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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Drupal\display_builder\Controller; |
| 6 | |
| 7 | use Drupal\display_builder\Event\DisplayBuilderEvents; |
| 8 | use Drupal\display_builder\InstanceInterface; |
| 9 | use Symfony\Component\HttpFoundation\EventStreamResponse; |
| 10 | use Symfony\Component\HttpFoundation\ServerEvent; |
| 11 | |
| 12 | /** |
| 13 | * Returns responses for Display builder routes. |
| 14 | */ |
| 15 | class ApiSseController extends ApiControllerBase { |
| 16 | |
| 17 | /** |
| 18 | * Check if the builder needs to be refreshed after this period, in seconds. |
| 19 | */ |
| 20 | public const int REFRESH_WINDOW = 2; |
| 21 | |
| 22 | /** |
| 23 | * Refresh builder only if the last edit is older than this window. |
| 24 | */ |
| 25 | public const int STALE = (self::REFRESH_WINDOW * 2) - 1; |
| 26 | |
| 27 | /** |
| 28 | * Stream server side events for real-time collaboration. |
| 29 | * |
| 30 | * Update islands every time another user is triggering a state altering |
| 31 | * event: ON_UPDATE, ON_ATTACH_TO_ROOT, ON_ATTACH_TO_SLOT, ON_MOVE, |
| 32 | * ON_DELETE, ON_PRESET_SAVE, ON_SAVE and ON_HISTORY_CHANGE. |
| 33 | * Skip ON_ACTIVE. |
| 34 | * |
| 35 | * @param \Drupal\display_builder\InstanceInterface $display_builder_instance |
| 36 | * Display builder instance. |
| 37 | * |
| 38 | * @return \Symfony\Component\HttpFoundation\EventStreamResponse |
| 39 | * The event stream response. |
| 40 | * |
| 41 | * @see https://v1.htmx.org/extensions/server-sent-events/ |
| 42 | * @see https://symfony.com/blog/new-in-symfony-7-3-simpler-server-event-streaming |
| 43 | */ |
| 44 | public function sse(InstanceInterface $display_builder_instance): EventStreamResponse { |
| 45 | $builder_id = (string) $display_builder_instance->id(); |
| 46 | |
| 47 | return new EventStreamResponse(function () use ($builder_id) { |
| 48 | $sessionId = $this->session->getId(); |
| 49 | $collection = $this->sharedTempStoreFactory->get($this::SSE_COLLECTION); |
| 50 | |
| 51 | // Infinite loop because we keep the HTTP transaction open until it is |
| 52 | // closed by the client. |
| 53 | // @phpstan-ignore-next-line |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 65 | } |
| 66 | |
| 67 | // The current session is the last one editing the builder. Do nothing. |
| 68 | // Use session ID to handle: |
| 69 | // - different users |
| 70 | // - the same user in different browsers |
| 71 | // Not handled: multiple tabs with the same user in the same browser. |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 73 | \sleep($this::REFRESH_WINDOW); |
| 74 | |
| 75 | continue; |
| 76 | } |
| 77 | |
| 78 | // If the last edit is older than STALE, do nothing |
| 79 | // as we consider that the builder has already been refreshed. |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 81 | \sleep($this::REFRESH_WINDOW); |
| 82 | |
| 83 | continue; |
| 84 | } |
| 85 | |
| 86 | // Reload the instance to ensure we get the builder's latest |
| 87 | // state. |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 92 | \sleep($this::REFRESH_WINDOW); |
| 93 | |
| 94 | continue; |
| 95 | } |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 109 | // Do nothing if the island is not updated. |
| 110 | if (empty($result)) { |
| 111 | continue; |
| 112 | } |
| 113 | |
| 114 | // Do nothing if the island is empty. |
| 115 | if (!isset($result['content'])) { |
| 116 | continue; |
| 117 | } |
| 118 | |
| 119 | $sse_target = "island-{$builder->id()}-{$island_id}"; |
| 120 | $data = $this->renderer->renderInIsolation($result['content']); |
| 121 | |
| 122 | // Need to send the data back as one line. |
| 123 | // @see https://www.reddit.com/r/htmx/comments/1mjhzl1/comment/n7bdf0s |
| 124 | $data = \str_replace(["\r\n", "\r", "\n"], ' ', (string) $data); |
| 125 | |
| 126 | yield new ServerEvent($data, type: $sse_target); |
| 127 | } |
| 128 | |
| 129 | \sleep($this::REFRESH_WINDOW); |
| 130 | } |
| 131 | }); |
| 132 | } |
| 133 | |
| 134 | } |
Below are the source code lines that represent each code path as identified by Xdebug. Please note a path is not
necessarily coterminous with a line, a line may contain multiple paths and therefore show up more than once.
