feat: add dictionary management functionality

services/dictionaries.ts

@@ -0,0 +1,60 @@
+import { readdir } from "node:fs/promises"
+import { join } from "node:path"
+
+const DICTIONARIES_PATH = join(process.cwd(), "data", "dictionaries")
+
+export const sanitizeDictionaryName = (name: string) => {
+  return name.replace(/[^a-zA-Z0-9_]/g, "_")
+}
+
+export const createDictionary = async (name: string, content: string): Promise<string> => {
+  const dictionaryName = sanitizeDictionaryName(name)
+  const path = join(DICTIONARIES_PATH, `${dictionaryName}.txt`)
+  const file = Bun.file(path)
+
+  if (await file.exists()) {
+    throw new Error(`Dictionary "${dictionaryName}" already exists`)
+  }
+
+  await file.write(content)
+  return dictionaryName
+}
+
+export const readDictionary = async (name: string): Promise<string> => {
+  const path = join(DICTIONARIES_PATH, `${sanitizeDictionaryName(name)}.txt`)
+  const file = Bun.file(path)
+
+  if (!(await file.exists())) {
+    throw new Error(`Dictionary "${name === "" || name === undefined ? "undefined" : name}" does not exist`)
+  }
+  return Bun.file(path).text()
+}
+
+export const listDictionaries = async (): Promise<string[]> => {
+  const files = await readdir(DICTIONARIES_PATH, { recursive: true })
+
+  return files.map((file) => file.replace(".txt", ""))
+}
+
+export const updateDictionary = async (name: string, content: string): Promise<void> => {
+  const path = join(DICTIONARIES_PATH, `${sanitizeDictionaryName(name)}.txt`)
+
+  const file = Bun.file(path)
+
+  if (!(await file.exists())) {
+    throw new Error(`Dictionary "${name}" does not exist`)
+  }
+
+  await file.write(content)
+}
+
+export const deleteDictionary = async (name: string): Promise<void> => {
+  const path = join(DICTIONARIES_PATH, `${sanitizeDictionaryName(name)}.txt`)
+
+  const file = Bun.file(path)
+  if (!(await file.exists())) {
+    throw new Error(`Dictionary "${name}" does not exist`)
+  }
+
+  await file.delete()
+}