取消统一转发Dify请求,改为由客户端直接发送

This commit is contained in:
pingchuan
2025-07-01 15:54:28 +08:00
parent d4846869eb
commit ce851cc448
13 changed files with 12749 additions and 249 deletions
+259 -185
View File
@@ -6,9 +6,10 @@ import { unicodeToChar } from '../utils/chat-utils';
const baseOptions = {
method: 'GET',
mode: 'cors' as RequestMode,
credentials: 'include' as RequestCredentials,
credentials: 'omit' as RequestCredentials,
headers: new Headers({
'Content-Type': ContentType.json,
'Authorization': `Bearer ${CHAT_CONFIG.API_KEY}`,
}),
redirect: 'follow' as RequestRedirect,
};
@@ -300,101 +301,71 @@ const handleStream = (
read();
};
// 基础Fetch函数
// 基础请求函数
const baseFetch = (url: string, fetchOptions: any, needAllResponseContent: boolean = false) => {
const options = Object.assign({}, baseOptions, fetchOptions);
// 构建完整URL - 修复重复的/v1问题
// CHAT_CONFIG.API_URL 已经包含了 /v1,所以不需要再添加 API_PREFIX
let urlWithPrefix = `${CHAT_CONFIG.API_URL}/${url.replace(/^\//, '')}`;
// 直接构建Dify API URL
const urlWithPrefix = `${CHAT_CONFIG.API_URL}/${url.replace(/^\//, '')}`;
const { method, params, body } = options;
// 处理GET请求的查询参数
if (method === 'GET' && params) {
const paramsArray: string[] = [];
Object.keys(params).forEach(key =>
paramsArray.push(`${key}=${encodeURIComponent(params[key])}`),
);
if (urlWithPrefix.search(/\?/) === -1)
urlWithPrefix += `?${paramsArray.join('&')}`;
else
urlWithPrefix += `&${paramsArray.join('&')}`;
delete options.params;
}
// 处理请求体
if (body && typeof body === 'object')
options.body = JSON.stringify(body);
// 添加认证头
if (!options.headers)
options.headers = {};
if (CHAT_CONFIG.API_KEY) {
// 确保Authorization头存在
if (CHAT_CONFIG.API_KEY && options.headers) {
options.headers['Authorization'] = `Bearer ${CHAT_CONFIG.API_KEY}`;
}
return Promise.race([
new Promise((resolve, reject) => {
setTimeout(() => {
reject(new Error('请求超时'));
}, SSE_TIMEOUT);
}),
new Promise((resolve, reject) => {
fetch(urlWithPrefix, options)
.then((res: Response) => {
const resClone = res.clone();
const { body } = options;
if (body && typeof body === 'object') {
// 为所有请求添加user参数
const bodyWithUser = {
...body,
user: CHAT_CONFIG.generateUserId(),
};
options.body = JSON.stringify(bodyWithUser);
}
// console.log('📥 API Response:', {
// status: res.status,
// statusText: res.statusText,
// url: urlWithPrefix
// });
// 错误处理
if (!/^(2|3)\d{2}$/.test(res.status.toString())) {
try {
const bodyJson = res.json();
switch (res.status) {
case 401:
console.error('❌ Invalid token');
break;
default:
bodyJson.then((data: any) => {
console.error('❌ API Error:', data.message);
});
}
}
catch (e) {
console.error('❌ Response Error:', e);
}
return Promise.reject(resClone);
}
// 处理删除API204状态码)
if (res.status === 204) {
resolve({ result: 'success' });
return;
}
// 返回数据
const contentType = res.headers.get('Content-Type') || '';
const data = contentType.includes('application/octet-stream') ? res.blob() : res.json();
resolve(needAllResponseContent ? resClone : data);
})
.catch((err) => {
console.error('❌ Fetch Error:', err);
reject(err);
return fetch(urlWithPrefix, options)
.then((res: Response) => {
if (!res.ok) {
console.error('❌ Request failed:', {
status: res.status,
statusText: res.statusText,
url: urlWithPrefix
});
}),
]);
if (res.status === 422) {
return res.text().then(text => {
let errorMessage = text;
try {
const data = JSON.parse(text);
errorMessage = data.message || data.error || text;
} catch (e) {
// 如果不是JSON,使用原始文本
}
throw new Error(errorMessage);
});
}
throw new Error(`${res.status}: ${res.statusText}`);
}
if (needAllResponseContent) {
return res.text().then(text => {
try {
return JSON.parse(text);
} catch (e) {
return text;
}
});
}
const data = res.json();
return data;
})
.catch((err) => {
console.error('❌ Request error:', err.message);
throw err;
});
};
// SSE POST 请求
// SSE请求处理
export const ssePost = (
url: string,
