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fix: move Generate Now to background processing to avoid 120s timeout

Browse Source 
Hostinger's LiteSpeed web server kills any HTTP connection that runs
longer than 120 seconds with a 500 "Request Timeout" error. The full
pipeline (Reddit fetch → topic scoring → article generation → editorial
pass → image gen ×2) takes 120-180s, causing "Request failed: error"
on every manual generation attempt.

Architecture change:
- Generate Now AJAX handler now schedules a one-shot WP-Cron event
  and returns immediately (~100ms response time)
- New prautoblogger_manual_generation cron action runs the pipeline
  in a separate PHP process free from the connection timeout
- Pipeline progress is written to a transient at each stage
- New prautoblogger_generation_status AJAX endpoint lets the frontend
  poll progress every 5 seconds
- Frontend auto-resumes polling on page load if a generation is running
- Direct wp-cron.php loopback ensures cron fires even if DISABLE_WP_CRON
  is set (common on Hostinger)

Version bump: 0.2.9 → 0.3.0

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
peptiderepo
2026-04-18 13:52:10 +07:00
parent b17ed4719b
commit b5bbc54f87
5 changed files with 263 additions and 43 deletions
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24
includes/core/class-pipeline-runner.php
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@@ -61,17 +61,20 @@ class PRAutoBlogger_Pipeline_Runner {
$target_count = absint( get_option( 'prautoblogger_daily_article_target', 1 ) );
// Step 1: Collect source data.
$this->broadcast_stage( __( 'Collecting sources from Reddit…', 'prautoblogger' ) );
$collector = new PRAutoBlogger_Source_Collector();
$collector->collect_from_all_sources();
// Step 2: Analyze collected data for patterns.
// Pass a generous target so the LLM returns enough diverse ideas for
// scoring to pick from — ask for 2× the daily target so dedup has room.
$this->broadcast_stage( __( 'Analyzing topics and scoring…', 'prautoblogger' ) );
$llm = new PRAutoBlogger_OpenRouter_Provider();
$analyzer = new PRAutoBlogger_Content_Analyzer( $llm, $cost_tracker );
$analysis = $analyzer->analyze_recent_data( max( $target_count * 2, 6 ) );
// Step 3: Score and deduplicate ideas.
$this->broadcast_stage( __( 'Selecting best topic…', 'prautoblogger' ) );
$scorer = new PRAutoBlogger_Idea_Scorer();
$scorer->set_skip_dedup( $this->skip_dedup );
$ideas = $scorer->score_and_rank( $analysis, $target_count );
@@ -99,9 +102,11 @@ class PRAutoBlogger_Pipeline_Runner {
}
try {
$this->broadcast_stage( __( 'Generating article draft via AI…', 'prautoblogger' ) );
$content = $generator->generate( $idea );
$generated++;
$this->broadcast_stage( __( 'Running editorial pass…', 'prautoblogger' ) );
$review = $editor->review( $content, $idea );
if ( 'approved' === $review->get_verdict() || 'revised' === $review->get_verdict() ) {
@@ -112,6 +117,7 @@ class PRAutoBlogger_Pipeline_Runner {
? ( $review->get_revised_content() ?? $content )
: $content;
$this->broadcast_stage( __( 'Saving and publishing…', 'prautoblogger' ) );
if ( $auto_publish ) {
$publisher->publish( $final_content, $idea, $review, $cost_tracker->get_run_id() );
$published++;
@@ -144,4 +150,22 @@ class PRAutoBlogger_Pipeline_Runner {
'cost' => $total_cost,
];
}
/**
* Update the generation status transient with the current pipeline stage.
*
* Called at key checkpoints during the pipeline so the frontend status
* poller can show real progress instead of fake timers. No-ops if the
* transient doesn't exist (e.g., during daily cron runs).
*
* @param string $stage Human-readable stage description.
*/
private function broadcast_stage( string $stage ): void {
$transient_key = 'prautoblogger_generation_status';
$current = get_transient( $transient_key );
if ( is_array( $current ) && 'running' === ( $current['status'] ?? '' ) ) {
$current['stage'] = $stage;
set_transient( $transient_key, $current, 600 );
}
}
}