80 lines
2.3 KiB
PHP
80 lines
2.3 KiB
PHP
<?php
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namespace App\Events;
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use Illuminate\Broadcasting\Channel;
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use Illuminate\Broadcasting\InteractsWithSockets;
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use Illuminate\Contracts\Broadcasting\ShouldBroadcastNow;
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use Illuminate\Foundation\Events\Dispatchable;
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use Illuminate\Queue\SerializesModels;
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use Illuminate\Support\Arr;
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class PerceptronTrainingIteration implements ShouldBroadcastNow
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{
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use Dispatchable, InteractsWithSockets, SerializesModels;
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/**
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* Create a new event instance.
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*/
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public function __construct(
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public array $iterations, // ["epoch" => int, "exampleIndex" => int, "error" => float, "synaptic_weights" => array]
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public string $sessionId,
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public string $trainingId,
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) {
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//
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}
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/**
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* Get the channels the event should broadcast on.
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*
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* @return array<int, \Illuminate\Broadcasting\Channel>
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*/
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public function broadcastOn(): array
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{
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// Log::debug("Broadcasting on channel: " . $this->sessionId . '-perceptron-training');
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return [
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new Channel($this->sessionId.'-perceptron-training'),
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];
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}
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public function broadcastWith(): array
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{
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$iterations = self::normalizeForJson($this->iterations);
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$weights = collect($iterations)
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->pluck('weights')
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->first(fn (array $weights): bool => $weights !== []);
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$shouldBroadcastAllWeights = $weights !== null
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&& count(Arr::flatten($weights)) <= config('perceptron.max_displayed_weights');
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$lastIterationIndex = count($iterations) - 1;
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$iterations = array_map(
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fn (array $iteration, int $index): array => $shouldBroadcastAllWeights || $index === $lastIterationIndex
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? $iteration
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: [...$iteration, 'weights' => []],
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$iterations,
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array_keys($iterations),
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);
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return [
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'iterations' => $iterations,
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'trainingId' => $this->trainingId,
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];
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}
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public static function normalizeForJson(mixed $value): mixed
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{
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if (is_float($value) && ! is_finite($value)) {
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return null;
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}
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if (! is_array($value)) {
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return $value;
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}
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return array_map(
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fn (mixed $item): mixed => self::normalizeForJson($item),
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$value,
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);
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}
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}
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