Search: improve layer search code

This commit is contained in:
Pieter Vander Vennet 2024-09-24 17:23:44 +02:00
parent 2db7ef872c
commit d1fed39fcb
2 changed files with 30 additions and 13 deletions

View file

@ -8,21 +8,27 @@ import { Utils } from "../../Utils"
export default class LayerSearch {
private readonly _layout: LayoutConfig
private readonly _layerWhitelist : Set<string>
private readonly _layerWhitelist: Set<string>
constructor(layout: LayoutConfig) {
this._layout = layout
this._layerWhitelist = new Set(layout.layers.map(l => l.id).filter(id => Constants.added_by_default.indexOf(<any> id) < 0))
this._layerWhitelist = new Set(layout.layers.map(l => l.id).filter(id => Constants.added_by_default.indexOf(<any>id) < 0))
}
static scoreLayers(query: string, layerWhitelist?: Set<string>): Record<string, number> {
static scoreLayers(query: string, options: {
whitelist?: Set<string>, blacklist?: Set<string>
}): Record<string, number> {
const result: Record<string, number> = {}
const queryParts = query.trim().split(" ").map(q => Utils.simplifyStringForSearch(q))
for (const id in ThemeSearch.officialThemes.layers) {
if(layerWhitelist !== undefined && !layerWhitelist.has(id)){
if (options?.whitelist && !options?.whitelist.has(id)) {
continue
}
if (options?.blacklist?.has(id)) {
continue
}
const keywords = ThemeSearch.officialThemes.layers[id]
const distance = Math.min(... queryParts.map(q => SearchUtils.scoreKeywords(q, keywords)))
const distance = Math.min(...queryParts.map(q => SearchUtils.scoreKeywords(q, keywords)))
result[id] = distance
}
return result
@ -34,11 +40,11 @@ export default class LayerSearch {
return []
}
const scores = LayerSearch.scoreLayers(query, this._layerWhitelist)
const asList:({layer: LayerConfig, score:number})[] = []
const asList: ({ layer: LayerConfig, score: number })[] = []
for (const layer in scores) {
asList.push({
layer: this._layout.getLayer(layer),
score: scores[layer]
score: scores[layer],
})
}
asList.sort((a, b) => a.score - b.score)

View file

@ -13,7 +13,7 @@ type ThemeSearchScore = {
theme: MinimalLayoutInformation,
lowest: number,
perLayer?: Record<string, number>,
other: number
other: number,
}
@ -92,15 +92,26 @@ export default class ThemeSearch {
return `${linkPrefix}`
}
private static scoreThemes(query: string, themes: MinimalLayoutInformation[], ignoreLayers: string[] = []): Record<string, ThemeSearchScore> {
/**
* Returns a score based on textual search
*
* Note that, if `query.length < 3`, layers are _not_ searched because this takes too much time
* @param query
* @param themes
* @param ignoreLayers
* @private
*/
private static scoreThemes(query: string, themes: MinimalLayoutInformation[], ignoreLayers: string[] = undefined): Record<string, ThemeSearchScore> {
if (query?.length < 1) {
return undefined
}
themes = Utils.NoNullInplace(themes)
const layerScores = LayerSearch.scoreLayers(query)
for (const ignoreLayer of ignoreLayers) {
delete layerScores[ignoreLayer]
let options : {blacklist: Set<string>} = undefined
if(ignoreLayers?.length > 0){
options.blacklist = new Set(ignoreLayers)
}
const layerScores = query.length < 3 ? {} : LayerSearch.scoreLayers(query, options)
const results: Record<string, ThemeSearchScore> = {}
for (const layoutInfo of themes) {
const theme = layoutInfo.id
@ -111,7 +122,7 @@ export default class ThemeSearch {
results[theme] = {
theme: layoutInfo,
lowest: -1,
other: 0,
other: 0
}
continue
}