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/*
Attn API and Types
*/
import * as d3 from "d3";
import URLHandler from "../utils/URLHandler";
import {cleanSpecials} from "../utils/Util";
import {AnalyzeResponse, AnalyzeResult, TokenWithOffset} from "./generatedSchemas";
export type FrontendToken = TokenWithOffset & { bpe_merged?: boolean };
export interface FrontendAnalyzeResult extends AnalyzeResult {
bpe_strings: FrontendToken[];
originalTokens: FrontendToken[];
mergedTokens: FrontendToken[];
originalToMergedMap: number[];
originalText: string; // 前端注入的原始文本（来自 request.text）
}
// AnalyzedText 已废弃，请使用 FrontendAnalyzeResult
export type AnalyzedText = FrontendAnalyzeResult; // @deprecated 使用 FrontendAnalyzeResult
// 类型别名：AnalysisData 用于 demo 存储场景（保存后的数据），AnalyzeResponse 用于 API 分析场景（保存前的数据）
export type AnalysisData = AnalyzeResponse;
export type { AnalyzeResponse, TokenWithOffset };
export class TextAnalysisAPI {
private adminToken: string | null = null;
constructor(private baseURL: string = null) {
if (this.baseURL == null) {
this.baseURL = URLHandler.basicURL();
}
}
/**
* 设置admin token
*/
public setAdminToken(token: string | null): void {
this.adminToken = token;
}
/**
* 获取请求头（如果有admin token，自动添加到请求头）
*/
private getHeaders(additionalHeaders?: Record<string, string>): Record<string, string> {
const headers: Record<string, string> = {
"Content-type": "application/json; charset=UTF-8",
...additionalHeaders
};
// 如果有admin token，自动添加
if (this.adminToken) {
headers['X-Admin-Token'] = this.adminToken;
}
return headers;
}
public list_demos(path?: string): Promise<{ path: string, items: Array<{type: 'folder'|'file', name: string, path: string}> }> {
const url = this.baseURL + '/api/list_demos' + (path ? `?path=${encodeURIComponent(path)}` : '');
return d3.json(url);
}
public save_demo(name: string, data: AnalyzeResponse, path: string = '/', overwrite: boolean = false): Promise<{ success: boolean, exists?: boolean, message?: string, file?: string }> {
return d3.json(this.baseURL + '/api/save_demo', {
method: "POST",
body: JSON.stringify({ name, data, path, overwrite }),
headers: this.getHeaders()
});
}
public delete_demo(file: string): Promise<{ success: boolean, message?: string }> {
return d3.json(this.baseURL + '/api/delete_demo', {
method: "POST",
body: JSON.stringify({ file }),
headers: this.getHeaders()
});
}
public move_demo(file: string, targetPath: string): Promise<{ success: boolean, message?: string }> {
return d3.json(this.baseURL + '/api/move_demo', {
method: "POST",
body: JSON.stringify({ file, target_path: targetPath }),
headers: this.getHeaders()
});
}
public move_folder(path: string, targetPath: string): Promise<{ success: boolean, message?: string }> {
return d3.json(this.baseURL + '/api/move_demo', {
method: "POST",
body: JSON.stringify({ path, target_path: targetPath }),
headers: this.getHeaders()
});
}
public rename_demo(file: string, newName: string): Promise<{ success: boolean, message?: string }> {
return d3.json(this.baseURL + '/api/rename_demo', {
method: "POST",
body: JSON.stringify({ file, new_name: newName }),
headers: this.getHeaders()
});
}
public rename_folder(path: string, newName: string): Promise<{ success: boolean, message?: string }> {
return d3.json(this.baseURL + '/api/rename_folder', {
method: "POST",
body: JSON.stringify({ path, new_name: newName }),
headers: this.getHeaders()
});
}
public delete_folder(path: string): Promise<{ success: boolean, message?: string }> {
return d3.json(this.baseURL + '/api/delete_folder', {
method: "POST",
body: JSON.stringify({ path }),
headers: this.getHeaders()
});
}
public list_all_folders(): Promise<{ folders: string[] }> {
return d3.json(this.baseURL + '/api/list_all_folders');
}
public create_folder(parentPath: string, folderName: string): Promise<{ success: boolean, message?: string }> {
return d3.json(this.baseURL + '/api/create_folder', {
method: "POST",
body: JSON.stringify({ parent_path: parentPath, folder_name: folderName }),
headers: this.getHeaders()
});
}
/**
* 构建分析请求的 payload
*/
private buildAnalyzePayload(
model: string,
text: string,
bitmask: number[] = null,
stream: boolean = false
): any {
const payload: any = {
model,
text: cleanSpecials(text)
};
if (bitmask) {
payload['bitmask'] = bitmask;
}
if (stream) {
payload['stream'] = true;
}
return payload;
}
public analyze(
model: string,
text: string,
bitmask: number[] = null,
