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prautoblogger/includes/admin/class-settings-fields.php
peptiderepo 84feb5e98b feat(images): wire image pipeline into article flow (commit 1b) 
Completes the image + A/B experiment workstream by integrating
image generation into the post publishing pipeline.

New classes:
- class-image-pipeline.php: Orchestrates A/B generation (article-driven
  Image A → featured; source-driven Image B → post meta). Each image
  independently fallible; article publishes even if both fail.
- class-image-prompt-builder.php: Synthesizes visual prompts from article
  title+content and Reddit source data. Appends CEO-locked 90s infomercial
  style suffix. Keeps prompts concise for FLUX.1 quality.
- class-image-media-sideloader.php: Downloads image bytes, creates temp
  file, sideloads via media_handle_sideload(), sets alt text and metadata,
  cleans up temp files.

Changes to existing files:
- Publisher.attach_generated_images(): Runs image pipeline post-creation,
  sets _thumbnail_id (Image A) and _prautoblogger_image_b_id (Image B).
  Errors logged but don't block post publication.
- Settings: prautoblogger_image_enabled (toggle, default off).

Tests:
- ImagePipelineTest.php: Orchestration, cost tracking, graceful failures.
- ImagePromptBuilderTest.php: Prompt generation, length limits.

Docs:
- ARCHITECTURE.md: New step 6b in data flow, new files in file tree.
- CHANGELOG.md: Commit 1a/1b breakdown.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-16 16:43:58 +07:00

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<?php
declare(strict_types=1);
/**
* Declarative settings fields and sections for the PRAutoBlogger admin page.
*
* Centralizes all field and section definitions in one place, making it trivial
* to add new settings (just add one array entry). Decoupled from page rendering logic.
*
* Triggered by: PRAutoBlogger_Admin_Page::on_register_settings() calls static methods here.
* Dependencies: None — contains only data definitions and static methods.
*
* @see admin/class-admin-page.php — Calls get_sections() and get_fields() to register settings.
* @see CONVENTIONS.md — "How To: Add a New Admin Setting".
*/
class PRAutoBlogger_Settings_Fields {
/**
* Get all settings sections. Each section maps to a tab in the admin UI.
*
* @return array<string, array{title: string, icon: string, description: string}>
*/
public static function get_sections(): array {
return [
'prautoblogger_api' => [
'title' => __( 'API Keys', 'prautoblogger' ),
'icon' => 'dashicons-admin-network',
'description' => __( 'Connect your external services. Keys are encrypted at rest.', 'prautoblogger' ),
],
'prautoblogger_models' => [
'title' => __( 'AI Models', 'prautoblogger' ),
'icon' => 'dashicons-superhero-alt',
'description' => __( 'Choose which models power each stage of the pipeline.', 'prautoblogger' ),
],
'prautoblogger_content' => [
'title' => __( 'Content', 'prautoblogger' ),
'icon' => 'dashicons-edit-large',
'description' => __( 'Control tone, length, pipeline mode, and topic guardrails.', 'prautoblogger' ),
],
'prautoblogger_sources' => [
'title' => __( 'Sources', 'prautoblogger' ),
'icon' => 'dashicons-rss',
'description' => __( 'Configure where PRAutoBlogger finds trending topics.', 'prautoblogger' ),
],
'prautoblogger_schedule' => [
'title' => __( 'Schedule & Budget', 'prautoblogger' ),
'icon' => 'dashicons-calendar-alt',
'description' => __( 'Set daily generation schedule, volume, and spending limits.', 'prautoblogger' ),
],
'prautoblogger_publishing' => [
'title' => __( 'Publishing', 'prautoblogger' ),
'icon' => 'dashicons-megaphone',
'description' => __( 'Control how generated content is published.', 'prautoblogger' ),
],
'prautoblogger_analytics' => [
'title' => __( 'Analytics', 'prautoblogger' ),
'icon' => 'dashicons-chart-area',
'description' => __( 'Connect Google Analytics 4 for post performance scoring.', 'prautoblogger' ),
],
'prautoblogger_images' => [
'title' => __( 'Images', 'prautoblogger' ),
'icon' => 'dashicons-format-image',
'description' => __( 'Cloudflare Workers AI credentials and image style controls.', 'prautoblogger' ),
],
];
}
/**
* Get all settings fields. Adding a new setting = adding one entry to this array.
