/** * Dynamic functions class */ // If this file is called directly, abort.x if ( ! defined( 'WPINC' ) ) { die; } if ( ! class_exists( 'Jet_Engine_Dynamic_Functions' ) ) { class Jet_Engine_Dynamic_Functions { private $functions_list = array(); private $cache_group = 'jet_engine_dynamic_functions'; public function __construct() { $number_format_settings = array( 'decimal_point' => array( 'label' => __( 'Decimals Point', 'jet-engine' ), 'type' => 'text', 'default' => '.', ), 'thousands_separator' => array( 'label' => __( 'Thousands separator', 'jet-engine' ), 'type' => 'text', 'default' => ',', ), 'decimal_count' => array( 'label' => __( 'Decimals Count', 'jet-engine' ), 'type' => 'number', 'default' => 0, 'min' => 0, 'max' => 5, ), ); $this->functions_list = apply_filters( 'jet-engine/dynamic-functions/functions-list', array( 'sum' => array( 'label' => __( 'Summed value', 'jet-engine' ), 'type' => 'sql', // sql or raw 'query' => 'SUM( CAST( meta_value AS DECIMAL( 10, %decimal_count% ) ) )', 'cb' => array( $this, 'number_format' ), 'custom_settings' => $number_format_settings, ), 'avg' => array( 'label' => __( 'Average value', 'jet-engine' ), 'type' => 'sql', 'query' => 'ROUND( AVG( CAST( meta_value AS DECIMAL( 10, %decimal_count% ) ) ), %decimal_count% )', 'cb' => array( $this, 'number_format' ), 'custom_settings' => $number_format_settings, ), 'count' => array( 'label' => __( 'Count', 'jet-engine' ), 'type' => 'sql', 'query' => 'COUNT(meta_value)', 'cb' => false, ), 'max' => array( 'label' => __( 'Maximum value', 'jet-engine' ), 'type' => 'sql', 'query' => 'MAX( CAST( meta_value AS DECIMAL( 10, %decimal_count% ) ) )', 'cb' => array( $this, 'number_format' ), 'custom_settings' => $number_format_settings, ), 'min' => array( 'label' => __( 'Minimum value', 'jet-engine' ), 'type' => 'sql', 'query' => 'MIN( CAST( meta_value AS DECIMAL( 10, %decimal_count% ) ) )', 'cb' => array( $this, 'number_format' ), 'custom_settings' => $number_format_settings, ), 'query_var' => array( 'label' => __( 'SQL query results', 'jet-engine' ), 'type' => 'query_var', 'query' => false, 'cb' => array( $this, 'number_format' ), 'custom_settings' => $number_format_settings, 'custom_settings_cb' => array( $this, 'get_query_settings' ), ), ) ); add_filter( 'jet-engine/blocks-views/dynamic-content/data-sources', array( $this, 'register_blocks_dynamic_source' ) ); add_filter( 'jet-engine/blocks-views/editor-data', array( $this, 'register_blocks_controls' ) ); add_filter( 'jet-engine/blocks-views/dynamic-content/get-dynamic-value/dynamic_function', array( $this, 'get_block_dynamic_value' ), 10, 2 ); } /** * Register Dynamic function source for blocks dynamic data. * * @param [type] $sources [description] * @return [type] [description] */ public function register_blocks_dynamic_source( $sources ) { $sources[] = array( 'value' => 'dynamic_function', 'label' => __( 'Dynamic function', 'jet-engine' ), ); return $sources; } /** * Get block dyanmic value * * @param [type] $result [description] * @param [type] $data [description] * @return [type] [description] */ public function get_block_dynamic_value( $result, $data ) { $prepared_data = array(); $prefix = 'dynamic_functions_'; foreach ( $data as $key => $value ) { if ( false !