| 1 |
<?php |
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|
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namespace FluentBoards\App\Services; |
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|
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use FluentBoards\Framework\Support\Arr; |
| 6 |
|
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/** |
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* AI writing assistant service. |
| 9 |
* |
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* Mirrors the FluentCRM AI implementation so the Fluent suite stays in sync: |
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* credentials are shared across the suite via the global `_fluent_ai_creds` |
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* option, while Fluent Boards keeps its own writing preferences. |
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* |
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* Providers supported: OpenAI, Anthropic (Claude), Google Gemini and the |
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* WordPress-native AI client. All provider calls are blocking wp_remote_post |
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* requests (no streaming). |
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*/ |
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class AiService |
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{ |
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/** |
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* Suite-wide credentials option (shared with FluentCRM). |
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* @var string |
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*/ |
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private $credentialsOptionKey = '_fluent_ai_creds'; |
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|
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/** |
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* Fluent Boards AI preferences key (stored in fbs_meta). |
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* @var string |
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*/ |
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private $settingsOptionKey = 'ai_features_settings'; |
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|
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/** |
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* Pre-release key name, read as a fallback so an existing toggle survives. |
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* @var string |
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*/ |
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private $legacySettingsOptionKey = 'ai_writing_settings'; |
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|
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private $providerModels = [ |
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'wordpress' => ['wordpress'], |
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'open_ai' => ['auto', 'gpt-5.5', 'gpt-5.4', 'gpt-5.4-mini', 'gpt-5.4-nano', 'gpt-4.1', 'gpt-4o', 'gpt-4o-mini'], |
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'claude' => ['auto', 'claude-opus-4-7', 'claude-sonnet-4-6', 'claude-haiku-4-5-20251001', 'claude-opus-4-6'], |
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'gemini' => ['auto', 'gemini-3.5-flash', 'gemini-3.1-pro-preview', 'gemini-3-flash-preview', 'gemini-3.1-flash-lite', 'gemini-2.5-flash', 'gemini-2.5-pro', 'gemini-2.5-flash-lite'], |
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]; |
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|
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private $autoProviderModels = [ |
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'open_ai' => 'gpt-5.4', |
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'claude' => 'claude-sonnet-4-6', |
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'gemini' => 'gemini-3.5-flash', |
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'wordpress' => 'wordpress', |
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]; |
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|
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/** |
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* Actions the in-editor assistant can request. |
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* @var array |
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*/ |
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private $validActions = ['write', 'improve', 'summarize', 'shorten', 'expand', 'format', 'fix_grammar', 'custom']; |
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|
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/** |
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* Prompt size budgets (characters). Provider calls are blocking, so an |
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* unbounded payload would hold a PHP worker for the full timeout, blow past |
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* the model context limit, and burn tokens. |
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*/ |
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const MAX_CONTENT_CHARS = 12000; |
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const MAX_PROMPT_CHARS = 2000; |
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const MAX_CONTEXT_CHARS = 12000; |
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|
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/** |
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* Whether the current site can use the WordPress-native AI client. |
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*/ |
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public function hasWordPressAi() |
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{ |
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global $wp_version; |
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return (intval(explode('.', $wp_version)[0]) >= 7); |
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} |
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|
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/** |
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* Saved settings with the API key masked for frontend display. |
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*/ |
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public function getDisplaySettings() |
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{ |
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$settings = $this->getSavedSettings(); |
