81 lines
2.7 KiB
Dart
81 lines
2.7 KiB
Dart
import "package:flutter_riverpod/flutter_riverpod.dart";
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import "package:nexus/controllers/client_state_controller.dart";
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import "package:nexus/controllers/room_creators_controller.dart";
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import "package:nexus/controllers/rooms_controller.dart";
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import "package:nexus/models/configs/power_level_config.dart";
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import "package:nexus/models/content/content.dart";
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import "package:nexus/models/content/power_levels.dart";
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class PowerLevelController extends Notifier<bool> {
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final PowerLevelConfig config;
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PowerLevelController(this.config);
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@override
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bool build() {
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if (config case EventPowerLevelConfig(:final eventType)) {
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assert(
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eventType != .redaction,
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"Checking power level for a redaction should use [PowerLevelConfig.redaction].",
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);
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}
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final room = ref.watch(
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RoomsController.provider.select((value) => value[config.roomId]),
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);
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final roomCreators = room == null
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? null
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: ref.watch(RoomCreatorsController.provider(room));
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final eventRowId = room?.state[EventType.powerLevels.type]?[""];
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final event = eventRowId == null ? null : room?.events[eventRowId];
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final content = event?.content is PowerLevelsContent
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? event!.content
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: PowerLevelsContent();
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final user = ref.watch(
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ClientStateController.provider.select((value) => value?.userId),
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);
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if (user == null || content is! PowerLevelsContent) return false;
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double powerLevelOf(String userId) => roomCreators?.contains(userId) == true
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? double.infinity
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: (content.users[userId] ?? content.usersDefault).toDouble();
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final userLevel = powerLevelOf(user);
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return switch (config) {
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EventPowerLevelConfig(:final eventType) =>
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userLevel >= (content.events[eventType.type] ?? content.eventsDefault),
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MembershipActionPowerLevelConfig(:final action, :final targetUser) =>
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switch (action) {
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.invite => userLevel >= content.invite,
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.kick =>
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userLevel >= content.kick && userLevel > powerLevelOf(targetUser),
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.ban =>
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userLevel >= content.ban && userLevel > powerLevelOf(targetUser),
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.unban => userLevel >= content.ban,
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},
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StatePowerLevelConfig(:final eventType) =>
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userLevel >= (content.events[eventType.type] ?? content.stateDefault),
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RedactionPowerLevelConfig(:final targetUser) =>
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userLevel >=
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(targetUser == user
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? (content.events[EventType.redaction.type] ??
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content.eventsDefault)
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: content.redact),
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};
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}
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static final provider = NotifierProvider.autoDispose
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.family<PowerLevelController, bool, PowerLevelConfig>(
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PowerLevelController.new,
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);
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}
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