92 lines
2.5 KiB
TypeScript
92 lines
2.5 KiB
TypeScript
|
import { readdir, readFile, stat, unlink, writeFile } from "fs/promises";
|
||
|
import * as path from "path";
|
||
|
import { PageMeta } from "./types";
|
||
|
|
||
|
export class DiskStorage {
|
||
|
rootPath: string;
|
||
|
|
||
|
constructor(rootPath: string) {
|
||
|
this.rootPath = rootPath;
|
||
|
}
|
||
|
|
||
|
async listPages(): Promise<PageMeta[]> {
|
||
|
let fileNames: PageMeta[] = [];
|
||
|
|
||
|
const walkPath = async (dir: string) => {
|
||
|
let files = await readdir(dir);
|
||
|
for (let file of files) {
|
||
|
const fullPath = path.join(dir, file);
|
||
|
let s = await stat(fullPath);
|
||
|
if (s.isDirectory()) {
|
||
|
await walkPath(fullPath);
|
||
|
} else {
|
||
|
if (path.extname(file) === ".md") {
|
||
|
fileNames.push({
|
||
|
name: fullPath.substring(
|
||
|
this.rootPath.length + 1,
|
||
|
fullPath.length - 3
|
||
|
),
|
||
|
lastModified: s.mtime.getTime(),
|
||
|
});
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
};
|
||
|
await walkPath(this.rootPath);
|
||
|
return fileNames;
|
||
|
}
|
||
|
|
||
|
async readPage(pageName: string): Promise<{ text: string; meta: PageMeta }> {
|
||
|
const localPath = path.join(this.rootPath, pageName + ".md");
|
||
|
try {
|
||
|
const s = await stat(localPath);
|
||
|
return {
|
||
|
text: await readFile(localPath, "utf8"),
|
||
|
meta: {
|
||
|
name: pageName,
|
||
|
lastModified: s.mtime.getTime(),
|
||
|
},
|
||
|
};
|
||
|
} catch (e) {
|
||
|
// console.error("Error while writing page", pageName, e);
|
||
|
throw Error(`Could not read page ${pageName}`);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
async writePage(pageName: string, text: string): Promise<PageMeta> {
|
||
|
let localPath = path.join(this.rootPath, pageName + ".md");
|
||
|
try {
|
||
|
await writeFile(localPath, text);
|
||
|
|
||
|
// console.log(`Wrote to ${localPath}`);
|
||
|
const s = await stat(localPath);
|
||
|
return {
|
||
|
name: pageName,
|
||
|
lastModified: s.mtime.getTime(),
|
||
|
};
|
||
|
} catch (e) {
|
||
|
console.error("Error while writing page", pageName, e);
|
||
|
throw Error(`Could not write ${pageName}`);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
async getPageMeta(pageName: string): Promise<PageMeta> {
|
||
|
let localPath = path.join(this.rootPath, pageName + ".md");
|
||
|
try {
|
||
|
const s = await stat(localPath);
|
||
|
return {
|
||
|
name: pageName,
|
||
|
lastModified: s.mtime.getTime(),
|
||
|
};
|
||
|
} catch (e) {
|
||
|
console.error("Error while getting page meta", pageName, e);
|
||
|
throw Error(`Could not get meta for ${pageName}`);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
async deletePage(pageName: string) {
|
||
|
let localPath = path.join(this.rootPath, pageName + ".md");
|
||
|
await unlink(localPath);
|
||
|
}
|
||
|
}
|