feat: adaptation of baidu

Author: wensonsmith

src/adapters/baidu.ts

@@ -1,34 +1,88 @@
-import { Adapter, Result } from './adapter'
-
+import { Adapter, Result } from "./adapter";
+import md5 from "../libs/md5";
 
 class Baidu implements Adapter {
+  key: string;
+
+  secret: string;
 
-  key: string
+  word: string = "";
 
-  secret: string
+  isChinese: boolean = false;
 
-  word: string = ''
+  results: Result[] = [];
 
-  isChinese: boolean = false
+  phonetic: string = "";
 
   constructor(key: string, secret: string) {
-    this.key = key
-    this.secret = secret
+    this.key = key;
+    this.secret = secret;
   }
 
   url(word: string): string {
-    this.isChinese = this.detectChinese(word)
-    return 'http://openapi.youdao.com/api'
+    this.isChinese = this.detectChinese(word);
+    this.word = word;
+
+    const from = this.isChinese ? "zh" : "auto";
+    const to = this.isChinese ? "en" : "zh";
+    const salt = Math.floor(Math.random() * 10000).toString();
+    const sign = md5(`${this.key}${word}${salt}${this.secret}`);
+
+    const params = new URLSearchParams({
+      q: word,
+      from,
+      to,
+      appid: this.key,
+      salt,
+      sign,
+      dict: '1',
+      action: '1',
+    });
+
+    return "https://fanyi-api.baidu.com/api/trans/vip/translate?" + params.toString();
   }
 
-  parse (response: any): Result[] {
-    return []
+  parse(data: any): Result[] {
+    if (data.error_code) {
+      return this.parseError(data.error_code);
+    }
+    
+    const { trans_result:result } = data;
+    result.forEach(item => {
+      const pronounce = this.isChinese ? item.dst : this.word;
+      this.addResult(item.dst, item.src, pronounce, pronounce);
+    });
+
+    return this.results;
   }
-  
-  private detectChinese(word: string): boolean {
-    return /^[\u4e00-\u9fa5]+$/.test(word)
+
+  private parseError(code: number): Result[] {
+    const messages = {
+      54000: "缺少必填的参数",
+      58001: "不支持的语言类型",
+      54005: "翻译文本过长",
+      52003: "应用ID无效",
+      58002: "无相关服务的有效实例",
+      90107: "开发者账号无效",
+      54001: "签名检验失败,检查 KEY 和 SECRET",
+      54004: "账户已经欠费",
+      54003: "访问频率受限",
+    };
+
+    const message = messages[code] || "请参考错误码：" + code;
+
+    return this.addResult("👻 翻译出错啦", message, "Ooops...");
   }
 
+  private addResult( title: string, subtitle: string, arg: string = "", pronounce: string = ""): Result[] {
+    const quicklookurl = "https://fanyi.baidu.com/#auto/auto/" + this.word;
+    this.results.push({ title, subtitle, arg, pronounce, quicklookurl });
+    return this.results;
+  }
+
+  private detectChinese(word: string): boolean {
+    return /^[\u4e00-\u9fa5]+$/.test(word);
+  }
 }
 
-export default Baidu
+export default Baidu;