*
* @return array<int, array<string, mixed>>
*/
public static function get_fields(): array {
return [
// ── API Keys ────────────────────────────────────────────────
[
'id' => 'prautoblogger_openrouter_api_key',
'label' => __( 'OpenRouter API Key', 'prautoblogger' ),
'type' => 'password',
'section' => 'prautoblogger_api',
'description' => __( 'Get your key at openrouter.ai/keys', 'prautoblogger' ),
'icon' => '🔑',
],
[
'id' => 'prautoblogger_reddit_source_status',
'label' => __( 'Reddit Data Source', 'prautoblogger' ),
'type' => 'source_status',
'section' => 'prautoblogger_api',
'description' => __( 'Uses Reddit RSS (primary) and .json (fallback). No API key required.', 'prautoblogger' ),
'icon' => '📡',
],
[
'id' => 'prautoblogger_ai_gateway_base_url',
'label' => __( 'Cloudflare AI Gateway URL', 'prautoblogger' ),
'type' => 'text',
'section' => 'prautoblogger_api',
'default' => '',
'description' => __( 'Optional. Route OpenRouter calls through a Cloudflare AI Gateway for caching, cost logging, and rate limiting. Format: https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/openrouter — leave blank to call OpenRouter directly.', 'prautoblogger' ),
'icon' => '☁️',
],
[
'id' => 'prautoblogger_ai_gateway_cache_ttl',
'label' => __( 'AI Gateway Cache TTL (seconds)', 'prautoblogger' ),
'type' => 'number',
'section' => 'prautoblogger_api',
'default' => 0,
'min' => 0,
'max' => 2592000,
'description' => __( 'How long Cloudflare may serve cached responses for identical LLM calls. 0 disables caching. Only used when a gateway URL is set above. Safe values: 0 for article generation (always fresh), 3600+ for repeated classification/scoring calls.', 'prautoblogger' ),
],
// ── AI Models ───────────────────────────────────────────────
[
'id' => 'prautoblogger_analysis_model',
'label' => __( 'Analysis Model', 'prautoblogger' ),
'type' => 'text',
'section' => 'prautoblogger_models',
'default' => PRAUTOBLOGGER_DEFAULT_ANALYSIS_MODEL,
'description' => __( 'Used for source analysis. Pick a cheap, fast model.', 'prautoblogger' ),
'badge' => __( 'Low cost', 'prautoblogger' ),
],
[
'id' => 'prautoblogger_writing_model',
'label' => __( 'Writing Model', 'prautoblogger' ),
'type' => 'text',
'section' => 'prautoblogger_models',
'default' => PRAUTOBLOGGER_DEFAULT_WRITING_MODEL,
'description' => __( 'Used for article generation. Quality matters here.', 'prautoblogger' ),
'badge' => __( 'Quality', 'prautoblogger' ),
],
[
'id' => 'prautoblogger_editor_model',
'label' => __( 'Editor Model', 'prautoblogger' ),
'type' => 'text',
'section' => 'prautoblogger_models',
'default' => PRAUTOBLOGGER_DEFAULT_EDITOR_MODEL,
'description' => __( 'Used for the chief editor review pass.', 'prautoblogger' ),
'badge' => __( 'Quality', 'prautoblogger' ),
],
// ── Content ─────────────────────────────────────────────────
[
'id' => 'prautoblogger_niche_description',
'label' => __( 'Niche Description', 'prautoblogger' ),
'type' => 'textarea',
'section' => 'prautoblogger_content',
'description' => __( 'Describe your site\'s niche. Guides content analysis and generation.', 'prautoblogger' ),
],
[
'id' => 'prautoblogger_tone',
'label' => __( 'Content Tone', 'prautoblogger' ),
'type' => 'select',
'section' => 'prautoblogger_content',
'default' => 'informational',
'options' => [
'informational' => __( 'Informational', 'prautoblogger' ),
'conversational' => __( 'Conversational', 'prautoblogger' ),
'professional' => __( 'Professional', 'prautoblogger' ),
'casual' => __( 'Casual', 'prautoblogger' ),
'authoritative' => __( 'Authoritative', 'prautoblogger' ),
],
],
[
'id' => 'prautoblogger_writing_pipeline',
'label' => __( 'Writing Pipeline', 'prautoblogger' ),
'type' => 'select',
'section' => 'prautoblogger_content',
'default' => 'multi_step',
'options' => [