== strpos( $key, $prefix ) ) { $prepared_data[ str_replace( $prefix, '', $key ) ] = $value; } } $function_name = \Jet_Engine_Tools::safe_get( 'function_name', $prepared_data ); $source = \Jet_Engine_Tools::safe_get( 'data_source', $prepared_data ); $field_name = \Jet_Engine_Tools::safe_get( 'field_name', $prepared_data ); if ( ! $source ) { $source = 'post_meta'; } $data_source = array( 'source' => $source ); if ( empty( $function_name ) ) { return; } if ( 'post_meta' === $source ) { $data_source['context'] = \Jet_Engine_Tools::safe_get( 'data_context', $prepared_data , 'all_posts' ); $data_source['context_tax'] = \Jet_Engine_Tools::safe_get( 'data_context_tax', $prepared_data ); $data_source['context_tax_term'] = \Jet_Engine_Tools::safe_get( 'data_context_tax_term', $prepared_data ); $data_source['context_user_id'] = \Jet_Engine_Tools::safe_get( 'data_context_user_id', $prepared_data ); $data_source['context_relation'] = \Jet_Engine_Tools::safe_get( 'data_context_relation', $prepared_data ); $data_source['post_status'] = \Jet_Engine_Tools::safe_get( 'data_post_status', $prepared_data ); $data_source['post_types'] = \Jet_Engine_Tools::safe_get( 'data_post_types', $prepared_data ); } $custom_settings = $this->get_custom_settings( $function_name, null, $prepared_data ); $result = $this->call_function( $function_name, $data_source, $field_name, $custom_settings ); return $result; } /** * Register denamic functions related controls for the blocks editor * * @param [type] $editor_config [description] * @return [type] [description] */ public function register_blocks_controls( $editor_config ) { $editor_config['dynamicFunctionsControls'] = $this->get_editor_controls( 'blocks' ); return $editor_config; } /** * Returns functions list for options */ public function functions_list() { $result = array(); foreach ( $this->functions_list as $func_key => $func_data ) { $result[ $func_key ] = ! empty( $func_data['label'] ) ? $func_data['label'] : $func_key; } return $result; } public function get_query_settings() { $queries = \Jet_Engine\Query_Builder\Manager::instance()->get_queries(); $options = array(); $sql_queries = array(); if ( ! empty( $queries ) ) { foreach( $queries as $query ) { if ( ! $query || ! is_object( $query ) ) { continue; } if ( 'sql' === $query->query_type ) { $sql_queries[] = $query; } } } if ( empty( $sql_queries ) ) { $options['no_query_notice'] = array( 'type' => 'raw_html', 'raw' => sprintf( esc_html__( 'With this function you can output any data from custom SQL query. To start, please %s', 'jet-elements' ), '' . esc_html__( 'create your query', 'jet-elements' ) . '' ) ); } $columns = array(); foreach ( $sql_queries as $query ) { $fields = $query->get_instance_fields(); $prepared_fields = array(); foreach ( $fields as $field ) { $prepared_fields[ $query->get_instance_id() . '::' . $field ] = $field; } $columns[] = array( 'label' => $query->get_instance_name(), 'options' => $prepared_fields, ); } $options['_query_field'] = array( 'label' => __( 'Query Column', 'jet-engine' ), 'description' => __( 'Select column from the query to show', 'jet-engine' ), 'type' => 'select', 'groups' => $columns, ); $options['_additional_function'] = array( 'label' => __( 'Additional Function', 'jet-engine' ), 'description' => __( 'Apply additional function to SQL query', 'jet-engine' ), 'type' => 'select', 'options' => array( '' => __( 'Select...', 'jet-engine' ), 'SUM' => __( 'Sum', 'jet-engine' ), 'AVG' => __( 'Average', 'jet-engine' ), 'COUNT' => __( 'Count', 'jet-engine' ), 'MIN' => __( 'Minimum', 'jet-engine' ), 'MAX' => __( 'Maximum', 'jet-engine' ), ), ); return $options; } public function get_relations_for_options() { $result = array( '' => __( 'Select...', 'jet-engine' ), ); $relations = jet_engine()->relations->get_relations_for_js(); if ( ! empty( $relations ) ) { foreach ( $relations as $relations ) { $result[ $relations['value'] ] = $relations['label']; } } return $result; } /** * Returns all taxonomies list for options * * @return [type] [description] */ public function get_taxonomies_for_options() { $result = array(); $taxonomies = get_taxonomies( array( 'public' => true ), 'objects' ); foreach ( $taxonomies as $taxonomy ) { if ( empty( $taxonomy->object_type ) || ! is_array( $taxonomy->object_type ) ) { continue; } foreach ( $taxonomy->object_type as $object ) { if ( empty( $result[ $object ] ) ) { $post_type = get_post_type_object( $object ); if ( ! $post_type ) { continue; } $result[ $object ] = array( 'label' => $post_type->labels->name, 'options' => array(), ); } $result[ $object ]['options'][ $taxonomy->name ] = $taxonomy->labels->name; }; } return $result; } /** * Returns editor controls for Elementor or Blocks editor * * @param string $for [description] * @return [type] [description] */ public function get_editor_controls( $for = 'elementor' ) { $controls = array(); $functions_list = array_reverse( $this->functions_list ); $controls['function_name'] = array( 'label' => __( 'Function', 'jet-engine' ), 'type' => 'select', 'add_placeholder' => __( 'Select...', 'jet-engine' ), 'options' => $this->functions_list(), ); $controls['data_source'] = array( 'label' => __( 'Data Source', 'jet-engine' ), 'type' => 'select', 'add_placeholder' => __( 'Select...', 'jet-engine' ), 'options' => array( 'post_meta' => __( 'Post Meta', 'jet-engine' ), 'term_meta' => __( 'Term Meta', 'jet-engine' ), 'user_meta' => __( 'User Meta', 'jet-engine' ), ), 'description' => __( 'Please note: if you used Custom Meta Storage feature for meta data you want to get with Dynamic Functions, you need to use SQL Query Results function type', 'jet-engine' ), 'condition' => array( 'function_name!' => 'query_var', ), ); $controls['field_name'] = array( 'label' => __( 'Field Name', 'jet-engine' ), 'type' => 'text', 'label_block' => true, 'condition' => array( 'function_name!' => 'query_var', ), ); $controls['data_context'] = array( 'label' => __( 'Data Context', 'jet-engine' ), 'type' => 'select', 'default' => 'all_posts', 'add_placeholder' => __( 'Select...', 'jet-engine' ), 'options' => array( 'all_posts' => __( 'All posts', 'jet-engine' ), 'current_term' => __( 'Posts from current term', 'jet-engine' ), 'current_user' => __( 'Posts by current user', 'jet-engine' ), 'queried_user' => __( 'Posts by queried user', 'jet-engine' ), 'related_posts' => __( 'Related posts for current post', 'jet-engine' ), ), 'condition' => array( 'data_source' => 'post_meta', 'function_name!' => 'query_var', ), ); $controls['data_context_relation'] = array( 'label' => __( 'Relation', 'jet-engine' ), 'type' => 'select', 'options' => $this->get_relations_for_options(), 'condition' => array( 'data_source' => 'post_meta', 'data_context' => 'related_posts', 'function_name!' => 'query_var', ), ); $controls['data_context_relation_object'] = array( 'label' => __( 'From Object (what to show)', 'jet-engine' ), 'type' => 'select', 'options' => array( 'parent_object' => __( 'Parent Object', 'jet-engine' ), 'child_object' => __( 'Child Object', 'jet-engine' ), ), 'default' => 'child_object', 'condition' => array( 'data_source' => 'post_meta', 'data_context' => 'related_posts', 'function_name!' => 'query_var', ), ); $controls['data_context_tax'] = array( 'label' => __( 'Taxonomy', 'jet-engine' ), 'type' => 'select', 'groups' => $this->get_taxonomies_for_options(), 'add_placeholder' => __( 'Select...', 'jet-engine' ), 'condition' => array( 'data_source' => 'post_meta', 'data_context' => 'current_term', 'function_name!' => 'query_var', ), ); $controls['data_context_tax_term'] = array( 'label' => __( 'Set term ID/slug', 'jet-engine' ), 'type' => 'text', 'label_block' => true, 