611 lines
22 KiB
Python
611 lines
22 KiB
Python
#!/usr/bin/env python3
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"""
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AI Chat App - 后台管理服务
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端口: 19020 (与前端同一端口)
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"""
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from flask import Flask, jsonify, request, send_from_directory
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from flask_cors import CORS
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import os
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import json
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import sqlite3
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from datetime import datetime
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import hashlib
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app = Flask(__name__, static_folder='../www')
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CORS(app)
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# 数据库路径
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DB_PATH = os.path.join(os.path.dirname(__file__), 'data.db')
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# 管理员账户（默认）
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ADMIN_USERNAME = 'admin'
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ADMIN_PASSWORD_HASH = hashlib.sha256('admin123'.encode()).hexdigest()
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def get_db():
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"""获取数据库连接"""
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conn = sqlite3.connect(DB_PATH)
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conn.row_factory = sqlite3.Row
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return conn
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def init_db():
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"""初始化数据库"""
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conn = get_db()
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cursor = conn.cursor()
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# 大模型接口配置表
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cursor.execute('''
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CREATE TABLE IF NOT EXISTS llm_configs (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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name TEXT NOT NULL,
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provider TEXT NOT NULL,
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api_url TEXT NOT NULL,
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api_key TEXT NOT NULL,
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model TEXT NOT NULL,
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max_tokens INTEGER DEFAULT 2048,
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temperature REAL DEFAULT 0.7,
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is_default INTEGER DEFAULT 0,
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is_active INTEGER DEFAULT 1,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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)
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''')
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# 智能体配置表
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cursor.execute('''
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CREATE TABLE IF NOT EXISTS agents (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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agent_id TEXT NOT NULL UNIQUE,
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name TEXT NOT NULL,
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avatar TEXT DEFAULT '🤖',
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category TEXT NOT NULL,
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description TEXT,
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system_prompt TEXT NOT NULL,
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llm_config_id INTEGER,
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temperature REAL DEFAULT 0.7,
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max_tokens INTEGER DEFAULT 2048,
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enable_search INTEGER DEFAULT 0,
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tags TEXT,
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heat INTEGER DEFAULT 0,
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is_active INTEGER DEFAULT 1,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (llm_config_id) REFERENCES llm_configs(id)
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)
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''')
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# 搜索配置表
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cursor.execute('''
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CREATE TABLE IF NOT EXISTS search_configs (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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name TEXT NOT NULL,
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provider TEXT NOT NULL,
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api_url TEXT NOT NULL,
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api_key TEXT NOT NULL,
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max_results INTEGER DEFAULT 10,
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is_default INTEGER DEFAULT 0,
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is_active INTEGER DEFAULT 1,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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)
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''')
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# 系统配置表
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cursor.execute('''