'multi_step' => __( 'Multi-step (outline → draft → polish)', 'prautoblogger' ),
'single_pass' => __( 'Single-pass (one LLM call)', 'prautoblogger' ),
],
],
[
'id' => 'prautoblogger_min_word_count',
'label' => __( 'Min Word Count', 'prautoblogger' ),
'type' => 'number',
'section' => 'prautoblogger_content',
'default' => 800,
'min' => 200,
],
[
'id' => 'prautoblogger_max_word_count',
'label' => __( 'Max Word Count', 'prautoblogger' ),
'type' => 'number',
'section' => 'prautoblogger_content',
'default' => 2000,
'min' => 500,
],
[
'id' => 'prautoblogger_topic_exclusions',
'label' => __( 'Topic Exclusions', 'prautoblogger' ),
'type' => 'textarea',
'section' => 'prautoblogger_content',
'description' => __( 'Comma-separated topics to never write about.', 'prautoblogger' ),
],
// ── Sources ─────────────────────────────────────────────────
[
'id' => 'prautoblogger_target_subreddits',
'label' => __( 'Target Subreddits', 'prautoblogger' ),
'type' => 'textarea',
'section' => 'prautoblogger_sources',
'description' => __( 'Comma-separated, without r/. E.g.: peptides, Nootropics, biohackers', 'prautoblogger' ),
],
[
'id' => 'prautoblogger_enabled_sources',
'label' => __( 'Enabled Sources', 'prautoblogger' ),
'type' => 'checkboxes',
'section' => 'prautoblogger_sources',
'options' => [
'reddit' => __( 'Reddit (RSS + .json)', 'prautoblogger' ),
],
'default' => '["reddit"]',
'description' => __( 'Select which platforms to monitor for topics.', 'prautoblogger' ),
],
[
'id' => 'prautoblogger_pullpush_cache_ttl',
'label' => __( 'Research Cache (hours)', 'prautoblogger' ),
'type' => 'number',
'section' => 'prautoblogger_sources',
'default' => 6,
'min' => 1,
'max' => 72,
'description' => __( 'How long to cache Reddit research results before re-fetching. Saves bandwidth on low-traffic sites.', 'prautoblogger' ),
],
[
'id' => 'prautoblogger_reddit_time_filter',
'label' => __( 'Reddit Time Window', 'prautoblogger' ),
'type' => 'select',
'section' => 'prautoblogger_sources',
'default' => 'day',
'options' => [
'day' => __( 'Past 24 hours', 'prautoblogger' ),
'week' => __( 'Past week', 'prautoblogger' ),
'month' => __( 'Past month', 'prautoblogger' ),
],
'description' => __( 'How far back to search for trending posts and comments.', 'prautoblogger' ),
],
[
'id' => 'prautoblogger_reddit_posts_per_subreddit',
'label' => __( 'Posts per Subreddit', 'prautoblogger' ),
'type' => 'number',
'section' => 'prautoblogger_sources',
'default' => 25,
'min' => 5,
'max' => 100,
'description' => __( 'Maximum posts to fetch per subreddit per collection run.', 'prautoblogger' ),
],
// ── Schedule & Budget ───────────────────────────────────────
[
'id' => 'prautoblogger_daily_article_target',
'label' => __( 'Articles per Day', 'prautoblogger' ),
'type' => 'number',
'section' => 'prautoblogger_schedule',
'default' => 1,
'min' => 1,
'max' => 10,
],
[
'id' => 'prautoblogger_schedule_time',
'label' => __( 'Generation Time', 'prautoblogger' ),
'type' => 'time',
'section' => 'prautoblogger_schedule',
'default' => '03:00',
'description' => __( 'Daily generation runs at this time (server timezone).', 'prautoblogger' ),
],
[
'id' => 'prautoblogger_monthly_budget_usd',
'label' => __( 'Monthly Budget (USD)', 'prautoblogger' ),
'type' => 'number',
'section' => 'prautoblogger_schedule',
'default' => 50,
'min' => 0,
'step' => '0.01',
'description' => __( 'Hard stop when reached. 0 = unlimited.', 'prautoblogger' ),
],
// ── Publishing ──────────────────────────────────────────────
[
'id' => 'prautoblogger_auto_publish',
'label' => __( 'Auto-Publish', 'prautoblogger' ),
'type' => 'toggle',
'section' => 'prautoblogger_publishing',
'default' => '0',
'description' => __( 'Automatically publish editor-approved posts. When off, all posts go to the Review Queue as drafts.', 'prautoblogger' ),
],
[
'id' => 'prautoblogger_default_author',