'description' => __( 'Leave empty to get term dynamically. Use prefix slug:: to set term by slug instead of ID, for example - slug::term-slug', 'jet-engine' ), 'has_html' => true, 'condition' => array( 'data_source' => 'post_meta', 'data_context' => 'current_term', 'function_name!' => 'query_var', ), ); $controls['data_context_user_id'] = array( 'label' => __( 'Set user ID/login/email', 'jet-engine' ), 'type' => 'text', 'label_block' => true, 'description' => __( 'Leave empty to get user ID dynamically. Use prefixes login:: or email:: to set user by login or email instead of ID, for example - email::admin@demolink.org', 'jet-engine' ), 'has_html' => true, 'condition' => array( 'data_source' => 'post_meta', 'data_context' => 'queried_user', 'function_name!' => 'query_var', ), ); $controls['data_post_status'] = array( 'label' => __( 'Query by posts with status', 'jet-engine' ), 'description' => __( 'Leave empy to search anywhere', 'jet-engine' ), 'type' => 'select2', 'default' => '', 'label_block' => true, 'multiple' => true, 'add_placeholder' => __( 'Select...', 'jet-engine' ), 'options' => array( 'publish' => __( 'Publish', 'jet-engine' ), 'pending' => __( 'Pending', 'jet-engine' ), 'draft' => __( 'Draft', 'jet-engine' ), 'auto-draft' => __( 'Auto draft', 'jet-engine' ), 'future' => __( 'Future', 'jet-engine' ), 'private' => __( 'Private', 'jet-engine' ), 'trash' => __( 'Trash', 'jet-engine' ), 'any' => __( 'Any', 'jet-engine' ), ), 'condition' => array( 'data_source' => 'post_meta', 'function_name!' => 'query_var', ), ); $controls['data_post_types'] = array( 'label' => esc_html__( 'Query by posts with types', 'jet-engine' ), 'description' => __( 'Leave empy to search anywhere', 'jet-engine' ), 'type' => 'select2', 'label_block' => true, 'add_placeholder' => __( 'Select...', 'jet-engine' ), 'multiple' => true, 'options' => jet_engine()->listings->get_post_types_for_options(), 'condition' => array( 'data_source' => 'post_meta', 'function_name!' => 'query_var', ), ); foreach ( $functions_list as $func_name => $data ) { $custom_settings = array(); if ( ! empty( $data['custom_settings_cb'] ) && is_callable( $data['custom_settings_cb'] ) ) { $custom_settings = array_merge( $custom_settings, call_user_func( $data['custom_settings_cb'] ) ); } if ( ! empty( $data['custom_settings'] ) ) { $custom_settings = array_merge( $custom_settings, $data['custom_settings'] ); } if ( ! empty( $custom_settings ) ) { foreach ( $custom_settings as $setting_key => $setting_data ) { if ( empty( $controls[ $setting_key ] ) ) { $setting_data['condition'] = array( 'function_name' => array( $func_name ), ); $controls[ $setting_key ] = $setting_data; } else { $controls[ $setting_key ]['condition']['function_name'][] = $func_name; } } } } if ( 'blocks' === $for ) { $controls = \Jet_Engine_Tools::prepare_controls_for_js( $controls ); } return $controls; } /** * Allow to register custom settings to each function */ public function register_custom_settings( $tag ) { $controls = $this->get_editor_controls(); if ( ! empty( $controls ) ) { foreach ( $controls as $control_key => $control_data ) { $tag->add_control( $control_key, $control_data ); } } } /** * Allow to get custom settings to each function */ public function get_custom_settings( $function, $tag, $all_settings = array() ) { $settings = array(); $custom_settings = array(); $data = ! empty( $this->functions_list[ $function ] ) ? $this->functions_list[ $function ] : array(); if ( ! empty( $data['custom_settings_cb'] ) && is_callable( $data['custom_settings_cb'] ) ) { $custom_settings = array_merge( $custom_settings, call_user_func( $data['custom_settings_cb'] ) ); } if ( ! empty( $data['custom_settings'] ) ) { $custom_settings = array_merge( $custom_settings, $data['custom_settings'] ); } if ( empty( $this->functions_list[ $function ] ) || empty( $custom_settings ) ) { return $settings; } $required_sql_settings = array( 'decimal_count' ); foreach ( $custom_settings as $setting_key => $setting_data ) { if ( $tag ) { $settings[ $setting_key ] = $tag->get_settings( $setting_key ); } else { $settings[ $setting_key ] = isset( $all_settings[ $setting_key ] ) ? $all_settings[ $setting_key ] : false; } // Added to prevent SQL error if required sql setting is empty. if ( in_array( $setting_key, $required_sql_settings ) && Jet_Engine_Tools::is_empty( $settings[ $setting_key ] ) && isset( $setting_data['default'] ) ) { $settings[ $setting_key ] = $setting_data['default']; } } return $settings; } /** * Call function by function name and arguments */ public function call_function( $function_name = null, $data_source = array(), $field_name = null, $custom_settings = array() ) { if ( empty( $this->functions_list[ $function_name ] ) ) { return null; } $func_data = $this->functions_list[ $function_name ]; $func_data['function'] = $function_name; $func_data['data_source'] = $data_source; $func_data['field_name'] = $field_name; $func_data['custom_settings'] = $custom_settings; if ( ! empty( $func_data['type'] ) ) { switch ( $func_data['type'] ) { case 'sql': return $this->call_sql_function( $func_data ); case 'query_var': return $this->get_query_var( $func_data ); default: return $this->call_raw_function( $func_data ); } } } public function get_query_var( $func_data ) { if ( empty( $func_data['custom_settings'] ) || empty( $func_data['custom_settings']['_query_field'] ) ) { return; } $query_data = explode( '::', $func_data['custom_settings']['_query_field'] ); $query_id = str_replace( '_query_', '', $query_data[0] ); $column = $query_data[1]; $query = \Jet_Engine\Query_Builder\Manager::instance()->get_query_by_id( $query_id ); if ( ! $query || 'sql' !== $query->query_type ) { return; } $func = ! empty( $func_data['custom_settings']['_additional_function'] ) ? $func_data['custom_settings']['_additional_function'] : false; $decimal_count = isset( $func_data['custom_settings']['decimal_count'] ) ? $func_data['custom_settings']['decimal_count'] : 0; $callback = ! empty( $func_data['cb'] ) ? $func_data['cb'] : false; $result = $query->get_var( $column, $func, $decimal_count ); if ( $callback && is_callable( $callback ) ) { return call_user_func( $callback, array( 'result' => $result, 'custom_settings' => $func_data['custom_settings'] ) ); } else { return $result; } } /** * Call plain PHP function */ public function call_raw_function( $func_data ) { $function = ! empty( $func_data['cb'] ) ? $func_data['cb'] : false; if ( ! $function || ! is_callable( $function ) ) { return null; } unset( $func_data['cb'] ); return call_user_func( $function, $func_data ); } /** * Call sql-query function */ public function call_sql_function( $data ) { $query = ! empty( $data['query'] ) ? $data['query'] : false; $where = ! empty( $data['where'] ) ? $data['where'] : false; $data_source = ! empty( $data['data_source'] ) ? $data['data_source'] : false; $field_name = ! empty( $data['field_name'] ) ? $data['field_name'] : false; if ( ! $field_name || ! $query ) { return null; } $table = false; global $wpdb; $source = ! empty( $data_source['source'] ) ? $data_source['source'] : 'post_meta'; switch ( $source ) { case 'post_meta': $table = $wpdb->postmeta; break; case 'term_meta': $table = $wpdb->termmeta; break; case 'user_meta': $table = $wpdb->usermeta; break; default: $table = apply_filters( 'jet-engine/dynamic-functions/custom-sql-table', $table, $data ); break; } if ( ! $table ) { return null; } if ( ! $where ) { $where = $wpdb->prepare( "WHERE $table.meta_key ='%s'", $field_name ); } if ( ! empty( $data['custom_settings'] ) ) { foreach ( $data['custom_settings'] as $key => $value ) { $query = str_replace( '%' . $key . '%', $value, $query ); $where = str_replace( '%' . $key . '%', $value, $where ); } } $posts_table = $wpdb->posts; $posts_query_join = " INNER JOIN $posts_table ON $table.post_id = $posts_table.ID "; $posts_join = ""; $posts_where = ""; if ( ! empty( $data_source['post_status'] ) ) { $posts_join = $posts_query_join; $posts_where .= " AND $posts_table.post_status"; $post_status = is_array( $data_source['post_status'] ) ? $data_source['post_status'] : array( $data_source['post_status'] ); if ( 1 === count( $post_status ) ) { $status = $post_status[0]; $posts_where .= " = '$status'"; } else { $statuses = array(); foreach ( $post_status as $status ) { $statuses[] = sprintf( "'%s'", $status ); } $statuses = implode( ', ', $statuses ); $posts_where .= " IN ($statuses)"; } } if ( ! empty( $data_source['post_types'] ) ) { if ( ! $posts_join ) { $posts_join = $posts_query_join; } $posts_where .= " AND $posts_table.post_type"; $post_types = is_array( $data_source['post_types'] ) ? $data_source['post_types'] : array( $data_source['post_types'] ); if ( 1 === count( $post_types ) ) { $type = $post_types[0]; $posts_where .= " = '$type'"; } else { $types = array(); foreach ( $post_types as $type ) { $types[] = sprintf( "'%s'", $type ); } $types = implode( ', ', $types ); $posts_where .= " IN ($types)"; } } $final_query = "SELECT $query FROM $table $posts_join $where $posts_where;"; if ( 'post_meta' === $source ) { switch ( $data_source['context'] ) { case 'current_term': $term_id = $this->get_current_term_id( $data_source ); if ( $term_id ) { $term_relationships = $wpdb->term_relationships; $final_query = "SELECT $query FROM $table $posts_join INNER JOIN $term_relationships ON $table.post_id = $term_relationships.object_id $where AND $term_relationships.term_taxonomy_id = $term_id $posts_where"; } break; case 'related_posts': $relation = ! empty( $data_source['context_relation'] ) ? $data_source['context_relation'] : false; $post = get_post(); $posts = false; if ( $relation && $post ) { $post_type = $post->post_type; $relation_data = jet_engine()->relations->legacy->get_relation_info( $relation ); if ( $relation_data ) { $from = ( $post_type === $relation_data['post_type_1'] ) ? $relation_data['post_type_2'] : $relation_data['post_type_1']; $posts = jet_engine()->relations->legacy->get_related_posts( array( 'post_type_1' => $relation_data['post_type_1'], 'post_type_2' => $relation_data['post_type_2'], 'hash' => $relation, 'from' => $from, ) ); } else { $from = ! empty( $data_source['data_context_relation_object'] ) ? $data_source['data_context_relation_object'] : 'child_object'; $object_id = jet_engine()->listings->data->get_current_object_id(); $relation_instance = jet_engine()->relations->get_active_relations( $relation ); if ( ! $relation_instance ) { return null; } switch ( $from ) { case 'parent_object': $posts = $relation_instance->get_parents( $object_id, 'ids' ); break; default: $posts = $relation_instance->get_children( $object_id, 'ids' ); break; } } if ( ! empty( $posts ) ) { $posts = implode( ', ', $posts ); } else { // If related posts not found - return null to avoid incorrect calculations return null; } $final_query = str_replace( ";", " AND $table.post_id IN ( $posts );", $final_query ); } break; case 'current_user': $user_id = get_current_user_id(); if ( $user_id ) { $posts = $wpdb->posts; $final_query = "SELECT $query FROM $table INNER JOIN $posts ON $table.post_id = $posts.ID $where AND $posts.post_author = $user_id $posts_where"; } break; case 'queried_user': $user_id = false; if ( ! empty( $data_source['context_user_id'] ) ) { $user = $data_source['context_user_id']; if ( false === strpos( $user, '::' ) ) { $user_id = absint( $user ); } else { $user_data = explode( '::', $user ); if ( ! empty( $user_data[0] ) && ! empty( $user_data[1] ) ) { $user_obj = get_user_by( $user_data[0], $user_data[1] ); } if ( $user_obj ) { $user_id = $user_obj->ID; } } } else { if ( is_author() ) { $user_id = get_queried_object_id(); } elseif ( jet_engine()->modules->is_module_active( 'profile-builder' ) ) { $user_id = \Jet_Engine\Modules\Profile_Builder\Module::instance()->query->get_queried_user_id(); } } if ( ! $user_id ) { $user_id = get_current_user_id(); } if ( $user_id ) { $posts = $wpdb->posts; $final_query = "SELECT $query FROM $table INNER JOIN $posts ON $table.post_id = $posts.ID $where AND $posts.post_author = $user_id $posts_where"; } break; } } $final_query = apply_filters( 'jet-engine/dynamic-functions/final-query', $final_query, $data, $this ); $hash = md5( $final_query ); $result = wp_cache_get( $hash, $this->cache_group ); if ( ! $result ) { $result = $wpdb->get_var( $final_query ); if ( ! empty( $data['cb'] ) ) { $data['result'] = $result; $cb_result = $this->call_raw_function( $data ); $result = ( null !== $cb_result ) ? $cb_result : $result; } wp_cache_set( $hash, $result, $this->cache_group ); } return $result; } /** * Get term ID for current context and settings */ public function get_current_term_id( $data_source ) { if ( ! empty( $data_source['context_tax_term'] ) ) { $term = $data_source['context_tax_term']; $term_id = false; if ( false === strpos( $term, 'slug::' ) ) { $term_id = absint( $term ); } elseif ( ! empty( $data_source['context_tax'] ) ) { $term = str_replace( 'slug::', '', $term ); $term_obj = get_term_by( 'slug', $term, $data_source['context_tax'] ); if ( $term_obj ) { $term_id = $term_obj->term_id; } } if ( $term_id ) { return $term_id; } } $listing_object = jet_engine()->listings->data->get_current_object(); $term_id = false; if ( $listing_object && 'WP_Term' === get_class( $listing_object ) ) { $term_id = $listing_object->term_id; } else { $queried_object = get_queried_object(); if ( $queried_object && isset( $queried_object->term_id ) ) { $term_id = $queried_object->term_id; } elseif ( $listing_object && 'WP_Post' === get_class( $listing_object ) && ! empty( $data_source['context_tax'] ) ) { $post_id = $listing_object->ID; $terms = wp_get_post_terms( $post_id, $data_source['context_tax'], array( 'fields' => 'ids' ) ); if ( ! is_wp_error( $terms ) && ! empty( $terms ) ) { $term_id = $terms[0]; } } } return $term_id; } /** * Number format. * * @param array $data * @return string|null */ public function number_format( $data = array() ) { if ( ! isset( $data['result'] ) ) { return null; } $decimal_point = isset( $data['custom_settings']['decimal_point'] ) ? $data['custom_settings']['decimal_point'] : '.'; $thousands_sep = isset( $data['custom_settings']['thousands_separator'] ) ? $data['custom_settings']['thousands_separator'] : ','; $decimal_count = isset( $data['custom_settings']['decimal_count'] ) ? $data['custom_settings']['decimal_count'] : 0; return number_format( $data['result'], $decimal_count, $decimal_point, $thousands_sep ); } } } Technológia a význam pistoly v moderných systémoch – homeserviceapp.noviindus.com

