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jetpack-modules.models.js
165 lines
| 1 | window.jetpackModules = window.jetpackModules || {}; |
| 2 | |
| 3 | window.jetpackModules.models = ( function ( window, $, Backbone ) { |
| 4 | 'use strict'; |
| 5 | |
| 6 | var models = {}; |
| 7 | |
| 8 | models.Modules = Backbone.Model.extend( { |
| 9 | visibles: {}, |
| 10 | |
| 11 | /** |
| 12 | * Applies the active availability, tag, state/purpose and search filters |
| 13 | * to the raw module set and returns the matching items (unsorted). |
| 14 | * |
| 15 | * @param {Object} [options] Filtering options. |
| 16 | * @param {boolean} [options.ignoreTag] When true, skip the "Show" tag |
| 17 | * facet so counts can be computed independently of the current tag |
| 18 | * selection (faceted counting). |
| 19 | * @param {boolean} [options.ignorePurpose] When true, skip the "Purpose" |
| 20 | * facet so its own faceted counts can be computed. |
| 21 | * @return {Array} Filtered module items. |
| 22 | */ |
| 23 | apply_filters: function ( options ) { |
| 24 | options = options || {}; |
| 25 | |
| 26 | var subsubsub = $( '.subsubsub .current a' ), |
| 27 | purpose = $( '.purpose-filter .current a' ), |
| 28 | items = Object.values( this.get( 'raw' ) ), |
| 29 | m_availability = $( '.button-group.availability-filter .active' ), |
| 30 | m_search = $( '#srch-term-search-input' ).val().toLowerCase(); |
| 31 | |
| 32 | // Offline-mode top-level filter: when "Hide unavailable" is selected, |
| 33 | // drop every module that isn't available offline, regardless of the |
| 34 | // other filters below it. |
| 35 | if ( 'hide-unavailable' === m_availability.data( 'availability' ) ) { |
| 36 | items = items.filter( item => item.available ); |
| 37 | } |
| 38 | |
| 39 | // Tag facet ("Show"). Skipped when computing that facet's own counts. |
| 40 | if ( ! options.ignoreTag && ! subsubsub.closest( 'li' ).hasClass( 'all' ) ) { |
| 41 | items = items.filter( item => item.module_tags.includes( subsubsub.data( 'title' ) ) ); |
| 42 | } |
| 43 | |
| 44 | // Purpose facet. Skipped when computing that facet's own counts. |
| 45 | if ( |
| 46 | ! options.ignorePurpose && |
| 47 | purpose.length && |
| 48 | ! purpose.closest( 'li' ).hasClass( 'all' ) |
| 49 | ) { |
| 50 | items = items.filter( item => item.product_group === purpose.data( 'group' ) ); |
| 51 | } |
| 52 | |
| 53 | // State facet (segmented buttons). "All" carries no data-filter-by. |
| 54 | $( '.button-group.module-filter .active' ).each( function () { |
| 55 | var by = $( this ).data( 'filter-by' ), |
| 56 | value = $( this ).data( 'filter-value' ); |
| 57 | |
| 58 | if ( by ) { |
| 59 | items = items.filter( item => item[ by ] === value ); |
| 60 | } |
| 61 | } ); |
| 62 | |
| 63 | if ( m_search.length ) { |
| 64 | items = items.filter( function ( item ) { |
| 65 | var search_text = |
| 66 | item.name + |
| 67 | ' ' + |
| 68 | item.description + |
| 69 | ' ' + |
| 70 | item.long_description + |
| 71 | ' ' + |
| 72 | item.search_terms + |
| 73 | ' ' + |
| 74 | item.module_tags; |
| 75 | return -1 !== search_text.toLowerCase().indexOf( m_search ); |
| 76 | } ); |
| 77 | } |
| 78 | |
| 79 | return items; |
| 80 | }, |
| 81 | |
| 82 | /** |
| 83 | * Computes, for the "Show" tag list, how many modules match every active |
| 84 | * filter except the tag facet itself. This powers faceted counts that |
| 85 | * stay meaningful as the user narrows the other filters. |
| 86 | * |
| 87 | * @return {Object} Map of translated tag title to count, plus an |
| 88 | * `__all__` key holding the total across all tags. |
| 89 | */ |
| 90 | tag_counts: function () { |
| 91 | var base = this.apply_filters( { ignoreTag: true } ), |
| 92 | counts = { __all__: base.length }; |
| 93 | |
| 94 | base.forEach( function ( item ) { |
| 95 | ( item.module_tags || [] ).forEach( function ( tag ) { |
| 96 | counts[ tag ] = ( counts[ tag ] || 0 ) + 1; |
| 97 | } ); |
| 98 | } ); |
| 99 | |
| 100 | return counts; |
| 101 | }, |
| 102 | |
| 103 | /** |
| 104 | * Computes, for the "Purpose" list, how many modules fall in each product |
| 105 | * group under every active filter except the Purpose facet itself. Mirrors |
| 106 | * tag_counts() so the two facet lists behave identically. |
| 107 | * |
| 108 | * @return {Object} Map of product-group slug to count, plus an `__all__` |
| 109 | * key holding the total across all groups. |
| 110 | */ |
| 111 | purpose_counts: function () { |
| 112 | var base = this.apply_filters( { ignorePurpose: true } ), |
| 113 | counts = { __all__: base.length }; |
| 114 | |
| 115 | base.forEach( function ( item ) { |
| 116 | if ( item.product_group ) { |
| 117 | counts[ item.product_group ] = ( counts[ item.product_group ] || 0 ) + 1; |
| 118 | } |
| 119 | } ); |
| 120 | |
| 121 | return counts; |
| 122 | }, |
| 123 | |
| 124 | /** |
| 125 | * Updates modules.items dataset to be a reflection of both the current |
| 126 | * modules.raw data, as well as any filters or sorting that may be in effect. |
| 127 | */ |
| 128 | filter_and_sort: function () { |
| 129 | var items = this.apply_filters(); |
| 130 | |
| 131 | // Default alphabetical order by name. The product-group sort below is |
| 132 | // stable, so this ordering is preserved within each group. |
| 133 | items.sort( ( a, b ) => a.name.localeCompare( b.name ) ); |
| 134 | |
| 135 | // Group by product group (primary), then push unavailable modules to |
| 136 | // the end of their group. Any user-selected sort above is preserved |
| 137 | // within a group because Array.prototype.sort is stable in the |
| 138 | // browsers we support. |
| 139 | var groupOrder = { growth: 0, performance: 1, security: 2, other: 3 }; |
| 140 | items.sort( function ( a, b ) { |
| 141 | var ga = groupOrder[ a.product_group ] !== undefined ? groupOrder[ a.product_group ] : 99; |
| 142 | var gb = groupOrder[ b.product_group ] !== undefined ? groupOrder[ b.product_group ] : 99; |
| 143 | |
| 144 | if ( ga !== gb ) { |
| 145 | return ga - gb; |
| 146 | } |
| 147 | |
| 148 | return ( b.available ? 1 : 0 ) - ( a.available ? 1 : 0 ); |
| 149 | } ); |
| 150 | |
| 151 | // Now shove it back in. |
| 152 | this.set( 'items', items ); |
| 153 | |
| 154 | return this; |
| 155 | }, |
| 156 | |
| 157 | initialize: function () { |
| 158 | var items = this.get( 'items' ); |
| 159 | this.set( 'raw', items ); |
| 160 | }, |
| 161 | } ); |
| 162 | |
| 163 | return models; |
| 164 | } )( window, jQuery, Backbone ); |
| 165 |