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CREATE TABLE IF NOT EXISTS system_configs (
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key TEXT PRIMARY KEY,
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value TEXT,
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description TEXT,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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)
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''')
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# 统计日志表
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cursor.execute('''
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CREATE TABLE IF NOT EXISTS stats_logs (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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log_type TEXT NOT NULL,
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log_key TEXT NOT NULL,
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log_value INTEGER DEFAULT 1,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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)
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''')
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# 用户表（后台管理）
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cursor.execute('''
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CREATE TABLE IF NOT EXISTS admin_users (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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username TEXT NOT NULL UNIQUE,
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password_hash TEXT NOT NULL,
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role TEXT DEFAULT 'admin',
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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)
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''')
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# 初始化默认大模型配置
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cursor.execute('SELECT COUNT(*) FROM llm_configs')
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if cursor.fetchone()[0] == 0:
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cursor.execute('''
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INSERT INTO llm_configs (name, provider, api_url, api_key, model, is_default)
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VALUES ('智谱GLM', 'zhipu', 'https://open.bigmodel.cn/api/paas/v4/chat/completions',
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'2259e33a1357460abe17919aaf81e73d.K44a8LPQTmFM5PKm', 'glm-4.5-air', 1)
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''')
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# 初始化默认搜索配置
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cursor.execute('SELECT COUNT(*) FROM search_configs')
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if cursor.fetchone()[0] == 0:
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cursor.execute('''
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INSERT INTO search_configs (name, provider, api_url, api_key, is_default)
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VALUES ('Tavily', 'tavily', 'https://api.tavily.com/search',
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'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', 1)
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''')
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# 初始化默认智能体
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cursor.execute('SELECT COUNT(*) FROM agents')
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if cursor.fetchone()[0] == 0:
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default_agents = [
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('assistant', '通用助手', '🤖', 'hot', '能回答各类问题，帮助写作、分析、解答疑惑', '你是一个智能助手，能够回答各类问题，帮助用户解决问题。', 9500),
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('writer', '写作助手', '✍️', 'hot', '专注于文章写作、文案创作、内容润色', '你是一个专业的写作助手，擅长各类文章写作、文案创作和内容润色。', 8800),
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('coder', '编程助手', '👨💻', 'hot', '精通编程语言，解答技术问题，生成代码', '你是一个专业的编程助手，精通各类编程语言，能够解答技术问题并生成高质量代码。', 8500),
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('translator', '翻译助手', '🌐', 'hot', '多语言翻译，精准表达，文化适配', '你是一个专业的翻译助手，精通多语言翻译，能够精准表达并适配文化差异。', 7200),
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('work', '工作助手', '💼', 'work', '职场问题解答，工作效率提升', '你是一个工作助手，帮助解决职场问题，提升工作效率。', 5000),
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('ppt', 'PPT助手', '📊', 'work', 'PPT内容生成，结构优化，设计建议', '你是一个PPT助手，擅长PPT内容生成、结构优化和设计建议。', 4500),
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('excel', 'Excel助手', '📈', 'work', 'Excel公式、数据分析、表格优化', '你是一个Excel助手，精通Excel公式、数据分析和表格优化。', 4000),
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('teacher', '学习助手', '📚', 'study', '知识讲解，学习方法，考试辅导', '你是一个学习助手，擅长知识讲解、学习方法指导和考试辅导。', 5500),
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('english', '英语助手', '🔤', 'study', '英语学习，语法纠正，口语练习', '你是一个英语助手，帮助英语学习、语法纠正和口语练习。', 5000),
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('math', '数学助手', '🔢', 'study', '数学解题，公式推导，概念讲解', '你是一个数学助手，擅长数学解题、公式推导和概念讲解。', 4500),
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('health', '健康助手', '🏥', 'life', '健康咨询，养生建议，运动指导', '你是一个健康助手，提供健康咨询、养生建议和运动指导。', 3500),
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('travel', '旅行助手', '✈️', 'life', '旅行规划，景点推荐，美食指南', '你是一个旅行助手，擅长旅行规划、景点推荐和美食指南。', 3200),
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('food', '美食助手', '🍳', 'life', '菜谱推荐，烹饪技巧，营养搭配', '你是一个美食助手，提供菜谱推荐、烹饪技巧和营养搭配建议。', 3000),
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]
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for agent in default_agents:
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cursor.execute('''
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INSERT INTO agents (agent_id, name, avatar, category, description, system_prompt, heat)
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VALUES (?, ?, ?, ?, ?, ?, ?)
