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@ArnabChatterjee20k ArnabChatterjee20k commented Jul 25, 2025

Issue -> Key collision for some resources leading to overwriting of resources
Solution -> having a unique key structure combining parent and child relation.
Ex-> for a document
new key -> dbid_collectionId_docId

Summary by CodeRabbit

  • Refactor

    • Improved cache management by introducing context-aware, hierarchical cache keys for resources, enhancing accuracy and consistency in cache operations.
  • New Features

    • Enhanced internal handling of resource identification within the cache, supporting more precise indexing and retrieval.

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coderabbitai bot commented Jul 25, 2025

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Review failed

The pull request is closed.

Walkthrough

A new method, getResourceCacheKey, is added to generate hierarchical cache keys for resources based on their type and relationships. All cache operations now use these composite keys instead of flat sequence IDs. The changes update internal logic for adding, updating, and removing resources in the cache, reflecting their contextual hierarchy.

Changes

Cohort / File(s) Change Summary
Cache logic updates
- src/Migration/Cache.php
Added getResourceCacheKey method; refactored cache operations (add, update, remove) to use composite keys based on resource hierarchy; updated internal cache logic accordingly.

Sequence Diagram(s)

sequenceDiagram
    participant Client
    participant Cache
    participant Resource

    Client->>Cache: add(Resource)
    Cache->>Cache: getResourceCacheKey(Resource)
    Cache->>Cache: Store resource status using composite key

    Client->>Cache: update(Resource)
    Cache->>Cache: getResourceCacheKey(Resource)
    Cache->>Cache: Update resource status using composite key

    Client->>Cache: remove(Resource)
    Cache->>Cache: getResourceCacheKey(Resource)
    Cache->>Cache: Remove resource status using composite key
Loading

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~15 minutes

Possibly related PRs

Poem

In the cache, the keys now dance,
With parent paths that enhance.
No more flat IDs in a line—
Hierarchies now intertwine!
Rabbits cheer as structure grows,
Hopping where the context flows.
🐇✨

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  • src/Migration/Cache.php (7 hunks)
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Actionable comments posted: 3

🔭 Outside diff range comments (1)
src/Migration/Cache.php (1)

146-148: Fix incorrect array check logic.

The condition in_array($resource->getName(), $this->cache) is incorrect. It checks if the resource name exists as a value in the cache array, but resource names are keys, not values.

-    if (! in_array($resource->getName(), $this->cache)) {
+    if (! array_key_exists($resource->getName(), $this->cache)) {
         $this->add($resource);
     }
🧹 Nitpick comments (1)
src/Migration/Cache.php (1)

77-78: Remove extra blank line.

     }
-
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📥 Commits

Reviewing files that changed from the base of the PR and between cf6b192 and 1bc788c.

📒 Files selected for processing (1)
  • src/Migration/Cache.php (7 hunks)
🧰 Additional context used
🧠 Learnings (1)
src/Migration/Cache.php (4)

Learnt from: ItzNotABug
PR: #80
File: src/Migration/Sources/Appwrite.php:843-851
Timestamp: 2025-06-28T09:47:08.333Z
Learning: In the utopia-php/migration codebase, during the terminology swap from Collection/Attribute/Document to Table/Column/Row, the class constructors and method parameters use the new terminology (like "relatedTable"), but the underlying data structures and API responses still use the legacy keys (like "relatedCollection"). This is an intentional design pattern to allow gradual migration while maintaining compatibility with existing data sources.

Learnt from: ItzNotABug
PR: #80
File: src/Migration/Sources/Supabase.php:300-308
Timestamp: 2025-06-28T09:47:58.757Z
Learning: In the utopia-php/migration codebase, during the terminology swap from Collection/Attribute/Document to Table/Column/Row, the user ItzNotABug prefers to keep the existing query logic unchanged even if it becomes semantically incorrect with the new naming. The focus is purely on resource type renaming, not on fixing logical issues that become apparent after the terminology change.

Learnt from: ItzNotABug
PR: #80
File: src/Migration/Resources/Database/Row.php:60-60
Timestamp: 2025-06-28T09:45:36.026Z
Learning: In the utopia-php/migration codebase, the fromArray method is not used on Row objects, so mismatches between jsonSerialize() output keys and fromArray() input expectations for Row class are not problematic.

Learnt from: ItzNotABug
PR: #81
File: src/Migration/Sources/CSV.php:215-233
Timestamp: 2025-07-02T06:24:50.844Z
Learning: In the utopia-php/migration codebase, invalid numeric values (like null) in parsed data are acceptable because the underlying database structure validator will catch and handle these validation errors, so explicit filtering during parsing is not required.

🔇 Additional comments (2)
src/Migration/Cache.php (2)

5-8: LGTM!

The new imports are correctly added to support the hierarchical cache key generation for database resources.


95-107: LGTM!

The add method correctly uses the new hierarchical cache key structure while maintaining the existing logic flow.

@abnegate abnegate merged commit e0e351b into main Jul 28, 2025
3 checks passed
@abnegate abnegate deleted the dat-597 branch July 28, 2025 02:43
abnegate added a commit that referenced this pull request Jul 29, 2025
added new key for the resources to have a parent child relationship
# Conflicts:
#	src/Migration/Cache.php
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3 participants