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Diffstat (limited to 'ui/widgets/graphprototype/actions/WidgetView.php')
| -rw-r--r-- | ui/widgets/graphprototype/actions/WidgetView.php | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/ui/widgets/graphprototype/actions/WidgetView.php b/ui/widgets/graphprototype/actions/WidgetView.php new file mode 100644 index 00000000000..556e573c0f2 --- /dev/null +++ b/ui/widgets/graphprototype/actions/WidgetView.php @@ -0,0 +1,317 @@ +<?php declare(strict_types = 0); +/* +** Zabbix +** Copyright (C) 2001-2022 Zabbix SIA +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +**/ + + +namespace Widgets\GraphPrototype\Actions; + +use API, + APP, + CControllerResponseData, + CControllerWidgetIterator, + CTableInfo; + +use Zabbix\Core\CWidget; + +class WidgetView extends CControllerWidgetIterator { + + protected const GRAPH_WIDGET_ID = 'graph'; + + protected function init(): void { + parent::init(); + + $this->addValidationRules([ + 'view_mode' => 'in '.implode(',', [ZBX_WIDGET_VIEW_MODE_NORMAL, ZBX_WIDGET_VIEW_MODE_HIDDEN_HEADER]), + 'dynamic_hostid' => 'db hosts.hostid' + ]); + } + + protected function doAction(): void { + if ($this->fields_values['source_type'] == ZBX_WIDGET_FIELD_RESOURCE_GRAPH_PROTOTYPE) { + $data = $this->doGraphPrototype(); + } + elseif ($this->fields_values['source_type'] == ZBX_WIDGET_FIELD_RESOURCE_SIMPLE_GRAPH_PROTOTYPE) { + $data = $this->doSimpleGraphPrototype(); + } + else { + error(_('Page received incorrect data')); + } + + if ($messages = get_and_clear_messages()) { + $data['error']['messages'] = array_column($messages, 'message'); + } + + $this->setResponse(new CControllerResponseData(['main_block' => json_encode($data, JSON_THROW_ON_ERROR)])); + } + + /** + * Get graph prototype widget data for graph prototype source. + * + * @return array Dashboard response data + */ + protected function doGraphPrototype(): array { + $options = [ + 'output' => ['graphid', 'name'], + 'selectHosts' => ['hostid', 'name'], + 'selectDiscoveryRule' => ['hostid'] + ]; + + $is_template_dashboard = $this->hasInput('templateid'); + $is_dynamic_item = ($is_template_dashboard || $this->fields_values['dynamic'] == CWidget::DYNAMIC_ITEM); + + $dynamic_hostid = $this->getInput('dynamic_hostid', 0); + + if ($is_dynamic_item && $dynamic_hostid != 0) { + // The key of the actual graph prototype selected on widget's edit form. + $graph_prototype = API::GraphPrototype()->get([ + 'output' => ['name'], + 'graphids' => reset($this->fields_values['graphid']) + ]); + if ($graph_prototype) { + $graph_prototype = reset($graph_prototype); + } + else { + return $this->inaccessibleError(); + } + + // Analog graph prototype for the selected dynamic host. + $options['hostids'] = [$dynamic_hostid]; + $options['filter'] = ['name' => $graph_prototype['name']]; + } + else { + // Just fetch the item prototype selected on widget's edit form. + $options['graphids'] = reset($this->fields_values['graphid']); + } + + // Use this graph prototype as base for collecting created graphs. + $graph_prototype = API::GraphPrototype()->get($options); + if ($graph_prototype) { + $graph_prototype = reset($graph_prototype); + } + else { + return $this->inaccessibleError(); + } + + $graphs_collected = []; + + // Do not collect graphs while editing a template dashboard. + if (!$is_template_dashboard || $this->hasInput('dynamic_hostid')) { + $graphs_created_all = API::Graph()->get([ + 'output' => ['graphid', 'name'], + 'hostids' => [$graph_prototype['discoveryRule']['hostid']], + 'selectGraphDiscovery' => ['graphid', 'parent_graphid'], + 'selectHosts' => ['name'], + 'filter' => ['flags' => ZBX_FLAG_DISCOVERY_CREATED], + 'expandName' => true + ]); + + // Collect graphs based on the graph prototype. + foreach ($graphs_created_all as $graph) { + if ($graph['graphDiscovery']['parent_graphid'] === $graph_prototype['graphid']) { + $prepend_host_name = $is_template_dashboard + ? false + : count($graph['hosts']) == 1 || ($is_dynamic_item && $dynamic_hostid != 0); + + $graphs_collected[$graph['graphid']] = $prepend_host_name + ? $graph['hosts'][0]['name'].NAME_DELIMITER.$graph['name'] + : $graph['name']; + } + } + natsort($graphs_collected); + } + + $page = $this->getIteratorPage(count($graphs_collected)); + $page_count = $this->getIteratorPageCount(count($graphs_collected)); + + $graphs_collected = array_slice( + $graphs_collected, $this->getIteratorPageSize() * ($page - 1), $this->getIteratorPageSize(), true + ); + + $children = []; + + $widget = APP::ModuleManager()->getModule(self::GRAPH_WIDGET_ID); + + if ($widget !