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''', agent)
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# 初始化系统配置
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cursor.execute('SELECT COUNT(*) FROM system_configs')
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if cursor.fetchone()[0] == 0:
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default_configs = [
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('app_name', 'AI助手', '应用名称'),
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('app_version', '3.5.1', '应用版本'),
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('llm_provider', 'zhipu', '默认大模型提供商'),
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('enable_search', 'true', '是否启用联网搜索'),
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('guest_chat_sessions', '1', '游客每日对话会话限制'),
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('guest_chat_messages', '20', '游客每日对话消息限制'),
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('guest_agent_messages', '20', '游客每日智能体消息限制'),
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('admin_password', 'admin123', '管理员密码'),
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]
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for key, value, desc in default_configs:
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cursor.execute('INSERT INTO system_configs (key, value, description) VALUES (?, ?, ?)', (key, value, desc))
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# 初始化管理员账户
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cursor.execute('SELECT COUNT(*) FROM admin_users')
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if cursor.fetchone()[0] == 0:
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cursor.execute('INSERT INTO admin_users (username, password_hash) VALUES (?, ?)',
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(ADMIN_USERNAME, ADMIN_PASSWORD_HASH))
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conn.commit()
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conn.close()
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# ==================== 前端静态文件服务 ====================
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@app.route('/')
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def index():
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"""前端首页"""
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return send_from_directory(app.static_folder, 'index.html')
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@app.route('/admin')
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def admin():
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"""后台管理页面"""
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return send_from_directory(app.static_folder, 'admin.html')
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@app.route('/admin/<path:path>')
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def admin_static(path):
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"""后台管理静态文件"""
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return send_from_directory(app.static_folder, path)
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@app.route('/<path:path>')
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def static_files(path):
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"""前端静态文件"""
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return send_from_directory(app.static_folder, path)
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# ==================== 后台管理 API ====================
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# 管理员登录验证
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def check_admin_auth():
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"""检查管理员权限"""
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auth = request.authorization
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if not auth:
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return False
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password_hash = hashlib.sha256(auth.password.encode()).hexdigest()
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conn = get_db()
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cursor = conn.cursor()
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cursor.execute('SELECT * FROM admin_users WHERE username = ? AND password_hash = ?',
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(auth.username, password_hash))
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user = cursor.fetchone()
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conn.close()
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return user is not None
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@app.route('/api/admin/login', methods=['POST'])
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def admin_login():
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"""管理员登录"""
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data = request.json
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username = data.get('username')
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password = data.get('password')
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if not username or not password:
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return jsonify({'error': '请输入用户名和密码'}), 400
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password_hash = hashlib.sha256(password.encode()).hexdigest()
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conn = get_db()
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cursor = conn.cursor()
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cursor.execute('SELECT * FROM admin_users WHERE username = ? AND password_hash = ?',
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(username, password_hash))
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user = cursor.fetchone()
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conn.close()
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if user:
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return jsonify({'success': True, 'message': '登录成功'})
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else:
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return jsonify({'error': '用户名或密码错误'}), 401
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# ==================== 大模型接口管理 ====================
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@app.route('/api/admin/llm', methods=['GET'])
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def get_llm_configs():
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"""获取所有大模型配置"""
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conn = get_db()
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cursor = conn.cursor()
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cursor.execute('SELECT * FROM llm_configs ORDER BY is_default DESC, created_at DESC')
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configs = [dict(row) for row in cursor.fetchall()]
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conn.close()
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return jsonify(configs)
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@app.route('/api/admin/llm', methods=['POST'])
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def add_llm_config():
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"""添加大模型配置"""
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data = request.json
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conn = get_db()
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cursor = conn.cursor()
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cursor.execute('''
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INSERT INTO llm_configs (name, provider, api_url, api_key, model, max_tokens, temperature)
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VALUES (?, ?, ?, ?, ?, ?, ?)
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''', (data['name'], data['provider'], data['api_url'], data['api_key'],
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data['model'], data.get('max_tokens', 2048), data.get('temperature', 0.7)))
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conn.commit()
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config_id = cursor.lastrowid
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conn.close()
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return jsonify({'success': True, 'id': config_id})
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@app.route('/api/admin/llm/<int:id>', methods=['PUT'])
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def update_llm_config(id):
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"""更新大模型配置"""
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data = request.json
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conn = get_db()
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cursor = conn.cursor()
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cursor.execute('''
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UPDATE llm_configs SET name=?, provider=?, api_url=?, api_key=?, model=?,
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max_tokens=?, temperature=?, updated_at=CURRENT_TIMESTAMP WHERE id=?
