72 lines
2.4 KiB
TypeScript
72 lines
2.4 KiB
TypeScript
import { Mwn } from "mwn";
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import { VideoDescription } from "./main.ts";
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function parseTemplate(description: string): Record<string, string> {
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const u = new (new Mwn().Wikitext)(description)
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const r = u.parseTemplates({
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namePredicate: (name) => name === "DanceWorkshopDescription",
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})
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if (r.length < 1) {
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throw new Error("Could not find DanceWorkshopDescription")
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}
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if (r.length > 1) {
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console.warn("More than one DanceWorkshopDescription template found")
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}
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const p = r[0]
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const properties = p.parameters.map(v => ({ [v.name]: v.value }))
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return Object.assign({}, ...properties)
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}
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function parseBlock(header: string, text: string): string {
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const regex = new RegExp(`===\\s*${header}\\s*===\\s*(?<content>(^\\s*[:*]+.*$\\s+)+)`, "m")
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const match = text.match(regex)
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if (!match) {
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throw new Error(`Could not find block ${header}`)
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}
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if (!match.groups) {
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throw new Error("Faulty regex")
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}
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return match.groups['content'].trim()
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}
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export function parseSummary(description: string, name: string): VideoDescription {
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const properties = parseTemplate(description)
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const b: Partial<VideoDescription> = {};
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if (Object.hasOwn(properties, 'teachers')) {
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console.warn(`Page ${name} has old template usage [contains 'teachers' key]`)
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const t = properties['teachers'].split('&').map(item => item.trim());
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b.teachers = t
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} else {
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b.teachers = [properties['leader'], properties['follower']].filter(v => v !== undefined)
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}
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b.location = properties['location']
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b.date = properties['date']
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b.level = properties['level']
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b.event = properties['event'] || b.location
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if (!Object.hasOwn(properties, 'patterns')) {
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console.warn(`Page ${name} has old template usage [no 'patterns' key]`)
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b.patterns = parseBlock("Shown Patterns", description)
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} else {
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b.patterns = properties['patterns']
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}
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if (!Object.hasOwn(properties, 'notes')) {
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console.warn(`Page ${name} has old template usage [no 'notes' key]`)
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b.notes = parseBlock("Notes", description)
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} else {
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b.notes = properties['notes']
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}
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b.path = name
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const titleMatch = name.match(/File:WCS \w+ (?<title>.+)\.[^.]+/)
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b.title = titleMatch?.groups ? titleMatch.groups['title'] : name
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return (b as VideoDescription)
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}
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