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|
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if (!empty($settings['api_key'])) { |
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$settings['api_key'] = '****' . substr($settings['api_key'], -4); |
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} |
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|
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return $settings; |
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} |
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|
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/** |
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* Persist AI settings. Returns an array on success or WP_Error on failure. |
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* |
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* @param array $data |
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* @return array|\WP_Error |
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*/ |
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public function saveSettings($data) |
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{ |
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$isEnabled = sanitize_text_field(Arr::get($data, 'is_enabled', 'no')) === 'yes' ? 'yes' : 'no'; |
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$provider = $this->normalizeProvider(sanitize_text_field(Arr::get($data, 'provider', ''))); |
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$model = sanitize_text_field(Arr::get($data, 'model', 'auto')); |
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$apiKey = sanitize_text_field(Arr::get($data, 'api_key', '')); |
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$customPrompt = sanitize_textarea_field(Arr::get($data, 'custom_prompt', '')); |
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|
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if ($provider === 'wordpress' && !$this->hasWordPressAi()) { |
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return new \WP_Error('unsupported', __('WordPress AI is only supported in WordPress 7.0 or higher.', 'fluent-boards')); |
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} |
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|
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if ($provider && !in_array($provider, array_keys($this->providerModels), true)) { |
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return new \WP_Error('invalid_provider', __('Invalid AI provider selected.', 'fluent-boards')); |
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} |
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|
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/* |
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* The credentials option is shared suite-wide — FluentCRM and other Fluent |
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* plugins read and write the same `_fluent_ai_creds` key. Fluent Boards must |
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* NEVER erase it: an empty or masked submission always keeps what is already |
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* stored, and each field only moves forward to a real new value. Clearing the |
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* shared key is intentionally not possible from this screen, because doing so |
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* would silently break AI in every other Fluent plugin on the site. |
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*/ |
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$existing = $this->getSavedCredentials(); |
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$existingKey = (string) Arr::get($existing, 'api_key', ''); |
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$existingProvider = (string) Arr::get($existing, 'provider', ''); |
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$existingModel = (string) Arr::get($existing, 'model', ''); |
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|
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// Only a real, non-masked value replaces the stored key. |
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$plainApiKey = $existingKey; |
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if ($apiKey !== '' && strpos($apiKey, '****') !== 0) { |
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$plainApiKey = $apiKey; |
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} |
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|
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// A blank submission keeps the stored provider/model rather than blanking them. |
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if (!$provider) { |
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$provider = $existingProvider; |
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} |
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if (!$model) { |
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$model = $existingModel ?: 'auto'; |
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} |
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|
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// Never persist a model the selected provider does not support, otherwise |
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// every later generation resolves it as-is and keeps calling the provider |
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// with an invalid model. |
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if ($provider && !in_array($model, Arr::get($this->providerModels, $provider, []), true)) { |
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return new \WP_Error('invalid_model', __('Invalid AI model selected for this provider.', 'fluent-boards')); |
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} |
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|
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$credentials = [ |
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'provider' => $provider, |
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'model' => $model, |
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'api_key' => $plainApiKey, |
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// Keep whichever Fluent plugin first created the shared credentials. |
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'created_by' => sanitize_text_field(Arr::get($existing, 'created_by', '')) ?: 'fluent_boards', |
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]; |
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|
