app_de.arb

@@ -35,6 +35,13 @@
   "errNoValue": "Bitte Wert eingeben",
   "errNotEnoughDataToGraph": "Zuwenig Daten für Graphen",
   "errNoData": "Keine Daten",
+  "errNoRangeForExport": "Sie müssen angeben, welche daten sie exportieren wollen.",
+  "errPleaseSelect": "Bitte auswählen",
+  "errWrongImportFormat": "Es können nur Dateien im csv und SQLite db Format importiert werden.",
+  "errNeedHeadline": "Es können nur Dateien mit einer Überschrift importiert werden.",
+  "errCantReadFile": "Der Inhalt der Datei kann nicht gelesen werden",
+  "errNotImportable": "Diese Datei kann nicht importiert werden.",
+
 
   "btnCancel": "ABBRUCH",
   "btnSave": "OK",
@@ -52,8 +59,10 @@
   "layout": "Layout",
   "allowManualTimeInput": "Editierbare Zeitangaben",
   "enterTimeFormatScreen": "Datums-/Zeitformat",
-  "followSystemDarkMode": "Thema wie System",
-  "darkMode": "Dunkles Thema",
+  "theme": "Thema",
+  "system": "System",
+  "dark": "Dunkel",
+  "light": "Hell",
   "iconSize": "Größe der Knöpfe",
   "graphLineThickness": "Linienstärke d. Graphen",
   "animationSpeed": "Animationsdauer",
@@ -73,9 +82,25 @@
   "sysWarn": "Warnwert Sys",
   "diaWarn": "Warnwert Dia",
   "data": "Daten",
-  "useExportCompatability": "Kompatibler Export",
-  "useExportCompatabilityDesc": "Signalisiert Export als Text",
-  "export": "Exportieren",
+
+  "exportImport": "Exportieren / Importieren",
+  "exportLimitDataRange": "Datenbereich einschränken",
+  "exportInterval": "Datenbereich",
+  "exportFormat": "Exportformat",
+  "exportCustomEntries": "Eigene Felder",
+  "addEntry": "Feld hinzufügen",
+  "exportMimeType": "Export MIME typ",
+  "exportMimeTypeDesc": "gibt anderen dateityp weiter",
+  "exportCsvHeadline": "Überschrift",
+  "exportCsvHeadlineDesc": "Feldbezeichnungen zum Differenzieren",
+  "csv": "CSV",
+  "pdf": "PDF",
+  "db": "SQLITE DB",
+  "text": "Text",
+  "other": "Anderes",
+  "fieldDelimiter": "Feldseparator",
+  "textDelimiter": "Textbegrenzung",
+  "export": "EXPORT",
   "exportSuccess": "Exportiert in: {path}",
   "@exportSuccess": {
     "placeholders": {
@@ -84,10 +109,20 @@
       }
     }
   },
+  "exportWarnConfigNotImportable": "Hey! Nur eine freundliche Info: Die aktuelle Exportkonfiguration ist nicht importierbar. Um das zu beheben, stelle sicher, dass der Exporttyp als CSV festgelegt ist, die Überschrift aktiviert ist und die Felder 'diastolic', 'systolic', 'pulse', 'notes' sowie eines der verfügbaren Zeitformate enthalten sind.",
+
   "shared": "Geteilt",
-  "import": "Import",
+  "import": "IMPORT",
   "sourceCode": "Quellcode",
   "licenses": "Lizenzen dritter",
+  "importSuccess": "Es wurden {count} Einträge erfolgreich importiert",
+  "@importSuccess": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
 
   "statistics": "Statistik",
   "measurementCount": "Anzahl Messungen",

lib/l10n/app_en.arb

@@ -35,6 +35,12 @@
   "errNoValue": "Please enter a value",
   "errNotEnoughDataToGraph": "not enough data to draw graph",
   "errNoData": "no data",
+  "errNoRangeForExport": "You need to specify a range in which data is exported.",
+  "errPleaseSelect": "please select",
+  "errWrongImportFormat": "You can only import files in csv and SQLite db format.",
+  "errNeedHeadline": "You can only import files with a headline.",
+  "errCantReadFile": "The file contents can not be read",
+  "errNotImportable": "This file can't be imported",
 
   "btnCancel": "CANCEL",
   "btnSave": "SAVE",
@@ -52,8 +58,10 @@
   "layout": "layout",
   "allowManualTimeInput": "allow manual time input",
   "enterTimeFormatScreen": "time format",
-  "followSystemDarkMode": "follow system dark mode",
-  "darkMode": "enable dark mode",
+  "theme": "theme",
+  "system": "System",
+  "dark": "dark",
+  "light": "light",
   "iconSize": "icon size",
   "graphLineThickness": "line thickness",
   "animationSpeed": "animation duration",
@@ -73,9 +81,25 @@
   "sysWarn": "systolic warn",
   "diaWarn": "diastolic warn",
   "data": "data",
-  "useExportCompatability": "compatability export",
-  "useExportCompatabilityDesc": "sets export mime type to text",
-  "export": "export",
+
+  "exportImport": "export / import",
+  "exportLimitDataRange": "limit data range",
+  "exportInterval": "data range",
+  "exportFormat": "export format",
+  "exportCustomEntries": "customize fields",
+  "addEntry": "Add field",
+  "exportMimeType": "export MIME type",
+  "exportMimeTypeDesc": "signalizes type to other apps",
+  "exportCsvHeadline": "headline",
+  "exportCsvHeadlineDesc": "Helps to discriminate types",
+  "csv": "CSV",
+  "pdf": "PDF",
+  "db": "SQLITE DB",
+  "text": "text",
+  "other": "other",
+  "fieldDelimiter": "field delimiter",
+  "textDelimiter": "text delimiter",
+  "export": "EXPORT",
   "exportSuccess": "Exported to: {path}",
   "@exportSuccess": {
     "placeholders": {
@@ -85,9 +109,18 @@
     }
   },
   "shared": "shared",
-  "import": "import",
+  "import": "IMPORT",
   "sourceCode": "source code",
   "licenses": "3rd party licenses",
+  "importSuccess": "Successfully imported {count} entries",
+  "@importSuccess": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
+  "exportWarnConfigNotImportable": "Hey! Just a friendly heads up: the current export configuration won't be importable. To fix it, make sure you set the export type as CSV, enable the headline, and include the fields 'diastolic', 'systolic', 'pulse', 'notes', along with one of the time formats available.",
 
