[INF-337] fix: additional hash chunk for file name prefix

[KirylHatalski]

Ticket:

https://oat-sa.atlassian.net/browse/INF-337

What's Changed

• Changes for file hash creation, additional prefix for s3 performance improvements

Please tick the appropriate points

• Ticket attached or not required
• Breaking change
• Configuration change
• Release version change
• Tests are running successfully (old and new ones) on my local machine (if applicable)
• New code is respecting code style rules
• New code is respecting best practices
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TODO

• Unit tests
• E2E tests
• Update with packages

Dependencies PRs

• https://github.com/oat-sa/..

How to test

• Explain here how to test or make a small demo to our team how this works

Summary by CodeRabbit

• Refactor
  • Improved the format and structure of generated file IDs for enhanced organization and consistency.

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"""

Walkthrough

The internal logic of the generateId() method in QtiFlysystemFileManager was updated to generate file IDs with a two-character prefix derived from an MD5 hash, followed by a slash and the full hash, and prepended by the file prefix. No changes were made to method signatures or public interfaces.

Changes

File(s)	Change Summary
models/classes/files/QtiFlysystemFileManager.php	Updated generateId() to use a two-character MD5 prefix and hash-based ID structure.

Sequence Diagram(s)

sequenceDiagram
    participant Caller
    participant QtiFlysystemFileManager

    Caller->>QtiFlysystemFileManager: Call generateId()
    QtiFlysystemFileManager->>QtiFlysystemFileManager: Generate MD5 hash from uniqid(mt_rand(), true)
    QtiFlysystemFileManager->>QtiFlysystemFileManager: Extract first 2 chars as prefix
    QtiFlysystemFileManager->>QtiFlysystemFileManager: Concatenate prefix + "/" + hash
    QtiFlysystemFileManager->>QtiFlysystemFileManager: Prepend filePrefix
    QtiFlysystemFileManager-->>Caller: Return generated ID

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Assessment against linked issues

Objective	Addressed	Explanation
Modify generateId to use a two-character random alphanumeric prefix and hash as described in the issue (INF-337)	✅

Assessment against linked issues: Out-of-scope changes

No out-of-scope changes were found.
"""

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[github-actions]

Front-end summary Node 18

💯 Total	✅ Passed	⏭️ Skipped	❌ Failed
709	709	0	0

[KirylHatalski]

@coderabbitai review

[coderabbitai]

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[tikhanovichA]

• New code is covered by tests (if applicable)
• Tests are running successfully (old and new ones) on my local machine (if applicable)
• New code is respecting code style rules
• New code is respecting best practices
• New code is not subject to concurrency issues (if applicable)
• Feature is working correctly on my local machine (if applicable)
• Acceptance criteria are respected
• Pull request title and description are meaningful
• Pull request's target is not master

Validated with local and GCP filesystems

[github-actions]

Version

Target Version	48.20.10
Last version	48.20.9

There are 0 BREAKING CHANGE, 0 feature, 5 fixes

[Karol-Stelmaczonek]

• New code is covered by tests (if applicable)
• Tests are running successfully (old and new ones) on my local machine (if applicable)
• New code is respecting code style rules
• New code is respecting best practices
• New code is not subject to concurrency issues (if applicable)
• Feature is working correctly on my local machine (if applicable)
• Acceptance criteria are respected
• Pull request title and description are meaningful