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stats: top countries and tags

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This commit is contained in:
Thibault Deckers 2020-03-30 10:12:40 +09:00
parent c8b8d9c897
commit ef130eb820
3 changed files with 102 additions and 5 deletions
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4
lib/widgets/album/filter_bar.dart
View file

@ -4,10 +4,10 @@ import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
class FilterBar extends StatelessWidget implements PreferredSizeWidget {
static final double preferredHeight = kMinInteractiveDimension;
static const double preferredHeight = kMinInteractiveDimension;
@override
final Size preferredSize = Size.fromHeight(preferredHeight);
final Size preferredSize = const Size.fromHeight(preferredHeight);
@override
Widget build(BuildContext context) {

2
lib/widgets/common/aves_filter_chip.dart
View file

@ -4,6 +4,8 @@ import 'package:outline_material_icons/outline_material_icons.dart';
typedef FilterCallback = void Function(CollectionFilter filter);
typedef FilterBuilder = CollectionFilter Function(String label);
class AvesFilterChip extends StatefulWidget {
final CollectionFilter filter;
final bool removable;

101
lib/widgets/stats.dart
View file

@ -1,6 +1,12 @@
import 'package:aves/model/collection_lens.dart';
import 'package:aves/model/filters/country.dart';
import 'package:aves/model/filters/filters.dart';
import 'package:aves/model/filters/tag.dart';
import 'package:aves/model/image_entry.dart';
import 'package:aves/utils/color_utils.dart';
import 'package:aves/utils/constants.dart';
import 'package:aves/widgets/album/collection_page.dart';
import 'package:aves/widgets/common/aves_filter_chip.dart';
import 'package:aves/widgets/common/data_providers/media_query_data_provider.dart';
import 'package:charts_flutter/flutter.dart' as charts;
import 'package:collection/collection.dart';
@ -11,8 +17,19 @@ import 'package:percent_indicator/linear_percent_indicator.dart';
class StatsPage extends StatelessWidget {
final CollectionLens collection;
final Map<String, int> entryCountPerCountry = Map<String, int>(), entryCountPerTag = Map<String, int>();
const StatsPage({this.collection});
StatsPage({this.collection}) {
entries.forEach((entry) {
final country = entry.addressDetails?.countryName;
if (country != null) {
entryCountPerCountry[country] = (entryCountPerCountry[country] ?? 0) + 1;
}
entry.xmpSubjects.forEach((tag) {
entryCountPerTag[tag] = (entryCountPerTag[tag] ?? 0) + 1;
});
});
}
List<ImageEntry> get entries => collection.sortedEntries;
@ -20,7 +37,7 @@ class StatsPage extends StatelessWidget {
Widget build(BuildContext context) {
final catalogued = entries.where((entry) => entry.isCatalogued);
final withGps = catalogued.where((entry) => entry.hasGps);
final withGpsPercent = withGps.length / entries.length;
final withGpsPercent = withGps.length / collection.entryCount;
final Map<String, int> byMimeTypes = groupBy(entries, (entry) => entry.mimeType).map((k, v) => MapEntry(k, v.length));
final imagesByMimeTypes = Map.fromEntries(byMimeTypes.entries.where((kv) => kv.key.startsWith('image/')));
final videoByMimeTypes = Map.fromEntries(byMimeTypes.entries.where((kv) => kv.key.startsWith('video/')));
@ -59,6 +76,8 @@ class StatsPage extends StatelessWidget {
],
),
),
..._buildTopFilters(context, 'Top countries', entryCountPerCountry, (s) => CountryFilter(s)),
..._buildTopFilters(context, 'Top tags', entryCountPerTag, (s) => TagFilter(s)),
],
),
),
@ -72,7 +91,10 @@ class StatsPage extends StatelessWidget {
final sum = byMimeTypes.values.fold(0, (prev, v) => prev + v);
final seriesData = byMimeTypes.entries.map((kv) => StringNumDatum(kv.key.replaceFirst(RegExp('.*/'), '').toUpperCase(), kv.value)).toList();
seriesData.sort((kv1, kv2) => kv2.value.compareTo(kv1.value));
seriesData.sort((kv1, kv2) {
final c = kv2.value.compareTo(kv1.value);
return c != 0 ? c : compareAsciiUpperCase(kv1.key, kv2.key);
});
final series = [
charts.Series<StringNumDatum, String>(
@ -132,6 +154,79 @@ class StatsPage extends StatelessWidget {
);
});
}
List<Widget> _buildTopFilters(BuildContext context, String title, Map<String, int> entryCountMap, FilterBuilder filterBuilder) {
if (entryCountMap.isEmpty) return [];
final maxCount = collection.entryCount;
final sortedEntries = entryCountMap.entries.toList()
..sort((kv1, kv2) {
final c = kv2.value.compareTo(kv1.value);
return c != 0 ? c : compareAsciiUpperCase(kv1.key, kv2.key);
});
return [
Padding(
padding: const EdgeInsets.all(16),
child: Text(
title,
style: Constants.titleTextStyle,
),
),
Padding(
padding: const EdgeInsetsDirectional.only(start: AvesFilterChip.buttonBorderWidth / 2 + 6, end: 8),
child: Table(
children: sortedEntries.take(5).map((kv) {
final label = kv.key;
final count = kv.value;
final percent = count / maxCount;
return TableRow(
children: [
Align(
alignment: AlignmentDirectional.centerStart,
child: AvesFilterChip(
filter: filterBuilder(label),
onPressed: (filter) => _goToFilteredCollection(context, filter),
),
),
Expanded(
child: LinearPercentIndicator(
percent: percent,
lineHeight: 16,
backgroundColor: Colors.white24,
progressColor: stringToColor(label),
animation: true,
padding: const EdgeInsets.symmetric(horizontal: 16),
center: Text(NumberFormat.percentPattern().format(percent)),
),
),
Text(
'${count}',
style: const TextStyle(color: Colors.white70),
textAlign: TextAlign.end,
),
],
);
}).toList(),
columnWidths: const {
0: IntrinsicColumnWidth(),
2: IntrinsicColumnWidth(),
},
defaultVerticalAlignment: TableCellVerticalAlignment.middle,
),
),
];
}
void _goToFilteredCollection(BuildContext context, CollectionFilter filter) {
if (collection == null) return;
Navigator.pushAndRemoveUntil(
context,
MaterialPageRoute(
builder: (context) => CollectionPage(collection.derive(filter)),
),
(route) => false,
);
}
}
class StringNumDatum {