fetchOptions: any,
@@ -430,10 +401,9 @@ export const ssePost = (
method: 'POST',
}, fetchOptions);
// 修复URL构建逻辑,与baseFetch保持一致
// 直接构建Dify API URL
const urlWithPrefix = `${CHAT_CONFIG.API_URL}/${url.replace(/^\//, '')}`;
const controller = new AbortController();
if (getAbortController)
getAbortController(controller);
@@ -442,25 +412,28 @@ export const ssePost = (
...options.headers,
'Content-Type': 'application/json',
'Accept': ContentType.stream,
'Authorization': `Bearer ${CHAT_CONFIG.API_KEY}`,
};
if (CHAT_CONFIG.API_KEY) {
options.headers['Authorization'] = `Bearer ${CHAT_CONFIG.API_KEY}`;
}
options.signal = controller.signal;
const { body } = options;
if (body && typeof body === 'object')
options.body = JSON.stringify(body);
if (body && typeof body === 'object') {
// 为SSE请求添加user参数
const bodyWithUser = {
...body,
user: CHAT_CONFIG.generateUserId(),
};
options.body = JSON.stringify(bodyWithUser);
}
return fetch(urlWithPrefix, options)
.then((res: Response) => {
// console.log('📡 SSE Response:', {
// status: res.status,
// statusText: res.statusText,
// url: urlWithPrefix
// });
console.log('📡 SSE Response:', {
status: res.status,
statusText: res.statusText,
url: urlWithPrefix
});
if (!/^(2|3)\d{2}$/.test(res.status.toString())) {
res.json().then((data: any) => {
@@ -491,6 +464,194 @@ export const ssePost = (
});
};
// 获取会话列表
export const fetchConversations = async () => {
const user = CHAT_CONFIG.generateUserId();
const params = new URLSearchParams({
user,
limit: '100',
first_id: '',
});
return fetch(`${CHAT_CONFIG.API_URL}/conversations?${params}`, {
method: 'GET',
headers: {
'Authorization': `Bearer ${CHAT_CONFIG.API_KEY}`,
},
}).then(res => {
if (!res.ok) {
throw new Error(`Failed to fetch conversations: ${res.status}`);
}
return res.json();
});
};
// 获取聊天消息列表
export const fetchChatList = async (conversationId: string) => {
const user = CHAT_CONFIG.generateUserId();
const params = new URLSearchParams({
user,
conversation_id: conversationId,
limit: '20',
last_id: '',
});
return fetch(`${CHAT_CONFIG.API_URL}/messages?${params}`, {
method: 'GET',
headers: {
'Authorization': `Bearer ${CHAT_CONFIG.API_KEY}`,
},
}).then(res => {
if (!res.ok) {
throw new Error(`Failed to fetch chat list: ${res.status}`);
}
return res.json();
});
};
// 获取应用参数
export const fetchAppParams = async () => {
return fetch(`${CHAT_CONFIG.API_URL}/parameters`, {
method: 'GET',
headers: {
'Authorization': `Bearer ${CHAT_CONFIG.API_KEY}`,
},
}).then(res => {
if (!res.ok) {
throw new Error(`Failed to fetch app params: ${res.status}`);
}
return res.json();
});
};
// 更新反馈
export const updateFeedback = async ({ url, body }: { url: string; body: Feedbacktype }) => {
const messageId = url.split('/').pop(); // 从URL中提取messageId
return fetch(`${CHAT_CONFIG.API_URL}/messages/${messageId}/feedbacks`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Authorization': `Bearer ${CHAT_CONFIG.API_KEY}`,
},
body: JSON.stringify({
...body,
user: CHAT_CONFIG.generateUserId(),
}),
}).then(res => {
if (!res.ok) {
throw new Error(`Failed to update feedback: ${res.status}`);
}
return res.json();
});
};
// 生成会话名称
export const generateConversationName = async (id: string) => {
return fetch(`${CHAT_CONFIG.API_URL}/conversations/${id}/name`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Authorization': `Bearer ${CHAT_CONFIG.API_KEY}`,
},
body: JSON.stringify({
auto_generate: true,
user: CHAT_CONFIG.generateUserId(),
}),
}).then(res => {
if (!res.ok) {
throw new Error(`Failed to generate conversation name: ${res.status}`);
}
return res.json();
});
};
// 重命名会话
export const renameConversation = async (id: string, name: string, autoGenerate: boolean = false) => {
return fetch(`${CHAT_CONFIG.API_URL}/conversations/${id}/name`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Authorization': `Bearer ${CHAT_CONFIG.API_KEY}`,