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// Final guard: never write a credential set that would wipe an existing key. |
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if ($existingKey !== '' && $credentials['api_key'] === '') { |
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$credentials['api_key'] = $existingKey; |
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} |
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|
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// Only touch the shared option when something actually changed. |
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if ($credentials['provider'] !== $existingProvider |
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|| $credentials['model'] !== $existingModel |
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|| $credentials['api_key'] !== $existingKey |
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) { |
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update_option($this->credentialsOptionKey, $credentials, false); |
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} |
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fluent_boards_update_option($this->settingsOptionKey, [ |
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'is_enabled' => $isEnabled, |
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'custom_prompt' => $customPrompt, |
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]); |
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|
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return ['message' => __('AI configuration saved successfully.', 'fluent-boards')]; |
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} |
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|
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/** |
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* Model dropdown options for a provider. |
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* |
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* @param string $provider |
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* @return array|\WP_Error |
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*/ |
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public function getModelOptions($provider) |
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{ |
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$provider = $this->normalizeProvider($provider); |
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|
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if (!$provider || !in_array($provider, array_keys($this->providerModels), true)) { |
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return new \WP_Error('invalid_provider', __('Invalid AI provider selected.', 'fluent-boards')); |
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} |
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|
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$models = []; |
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foreach (Arr::get($this->providerModels, $provider, []) as $model) { |
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$models[] = [ |
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'value' => $model, |
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'label' => $model === 'auto' ? __('Auto', 'fluent-boards') : $model, |
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]; |
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} |
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|
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return $models; |
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} |
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|
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/** |
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* Round-trip a small probe prompt to validate credentials. |
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* |
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* @param array $data provider/model/api_key |
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* @return true|\WP_Error |
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*/ |
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public function testConnection($data) |
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{ |
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$provider = $this->normalizeProvider(sanitize_text_field(Arr::get($data, 'provider', ''))); |
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$model = sanitize_text_field(Arr::get($data, 'model', 'auto')); |
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$apiKey = sanitize_text_field(Arr::get($data, 'api_key', '')); |
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|
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if (!$provider || !$model) { |
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return new \WP_Error('missing_config', __('Please select a provider and model first.', 'fluent-boards')); |
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} |
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|
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if (!in_array($provider, array_keys($this->providerModels), true)) { |
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return new \WP_Error('invalid_provider', __('Invalid AI provider selected.', 'fluent-boards')); |
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} |
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|
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// Use the stored key when the field still shows the masked value. |
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if (!$apiKey || strpos($apiKey, '****') === 0) { |
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$apiKey = Arr::get($this->getSavedSettings(), 'api_key', ''); |
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} |
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|
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if ($provider !== 'wordpress' && !$apiKey) { |
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return new \WP_Error('missing_api_key', __('Please enter an API key.', 'fluent-boards')); |
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} |
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|
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$resolvedModel = $this->resolveModel($provider, $model); |
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if (!$resolvedModel) { |
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return new \WP_Error('missing_model', __('AI model is not configured. Please set it in Settings.', 'fluent-boards')); |
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} |
