Denylist spam performance improvement

[truongwp]

If denylist spam is disabled, the get fields call should not be run.

[coderabbitai]

Walkthrough

The constructor of the FrmSpamCheckDenylist class was changed to defer the initialization of the $posted_fields property. A new protected method, get_posted_fields(), was added to handle lazy initialization and caching of $posted_fields. The method get_field_ids_to_check() now uses get_posted_fields() for accessing form fields.

Changes

File	Change Summary
classes/models/FrmSpamCheckDenylist.php	Refactored $posted_fields initialization to be lazy via new get_posted_fields() method; updated get_field_ids_to_check() to use this method; added protected method get_posted_fields().

Sequence Diagram(s)

sequenceDiagram
    participant Caller
    participant FrmSpamCheckDenylist

    Caller->>FrmSpamCheckDenylist: get_field_ids_to_check()
    FrmSpamCheckDenylist->>FrmSpamCheckDenylist: get_posted_fields()
    FrmSpamCheckDenylist-->>FrmSpamCheckDenylist: (Lazily initialize and cache posted_fields if not set)
    FrmSpamCheckDenylist-->>Caller: Return field IDs to check

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• classes/models/FrmSpamCheckDenylist.php (2 hunks)

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🔇 Additional comments (3)

classes/models/FrmSpamCheckDenylist.php (3)

28-29: Constructor optimization looks good!

The constructor now only initializes the $denylist property and no longer initializes the $posted_fields property upfront. This is part of the performance improvement when the denylist spam feature is disabled.

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31-36: Well-implemented lazy loading pattern

This new protected method implements lazy loading for the form fields. It only fetches the fields when first needed and then caches the result for subsequent calls. This is an effective way to defer potentially expensive operations until they're actually required.

The implementation is clean and follows best practices:

1. Null-check to determine if initialization is needed
2. Caching the result for future use
3. Clear return value

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300-300: Good update to use the new getter method

The update correctly replaces direct access to $this->posted_fields with a call to the new get_posted_fields() method. This ensures that fields are only fetched when needed, implementing the performance improvement requested in the PR.

✨ Finishing Touches

• 📝 Generate Docstrings

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[Crabcyborg]

Thank you @truongwp!

This looks good!