},
body: JSON.stringify({
name: autoGenerate ? undefined : name,
auto_generate: autoGenerate,
user: CHAT_CONFIG.generateUserId(),
}),
}).then(res => {
if (!res.ok) {
throw new Error(`Failed to rename conversation: ${res.status}`);
}
return res.json();
});
};
// 删除会话
export const deleteConversation = async (id: string) => {
return fetch(`${CHAT_CONFIG.API_URL}/conversations/${id}`, {
method: 'DELETE',
headers: {
'Content-Type': 'application/json',
'Authorization': `Bearer ${CHAT_CONFIG.API_KEY}`,
},
body: JSON.stringify({
user: CHAT_CONFIG.generateUserId(),
}),
}).then(res => {
if (!res.ok) {
throw new Error(`Failed to delete conversation: ${res.status}`);
}
return res.json();
});
};
// 文件上传
export const upload = (fetchOptions: any): Promise<any> => {
const urlWithPrefix = `${CHAT_CONFIG.API_URL}/files/upload`;
const defaultOptions = {
method: 'POST',
url: urlWithPrefix,
data: {},
};
const options = {
...defaultOptions,
...fetchOptions,
};
return new Promise((resolve, reject) => {
const xhr = options.xhr;
xhr.open(options.method, options.url);
for (const key in options.headers)
xhr.setRequestHeader(key, options.headers[key]);
if (CHAT_CONFIG.API_KEY) {
xhr.setRequestHeader('Authorization', `Bearer ${CHAT_CONFIG.API_KEY}`);
}
// 添加user参数到formData
if (options.data instanceof FormData) {
options.data.append('user', CHAT_CONFIG.generateUserId());
}
xhr.withCredentials = false; // 改为false,因为直接调用Dify API
xhr.onreadystatechange = function () {
if (xhr.readyState === 4) {
if (xhr.status === 200)
resolve({ id: xhr.response });
else
reject(new Error(xhr.responseText || 'Upload failed'));
}
};
xhr.upload.onprogress = options.onprogress;
xhr.send(options.data);
});
};
// 公共请求函数
export const request = (url: string, options = {}, needAllResponseContent = false) => {
return baseFetch(url, { ...baseOptions, ...options }, needAllResponseContent);
@@ -566,91 +727,4 @@ export const sendChatMessage = async (
onWorkflowFinished,
onNodeFinished
});
};
// 获取会话列表
export const fetchConversations = async () => {
return get('conversations', {
params: { limit: 100, first_id: '' },
});
};
// 获取聊天消息列表
export const fetchChatList = async (conversationId: string) => {
return get('messages', {
params: { conversation_id: conversationId, limit: 20, last_id: '' },
});
};
// 获取应用参数
export const fetchAppParams = async () => {
return get('parameters');
};
// 更新反馈
export const updateFeedback = async ({ url, body }: { url: string; body: Feedbacktype }) => {
return post(url, { body });
};
// 生成会话名称
export const generateConversationName = async (id: string) => {
return post(`conversations/${id}/name`, {
body: { auto_generate: true },
});
};
// 重命名会话
export const renameConversation = async (id: string, name: string, autoGenerate: boolean = false) => {
return post(`conversations/${id}/name`, {
body: {
name: autoGenerate ? undefined : name,
auto_generate: autoGenerate
},
});
};
// 删除会话
export const deleteConversation = async (id: string) => {
return del(`conversations/${id}`);
};
// 文件上传
export const upload = (fetchOptions: any): Promise<any> => {
const urlPrefix = CHAT_CONFIG.API_PREFIX;
const urlWithPrefix = `${CHAT_CONFIG.API_URL}${urlPrefix}/file-upload`;
const defaultOptions = {
method: 'POST',
url: urlWithPrefix,
data: {},
};
const options = {
...defaultOptions,
...fetchOptions,
};
return new Promise((resolve, reject) => {
const xhr = options.xhr;
xhr.open(options.method, options.url);
for (const key in options.headers)
xhr.setRequestHeader(key, options.headers[key]);
if (CHAT_CONFIG.API_KEY) {
xhr.setRequestHeader('Authorization', `Bearer ${CHAT_CONFIG.API_KEY}`);
}
xhr.withCredentials = true;
xhr.onreadystatechange = function () {
if (xhr.readyState === 4) {
if (xhr.status === 200)
resolve({ id: xhr.response });
else
reject(xhr);
}
};
xhr.upload.onprogress = options.onprogress;
xhr.send(options.data);
});
};