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feat: Add chat thread deletion functionality

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评估

难度
4/5
预计耗时
3-5 天
新手友好度
48/100
Issue 类型
功能
描述清晰度
基本清楚
活跃度
活跃
技术栈
javascript, typescript
领域
authentication, backend, documentation, frontend, full-stack, testing

调研方向

Start by reading ThreadHeader.jsx and threads.controller.ts, then locate the ThreadService, thread-list UI, API documentation, and existing service/API/UI test patterns. Implement the authorized DELETE /api/threads/{threadId} flow with confirmation and related-resource cleanup, while first resolving the soft-delete versus permanent-delete requirement. Done means the UI, endpoint, cascade cleanup, permission and error handling, tests, and documentation satisfy all listed acceptance criteria.

由索引模型根据 Issue 内容生成。

描述

Summary

Implement a feature that allows users (and admins where appropriate) to delete entire chat threads.
The deletion should remove all messages belonging to the thread from both the UI and the underlying data store while preserving data integrity for related entities.

Motivation

  • Users currently have no way to clean up obsolete or unwanted conversation histories.
  • Provides better privacy controls and reduces storage bloat.
  • Aligns with the roadmap for improving chat management capabilities.

Acceptance Criteria

  1. UI

    • A Delete Thread button appears on the thread header (visible to the thread owner and admins).
    • Clicking the button opens a confirmation modal with Cancel and Delete options.
    • After confirmation, the thread disappears from the thread list with a smooth fade‑out animation.

  2. Backend

    • API endpoint DELETE /api/threads/{threadId} that:
      • Authenticates the requester.
      • Checks that the requester is the thread owner or has admin privileges.
      • Performs a cascade delete of all messages linked to the thread.
    • Returns 204 No Content on success, with appropriate error codes otherwise (403, 404).

  3. Data Integrity

    • All foreign‑key constraints remain satisfied after deletion.
    • No orphaned attachment files or metadata remain; clean up any related resources.

  4. Testing

    • Unit tests for the service layer confirming cascade deletion.
    • Integration tests covering the API endpoint (success, unauthorized, non‑existent thread).
    • End‑to‑end UI test verifying that the button appears, modal works, and the thread is removed from the list.

  5. Documentation

    • Update the README/API docs with the new endpoint definition and usage examples.
    • Add a Chat Thread Management section to the user guide describing how to delete a thread.

Edge Cases & Considerations

  • Permissions: Ensure that only authorized users can delete threads; regular members should not see the delete
    option for threads they don’t own.
  • Undo/Recovery: Evaluate whether a soft‑delete (with a 30‑day recovery window) is needed. If not, clearly state
    the action is permanent in the confirmation modal.
  • Concurrent Deletion: Handle race conditions where two users might attempt to delete the same thread
    simultaneously (idempotent delete operation).

Implementation Approach

  1. Add a DeleteThread button in ThreadHeader.jsx (or equivalent component).

  2. Create a confirmation modal component ConfirmDeleteModal.

  3. Implement the backend handler in threads.controller.ts (or language‑specific equivalent) that invokes the service
    layer.

  4. Extend the ThreadService to perform a cascade delete of associated messages and clean up attachments.

  5. Write unit, integration, and E2E tests.

  6. Update API documentation and user guide.

主要语言
TypeScript
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派生
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平均合并
2 天 8 小时
30 天内合并 PR
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环境准备

  • 提供 Dockerfile 或 Docker Compose 文件
  • 没有 Pull Request 模板
  • 阅读贡献指南

从这里开始

  1. 先读完整个 Issue，再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库，在一个分支上完成修改。
  4. 提交 Pull Request，并在描述里引用这个 Issue 编号。

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