Please also be aware that some paths may include implicit rather than explicit branches, e.g. an if statement
always has an else as part of its logical flow even if you didn't write one.
| 44 | public function sse(InstanceInterface $display_builder_instance): EventStreamResponse { |
| 45 | $builder_id = (string) $display_builder_instance->id(); |
| 46 | |
| 47 | return new EventStreamResponse(function () use ($builder_id) { |
| 48 | $sessionId = $this->session->getId(); |
| 49 | $collection = $this->sharedTempStoreFactory->get($this::SSE_COLLECTION); |
| 50 | |
| 51 | // Infinite loop because we keep the HTTP transaction open until it is |
| 52 | // closed by the client. |
| 53 | // @phpstan-ignore-next-line |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 65 | } |
| 66 | |
| 67 | // The current session is the last one editing the builder. Do nothing. |
| 68 | // Use session ID to handle: |
| 69 | // - different users |
| 70 | // - the same user in different browsers |
| 71 | // Not handled: multiple tabs with the same user in the same browser. |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 73 | \sleep($this::REFRESH_WINDOW); |
| 74 | |
| 75 | continue; |
| 76 | } |
| 77 | |
| 78 | // If the last edit is older than STALE, do nothing |
| 79 | // as we consider that the builder has already been refreshed. |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 81 | \sleep($this::REFRESH_WINDOW); |
| 82 | |
| 83 | continue; |
| 84 | } |
| 85 | |
| 86 | // Reload the instance to ensure we get the builder's latest |
| 87 | // state. |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 92 | \sleep($this::REFRESH_WINDOW); |
| 93 | |
| 94 | continue; |
| 95 | } |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 109 | // Do nothing if the island is not updated. |
| 110 | if (empty($result)) { |
| 111 | continue; |
| 112 | } |
| 113 | |
| 114 | // Do nothing if the island is empty. |
| 115 | if (!isset($result['content'])) { |
| 116 | continue; |
| 117 | } |
| 118 | |
| 119 | $sse_target = "island-{$builder->id()}-{$island_id}"; |
| 120 | $data = $this->renderer->renderInIsolation($result['content']); |
| 121 | |
| 122 | // Need to send the data back as one line. |
| 123 | // @see https://www.reddit.com/r/htmx/comments/1mjhzl1/comment/n7bdf0s |
| 124 | $data = \str_replace(["\r\n", "\r", "\n"], ' ', (string) $data); |
| 125 | |
| 126 | yield new ServerEvent($data, type: $sse_target); |
| 127 | } |
| 128 | |
| 129 | \sleep($this::REFRESH_WINDOW); |
| 130 | } |
| 131 | }); |
| 47 | return new EventStreamResponse(function () use ($builder_id) { |
| 48 | $sessionId = $this->session->getId(); |
| 49 | $collection = $this->sharedTempStoreFactory->get($this::SSE_COLLECTION); |
| 50 | |
| 51 | // Infinite loop because we keep the HTTP transaction open until it is |
| 52 | // closed by the client. |
| 53 | // @phpstan-ignore-next-line |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 73 | \sleep($this::REFRESH_WINDOW); |
| 74 | |
| 75 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 47 | return new EventStreamResponse(function () use ($builder_id) { |
| 48 | $sessionId = $this->session->getId(); |
| 49 | $collection = $this->sharedTempStoreFactory->get($this::SSE_COLLECTION); |
| 50 | |
| 51 | // Infinite loop because we keep the HTTP transaction open until it is |
| 52 | // closed by the client. |
| 53 | // @phpstan-ignore-next-line |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 81 | \sleep($this::REFRESH_WINDOW); |
| 82 | |
| 83 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 47 | return new EventStreamResponse(function () use ($builder_id) { |
| 48 | $sessionId = $this->session->getId(); |
| 49 | $collection = $this->sharedTempStoreFactory->get($this::SSE_COLLECTION); |
| 50 | |
| 51 | // Infinite loop because we keep the HTTP transaction open until it is |
| 52 | // closed by the client. |
| 53 | // @phpstan-ignore-next-line |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 92 | \sleep($this::REFRESH_WINDOW); |
| 93 | |
| 94 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 47 | return new EventStreamResponse(function () use ($builder_id) { |
| 48 | $sessionId = $this->session->getId(); |
| 49 | $collection = $this->sharedTempStoreFactory->get($this::SSE_COLLECTION); |
| 50 | |
| 51 | // Infinite loop because we keep the HTTP transaction open until it is |
| 52 | // closed by the client. |
| 53 | // @phpstan-ignore-next-line |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 109 | // Do nothing if the island is not updated. |
