From 644f6900f2f05d6a92f0c418224ef047d77dfc12 Mon Sep 17 00:00:00 2001
From: hywax <a.hywax@gmail.com>
Date: Fri, 29 Dec 2023 01:00:26 +0500
Subject: [PATCH] chore(skeleton): obtaining and customizing application config

---
 server/utils/config.ts   | 56 ++++++++++++++++++++++++++++++++++++++++
 server/utils/services.ts | 24 +++++++++++++++++
 2 files changed, 80 insertions(+)
 create mode 100644 server/utils/config.ts
 create mode 100644 server/utils/services.ts

diff --git a/server/utils/config.ts b/server/utils/config.ts
new file mode 100644
index 0000000..53833ce
--- /dev/null
+++ b/server/utils/config.ts
@@ -0,0 +1,56 @@
+import fs from 'node:fs'
+import crypto from 'node:crypto'
+import yaml from 'yaml'
+import type { BaseService, Config } from '~/types'
+
+export function getLocalConfig(): Config | null {
+  try {
+    if (!fs.existsSync('assets/config.yaml')) {
+      return null
+    }
+
+    const config = yaml.parse(fs.readFileSync('assets/config.yaml', 'utf8')) || {}
+    const services = Object
+      .entries<Omit<BaseService, 'id'>[]>((config.services || []))
+      .reduce<Config['services']>((acc, [title, items]) => {
+        acc.push({
+          title,
+          items: items.map((item) => ({ ...item, id: crypto.randomUUID() })),
+        })
+
+        return acc
+      }, [])
+
+    return {
+      ...config,
+      services,
+    }
+  } catch (e) {
+    // ...
+  }
+
+  return null
+}
+
+/**
+ * Safely retrieves a list of services for frontend.
+ * Omit "secrets" fields.
+ */
+export function extractSafelyConfig(config: Config) {
+  return JSON.parse(JSON.stringify(
+    config, (key, val) => key === 'secrets' ? undefined : val,
+  ))
+}
+
+/**
+ * Create Map services
+ */
+export function extractServicesFromConfig(config: Config): Record<string, BaseService> {
+  return config.services.reduce<Record<string, BaseService>>((acc, group) => {
+    for (const item of group.items) {
+      acc[item.id] = item
+    }
+
+    return acc
+  }, {})
+}
diff --git a/server/utils/services.ts b/server/utils/services.ts
new file mode 100644
index 0000000..8c278ca
--- /dev/null
+++ b/server/utils/services.ts
@@ -0,0 +1,24 @@
+import type { H3Event } from 'h3'
+
+export async function getService<T>(event: H3Event): Promise<T> {
+  const { id } = getQuery<{ id?: string }>(event)
+
+  if (!id) {
+    throw createError({
+      statusCode: 400,
+      statusMessage: 'ID can not be null',
+    })
+  }
+
+  const storage = useStorage()
+  const services = await storage.getItem<Record<string, T>>('services')
+
+  if (!services || !Object.hasOwn(services, id)) {
+    throw createError({
+      statusCode: 404,
+      statusMessage: `Service with ID "${id}" does not exist`,
+    })
+  }
+
+  return services[id]
+}