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import { parse } from './wikiparser.mjs';
import { readFileSync } from 'fs';
import glob from 'glob';
export class PageDirectory {
pages: Record<string, Page>;
primaryPages: Page[];
pagePath: string;
lastBuild: number;
constructor(root: string) {
this.lastBuild = 0;
this.pages = {};
this.pagePath = root;
this.rebuild();
}
/**
* Build this page directory.
*
* @returns whether the directory was built
*/
rebuild(): boolean {
if (this.lastBuild + parseInt(process.env.REBUILD_COOLDOWN_MIN, 10) * 60 * 1000 > Date.now()) {
return false;
}
for (const page in this.pages) {
delete this.pages[page];
}
const pages = glob.sync(`**/*.wiki`, { cwd: this.pagePath })
pages.forEach(page => {
page = page.replace('.wiki', '').replace('/', ':').replace(/[^a-z0-9:]/gi, '_').toLowerCase();
this.pages[page] = {
standardName: page,
buildTime: 0,
metadata: {}
}
});
// Build templates first
Object.keys(this.pages).forEach(name => {
if (name.includes('Template:')) {
this.pages[name] = this.buildPage(name);
}
});
const primaryPages = [];
Object.keys(this.pages).forEach(name => {
if (!name.includes('Template:')) {
this.pages[name] = this.buildPage(name);
}
if (this.pages[name].metadata.includeInNavbar) {
primaryPages.push(this.pages[name]);
}
});
primaryPages.sort((a, b) => {
return a.metadata.sortOrder - b.metadata.sortOrder;
});
this.primaryPages = primaryPages;
this.lastBuild = Date.now();
return true;
}
/**
* Get whether a page exists with this name.
*
* @param name standard name for page
* @returns whether the page exists
*/
exists(name: string): boolean {
return !!this.pages[this.convertNameToStandard(name)];
}
/**
* Get a page.
*
* @param name standard name for page
* @returns page
*/
get(name: string): Page {
name = this.convertNameToStandard(name);
const page = this.pages[name];
if (!page) {
return undefined;
}
if (!page.html) {
return this.buildPage(name)
}
return page;
}
/**
* Get the raw wikitext for a page.
*
* @param name standard name for page
* @returns raw wikitext
*/
getRaw(name: string): string {
name = this.convertNameToStandard(name);
return this.pages[name]?.raw;
}
/**
* Purge (rebuild) a page.
*
* @param name standard name for page
* @returns whether the page was rebuilt
*/
purge(name: string): boolean {
name = this.convertNameToStandard(name);
const page = this.pages[name];
if (page) {
if (page.buildTime + parseInt(process.env.PURGE_COOLDOWN_MIN, 10) * 60 * 1000 > Date.now()) {
return false;
} else {
delete this.pages[name];
if (this.buildPage(name)) {
return true;
}
}
}
return false;
}
/**
* Get all pages.
*
* @returns all pages
*/
getPages(): Record<string, Page> {
return this.pages;
}
/**
* Get primary pages.
*
* @param current
* @returns
*/
getPrimaryPages(): Page[] {
return this.primaryPages;
}
/**
* Build a page.
*
* @param path standard name for page
* @returns newly built page, or undefined
*/
private buildPage(name: string): Page {
name = this.convertNameToStandard(name);
let data: string;
try {
data = readFileSync(`${this.pagePath}/${this.convertStandardToFilePath(name)}`, 'utf-8');
} catch {
return undefined;
}
const result = parse(this, data);
const title = result.metadata.displayTitle ?? name
const content = `${result.metadata.notitle ? '' : `<h1>${title}</h1>`}${result.html}`;
const page: Page = {
html: content,
raw: data,
standardName: name,
buildTime: Date.now(),
metadata: {
includeInNavbar: result.metadata.primary ?? false,
sortOrder: result.metadata.sortOrder ?? -1,
showTitle: !result.metadata.notitle ?? true,
displayTitle: title
}
};
this.pages[name] = page;
return page;
}
/**
* Convert a page name to a standard name.
* A standard name is the key used by the page directory.
*
* @param name non-standard name for a page
*/
private convertNameToStandard(name: string): string {
return name.replace(/[^a-z0-9:]/gi, '_').toLowerCase();
}
/**
* Convert a standard name to a file path.
*
* @param name standard name for a page
*/
private convertStandardToFilePath(name: string): string {
const [first, second] = name.split(':');
const [title, subpage] = ((second) ? second : first).split('.')
const namespace = (second) ? first : undefined
return `${namespace ? `${namespace}/` : ''}${title}${subpage ? `.${subpage}` : ''}.wiki`
}
}
export type Page = {
html?: string;
raw?: string;
standardName: string,
buildTime: number;
metadata: PageMetadata;
};
export type PageMetadata = {
displayTitle?: string;
sortOrder?: number;
showTitle?: boolean;
includeInNavbar?: boolean;
};
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