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''', (data['name'], data['provider'], data['api_url'], data['api_key'],
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data['model'], data.get('max_tokens', 2048), data.get('temperature', 0.7), id))
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conn.commit()
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conn.close()
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return jsonify({'success': True})
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@app.route('/api/admin/llm/<int:id>', methods=['DELETE'])
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def delete_llm_config(id):
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"""删除大模型配置"""
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conn = get_db()
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cursor = conn.cursor()
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cursor.execute('DELETE FROM llm_configs WHERE id=?', (id,))
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conn.commit()
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conn.close()
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return jsonify({'success': True})
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@app.route('/api/admin/llm/<int:id>/default', methods=['POST'])
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def set_default_llm(id):
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"""设置默认大模型"""
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conn = get_db()
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cursor = conn.cursor()
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cursor.execute('UPDATE llm_configs SET is_default=0')
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cursor.execute('UPDATE llm_configs SET is_default=1 WHERE id=?', (id,))
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conn.commit()
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conn.close()
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return jsonify({'success': True})
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# ==================== 智能体管理 ====================
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@app.route('/api/admin/agents', methods=['GET'])
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def get_agents():
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"""获取所有智能体"""
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conn = get_db()
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cursor = conn.cursor()
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cursor.execute('SELECT * FROM agents ORDER BY category, heat DESC')
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agents = [dict(row) for row in cursor.fetchall()]
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conn.close()
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return jsonify(agents)
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@app.route('/api/admin/agents', methods=['POST'])
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def add_agent():
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"""添加智能体"""
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data = request.json
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conn = get_db()
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cursor = conn.cursor()
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cursor.execute('''
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INSERT INTO agents (agent_id, name, avatar, category, description, system_prompt,
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llm_config_id, temperature, max_tokens, enable_search, tags, heat)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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''', (data['agent_id'], data['name'], data.get('avatar', '🤖'), data['category'],
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data.get('description', ''), data['system_prompt'], data.get('llm_config_id'),
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data.get('temperature', 0.7), data.get('max_tokens', 2048),
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data.get('enable_search', 0), data.get('tags', ''), data.get('heat', 0)))
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conn.commit()
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conn.close()
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return jsonify({'success': True})
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@app.route('/api/admin/agents/<agent_id>', methods=['PUT'])
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def update_agent(agent_id):
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"""更新智能体"""
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data = request.json
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conn = get_db()
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cursor = conn.cursor()
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cursor.execute('''
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UPDATE agents SET name=?, avatar=?, category=?, description=?, system_prompt=?,
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llm_config_id=?, temperature=?, max_tokens=?, enable_search=?, tags=?, heat=?,
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updated_at=CURRENT_TIMESTAMP WHERE agent_id=?
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''', (data['name'], data.get('avatar', '🤖'), data['category'],
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data.get('description', ''), data['system_prompt'], data.get('llm_config_id'),
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data.get('temperature', 0.7), data.get('max_tokens', 2048),
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data.get('enable_search', 0), data.get('tags', ''), data.get('heat', 0), agent_id))
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conn.commit()
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conn.close()
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return jsonify({'success': True})
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@app.route('/api/admin/agents/<agent_id>', methods=['DELETE'])
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def delete_agent(agent_id):
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"""删除智能体"""
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conn = get_db()
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cursor = conn.cursor()
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cursor.execute('DELETE FROM agents WHERE agent_id=?', (agent_id,))
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conn.commit()
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conn.close()
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return jsonify({'success': True})
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# ==================== 搜索配置管理 ====================
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@app.route('/api/admin/search', methods=['GET'])
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def get_search_configs():
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"""获取搜索配置"""
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conn = get_db()
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cursor = conn.cursor()
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cursor.execute('SELECT * FROM search_configs ORDER BY is_default DESC')
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configs = [dict(row) for row in cursor.fetchall()]
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conn.close()
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return jsonify(configs)
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@app.route('/api/admin/search', methods=['POST'])
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def add_search_config():
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"""添加搜索配置"""
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data = request.json
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conn = get_db()
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cursor = conn.cursor()
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cursor.execute('''
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INSERT INTO search_configs (name, provider, api_url, api_key, max_results)
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VALUES (?, ?, ?, ?, ?)
