79 lines
2.1 KiB
TypeScript
79 lines
2.1 KiB
TypeScript
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import { Plug } from "../../plugos/plug.ts";
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import { FileMeta } from "../types.ts";
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import { FileData, FileEncoding, SpacePrimitives } from "./space_primitives.ts";
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import type { SysCallMapping } from "../../plugos/system.ts";
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// Enriches the file list listing with custom metadata from the page index
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export class FileMetaSpacePrimitives implements SpacePrimitives {
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constructor(
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private wrapped: SpacePrimitives,
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private indexSyscalls: SysCallMapping,
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) {
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}
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async fetchFileList(): Promise<FileMeta[]> {
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const list = await this.wrapped.fetchFileList();
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// Enrich the file list with custom meta data (for pages)
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const allFilesMap: Map<string, any> = new Map(
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list.map((fm) => [fm.name, fm]),
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);
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for (
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const { page, value } of await this.indexSyscalls["index.queryPrefix"](
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{} as any,
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"meta:",
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)
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) {
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const p = allFilesMap.get(`${page}.md`);
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if (p) {
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for (const [k, v] of Object.entries(value)) {
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if (
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["name", "lastModified", "size", "perm", "contentType"].includes(k)
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) {
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continue;
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}
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p[k] = v;
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}
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}
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}
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return [...allFilesMap.values()];
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}
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readFile(
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name: string,
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encoding: FileEncoding,
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): Promise<{ data: FileData; meta: FileMeta }> {
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return this.wrapped.readFile(name, encoding);
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}
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getFileMeta(name: string): Promise<FileMeta> {
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return this.wrapped.getFileMeta(name);
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}
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writeFile(
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name: string,
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encoding: FileEncoding,
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data: FileData,
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selfUpdate?: boolean | undefined,
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): Promise<FileMeta> {
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return this.wrapped.writeFile(name, encoding, data, selfUpdate);
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}
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deleteFile(name: string): Promise<void> {
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return this.wrapped.deleteFile(name);
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}
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// deno-lint-ignore no-explicit-any
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proxySyscall(plug: Plug<any>, name: string, args: any[]): Promise<any> {
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return this.wrapped.proxySyscall(plug, name, args);
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}
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invokeFunction(
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plug: Plug<any>,
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env: string,
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name: string,
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args: any[],
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): Promise<any> {
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return this.wrapped.invokeFunction(plug, env, name, args);
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}
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}
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