| 110 | if (empty($result)) { |
| 111 | continue; |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 65 | } |
| 66 | |
| 67 | // The current session is the last one editing the builder. Do nothing. |
| 68 | // Use session ID to handle: |
| 69 | // - different users |
| 70 | // - the same user in different browsers |
| 71 | // Not handled: multiple tabs with the same user in the same browser. |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 73 | \sleep($this::REFRESH_WINDOW); |
| 74 | |
| 75 | continue; |
| 76 | } |
| 77 | |
| 78 | // If the last edit is older than STALE, do nothing |
| 79 | // as we consider that the builder has already been refreshed. |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 81 | \sleep($this::REFRESH_WINDOW); |
| 82 | |
| 83 | continue; |
| 84 | } |
| 85 | |
| 86 | // Reload the instance to ensure we get the builder's latest |
| 87 | // state. |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 92 | \sleep($this::REFRESH_WINDOW); |
| 93 | |
| 94 | continue; |
| 95 | } |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 47 | return new EventStreamResponse(function () use ($builder_id) { |
| 48 | $sessionId = $this->session->getId(); |
| 49 | $collection = $this->sharedTempStoreFactory->get($this::SSE_COLLECTION); |
| 50 | |
| 51 | // Infinite loop because we keep the HTTP transaction open until it is |
| 52 | // closed by the client. |
| 53 | // @phpstan-ignore-next-line |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 109 | // Do nothing if the island is not updated. |
| 110 | if (empty($result)) { |
| 115 | if (!isset($result['content'])) { |
| 116 | continue; |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 65 | } |
| 66 | |
| 67 | // The current session is the last one editing the builder. Do nothing. |
| 68 | // Use session ID to handle: |
| 69 | // - different users |
| 70 | // - the same user in different browsers |
| 71 | // Not handled: multiple tabs with the same user in the same browser. |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 73 | \sleep($this::REFRESH_WINDOW); |
| 74 | |
| 75 | continue; |
| 76 | } |
| 77 | |
| 78 | // If the last edit is older than STALE, do nothing |
| 79 | // as we consider that the builder has already been refreshed. |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 81 | \sleep($this::REFRESH_WINDOW); |
| 82 | |
| 83 | continue; |
| 84 | } |
| 85 | |
| 86 | // Reload the instance to ensure we get the builder's latest |
| 87 | // state. |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 92 | \sleep($this::REFRESH_WINDOW); |
| 93 | |
| 94 | continue; |
| 95 | } |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 47 | return new EventStreamResponse(function () use ($builder_id) { |
| 48 | $sessionId = $this->session->getId(); |
| 49 | $collection = $this->sharedTempStoreFactory->get($this::SSE_COLLECTION); |
| 50 | |
| 51 | // Infinite loop because we keep the HTTP transaction open until it is |
| 52 | // closed by the client. |
| 53 | // @phpstan-ignore-next-line |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 109 | // Do nothing if the island is not updated. |
| 110 | if (empty($result)) { |
| 115 | if (!isset($result['content'])) { |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 109 | // Do nothing if the island is not updated. |
| 110 | if (empty($result)) { |
| 111 | continue; |
| 112 | } |
| 113 | |
| 114 | // Do nothing if the island is empty. |
| 115 | if (!isset($result['content'])) { |
| 116 | continue; |
| 117 | } |
| 118 | |
| 119 | $sse_target = "island-{$builder->id()}-{$island_id}"; |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 65 | } |
| 66 | |
| 67 | // The current session is the last one editing the builder. Do nothing. |
| 68 | // Use session ID to handle: |
| 69 | // - different users |
| 70 | // - the same user in different browsers |
| 71 | // Not handled: multiple tabs with the same user in the same browser. |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 73 | \sleep($this::REFRESH_WINDOW); |
| 74 | |
| 75 | continue; |
| 76 | } |
| 77 | |
| 78 | // If the last edit is older than STALE, do nothing |
| 79 | // as we consider that the builder has already been refreshed. |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 81 | \sleep($this::REFRESH_WINDOW); |
| 82 | |
| 83 | continue; |
| 84 | } |
| 85 | |
| 86 | // Reload the instance to ensure we get the builder's latest |
