完善投稿功能

front/src/api.ts

@@ -89,3 +89,76 @@ export const saveDraft = (content: string): void => {
 export const getDraft = (): string | null => {
   return localStorage.getItem('draft');
 };
+
+export const fetch_id_token = async (): Promise<string> => {
+  try {
+    const response = await fetch('/api/get_id_token');
+    if (!response.ok) {
+        throw new Error(`HTTP error! status: ${response.status}`);
+    }
+    const json = await response.json();
+    if (json.code === 1000) {
+        return json.data;
+    } else {
+        throw new Error(json.data || 'Failed to fetch identity token');
+    }
+  } catch (error) {
+    console.error('Failed to fetch identity token:', error);
+    throw error;
+  }
+};
+
+export const get_id_token = async (): Promise<string> => {
+  let token = localStorage.getItem('identity_token');
+  if (!token) {
+    token = await fetch_id_token();
+    localStorage.setItem('identity_token', token);
+  }
+  return token;
+};
+
+export interface CreatePostResponse {
+    code: number;
+    data: any;
+}
+
+export const createPost = async (content: string): Promise<CreatePostResponse> => {
+    try {
+        const identity = await get_id_token();
+        
+        // 解析标签：#开头，后跟非空白字符
+        const hashtopic: string[] = [];
+        const regex = /#\S+/g;
+        const matches = content.match(regex);
+        if (matches) {
+            matches.forEach(tag => {
+                const cleanTag = tag.substring(1);
+                // 去重添加
+                if (!hashtopic.includes(cleanTag)) {
+                    hashtopic.push(cleanTag);
+                }
+            });
+        }
+
+        const response = await fetch('/api/post', {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+            },
+            body: JSON.stringify({
+                content,
+                hashtopic,
+                identity
+            }),
+        });
+
+        if (!response.ok) {
+            throw new Error(`HTTP error! status: ${response.status}`);
+        }
+        
+        return await response.json();
+    } catch (error) {
+        console.error('Failed to create post:', error);
+        throw error;
+    }
+};