== null) { + foreach ($graphs_collected as $graphid => $name) { + $child_fields = [ + 'source_type' => ZBX_WIDGET_FIELD_RESOURCE_GRAPH, + 'graphid' => $graphid, + 'show_legend' => $this->fields_values['show_legend'] + ]; + + $children[] = [ + 'widgetid' => (string) $graphid, + 'type' => self::GRAPH_WIDGET_ID, + 'name' => $name, + 'fields' => $child_fields, + 'defaults' => $widget->getDefaults() + ]; + } + } + + if ($this->hasInput('name')) { + $widget_name = $this->getInput('name'); + } + else { + $host_names = array_column($graph_prototype['hosts'], 'name', 'hostid'); + $host_name = $host_names[$graph_prototype['discoveryRule']['hostid']]; + + $widget_name = $is_template_dashboard + ? $graph_prototype['name'] + : $host_name.NAME_DELIMITER.$graph_prototype['name']; + } + + return [ + 'name' => $widget_name, + 'children' => $children, + 'page' => $page, + 'page_count' => $page_count + ]; + } + + /** + * Get graph prototype widget data for simple graph prototype source. + */ + protected function doSimpleGraphPrototype(): array { + $options = [ + 'output' => ['itemid', 'name'], + 'selectHosts' => ['name'], + 'selectDiscoveryRule' => ['hostid'] + ]; + + $is_template_dashboard = $this->hasInput('templateid'); + $is_dynamic_item = ($is_template_dashboard || $this->fields_values['dynamic'] == CWidget::DYNAMIC_ITEM); + + $dynamic_hostid = $this->getInput('dynamic_hostid', 0); + + if ($is_dynamic_item && $dynamic_hostid != 0) { + // The key of the actual item prototype selected on widget's edit form. + $item_prototype = API::ItemPrototype()->get([ + 'output' => ['key_'], + 'itemids' => reset($this->fields_values['itemid']) + ]); + if ($item_prototype) { + $item_prototype = reset($item_prototype); + } + else { + return $this->inaccessibleError(); + } + + // Analog item prototype for the selected dynamic host. + $options['hostids'] = [$dynamic_hostid]; + $options['filter'] = ['key_' => $item_prototype['key_']]; + } + else { + // Just fetch the item prototype selected on widget's edit form. + $options['itemids'] = reset($this->fields_values['itemid']); + } + + // Use this item prototype as base for collecting created items. + $item_prototype = API::ItemPrototype()->get($options); + if ($item_prototype) { + $item_prototype = reset($item_prototype); + } + else { + return $this->inaccessibleError(); + } + + $items_collected = []; + + // Do not collect items while editing a template dashboard. + if (!$is_template_dashboard || $this->hasInput('dynamic_hostid')) { + $items_created_all = API::Item()->get([ + 'output' => ['itemid', 'name'], + 'hostids' => [$item_prototype['discoveryRule']['hostid']], + 'selectItemDiscovery' => ['itemid', 'parent_itemid'], + 'filter' => ['flags' => ZBX_FLAG_DISCOVERY_CREATED] + ]); + + // Collect items based on the item prototype. + $items_created = []; + foreach ($items_created_all as $item) { + if ($item['itemDiscovery']['parent_itemid'] === $item_prototype['itemid']) { + $items_created[] = $item; + } + } + foreach ($items_created as $item) { + $items_collected[$item['itemid']] = $is_template_dashboard + ? $item['name'] + : $item_prototype['hosts'][0]['name'].NAME_DELIMITER.$item['name']; + } + natsort($items_collected); + } + + $page = $this->getIteratorPage(count($items_collected)); + $page_count = $this->getIteratorPageCount(count($items_collected)); + + $items_collected = array_slice( + $items_collected, $this->getIteratorPageSize() * ($page - 1), $this->getIteratorPageSize(), true + ); + + $children = []; + + $widget = APP::ModuleManager()->getModule(self::GRAPH_WIDGET_ID); + + if ($widget !== null) { + foreach ($items_collected as $itemid => $name) { + $child_fields = [ + 'source_type' => ZBX_WIDGET_FIELD_RESOURCE_SIMPLE_GRAPH, + 'itemid' => $itemid, + 'show_legend' => $this->fields_values['show_legend'] + ]; + + $children[] = [ + 'widgetid' => (string) $itemid, + 'type' => self::GRAPH_WIDGET_ID, + 'name' => $name, + 'fields' => $child_fields, + 'defaults' => $widget->getDefaults() + ]; + } + } + + if ($this->hasInput('name')) { + $widget_name = $this->getInput('name'); + } + else { + $widget_name = $is_template_dashboard + ? $item_prototype['name'] + : $item_prototype['hosts'][0]['name'].NAME_DELIMITER.$item_prototype['name']; + } + + return [ + 'name' => $widget_name, + 'children' => $children, + 'page' => $page, + 'page_count' => $page_count + ]; + } + + /** + * Get graph prototype widget data for no permission's error. + */ + protected function inaccessibleError(): array { + return [ + 'name' => $this->getInput('name', $this->widget->getDefaultName()), + 'body' => (new CTableInfo()) + ->setNoDataMessage(_('No permissions to referred object or it does not exist!')) + ->toString() + ]; + } +} |