defined & added repeat-patterns.

2023-01-10 23:55:38 +01:00
parent 9f8e0c875c
commit db39eeea55
10 changed files with 175 additions and 17 deletions
--- a/lib/types/repeat.dart
+++ b/lib/types/repeat.dart
@ -0,0 +1,97 @@
+class RepeatInterval {
+  int every;
+  DateInterval interval;
+
+  RepeatInterval({required this.interval, this.every=1});
+
+  static RepeatInterval? fromString(String input) {
+    RegExpMatch? m = RegExp(r'(\d*)(\D+)').firstMatch(input);
+    if (m != null) {
+      DateInterval? di = _stringToInterval(m!.group(2)!);
+      if (di != null) {
+        return RepeatInterval(interval: di, every: m?.group(1) == "" ? 1 : int.parse(m!.group(1)!));
+      }
+    }
+    return null;
+  }
+
+  /// Does the RepeatInterval referencing from a hit b?
+  bool repeatHit(DateTime a, DateTime b) {
+    var daydiff = a.difference(b).inDays;
+    var weeks = (daydiff / 7).floor();
+    switch (interval) {
+      case DateInterval.daily:       return daydiff % every == 0;
+      case DateInterval.weekly:      return daydiff % (every*7) == 0;
+      case DateInterval.monthly:     return a.day == b.day;
+      case DateInterval.monday:      return weeks % every == 0 && b.weekday == DateTime.monday;
+      case DateInterval.tuesday:     return weeks % every == 0 && b.weekday == DateTime.tuesday;
+      case DateInterval.wednesday:   return weeks % every == 0 && b.weekday == DateTime.wednesday;
+      case DateInterval.thursday:    return weeks % every == 0 && b.weekday == DateTime.thursday;
+      case DateInterval.friday:      return weeks % every == 0 && b.weekday == DateTime.friday;
+      case DateInterval.saturday:    return weeks % every == 0 && b.weekday == DateTime.saturday;
+      case DateInterval.sunday:      return weeks % every == 0 && b.weekday == DateTime.sunday;
+      case DateInterval.dayOfMonth:  return b.day == every;
+      case DateInterval.dayOfYear:   return DateTime.now().difference(b).inDays == every;
+    }
+  }
+
+  @override
+  toString() {
+    return "$every${_intervalToString(interval)}";
+  }
+
+  static DateInterval? _stringToInterval(String input) {
+    switch (input) {
+      case "daily":
+      case "day": return DateInterval.daily;
+      case "weekly":
+      case "week": return DateInterval.weekly;
+      case "monthly":
+      case "month": return DateInterval.monthly;
+      case "mon": return DateInterval.monday;
+      case "tue": return DateInterval.tuesday;
+      case "wed": return DateInterval.wednesday;
+      case "thu": return DateInterval.thursday;
+      case "fri": return DateInterval.friday;
+      case "sat": return DateInterval.saturday;
+      case "sun": return DateInterval.sunday;
+      case "ofMonth": return DateInterval.dayOfMonth;
+      case "ofYear": return DateInterval.dayOfYear;
+    }
+    return null;
+  }
+
+  static String _intervalToString(DateInterval di) {
+    switch (di) {
+      case DateInterval.daily: return "day";
+      case DateInterval.weekly: return "week";
+      case DateInterval.monthly: return "month";
+      case DateInterval.monday: return "mon";
+      case DateInterval.tuesday: return "tue";
+      case DateInterval.wednesday: return "wed";
+      case DateInterval.thursday: return "thu";
+      case DateInterval.friday: return "fri";
+      case DateInterval.saturday: return "sat";
+      case DateInterval.sunday: return "sun";
+      case DateInterval.dayOfMonth: return "ofMonth";
+      case DateInterval.dayOfYear: return "ofYear";
+    }
+  }
+
+}
+
+enum DateInterval {
+  daily,
+  weekly,
+  monthly,
+  monday,
+  tuesday,
+  wednesday,
+  thursday,
+  friday,
+  saturday,
+  sunday,
+  dayOfMonth,
+  dayOfYear,
+}
+
--- a/lib/types/tasks.dart
+++ b/lib/types/tasks.dart
@ -1,3 +1,45 @@
+
+import 'package:collection/collection.dart';
+import 'package:nextcloud_reminder/types/repeat.dart';
+
+class TaskExtra extends Task {
+  TaskExtra({required super.title,
+    super.done = false,
+    super.contexts = const [],
+    super.projects = const [],
+    super.meta = const {},
+    super.priority,
+    super.begin,
+    super.end,
+    this.lineNumber,
+    this.repeat = const [],
+  });
+
+  TaskExtra.fromTask(Task t, {this.lineNumber})
+      : repeat = t.meta["repeat"]?.split("/").map(RepeatInterval.fromString).whereNotNull().toList() ?? []
+      , super(title: t.title,
+              done: t.done,
+              contexts: t.contexts,
+              projects: t.projects,
+              meta: t.meta,
+              priority: t.priority,
+              begin: t.begin,
+              end: t.end,
+            );
+
+  final int? lineNumber;
+  final List<RepeatInterval> repeat;
+
+  formatAsTask() {
+    return super.toString();
+  }
+
+  @override
+  String toString() {
+    return "$lineNumber: ${super.toString()}";
+  }
+}
+
 class Task {
  final bool done;
  final DateTime? begin;