   "statistics": "Statistics",
   "measurementCount": "Measurement count",

lib/model/blood_pressure.dart

@@ -1,24 +1,19 @@
-import 'dart:convert' show utf8;
 import 'dart:io';
 
 import 'package:collection/collection.dart';
-import 'package:csv/csv.dart';
-import 'package:file_picker/file_picker.dart';
-import 'package:file_saver/file_saver.dart';
 import 'package:flutter/foundation.dart';
 import 'package:path/path.dart';
-import 'package:share_plus/share_plus.dart';
 import 'package:sqflite_common_ffi/sqflite_ffi.dart';
 
 class BloodPressureModel extends ChangeNotifier {
   static const maxEntries = 2E64; // https://www.sqlite.org/limits.html Nr.13
   late final Database _database;
 
   BloodPressureModel._create();
-  Future<void> _asyncInit(String? dbPath) async {
+  Future<void> _asyncInit(String? dbPath, bool isFullPath) async {
     dbPath ??= await getDatabasesPath();
 
-    if (dbPath != inMemoryDatabasePath) {
+    if (dbPath != inMemoryDatabasePath && !isFullPath) {
       dbPath = join(dbPath, 'blood_pressure.db');
     }
 
@@ -34,7 +29,7 @@ class BloodPressureModel extends ChangeNotifier {
   }
 
   // factory method, to allow for async constructor
-  static Future<BloodPressureModel> create({String? dbPath}) async {
+  static Future<BloodPressureModel> create({String? dbPath, bool isFullPath = false}) async {
     if (Platform.isWindows || Platform.isLinux) {
       // Initialize FFI
       sqfliteFfiInit();
@@ -43,7 +38,7 @@ class BloodPressureModel extends ChangeNotifier {
     }
 
     final component = BloodPressureModel._create();
-    await component._asyncInit(dbPath);
+    await component._asyncInit(dbPath, isFullPath);
     return component;
   }
 
@@ -156,63 +151,6 @@ class BloodPressureModel extends ChangeNotifier {
     return (res as int?) ?? -1;
   }
 
-  Future<void> save(void Function(bool success, String? msg) callback, {bool exportAsText = false}) async {
-    // create csv
-    String csvData = 'timestampUnixMs, systolic, diastolic, pulse, notes\n';
-    List<Map<String, Object?>> allEntries = await _database.query('bloodPressureModel', orderBy: 'timestamp DESC');
-    List<List<dynamic>> data = [];
-    for (var e in allEntries) {
-      data.add([e['timestamp'],e['systolic'], e['diastolic'], e['pulse'], e['notes']]);
-    }
-    csvData += const ListToCsvConverter().convert(data, delimitAllFields: true);
-
-    // save data
-    String filename = 'blood_press_${DateTime.now().toIso8601String()}';
-    String path = await FileSaver.instance
-        .saveFile(name: filename, bytes: Uint8List.fromList(utf8.encode(csvData)), ext: 'csv', mimeType: MimeType.csv);
-
-
-    // notify user about location
-    if (Platform.isLinux || Platform.isWindows || Platform.isMacOS) {
-      callback(true, path);
-    } else if (Platform.isAndroid || Platform.isIOS) {
-      var mimeType = MimeType.csv;
-      if (exportAsText) {
-        mimeType = MimeType.text;
-      }
-      Share.shareXFiles([
-        XFile(
-          path,
-          mimeType: mimeType.type,
-        )
-      ]);
-      callback(true, null);
-    } else {}
-  }
-
-  Future<void> import(void Function(bool) callback) async {
-    var result = await FilePicker.platform.pickFiles(
-      allowMultiple: false,
-      withData: true,
-    );
-
-    if (result != null) {
-      var binaryContent = result.files.single.bytes;
-      if (binaryContent != null) {
-        final csvContents = const CsvToListConverter()
-            .convert(utf8.decode(binaryContent), fieldDelimiter: ',', textDelimiter: '"', eol: '\n');
-        for (var i = 1; i < csvContents.length; i++) {
-          var line = csvContents[i];
-          BloodPressureRecord record = BloodPressureRecord(DateTime.fromMillisecondsSinceEpoch(line[0] as int),
-              (line[1] as int), (line[2] as int), (line[3] as int), line[4].toString());
-          add(record);
-        }
-        return callback(true);
-      }
-    }
-    return callback(false);
-  }
-
   void close() {
     _database.close();
   }