ac29392d7f
git-subtree-dir: packages/security git-subtree-mainline:42a86be549git-subtree-split:711f13afd1
50 lines
1.6 KiB
Dart
50 lines
1.6 KiB
Dart
/// A representation of the abstract "rate-limiting window" in which
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/// a [user] is accessing some API or endpoint.
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class RateLimitingWindow<User> {
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/// The user who is accessing the endpoint.
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User user;
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/// The time at which the user's current window began.
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DateTime startTime;
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/// The number of points the user has already consumed within
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/// the current window.
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int pointsConsumed;
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/// The maximum amount of points allowed within a single window.
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///
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/// This field is typically only set by the [RateLimiter] middleware,
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/// and is therefore optional in the constructor.
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int pointLimit;
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/// The amount of points the user can consume before hitting the
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/// rate limit for the current window.
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///
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/// This field is typically only set by the [RateLimiter] middleware,
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/// and is therefore optional in the constructor.
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int remainingPoints;
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/// The time at which the window will reset.
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///
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/// This field is typically only set by the [RateLimiter] middleware,
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/// and is therefore optional in the constructor.
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DateTime resetTime;
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RateLimitingWindow(this.user, this.startTime, this.pointsConsumed,
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{this.pointLimit, this.remainingPoints, this.resetTime});
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factory RateLimitingWindow.fromJson(Map<String, dynamic> map) {
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return RateLimitingWindow(
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map['user'] as User,
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DateTime.parse(map['start_time'] as String),
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int.parse(map['points_consumed'] as String));
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}
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Map<String, dynamic> toJson() {
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return {
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'user': user,
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'start_time': startTime.toIso8601String(),
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'points_consumed': pointsConsumed.toString(),
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};
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}
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}
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