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|
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$result = $this->callProviderApi($provider, $resolvedModel, $apiKey, 'Say "Connection successful" in exactly two words.', '', 15); |
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|
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if (is_wp_error($result)) { |
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return $result; |
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} |
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|
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return true; |
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} |
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|
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/** |
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* Generate/transform text for the task description editor. |
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* |
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* @param string $action one of $validActions |
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* @param string $content selected text or existing description |
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* @param string $tone optional tone hint |
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* @param string $prompt user prompt for "write"/"custom" actions |
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* @param array $context optional task context (title, board name) |
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* @return string|\WP_Error markdown |
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*/ |
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public function generate($action, $content, $tone = '', $prompt = '', $context = []) |
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{ |
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$action = sanitize_text_field($action); |
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// Bound the payload before it reaches the blocking provider request. |
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$content = $this->truncate((string) $content, self::MAX_CONTENT_CHARS); |
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$prompt = $this->truncate(sanitize_textarea_field($prompt), self::MAX_PROMPT_CHARS); |
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|
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if (!in_array($action, $this->validActions, true)) { |
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return new \WP_Error('invalid_action', __('Invalid action specified.', 'fluent-boards')); |
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} |
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|
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$needsPromptActions = ['write', 'custom']; |
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if (in_array($action, $needsPromptActions, true)) { |
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if (empty($prompt) && empty($content)) { |
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return new \WP_Error('no_input', __('Please provide a prompt or select some text.', 'fluent-boards')); |
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} |
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} elseif (empty($content)) { |
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return new \WP_Error('no_content', __('No content provided to process.', 'fluent-boards')); |
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} |
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|
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$settings = $this->getSavedSettings(); |
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|
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$config = $this->validateGenerationConfig($settings); |
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if (is_wp_error($config)) { |
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return $config; |
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} |
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|
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$userPrompt = $this->buildUserPrompt($action, $content, $prompt, $context); |
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$systemPrompt = $this->getSystemPrompt($tone, $settings); |
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|
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$result = $this->callProviderApi($config['provider'], $config['model'], $config['api_key'], $userPrompt, $systemPrompt, 30); |
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|
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if (is_wp_error($result)) { |
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return $result; |
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} |
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|
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return trim((string) $result); |
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} |
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|
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/* ------------------------------------------------------------------------- |
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* Task intelligence (task-level actions) |
| 293 |
* ---------------------------------------------------------------------- */ |
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|
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/** |
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* Summarize a task (title + description + comment thread) into markdown. |
| 297 |
* |
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* @param array $context task_title, board_title, description, comments |
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* @return string|\WP_Error |
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*/ |
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public function taskSummary($context) |
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{ |
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$system = 'You are a project-management assistant. Summarize the task below for a teammate who needs to get up to speed quickly. ' |
| 304 |
. 'Use only the supplied information — do not invent details. ' |
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. 'Return concise GitHub-flavored Markdown: a one-line TL;DR, then short bullets for key points, open questions, and next steps when the content supports them. ' |
| 306 |
. 'No preamble, no code fences.'; |
