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<?php |
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namespace NotificationChannels\WebPush; |
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trait HasPushSubscriptions |
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{ |
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/** |
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* Get the user's subscriptions. |
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* |
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* @return \Illuminate\Database\Eloquent\Relations\HasMany |
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*/ |
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public function pushSubscriptions() |
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{ |
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return $this->hasMany(PushSubscription::class); |
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} |
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/** |
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* Update (or create) user subscription. |
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* |
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* @param string $endpoint |
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* @param string|null $key |
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* @param string|null $token |
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* @return \NotificationChannels\WebPush\PushSubscription |
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*/ |
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public function updatePushSubscription($endpoint, $key = null, $token = null) |
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{ |
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$subscription = PushSubscription::findByEndpoint($endpoint); |
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if ($subscription && $this->pushSubscriptionBelongsToUser($subscription)) { |
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$subscription->public_key = $key; |
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$subscription->auth_token = $token; |
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$subscription->save(); |
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return $subscription; |
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} |
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if ($subscription && ! $this->pushSubscriptionBelongsToUser($subscription)) { |
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$subscription->delete(); |
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} |
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return $this->pushSubscriptions()->save(new PushSubscription([ |
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'endpoint' => $endpoint, |
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'public_key' => $key, |
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'auth_token' => $token, |
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])); |
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} |
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/** |
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* Determine if the given subscription belongs to this user. |
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* |
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* @param \NotificationChannels\WebPush\PushSubscription $subscription |
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* @return bool |
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*/ |
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public function pushSubscriptionBelongsToUser($subscription) |
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{ |
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return (int) $subscription->user_id === (int) $this->getAuthIdentifier(); |
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} |
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/** |
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* Delete subscription by endpoint. |
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* |
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* @param string $endpoint |
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* @return void |
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*/ |
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public function deletePushSubscription($endpoint) |
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{ |
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$this->pushSubscriptions() |
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->where('endpoint', $endpoint) |
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->delete(); |
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} |
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/** |
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* Get all subscriptions. |
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* |
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* @return \Illuminate\Database\Eloquent\Collection |
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*/ |
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public function routeNotificationForWebPush() |
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{ |
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return $this->pushSubscriptions; |
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} |
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} |
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This check looks for methods that are used by a trait but not required by it.
To illustrate, let’s look at the following code example
The trait
Idable
provides a methodequalsId
that in turn relies on the methodgetId()
. If this method does not exist on a class mixing in this trait, the method will fail.Adding the
getId()
as an abstract method to the trait will make sure it is available.