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''', (data['name'], data['provider'], data['api_url'], data['api_key'],
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data.get('max_results', 10)))
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conn.commit()
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conn.close()
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return jsonify({'success': True})
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@app.route('/api/admin/search/<int:id>', methods=['PUT'])
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def update_search_config(id):
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"""更新搜索配置"""
|
||
data = request.json
|
||
conn = get_db()
|
||
cursor = conn.cursor()
|
||
cursor.execute('''
|
||
UPDATE search_configs SET name=?, provider=?, api_url=?, api_key=?, max_results=?,
|
||
updated_at=CURRENT_TIMESTAMP WHERE id=?
|
||
''', (data['name'], data['provider'], data['api_url'], data['api_key'],
|
||
data.get('max_results', 10), id))
|
||
conn.commit()
|
||
conn.close()
|
||
return jsonify({'success': True})
|
||
|
||
|
||
@app.route('/api/admin/search/<int:id>', methods=['DELETE'])
|
||
def delete_search_config(id):
|
||
"""删除搜索配置"""
|
||
conn = get_db()
|
||
cursor = conn.cursor()
|
||
cursor.execute('DELETE FROM search_configs WHERE id=?', (id,))
|
||
conn.commit()
|
||
conn.close()
|
||
return jsonify({'success': True})
|
||
|
||
|
||
@app.route('/api/admin/search/<int:id>/default', methods=['POST'])
|
||
def set_default_search(id):
|
||
"""设置默认搜索"""
|
||
conn = get_db()
|
||
cursor = conn.cursor()
|
||
cursor.execute('UPDATE search_configs SET is_default=0')
|
||
cursor.execute('UPDATE search_configs SET is_default=1 WHERE id=?', (id,))
|
||
conn.commit()
|
||
conn.close()
|
||
return jsonify({'success': True})
|
||
|
||
|
||
# ==================== 系统配置管理 ====================
|
||
|
||
@app.route('/api/admin/system', methods=['GET'])
|
||
def get_system_configs():
|
||
"""获取系统配置"""
|
||
conn = get_db()
|
||
cursor = conn.cursor()
|
||
cursor.execute('SELECT * FROM system_configs')
|
||
configs = {row['key']: {'value': row['value'], 'description': row['description']}
|
||
for row in cursor.fetchall()}
|
||
conn.close()
|
||
return jsonify(configs)
|
||
|
||
|
||
@app.route('/api/admin/system', methods=['POST'])
|
||
def update_system_config():
|
||
"""更新系统配置"""
|
||
data = request.json
|
||
conn = get_db()
|
||
cursor = conn.cursor()
|
||
for key, value in data.items():
|
||
cursor.execute('''
|
||
UPDATE system_configs SET value=?, updated_at=CURRENT_TIMESTAMP WHERE key=?
|
||
''', (value, key))
|
||
conn.commit()
|
||
conn.close()
|
||
return jsonify({'success': True})
|
||
|
||
|
||
# ==================== 统计信息 ====================
|
||
|
||
@app.route('/api/admin/stats', methods=['GET'])
|
||
def get_stats():
|
||
"""获取统计信息"""
|
||
conn = get_db()
|
||
cursor = conn.cursor()
|
||
|
||
# 今日统计
|
||
today = datetime.now().strftime('%Y-%m-%d')
|
||
|
||
# 各类型统计
|
||
stats = {}
|
||
|
||
# LLM调用统计
|
||
cursor.execute('SELECT SUM(log_value) FROM stats_logs WHERE log_type="llm_call"')
|
||
stats['llm_total_calls'] = cursor.fetchone()[0] or 0
|
||
|
||
cursor.execute('SELECT SUM(log_value) FROM stats_logs WHERE log_type="llm_call" AND created_at >= ?', (today,))
|
||
stats['llm_today_calls'] = cursor.fetchone()[0] or 0
|
||
|