| 87 | // state. |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 92 | \sleep($this::REFRESH_WINDOW); |
| 93 | |
| 94 | continue; |
| 95 | } |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 47 | return new EventStreamResponse(function () use ($builder_id) { |
| 48 | $sessionId = $this->session->getId(); |
| 49 | $collection = $this->sharedTempStoreFactory->get($this::SSE_COLLECTION); |
| 50 | |
| 51 | // Infinite loop because we keep the HTTP transaction open until it is |
| 52 | // closed by the client. |
| 53 | // @phpstan-ignore-next-line |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 65 | } |
| 66 | |
| 67 | // The current session is the last one editing the builder. Do nothing. |
| 68 | // Use session ID to handle: |
| 69 | // - different users |
| 70 | // - the same user in different browsers |
| 71 | // Not handled: multiple tabs with the same user in the same browser. |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 73 | \sleep($this::REFRESH_WINDOW); |
| 74 | |
| 75 | continue; |
| 76 | } |
| 77 | |
| 78 | // If the last edit is older than STALE, do nothing |
| 79 | // as we consider that the builder has already been refreshed. |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 81 | \sleep($this::REFRESH_WINDOW); |
| 82 | |
| 83 | continue; |
| 84 | } |
| 85 | |
| 86 | // Reload the instance to ensure we get the builder's latest |
| 87 | // state. |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 92 | \sleep($this::REFRESH_WINDOW); |
| 93 | |
| 94 | continue; |
| 95 | } |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 47 | return new EventStreamResponse(function () use ($builder_id) { |
| 48 | $sessionId = $this->session->getId(); |
| 49 | $collection = $this->sharedTempStoreFactory->get($this::SSE_COLLECTION); |
| 50 | |
| 51 | // Infinite loop because we keep the HTTP transaction open until it is |
| 52 | // closed by the client. |
| 53 | // @phpstan-ignore-next-line |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 65 | } |
| 66 | |
| 67 | // The current session is the last one editing the builder. Do nothing. |
| 68 | // Use session ID to handle: |
| 69 | // - different users |
| 70 | // - the same user in different browsers |
| 71 | // Not handled: multiple tabs with the same user in the same browser. |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 73 | \sleep($this::REFRESH_WINDOW); |
| 74 | |
| 75 | continue; |
| 76 | } |
| 77 | |
| 78 | // If the last edit is older than STALE, do nothing |
| 79 | // as we consider that the builder has already been refreshed. |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 81 | \sleep($this::REFRESH_WINDOW); |
| 82 | |
| 83 | continue; |
| 84 | } |
| 85 | |
| 86 | // Reload the instance to ensure we get the builder's latest |
| 87 | // state. |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 92 | \sleep($this::REFRESH_WINDOW); |
| 93 | |
| 94 | continue; |
| 95 | } |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 47 | return new EventStreamResponse(function () use ($builder_id) { |
| 48 | $sessionId = $this->session->getId(); |
| 49 | $collection = $this->sharedTempStoreFactory->get($this::SSE_COLLECTION); |
| 50 | |
| 51 | // Infinite loop because we keep the HTTP transaction open until it is |
| 52 | // closed by the client. |
| 53 | // @phpstan-ignore-next-line |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 73 | \sleep($this::REFRESH_WINDOW); |
| 74 | |
| 75 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 47 | return new EventStreamResponse(function () use ($builder_id) { |
| 48 | $sessionId = $this->session->getId(); |
| 49 | $collection = $this->sharedTempStoreFactory->get($this::SSE_COLLECTION); |
| 50 | |
| 51 | // Infinite loop because we keep the HTTP transaction open until it is |
| 52 | // closed by the client. |
| 53 | // @phpstan-ignore-next-line |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 81 | \sleep($this::REFRESH_WINDOW); |
| 82 | |
| 83 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 47 | return new EventStreamResponse(function () use ($builder_id) { |
| 48 | $sessionId = $this->session->getId(); |
| 49 | $collection = $this->sharedTempStoreFactory->get($this::SSE_COLLECTION); |
| 50 | |
| 51 | // Infinite loop because we keep the HTTP transaction open until it is |
| 52 | // closed by the client. |
| 53 | // @phpstan-ignore-next-line |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 92 | \sleep($this::REFRESH_WINDOW); |
| 93 | |
