添加 Neo4j 向量数据库支持 #439
添加 Neo4j 向量数据库支持 #439
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Caution Review failedThe pull request is closed. Walkthrough此次更改为向量存储服务增加了Neo4j数据库支持。更新包括在配置接口中新增 Changes
Sequence Diagram(s)sequenceDiagram
participant Plugin as ChatLuna Plugin
participant Middleware as Neo4j Middleware (apply)
participant Driver as Neo4j Driver
Plugin->>Middleware: 调用 apply(ctx, config, plugin)
Middleware->>Middleware: 检查 config 中的 Neo4j 配置
Middleware->>Driver: 调用 importNeo4j() 导入 Neo4j 组件
Driver-->>Middleware: 返回 Neo4j 组件或错误信息
Middleware->>Driver: 初始化连接并检查或创建索引
Driver-->>Middleware: 返回连接结果
Middleware->>Plugin: 注册并激活 Neo4j 向量存储服务
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🧹 Nitpick comments (1)
packages/vector-store-service/src/vectorstore/neo4j.ts (1)
1-9: logger 建议作为局部变量使用
目前使用全局变量虽可行，但可能增加耦合，若未来需要多个 Logger 实例或替换日志模块，封装到函数更灵活。
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⛔ Files ignored due to path filters (3)
packages/vector-store-service/package.jsonis excluded by!**/*.jsonpackages/vector-store-service/src/locales/en-US.schema.ymlis excluded by!**/*.ymlpackages/vector-store-service/src/locales/zh-CN.schema.ymlis excluded by!**/*.yml
📒 Files selected for processing (3)
packages/vector-store-service/src/index.ts(4 hunks)packages/vector-store-service/src/vectorstore.ts(2 hunks)packages/vector-store-service/src/vectorstore/neo4j.ts(1 hunks)
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🧬 Code Definitions (1)
packages/vector-store-service/src/vectorstore/neo4j.ts (2)
packages/vector-store-service/src/index.ts (3)
apply(7-20)Config(22-33)Config(35-70)packages/vector-store-service/src/vectorstore.ts (1)
vectorStore(10-30)
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🔇 Additional comments (12)
packages/vector-store-service/src/vectorstore.ts (2)
7-8: 导入新中间件无特殊问题
引入 Neo4j 并与 Redis 等中间件一同初始化，流程清晰。
21-21: 成功将 neo4j 加入中间件数组
此改动确保在系统初始化时可统一注册 Neo4j 功能，无明显风险。packages/vector-store-service/src/index.ts (4)
29-32: 新增 Neo4j 配置字段无误
添加neo4jUrl、neo4jUsername、neo4jPassword字段，能满足连接所需信息。
42-42: 在 vectorStore 中增添 'neo4j' 类型
与先前新增的 Neo4j 中间件保持一致，方便自动检测配置。
60-65: Neo4j 相关 Schema 默认值设置合理
为连接 URL、用户名和密码配置了默认值与角色，可减少初使用时的配置负担。
83-84: 文档中补充 Neo4j 参考链接
方便用户快速查看官方文档并进行数据库配置。packages/vector-store-service/src/vectorstore/neo4j.ts (6)
10-20: 对 config 进行 includes('neo4j') 判断很实用
能避免无关环境执行 Neo4j 初始化，减少不必要的资源消耗。
21-33: 注册 Neo4j Vector Store 的时机恰当
在 plugin 中动态导入 Neo4j，可确保相关依赖与配置正确加载、减少初始化失败。
34-45: Neo4j 连接参数可读性良好
涵盖 URL、用户名、密码及索引等信息，便于后续维护或扩展。
46-60: 捕获并记录 driver 创建错误
遇到驱动初始化失败时能及时输出错误日志，便于故障排查。
62-176: 使用参数化查询，降低注入风险
查询语句通过 session.run() 搭配参数，能有效保证安全性。其他增删操作流程也清晰可控。
179-207: importNeo4j 函数对依赖的动态检测完善
遇到导入失败会给出安装提示，是较好的用户引导方式。
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