stream: boolean = false,
onProgress?: (step: number, totalSteps: number, stage: string, percentage?: number) => void
): Promise<AnalyzeResponse> {
// 如果启用流式响应，使用SSE方式
if (stream) {
return this.analyzeWithProgress(model, text, onProgress);
}
// 否则使用传统的JSON响应
const payload = this.buildAnalyzePayload(model, text, bitmask, stream);
return d3.json(this.baseURL + '/api/analyze', {
method: "POST",
body: JSON.stringify(payload),
headers: {
"Content-type": "application/json; charset=UTF-8"
}
}).then((response: any) => {
// 检查统一的错误格式
if (response && response.success === false) {
throw new Error(response.message || '分析失败');
}
return response as AnalyzeResponse;
});
}
/**
* 从 URL 提取文本内容
*
* @param url 要提取文本的 URL
* @returns Promise<{success: boolean, text?: string, url?: string, char_count?: number, message?: string}>
*/
public fetchUrlText(url: string): Promise<{success: boolean, text?: string, url?: string, char_count?: number, message?: string}> {
return d3.json(this.baseURL + '/api/fetch_url', {
method: "POST",
body: JSON.stringify({ url }),
headers: {
"Content-type": "application/json; charset=UTF-8"
}
}).then((response: any) => {
// 检查统一的错误格式
if (response && response.success === false) {
throw new Error(response.message || 'URL 文本提取失败');
}
return response;
});
}
/**
* 获取可用模型列表
*/
public getAvailableModels(): Promise<{ success: boolean, models: string[] }> {
return d3.json(this.baseURL + '/api/available_models');
}
/**
* 获取当前模型
*/
public getCurrentModel(): Promise<{
success: boolean,
model: string,
loading: boolean,
device_type: 'cpu' | 'cuda' | 'mps',
use_int8: boolean,
use_bfloat16: boolean
}> {
return d3.json(this.baseURL + '/api/current_model');
}
/**
* 切换模型（需要管理员权限）
*/
public switchModel(
model: string,
use_int8?: boolean,
use_bfloat16?: boolean
): Promise<{ success: boolean, message?: string, model?: string }> {
return d3.json(this.baseURL + '/api/switch_model', {
method: "POST",
body: JSON.stringify({
model,
use_int8: use_int8 || false,
use_bfloat16: use_bfloat16 || false
}),
headers: this.getHeaders()
});
}
/**
* 使用SSE流式分析文本，支持进度回调（内部方法）
*
* @param model 模型名称
* @param text 要分析的文本
* @param onProgress 进度回调函数，接收 (step: number, totalSteps: number, stage: string, percentage?: number) 参数
* @returns Promise<AnalyzeResponse>
*/
private analyzeWithProgress(
model: string,
text: string,
onProgress?: (step: number, totalSteps: number, stage: string, percentage?: number) => void
): Promise<AnalyzeResponse> {
return new Promise((resolve, reject) => {
const payload = this.buildAnalyzePayload(model, text, null, true);
// 使用fetch发送POST请求，然后通过ReadableStream接收SSE
fetch(this.baseURL + '/api/analyze', {
method: 'POST',
headers: {
'Content-Type': 'application/json; charset=UTF-8'
},
body: JSON.stringify(payload)
}).then(response => {
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const reader = response.body.getReader();
const decoder = new TextDecoder();
let buffer = '';
const readChunk = (): Promise<void> => {
return reader.read().then(({ done, value }) => {
if (done) {
if (buffer.trim()) {
// 处理剩余的缓冲区数据
this.processSSEMessage(buffer, onProgress, resolve, reject);
}
return;
}
buffer += decoder.decode(value, { stream: true });
const lines = buffer.split('\n');
buffer = lines.pop() || ''; // 保留最后不完整的行
for (const line of lines) {
if (line.startsWith('data: ')) {
const data = line.slice(6); // 移除 'data: ' 前缀
this.processSSEMessage(data, onProgress, resolve, reject);
}
}
return readChunk();
});
};
return readChunk();
}).catch(error => {
reject(error);
});
});
}
/**
* 处理SSE消息
*/
private processSSEMessage(
data: string,
onProgress: (step: number, totalSteps: number, stage: string, percentage?: number) => void,
resolve: (value: AnalyzeResponse) => void,
reject: (reason?: any) => void
): void {
try {
const parsed = JSON.parse(data);
if (parsed.type === 'progress') {
// 进度更新
if (onProgress) {
onProgress(parsed.step, parsed.total_steps, parsed.stage, parsed.percentage);
}
} else if (parsed.type === 'result') {
// 最终结果，检查统一的错误格式
const resultData = parsed.data;
if (resultData && resultData.success === false) {
reject(new Error(resultData.message || '分析失败'));
} else {
resolve(resultData as AnalyzeResponse);
}
} else if (parsed.type === 'error') {
// 错误
reject(new Error(parsed.message || '分析失败'));
}
} catch (e) {
// 忽略解析错误（可能是部分数据）
console.warn('Failed to parse SSE message:', e, data);
}
}
}
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