| 94 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 47 | return new EventStreamResponse(function () use ($builder_id) { |
| 48 | $sessionId = $this->session->getId(); |
| 49 | $collection = $this->sharedTempStoreFactory->get($this::SSE_COLLECTION); |
| 50 | |
| 51 | // Infinite loop because we keep the HTTP transaction open until it is |
| 52 | // closed by the client. |
| 53 | // @phpstan-ignore-next-line |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 109 | // Do nothing if the island is not updated. |
| 110 | if (empty($result)) { |
| 111 | continue; |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 65 | } |
| 66 | |
| 67 | // The current session is the last one editing the builder. Do nothing. |
| 68 | // Use session ID to handle: |
| 69 | // - different users |
| 70 | // - the same user in different browsers |
| 71 | // Not handled: multiple tabs with the same user in the same browser. |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 73 | \sleep($this::REFRESH_WINDOW); |
| 74 | |
| 75 | continue; |
| 76 | } |
| 77 | |
| 78 | // If the last edit is older than STALE, do nothing |
| 79 | // as we consider that the builder has already been refreshed. |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 81 | \sleep($this::REFRESH_WINDOW); |
| 82 | |
| 83 | continue; |
| 84 | } |
| 85 | |
| 86 | // Reload the instance to ensure we get the builder's latest |
| 87 | // state. |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 92 | \sleep($this::REFRESH_WINDOW); |
| 93 | |
| 94 | continue; |
| 95 | } |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 47 | return new EventStreamResponse(function () use ($builder_id) { |
| 48 | $sessionId = $this->session->getId(); |
| 49 | $collection = $this->sharedTempStoreFactory->get($this::SSE_COLLECTION); |
| 50 | |
| 51 | // Infinite loop because we keep the HTTP transaction open until it is |
| 52 | // closed by the client. |
| 53 | // @phpstan-ignore-next-line |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 109 | // Do nothing if the island is not updated. |
| 110 | if (empty($result)) { |
| 115 | if (!isset($result['content'])) { |
| 116 | continue; |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 65 | } |
| 66 | |
| 67 | // The current session is the last one editing the builder. Do nothing. |
| 68 | // Use session ID to handle: |
| 69 | // - different users |
| 70 | // - the same user in different browsers |
| 71 | // Not handled: multiple tabs with the same user in the same browser. |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 73 | \sleep($this::REFRESH_WINDOW); |
| 74 | |
| 75 | continue; |
| 76 | } |
| 77 | |
| 78 | // If the last edit is older than STALE, do nothing |
| 79 | // as we consider that the builder has already been refreshed. |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 81 | \sleep($this::REFRESH_WINDOW); |
| 82 | |
| 83 | continue; |
| 84 | } |
| 85 | |
| 86 | // Reload the instance to ensure we get the builder's latest |
| 87 | // state. |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 92 | \sleep($this::REFRESH_WINDOW); |
| 93 | |
| 94 | continue; |
| 95 | } |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 47 | return new EventStreamResponse(function () use ($builder_id) { |
| 48 | $sessionId = $this->session->getId(); |
| 49 | $collection = $this->sharedTempStoreFactory->get($this::SSE_COLLECTION); |
| 50 | |
| 51 | // Infinite loop because we keep the HTTP transaction open until it is |
| 52 | // closed by the client. |
| 53 | // @phpstan-ignore-next-line |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 109 | // Do nothing if the island is not updated. |
| 110 | if (empty($result)) { |
| 115 | if (!isset($result['content'])) { |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 109 | // Do nothing if the island is not updated. |
| 110 | if (empty($result)) { |
| 111 | continue; |
| 112 | } |
| 113 | |
| 114 | // Do nothing if the island is empty. |
| 115 | if (!isset($result['content'])) { |
| 116 | continue; |
| 117 | } |
| 118 | |
| 119 | $sse_target = "island-{$builder->id()}-{$island_id}"; |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 65 | } |
| 66 | |
| 67 | // The current session is the last one editing the builder. Do nothing. |
| 68 | // Use session ID to handle: |
| 69 | // - different users |
| 70 | // - the same user in different browsers |
| 71 | // Not handled: multiple tabs with the same user in the same browser. |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 73 | \sleep($this::REFRESH_WINDOW); |