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Technológia a význam pistoly v moderných systémoch

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V súčasnej dobe zohrávajú rôzne mechanické zariadenia, vrátane nízkohlavňových strielnych zbraní, kľúčovú úlohu v bezpečnostnej a vojenskej oblasti. Aby sme pochopili moderné inovácie v tejto oblasti, je nutné sa zamerať na základné technológie, ktoré tieto zariadenia definujú a ich funkcie.

História a vývoj technológie pistoly

Pistoly predstavujú kompaktné a ľahko použiteľné zbrane s krátkym hlavným valcom, ktoré sa používajú nielen v armádach, ale aj u civilného obyvateľstva či bezpečnostných zložiek. Vývoj týchto zariadení je dôsledkom desaťročí technického pokroku, ktorý viedol k zvýšeniu spoľahlivosti, presnosti a bezpečnosti manipulácie. Moderné pistoly často využívajú vysokotlakové náboje a sofistikované spúšťové mechanizmy, pričom každá technológia má svoje špecifiká na zabezpečenie efektívnosti a efektivity používania.

V tomto kontexte je dôležité pochopiť, ako konkrétne technológie prispievajú k bezpečnosti používateľa, ako aj k prevencii neúmyselných výstrelov. Napríklad, niektoré moderné pistoly sú vybavené systémami bezpečnostných mechanizmov, ktoré zabraňujú náhodnému výstrelu, ak nie sú správne držané alebo sú poškodené.

Výhody a technické aspekty

Výhoda Popis
Prenosnosť Kompatibilita s rôznymi prostrediami vďaka kompaktnému dizajnu.
Presnosť Vysoko precízne hlavne a kvalitné spúšťové mechanizmy zvyšujú šancu na presný zásah.
Rýchlosť manipulácie Rýchle nabíjanie a bezpečné ovládanie s minimalnou časovou stratou.

Kľúčové technologické inovácie

Výrobca zbraní neustále inovuje hlavne technológie, ktoré zvyšujú celkovú výkonnosť pistoly. Patria sem napríklad systému na minimalizáciu spätného rázu, zlepšené materiály na výrobu hlavní či vylepšené zabezpečovacie prvky, ktoré zabraňujú zneužitiu zbrane. Jedným z príkladov sú tzv. polgólové spúšťové mechanizmy, ktoré poskytujú rovnomerné a plynulé stláčanie, čím sa zvyšuje presnosť a komfort manipulácie.

Evolúcia a aktuálne trendy

V poslednej dekáde je zrejmé zvýšené zameranie na digitálne technológie a integráciu moderných sensorov do pistoly. Niektoré modely sú vybavené elektronickými systémami, ktoré sledujú stav zbrane, oznamujú potrebu údržby alebo upozorňujú na nesprávnu manipuláciu. Tieto inovácie má za cieľ predĺžiť životnosť zbraní, zvýšiť ich bezpečnosť a poskytnúť používateľom viac informácií počas jej používania.

Ak by ste chceli viac informácií o rôznych typoch a technológiách, ktoré sú dostupné na trhu, odporúčame navštíviť pistolo. Tento zdroj ponúka podrobný pohľad na aktuálnu technológiu a produkte, ktoré v súčasnosti tvoria základ moderných pistól.

Záver

Využitie pokročilých technológií v pistoly je kľúčové pre zabezpečenie jej spoľahlivosti, presnosti a bezpečnosti. Súčasne ich vývoj odráža stále rastúce požiadavky na bezpečnostné štandardy a používateľský komfort v špecifických prípadoch ochrany života a majetku. Budúca infraštruktúra a integrácia elektronických systémov pravdepodobne ešte viac zvýšia účinnosť a bezpečnosť týchto zariadení.

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