Quick date picker: localization, fix datetime overflows

i18n/en.json

@@ -1174,6 +1174,7 @@
   "import_path": "Import path",
   "in_albums": "In {count, plural, one {# album} other {# albums}}",
   "in_archive": "In archive",
+  "in_year": "In {year}",
   "include_archived": "Include archived",
   "include_shared_albums": "Include shared albums",
   "include_shared_partner_assets": "Include shared partner assets",
@@ -1210,6 +1211,8 @@
   "language_setting_description": "Select your preferred language",
   "large_files": "Large Files",
   "last": "Last",
+  "last_month": "Last month",
+  "last_nth_month": "Last {months} months",
   "last_seen": "Last seen",
   "latest_version": "Latest Version",
   "latitude": "Latitude",
@@ -1516,6 +1519,8 @@
   "photos_count": "{count, plural, one {{count, number} Photo} other {{count, number} Photos}}",
   "photos_from_previous_years": "Photos from previous years",
   "pick_a_location": "Pick a location",
+  "pick_date_range": "Select a date range",
+  "pick_exact_date": "Enter a custom interval",
   "pin_code_changed_successfully": "Successfully changed PIN code",
   "pin_code_reset_successfully": "Successfully reset PIN code",
   "pin_code_setup_successfully": "Successfully setup a PIN code",

mobile/lib/presentation/pages/search/drift_search.page.dart

@@ -285,15 +285,23 @@ class DriftSearchPage extends HookConsumerWidget {
       final firstDate = DateTime(1900);
       final lastDate = DateTime.now();
 
+      var dateRange = DateTimeRange(
+        start: filter.value.date.takenAfter ?? lastDate,
+        end: filter.value.date.takenBefore ?? lastDate,
+      );
+
+      // datePicked() may increase the date, this will make the date picker fail an assertion
+      // Fixup the end date to be at most now.
+      if (dateRange.end.isAfter(lastDate)) {
+        dateRange = DateTimeRange(start: dateRange.start, end: lastDate);
+      }
+
       final date = await showDateRangePicker(
         context: context,
         firstDate: firstDate,
         lastDate: lastDate,
         currentDate: DateTime.now(),
-        initialDateRange: DateTimeRange(
-          start: filter.value.date.takenAfter ?? lastDate,
-          end: filter.value.date.takenBefore ?? lastDate,
-        ),
+        initialDateRange: dateRange,
         helpText: 'search_filter_date_title'.t(context: context),
         cancelText: 'cancel'.t(context: context),
         confirmText: 'select'.t(context: context),
@@ -313,7 +321,7 @@ class DriftSearchPage extends HookConsumerWidget {
       showFilterBottomSheet(
         context: context,
         child: FilterBottomSheetScaffold(
-          title: "Pick date range",
+          title: "pick_date_range".tr(),
           expanded: true,
           onClear: () => datePicked(null),
           child: QuickDatePicker(

mobile/lib/widgets/search/search_filter/quick_date_picker.dart

@@ -1,3 +1,4 @@
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_hooks/flutter_hooks.dart';
 
@@ -7,13 +8,28 @@ class QuickDatePicker extends HookWidget {
   final Function() onRequestPicker;
   final Function(DateTimeRange<DateTime> range) onSelect;
 
-  ListTile _monthListTile(String text, int monthsFromNow) {
+  void _selectRange(DateTimeRange range) {
+    // Ensure we don't go beyond today, eg when picking "in $current_year"
+    final now = DateTime.now();
+    if (range.end.isAfter(now)) {
+      range = DateTimeRange(start: range.start, end: now);
+    }
+
+    onSelect(range);
+  }
+
+  ListTile _monthListTile(int monthsFromNow) {
+    String label = monthsFromNow == 1
+        ? 'last_month'.tr()
+        : 'last_nth_month'.tr(namedArgs: {"months": monthsFromNow.toString()});
     return ListTile(
-      title: Text(text),
+      title: Text(label),
       onTap: () {
         final now = DateTime.now();
-        final from = DateTime(now.year, now.month - monthsFromNow, now.day);
-        onSelect(DateTimeRange(start: from, end: now));
+        // We use the first of the target month here to avoid issues with different month lengths
+        // the negative overflow of months is handled by DateTime correctly
+        final from = DateTime(now.year, now.month - monthsFromNow, 1);
+        _selectRange(DateTimeRange(start: from, end: now));
       },
     );
   }
@@ -24,27 +40,27 @@ class QuickDatePicker extends HookWidget {
       itemBuilder: (context, index) {
         if (index == 0) {
           return ListTile(
-            title: const Text("Exact date"),
+            title: Text('pick_exact_date'.tr()),
             onTap: () {
               onRequestPicker();
             },
           );
         } else if (index == 1) {
-          return _monthListTile("Last month", 1);
+          return _monthListTile(1);
         } else if (index == 2) {
-          return _monthListTile("Last 3 months", 3);
+          return _monthListTile(3);
         } else if (index == 3) {
-          return _monthListTile("Last 9 months", 9);
+          return _monthListTile(9);
         } else {
           final now = DateTime.now();
           final years = index - 4;
           final year = now.year - years;
           return ListTile(
-            title: Text("In $year"),
+            title: Text("in_year".tr(namedArgs: {"year": year.toString()})),
             onTap: () {
               final from = DateTime(year, 1, 1);
               final to = DateTime(year, 12, 31, 23, 59, 59);
-              onSelect(DateTimeRange(start: from, end: to));
+              _selectRange(DateTimeRange(start: from, end: to));
             },
           );
         }