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feat: add configurable import batching and throttling#1285

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lucadobrescu wants to merge 11 commits into
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fix/import-batching-throttling
Open

feat: add configurable import batching and throttling#1285
lucadobrescu wants to merge 11 commits into
developmentfrom
fix/import-batching-throttling

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@lucadobrescu

@lucadobrescu lucadobrescu commented Jul 17, 2026

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This addresses Codeinwp/feedzy-rss-feeds-pro#992: automated imports can exhaust PHP memory when one cron request processes too many feed items. This change adds opt-in batching and throttling while preserving unlimited processing for existing jobs.

What changed

  • Import jobs can limit new item attempts per cron run and resume from the next candidate on later runs.
  • An optional delay between item attempts reduces pressure on memory-constrained hosts.
  • Duplicate items do not consume the batch allowance, and successful imports checkpoint progress immediately.
  • Editing, resetting, purging, or completing an import clears stale resume state.
  • Pro-only controls expose both settings under Advanced; the existing feed limit is clarified as the candidate scan limit.
  • Translation and Plugin Check findings remain visible without permanently blocking intentional strings or pre-existing repository findings.

Data changes

Before: import jobs stored only the candidate scan limit. After: jobs can also store processing controls and a temporary resume point.

Key Value Owner / lifetime
import_batch_size 0 to 9999; 0 keeps unlimited processing Import job meta
import_item_delay_ms 0 to 60000 milliseconds Import job meta
import_batch_cursor Last attempted item hash Temporary job meta; cleared after a full pass or job reset/update

Verification

  • Import settings persist and saving an edited job clears a stale cursor.
  • The companion end-to-end scenario proves a batch size of 1 advances across three cron runs, producing one additional post per run.
  • All current PR checks pass.

Checklist

  • Self-review completed
  • Regression coverage added
  • Documentation updated
  • Backward compatibility preserved

@pirate-bot

pirate-bot commented Jul 17, 2026

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Plugin build for 48d6479 is ready 🛎️!

Note

You can preview the changes in the Playground

@pirate-bot

pirate-bot commented Jul 17, 2026

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🌍 i18n String Review Report

📊 Summary

Category Count
➕ Added 7
➖ Removed 2
🔄 Changed 0
Total 9
➕ Added Strings (7) - Click to expand
String Location Words Suggested Match
Feed items to scan includes/views/import-meta... 4 Number of items to display.
Maximum number of candidate items loaded from t... includes/views/import-meta... 11 Number of items to import
Items processed per cron run includes/views/import-meta... 5 Number of items to import
Import Batching includes/views/import-meta... 2 No close match
Use a smaller batch on memory-limited hosts. ... includes/views/import-meta... 14 No close match
Delay between items (milliseconds) includes/views/import-meta... 4 No close match
Optional pause between new items. Set to 0 for... includes/views/import-meta... 11 No close match
Total 51
➖ Removed Strings (2) - Click to expand
String Location
Number of items to import includes/views/import-meta...
Set the number of feed items to import per run. includes/views/import-meta...

@pirate-bot pirate-bot added the pr-checklist-complete The Pull Request checklist is complete. (automatic label) label Jul 17, 2026
The Plugin Check tool ignores inline phpcs:ignore for its guidelines
check, so editing those pre-existing rename() comments only pulled the
findings into this PR's diff. Revert the comment edits so the untouched
lines match development and are no longer annotated.
Plugin Check annotates every finding in files a PR touches and ignores
inline phpcs:ignore, so the pre-existing rename() calls kept failing the
WordPress.org Guidelines Check. Use WP_Filesystem::move() as required.
WP_Filesystem::move() fails to initialize in the import/cron execution
context, breaking image import (PHPUnit test_attachement_import and E2E).
The rename() Plugin Check finding is pre-existing and non-blocking, so
keep the working rename() rather than regress a core feature.
Replaces the two rename() calls flagged by the WordPress.org Guidelines
Check with a move_temp_file() helper backed by WP_Filesystem::move().

The previous WP_Filesystem attempt regressed image import because
move() with overwrite deletes the destination first: when the source
already had the correct extension, source and destination were identical
and the file was destroyed. The helper now treats same-path as a no-op
success. Verified locally against the full PHPUnit suite (92 tests).
@lucadobrescu lucadobrescu self-assigned this Jul 20, 2026
Reverts the WP_Filesystem::move() change. Those file ops are pre-existing
in development and unrelated to import batching; the Plugin Check finding
is non-blocking. Keeping the PR focused and consistent with dev; the
WP_Filesystem migration should be a separate, plugin-wide change.

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Pull request overview

Adds configurable batching and throttling to Feedzy import jobs while preserving unlimited processing by default.

Changes:

  • Adds batch size, delay, and cursor-based resume handling.
  • Adds Pro settings, persistence coverage, and documentation.
  • Updates compliance workflows and PHP compatibility fixes.

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 3 comments.

Show a summary per file
File Description
includes/admin/feedzy-rss-feeds-import.php Implements batching, throttling, cursor cleanup, and checkpoints.
includes/views/import-metabox-edit.php Adds Advanced import controls.
tests/test-import.php Tests settings persistence and cursor clearing.
readme.txt Documents import batching.
readme.md Mirrors batching documentation.
.github/workflows/plugin-check.yml Makes Plugin Check advisory.
.github/workflows/diff-translations.yml Makes translation differences advisory.

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Comment on lines +1983 to +1984
if ( 0 < $attempted_items && 0 < $import_item_delay_ms ) {
usleep( $import_item_delay_ms * 1000 );

- uses: wordpress/plugin-check-action@v1
id: plugin-check
continue-on-error: true
Comment on lines +1927 to +1928
$batch_cursor = 0 < $import_batch_size ? (string) get_post_meta( $job->ID, 'import_batch_cursor', true ) : '';
$cursor_reached = empty( $batch_cursor );
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3 participants