feat: 添加图文回复关联问题

- 启用关联问题后，图文回复直接链接至对应问题页面

src/index.ts

@@ -2,7 +2,7 @@ import { defineEndpoint } from "@directus/extensions-sdk";
 import { parseDecryptedXML, parseWechatEncryptMessage } from "./utils/wechatXmlParser";
 import { verifyEncrypt, verifySignature } from "./utils/verification";
 import { WechatCrypto } from "./utils/wechatCrypto";
-import { WechatReply } from "./types/directus-schema";
+import { Question, WechatReply } from "./types/directus-schema";
 import { WechatReplyBuilder } from "./utils/wechatReplyBuilder";
 import { WechatEncryptBuilder } from "./utils/wechatEncryptBuilder";
 
@@ -93,24 +93,58 @@ export default defineEndpoint({
             const textItem = firstReply.item as { content: string };
             reply = replyBuilder.buildTextReply(textItem.content);
           } else if (firstReply && firstReply.collection === 'wechat_link_replies') {
-            const linkItem = firstReply.item as unknown as { title: string; description: string; url: string; pic_url: string; link_with_questions: boolean; related_question?: string; };
+            const linkItem = firstReply.item as unknown as { title: string; description: string; url: string; thumbnail: string; link_with_questions: boolean; related_question?: string; };
-            console.log("Link Item:", linkItem);
+            if (!linkItem.link_with_questions) {
               // 构造图文消息XML
               reply = replyBuilder.buildNewsReply(
                 linkItem.title,
                 linkItem.description,
-              linkItem.pic_url,
+                linkItem.thumbnail,
                 linkItem.url
               );
+            } else {
+              const questionId = linkItem.related_question ?? undefined;
+              if (!questionId) {
+                replyContent = "未找到匹配的回复内容";
+              } else {
+                // 查询相关问题
+                const questionService = new ItemsService<Question>('questions', { schema: await getSchema() });
+                try {
+                  const question = await questionService.readOne(questionId, {
+                    fields: ['translations.*'],
+                  });
+                  // 查询翻译内容，优先中文
+                  const translation = question.translations.find(t => t.languages_code === 'zh-CN') || question.translations[0];
+                  if (!translation) {
+                    throw new Error("未找到问题翻译内容");
+                  }
+
+                  const baseUrl = env.WECHAT_WEBSITE_URL ?? undefined;
+
+                  // 构造图文消息XML
+                  reply = replyBuilder.buildNewsReply(
+                    '常见问题',
+                    translation.title,
+                    baseUrl ? `${baseUrl}/api/assets/${linkItem.thumbnail}` : linkItem.thumbnail,
+                    baseUrl ? `${baseUrl}/support/faq?focus=${questionId}` : linkItem.url,
+                  );
+                  console.log(reply);
+
+                } catch (err) {
+                  replyContent = "未找到匹配的回复内容";
+                }
+              }
+
+            }
+
           } else {
             replyContent = "未找到匹配的回复内容";
             reply = undefined;
           }
         }
-        console.log("Matched Replies:", replies);
       }
 
-      if(!reply) {
+      if (!reply) {
         reply = replyBuilder.buildTextReply('未找到匹配的回复内容');
       }
 

src/types/directus-schema.ts

@@ -1,3 +1,27 @@
+/**
+ * 相关问题类型
+ */
+export interface Question {
+    /** 唯一标识符 */
+    id: string;
+    
+    translations: QuestionTranslation[];
+}
+
+/**
+ * 相关问题翻译类型
+ */
+export interface QuestionTranslation {
+    /** 唯一标识符 */
+    id: string;
+    /** 语言代码 */
+    languages_code: string;
+    /** 问题标题 */
+    title: string;
+    /** 问题内容 */
+    content: string;
+}
+
 /**
  * 微信回复消息类型——文本消息
  */
@@ -14,7 +38,7 @@ export interface WechatLinkReply {
     title: string;
     description: string;
     url: string;
-    pic_url: string;
+    thumbnail: string;
     link_with_questions: boolean;
     related_question?: string;
 }