'label' => __( 'Default Author', 'prautoblogger' ),
'type' => 'author_select',
'section' => 'prautoblogger_publishing',
'default' => 0,
'description' => __( 'WordPress user assigned as author of generated posts.', 'prautoblogger' ),
],
[
'id' => 'prautoblogger_default_category',
'label' => __( 'Default Category', 'prautoblogger' ),
'type' => 'category_select',
'section' => 'prautoblogger_publishing',
'default' => 0,
'description' => __( 'Fallback category for generated posts.', 'prautoblogger' ),
],
// ── Logging ─────────────────────────────────────────────────
[
'id' => 'prautoblogger_log_level',
'label' => __( 'Log Level', 'prautoblogger' ),
'type' => 'select',
'section' => 'prautoblogger_publishing',
'default' => 'info',
'options' => [
'error' => __( 'Error — only failures', 'prautoblogger' ),
'warning' => __( 'Warning — errors + warnings', 'prautoblogger' ),
'info' => __( 'Info — key events (recommended)', 'prautoblogger' ),
'debug' => __( 'Debug — everything (verbose)', 'prautoblogger' ),
],
'description' => __( 'Controls detail level in the Activity Log.', 'prautoblogger' ),
],
// ── Analytics ───────────────────────────────────────────────
[
'id' => 'prautoblogger_ga4_property_id',
'label' => __( 'GA4 Property ID', 'prautoblogger' ),
'type' => 'text',
'section' => 'prautoblogger_analytics',
'description' => __( 'Format: properties/XXXXXXXXX. Leave blank to skip GA4.', 'prautoblogger' ),
],
[
'id' => 'prautoblogger_ga4_credentials_json',
'label' => __( 'Service Account JSON', 'prautoblogger' ),
'type' => 'password',
'section' => 'prautoblogger_analytics',
'description' => __( 'Paste the full JSON key file for a service account with Analytics read access.', 'prautoblogger' ),
],
// ── Images ─────────────────────────────────────────────────
[
'id' => 'prautoblogger_image_enabled',
'label' => __( 'Enable Image Generation', 'prautoblogger' ),
'type' => 'toggle',
'section' => 'prautoblogger_images',
'default' => '0',
'description' => __( 'When enabled, generate two images (A/B) for each published article. Requires Cloudflare credentials.', 'prautoblogger' ),
],
[
'id' => 'prautoblogger_cloudflare_ai_token',
'label' => __( 'Cloudflare API Token', 'prautoblogger' ),
'type' => 'password',
'section' => 'prautoblogger_images',
'description' => __( 'Workers AI token with Read + Edit scope. Create at dash.cloudflare.com → AI → API Tokens.', 'prautoblogger' ),
'icon' => '🔑',
],
[
'id' => 'prautoblogger_cloudflare_account_id',
'label' => __( 'Cloudflare Account ID', 'prautoblogger' ),
'type' => 'text',
'section' => 'prautoblogger_images',
'default' => '',
'description' => __( 'The Account ID shown on your Cloudflare dashboard sidebar. Used to build the Workers AI URL.', 'prautoblogger' ),
],
[
'id' => 'prautoblogger_image_model',
'label' => __( 'Image Model', 'prautoblogger' ),
'type' => 'select',
'section' => 'prautoblogger_images',
'default' => PRAUTOBLOGGER_DEFAULT_IMAGE_MODEL,
'options' => [
'flux-1-schnell' => __( 'FLUX.1 [schnell] — fast + cheap (default)', 'prautoblogger' ),
'flux-1-dev' => __( 'FLUX.1 [dev] — higher quality, ~4× cost', 'prautoblogger' ),
],
'description' => __( 'Schnell is the normal choice. Only switch to [dev] when a specific post needs higher quality.', 'prautoblogger' ),
'badge' => __( 'Low cost', 'prautoblogger' ),
],
[
'id' => 'prautoblogger_image_style_suffix',
'label' => __( 'Style Suffix', 'prautoblogger' ),
'type' => 'textarea',
'section' => 'prautoblogger_images',
'default' => PRAUTOBLOGGER_DEFAULT_IMAGE_STYLE_SUFFIX,
'description' => __( 'Appended to every image prompt. Controls the visual look across all placements. Changing this mid-run will cause visible style drift — prefer changing during quiet periods.', 'prautoblogger' ),
],
];
}
}
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