||
# 搜索统计
|
||
cursor.execute('SELECT SUM(log_value) FROM stats_logs WHERE log_type="search_call"')
|
||
stats['search_total_calls'] = cursor.fetchone()[0] or 0
|
||
|
||
cursor.execute('SELECT SUM(log_value) FROM stats_logs WHERE log_type="search_call" AND created_at >= ?', (today,))
|
||
stats['search_today_calls'] = cursor.fetchone()[0] or 0
|
||
|
||
# 智能体使用统计
|
||
cursor.execute('''
|
||
SELECT log_key, SUM(log_value) as count FROM stats_logs
|
||
WHERE log_type="agent_use" GROUP BY log_key ORDER BY count DESC LIMIT 10
|
||
''')
|
||
stats['agent_usage'] = [dict(row) for row in cursor.fetchall()]
|
||
|
||
# 用户统计
|
||
cursor.execute('SELECT COUNT(*) FROM stats_logs WHERE log_type="user_register"')
|
||
stats['total_users'] = cursor.fetchone()[0] or 0
|
||
|
||
# 智能体数量
|
||
cursor.execute('SELECT COUNT(*) FROM agents WHERE is_active=1')
|
||
stats['agent_count'] = cursor.fetchone()[0]
|
||
|
||
# LLM配置数量
|
||
cursor.execute('SELECT COUNT(*) FROM llm_configs WHERE is_active=1')
|
||
stats['llm_count'] = cursor.fetchone()[0]
|
||
|
||
conn.close()
|
||
return jsonify(stats)
|
||
|
||
|
||
@app.route('/api/admin/stats/log', methods=['POST'])
|
||
def log_stats():
|
||
"""记录统计日志"""
|
||
data = request.json
|
||
conn = get_db()
|
||
cursor = conn.cursor()
|
||
cursor.execute('INSERT INTO stats_logs (log_type, log_key, log_value) VALUES (?, ?, ?)',
|
||
(data['type'], data.get('key', ''), data.get('value', 1)))
|
||
conn.commit()
|
||
conn.close()
|
||
return jsonify({'success': True})
|
||
|
||
|
||
# ==================== 前端配置获取 ====================
|
||
|
||
@app.route('/api/config', methods=['GET'])
|
||
def get_frontend_config():
|
||
"""获取前端使用的配置"""
|
||
conn = get_db()
|
||
cursor = conn.cursor()
|
||
|
||
# 获取默认LLM配置
|
||
cursor.execute('SELECT * FROM llm_configs WHERE is_default=1 AND is_active=1 LIMIT 1')
|
||
llm = cursor.fetchone()
|
||
|
||
# 获取默认搜索配置
|
||
cursor.execute('SELECT * FROM search_configs WHERE is_default=1 AND is_active=1 LIMIT 1')
|
||
search = cursor.fetchone()
|
||
|
||
# 获取所有智能体
|
||
cursor.execute('SELECT agent_id, name, avatar, category, description, system_prompt, heat FROM agents WHERE is_active=1')
|
||
agents = [dict(row) for row in cursor.fetchall()]
|
||
|
||
# 获取系统配置
|
||
cursor.execute('SELECT key, value FROM system_configs')
|
||
system = {row['key']: row['value'] for row in cursor.fetchall()}
|
||
|
||
conn.close()
|
||
|
||
config = {
|
||
'llm': dict(llm) if llm else None,
|
||
'search': dict(search) if search else None,
|
||
'agents': agents,
|
||
'system': {
|
||
'appName': system.get('app_name', 'AI助手'),
|
||
'version': system.get('app_version', '3.5.1'),
|
||
'enableSearch': system.get('enable_search', 'true') == 'true',
|
||
'guestLimits': {
|
||
'chatSessions': int(system.get('guest_chat_sessions', '1')),
|
||
'chatMessages': int(system.get('guest_chat_messages', '20')),
|
||
'agentMessages': int(system.get('guest_agent_messages', '20')),
|
||
}
|
||
}
|
||
}
|
||
|
||
return jsonify(config)
|
||
|
||
|
||
# ==================== 启动 ====================
|
||
|
||
if __name__ == '__main__':
|
||
# 初始化数据库
|
||
init_db()
|
||
|
||
# 启动服务
|
||
print('🚀 AI Chat App Backend started on http://localhost:19020')
|
||
print('📊 Admin Panel: http://localhost:19020/admin')
|
||
print('👤 Default admin: admin / admin123')
|
||
|
||
app.run(host='0.0.0.0', port=19020, debug=True) |