dolphhinsr_dart

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dolphhinsr_dart

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Spaced repetition for dart

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---

Attention, I'm not maintaining actively this module, PR are welcome.

---

# DolphinSR_Dart

This projet is a copy of the DolphinSR algorithm from Yodaiken which was written in Javascript.
I need something like that in DART ... so I'm translating it. [Link to original library](https://github.com/yodaiken/dolphinsr)

(Following is from the original module)

DolphinSR implements [spaced repetition](https://en.wikipedia.org/wiki/Spaced_repetition) in
Dart. Specifically, it uses [Anki's modifications](https://apps.ankiweb.net/docs/manual.html#what-algorithm)
to the SM2 algorithm including:

- an initial mode for learning new cards
- a mode for re-learning cards after forgetting them
- reducing the number of self-assigned ratings from 6 to 4
- factoring lateness into card scheduling
- Anki's default configuration options

While DolphinSR is intentionally very similar to Anki's algorithm, it does deviate in a few ways:

- improved support for adding reviews out of order (for example, due to network latency)
- very different internal data structures (DolphinSR is largely written in a functional style to
  make testing and debugging easier, and does not rely on storing computed data or any SQL database)
- only one kind of card

## Installation

Add that to your pubspec.yaml

```yaml
dependencies:
 dolphinsr_dart: latest_version
```

## Quick Start

See [example/main.dart](https://github.com/JobiJoba/dolphhinsr_dart/blob/master/example/main.dart)

```dart
List<Review> reviews = [];

DolphinSR dolphin = new DolphinSR();

dolphin.addMasters([
    Master(id: '1', fields: [
      'คน',
      'person'
    ], combinations: [
      Combination(front: [0], back: [1]),
      Combination(front: [1], back: [0]),
    ]),
    Master(id: '2', fields: [
      'คบ',
      'To date'
    ], combinations: [
      Combination(front: [0], back: [1]),
      Combination(front: [1], back: [0]),
    ])
  ]);
  dolphin.addReviews(reviews);

var stats =
      dolphin.summary(); // => { due: 0, later: 0, learning: 2, overdue: 0 }
  print("${stats.due}-${stats.later}-${stats.learning}-${stats.overdue}");

DRCard card = dolphin.nextCard();
  print(
      "${card.back}-${card.front}-${card.combination.back}-${card.combination.front}");
  Review review = Review(
      master: card.master,
      combination: card.combination,
      ts: DateTime.now(),
      rating: Rating.Hard);
  dolphin.addReviews([review]);

```

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