模块管理器

hydro/lib/hpm.js

@@ -0,0 +1,39 @@
+/* eslint-disable import/no-dynamic-require */
+/* eslint-disable no-await-in-loop */
+/* eslint-disable no-eval */
+const fs = require('fs');
+const zlib = require('zlib');
+const path = require('path');
+const yaml = require('js-yaml');
+const download = require('./download');
+
+function root(name) {
+    return path.resolve(process.cwd(), name);
+}
+
+async function getInstalled() {
+    const files = fs.readdirSync(root('.build/module'));
+    const installed = [];
+    for (const file of files) {
+        if (file.endsWith('.hydro-module')) {
+            const f = fs.readFileSync(root(`.build/module/${file}`));
+            const s = fs.statSync(root(`.build/module/${file}`));
+            installed.push({
+                ...yaml.safeLoad(zlib.gunzipSync(f)),
+                id: file.split('.')[0],
+                size: s.size,
+            });
+        }
+    }
+    return installed;
+}
+
+async function del(id) {
+    fs.unlinkSync(root(`.build/module/${id}.hydro-module`));
+}
+
+async function install(id, url) {
+    await download(url, root(`module/${id}.hydro-module`));
+}
+
+module.exports = { getInstalled, del, install };

hydro/lib/misc.js

@@ -36,7 +36,7 @@ exports.paginate = function* paginate(page, numPages) {
     yield ['last', numPages];
 };
 
-exports.format_size = function formatSize(size, base = 1) {
+exports.size = function formatSize(size, base = 1) {
     size *= base;
     const unit = 1024;
     const unitNames = ['Bytes', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];

hydro/lib/nav.js

@@ -13,6 +13,6 @@ Item('/p', 'problem_main', 'problem', permission.PERM_VIEW_PROBLEM);
 Item('/t', 'training_main', 'training', permission.PERM_VIEW_TRAINING);
 Item('/discuss', 'discussion_main', 'discussion', permission.PERM_VIEW_DISCUSSION);
 Item('/c', 'contest_main', 'contest', permission.PERM_VIEW_CONTEST);
-Item('/manage', 'domain_manage', 'domain_manage', permission.PERM_MANAGE);
+Item('/manage', 'manage', 'manage', permission.PERM_MANAGE);
 
 global.Hydro.lib.nav = module.exports = Item;