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fix: remove links refering to moved blocks #952

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@IkbelTalebHssan IkbelTalebHssan commented Apr 23, 2025

Motivation

This PR fixes the removal of links remaining after moving one or multiple blocks.

Fixes #951

Screencast.from.04-23-2025.12.31.49.PM.webm

Type of change:

Please delete options that are not relevant.

  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Breaking change (fix or feature that would cause existing functionality to not work as expected)
  • This change requires a documentation update

Checklist:

  • I have performed a self-review of my own code
  • I have commented my code, particularly in hard-to-understand areas
  • I have made corresponding changes to the documentation
  • I have added unit tests that prove my fix is effective or that my feature works
  • New and existing unit tests pass locally with my changes

Summary by CodeRabbit

  • Bug Fixes
    • Improved handling of linked blocks when updating block connections outside a given category, ensuring more accurate retention and removal of links.

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coderabbitai bot commented Apr 23, 2025

Walkthrough

The code modifies the internal logic of the prepareBlocksOutOfCategoryUpdateScope method within the BlockRepository class. The update refines how nextBlocks references are filtered and updated for blocks outside a specified category scope when certain blocks are moved. The new implementation more precisely determines which nextBlocks references to remove, ensuring only those pointing to moved blocks without reciprocal links are affected. The handling for attachedBlock remains unchanged.

Changes

File(s) Change Summary
api/src/chat/repositories/block.repository.ts Refined logic in prepareBlocksOutOfCategoryUpdateScope to selectively remove nextBlocks references to moved blocks, improving accuracy of link updates when blocks are moved. No public API or signature changes.

Sequence Diagram(s)

sequenceDiagram
    participant BlockRepository
    participant Database

    BlockRepository->>Database: Fetch moved blocks and their nextBlocks
    BlockRepository->>Database: Fetch external blocks referencing moved blocks
    loop For each external block
        BlockRepository->>BlockRepository: Filter nextBlocks (retain if not referencing moved or if reciprocal)
        BlockRepository->>BlockRepository: Clear attachedBlock if referencing moved block
        BlockRepository->>Database: Update block if changes detected
    end
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Assessment against linked issues

Objective Addressed Explanation
Ensure nextBlocks links referencing moved blocks are properly removed (#951)

Poem

A hop and a skip, the blocks rearrange,
With careful new logic, their links now change.
NextBlocks are checked, with a reciprocal glance,
Only the right ones get trimmed in this dance.
AttachedBlock stays wary, as always before—
The rabbit ensures, loose ends are no more!
🐇✨


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📥 Commits

Reviewing files that changed from the base of the PR and between 5b2bfd0 and ceb04f3.

📒 Files selected for processing (1)
  • api/src/chat/repositories/block.repository.ts (1 hunks)
⏰ Context from checks skipped due to timeout of 90000ms (3)
  • GitHub Check: API-Tests
  • GitHub Check: Frontend Tests
  • GitHub Check: Analyze (javascript-typescript)
🔇 Additional comments (3)
api/src/chat/repositories/block.repository.ts (3)

208-215: Good addition: Building a set of reciprocal link targets

The new code correctly fetches all moved blocks and builds a set of their link targets. This is a crucial part of the fix that enables preservation of reciprocal links between blocks.


222-227: Fix implemented correctly: Preserving mutual block references

This implementation correctly solves the issue where links remain after moving blocks. The new logic:

  1. Keeps links that don't point to moved blocks (as before)
  2. Preserves links to moved blocks that have a reciprocal relationship (bi-directional references)

The condition movedBlockLinkTargets.has(block.id) ensures that if a moved block points back to the current block, the connection is maintained.


229-231: Performance optimization: Avoid unnecessary database updates

Good improvement! By only triggering an update when the nextBlocks array has actually changed, you're reducing unnecessary database operations.

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🤔 [ISSUE] - NextBlocks links referencing to moved blocks are not removed
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