| 74 | |
| 75 | continue; |
| 76 | } |
| 77 | |
| 78 | // If the last edit is older than STALE, do nothing |
| 79 | // as we consider that the builder has already been refreshed. |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 81 | \sleep($this::REFRESH_WINDOW); |
| 82 | |
| 83 | continue; |
| 84 | } |
| 85 | |
| 86 | // Reload the instance to ensure we get the builder's latest |
| 87 | // state. |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 92 | \sleep($this::REFRESH_WINDOW); |
| 93 | |
| 94 | continue; |
| 95 | } |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 47 | return new EventStreamResponse(function () use ($builder_id) { |
| 48 | $sessionId = $this->session->getId(); |
| 49 | $collection = $this->sharedTempStoreFactory->get($this::SSE_COLLECTION); |
| 50 | |
| 51 | // Infinite loop because we keep the HTTP transaction open until it is |
| 52 | // closed by the client. |
| 53 | // @phpstan-ignore-next-line |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 65 | } |
| 66 | |
| 67 | // The current session is the last one editing the builder. Do nothing. |
| 68 | // Use session ID to handle: |
| 69 | // - different users |
| 70 | // - the same user in different browsers |
| 71 | // Not handled: multiple tabs with the same user in the same browser. |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 73 | \sleep($this::REFRESH_WINDOW); |
| 74 | |
| 75 | continue; |
| 76 | } |
| 77 | |
| 78 | // If the last edit is older than STALE, do nothing |
| 79 | // as we consider that the builder has already been refreshed. |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 81 | \sleep($this::REFRESH_WINDOW); |
| 82 | |
| 83 | continue; |
| 84 | } |
| 85 | |
| 86 | // Reload the instance to ensure we get the builder's latest |
| 87 | // state. |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 92 | \sleep($this::REFRESH_WINDOW); |
| 93 | |
| 94 | continue; |
| 95 | } |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 47 | return new EventStreamResponse(function () use ($builder_id) { |
| 48 | $sessionId = $this->session->getId(); |
| 49 | $collection = $this->sharedTempStoreFactory->get($this::SSE_COLLECTION); |
| 50 | |
| 51 | // Infinite loop because we keep the HTTP transaction open until it is |
| 52 | // closed by the client. |
| 53 | // @phpstan-ignore-next-line |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 54 | while (TRUE) { |
| 55 | // We start by sending an empty event to avoid HTTP timeout. We need |
| 56 | // at least the HTTP response headers to be sent back to client without |
| 57 | // waiting for a real event to occur. |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 65 | } |
| 66 | |
| 67 | // The current session is the last one editing the builder. Do nothing. |
| 68 | // Use session ID to handle: |
| 69 | // - different users |
| 70 | // - the same user in different browsers |
| 71 | // Not handled: multiple tabs with the same user in the same browser. |
| 72 | if ($latest['sessionId'] === $sessionId) { |
| 73 | \sleep($this::REFRESH_WINDOW); |
| 74 | |
| 75 | continue; |
| 76 | } |
| 77 | |
| 78 | // If the last edit is older than STALE, do nothing |
| 79 | // as we consider that the builder has already been refreshed. |
| 80 | if ($latest['timestamp'] < $this->time->getCurrentTime() - $this::STALE) { |
| 81 | \sleep($this::REFRESH_WINDOW); |
| 82 | |
| 83 | continue; |
| 84 | } |
| 85 | |
| 86 | // Reload the instance to ensure we get the builder's latest |
| 87 | // state. |
| 88 | $builder = $this->entityTypeManager()->getStorage('display_builder_instance') |
| 89 | ->loadUnchanged($builder_id); |
| 90 | |
| 91 | if (!$builder instanceof InstanceInterface) { |
| 92 | \sleep($this::REFRESH_WINDOW); |
| 93 | |
| 94 | continue; |
| 95 | } |
| 96 | $this->builder = $builder; |
| 97 | |
| 98 | // Recompute islands regarding the current user. |
| 99 | // Use ON_HISTORY_CHANGE because it is the event where most islands are |
| 100 | // updated. |
| 101 | $event = $this->createEventWithEnabledIsland( |
| 102 | DisplayBuilderEvents::ON_HISTORY_CHANGE, |
| 103 | $builder->getCurrentState(), |
| 104 | NULL, |
| 105 | NULL, |
| 106 | ); |
| 107 | |
| 108 | foreach ($event->getResult() as $island_id => $result) { |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |
| 62 | \sleep($this::REFRESH_WINDOW); |
| 63 | |
| 64 | continue; |
| 58 | yield new ServerEvent(''); |
| 59 | $latest = $collection->get("{$builder_id}_latest"); |
| 60 | |
| 61 | if (!$latest) { |