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|
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$result = $this->runGeneration($system, "Summarize this task.\n\n" . $this->taskContextText($context), 45); |
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if (is_wp_error($result)) { |
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return $result; |
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} |
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|
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return trim((string) $result); |
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} |
| 315 |
|
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/** |
| 317 |
* Propose a list of subtask titles from the task content. |
| 318 |
* |
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* @param array $context task_title, board_title, description |
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* @return array|\WP_Error list of sanitized title strings |
| 321 |
*/ |
| 322 |
public function taskSubtasks($context) |
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{ |
| 324 |
$system = 'You break a task down into clear, actionable subtasks. ' |
| 325 |
. 'Return ONLY a JSON array of short subtask title strings (max 10), ordered logically. ' |
| 326 |
. 'Each title is a concise action, no numbering, no extra prose, no code fences.'; |
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|
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$result = $this->runGeneration($system, "Task to break down:\n\n" . $this->taskContextText($context), 45); |
| 329 |
if (is_wp_error($result)) { |
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return $result; |
| 331 |
} |
| 332 |
|
| 333 |
return $this->parseJsonList($result); |
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} |
| 335 |
|
| 336 |
/** |
| 337 |
* Suggest labels (from an allowed list) and a priority for the task. |
| 338 |
* |
| 339 |
* @param array $context task content |
| 340 |
* @param array $allowedLabels label names the board offers |
| 341 |
* @param array $allowedPriorities allowed priority keys |
| 342 |
* @return array|\WP_Error ['labels' => [...names], 'priority' => key] |
| 343 |
*/ |
| 344 |
public function taskSuggestions($context, $allowedLabels, $allowedPriorities) |
| 345 |
{ |
| 346 |
$allowedLabels = array_values(array_filter(array_map('strval', (array) $allowedLabels))); |
| 347 |
$allowedPriorities = array_values(array_filter(array_map('strval', (array) $allowedPriorities))); |
| 348 |
|
| 349 |
$labelList = $allowedLabels ? implode(', ', $allowedLabels) : '(none configured)'; |
| 350 |
$priorityList = implode(', ', $allowedPriorities); |
| 351 |
|
| 352 |
$system = 'You classify project tasks. ' |
| 353 |
. 'Return ONLY JSON of the shape {"labels":["..."],"priority":"..."}. ' |
| 354 |
. 'Choose labels ONLY from the provided label list (return an empty array if none fit). ' |
| 355 |
. 'Choose priority ONLY from the provided priority list. No prose, no code fences.'; |
| 356 |
|
| 357 |
$user = 'Available labels: ' . $labelList . "\n" |
| 358 |
. 'Available priorities: ' . $priorityList . "\n\n" |
| 359 |
. "Task:\n" . $this->taskContextText($context); |
| 360 |
|
| 361 |
$result = $this->runGeneration($system, $user, 30); |
| 362 |
if (is_wp_error($result)) { |
| 363 |
return $result; |
| 364 |
} |
| 365 |
|
| 366 |
return $this->parseSuggestions($result, $allowedLabels, $allowedPriorities); |
| 367 |
} |
| 368 |
|
| 369 |
/** |
| 370 |
* Validate config + call the provider with a system/user prompt pair. |
| 371 |
* |
| 372 |
* @return string|\WP_Error |
| 373 |
*/ |
| 374 |
private function runGeneration($systemPrompt, $userPrompt, $timeout = 30) |
| 375 |
{ |
| 376 |
$config = $this->validateGenerationConfig($this->getSavedSettings()); |
| 377 |
if (is_wp_error($config)) { |
| 378 |
return $config; |
| 379 |
} |
| 380 |
|
| 381 |
return $this->callProviderApi($config['provider'], $config['model'], $config['api_key'], $userPrompt, $systemPrompt, $timeout); |
| 382 |
} |
| 383 |
|
| 384 |
/** |
| 385 |
* Build the task context, keeping description + comments inside one shared |
| 386 |
* character budget so a long task can never produce an unbounded prompt. |
| 387 |
*/ |
| 388 |
private function taskContextText($context) |
| 389 |
{ |
| 390 |
$parts = []; |
| 391 |
if ($title = trim((string) Arr::get($context, 'task_title', ''))) { |
| 392 |
$parts[] = 'Title: ' . $title; |
| 393 |
} |
| 394 |
if ($board = trim((string) Arr::get($context, 'board_title', ''))) { |
| 395 |
$parts[] = 'Board: ' . $board; |
| 396 |
} |
| 397 |
|
| 398 |
$remaining = max(0, self::MAX_CONTEXT_CHARS - $this->length(implode("\n\n", $parts))); |
| 399 |
|
| 400 |
// The description gets up to 60% of the budget; comments take what is left. |
| 401 |
if (($description = trim((string) Arr::get($context, 'description', ''))) && $remaining > 0) { |
| 402 |
$description = $this->truncate($description, (int) min($remaining, self::MAX_CONTEXT_CHARS * 0.6)); |
| 403 |
$parts[] = "Description:\n" . $description; |
| 404 |
$remaining = max(0, $remaining - $this->length($description)); |
| 405 |
} |
| 406 |
|
| 407 |
if (($comments = trim((string) Arr::get($context, 'comments', ''))) && $remaining > 0) { |
| 408 |
// Trim from the start so the most recent comments survive. |
| 409 |
$parts[] = "Comments:\n" . $this->truncateStart($comments, $remaining); |
| 410 |
} |
| 411 |
|
| 412 |
return implode("\n\n", $parts); |
| 413 |
} |
| 414 |
|
| 415 |
private function length($text) |
| 416 |
{ |
| 417 |
return function_exists('mb_strlen') ? mb_strlen((string) $text) : strlen((string) $text); |
| 418 |
} |
| 419 |
|
| 420 |
/** |
| 421 |
* Keep the beginning of the text, dropping the overflow. |
| 422 |
*/ |
| 423 |
private function truncate($text, $limit) |
| 424 |
{ |
| 425 |
$text = (string) $text; |
| 426 |
if ($limit <= 0 || $this->length($text) <= $limit) { |
| 427 |
return $text; |
| 428 |
} |
| 429 |
|
| 430 |
$cut = function_exists('mb_substr') ? mb_substr($text, 0, $limit) : substr($text, 0, $limit); |
| 431 |
|
| 432 |
return $cut . "\n… [truncated]"; |
| 433 |
} |
| 434 |
|
| 435 |
/** |
| 436 |
* Keep the end of the text (most recent content), dropping the older overflow. |
| 437 |
*/ |
| 438 |
private function truncateStart($text, $limit) |
| 439 |
{ |
| 440 |
$text = (string) $text; |
| 441 |
if ($limit <= 0 || $this->length($text) <= $limit) { |
| 442 |
return $text; |
| 443 |
} |
| 444 |
|
| 445 |
$cut = function_exists('mb_substr') ? mb_substr($text, -$limit) : substr($text, -$limit); |
| 446 |
|
| 447 |
return "… [older content truncated]\n" . $cut; |
| 448 |
} |
| 449 |
|
| 450 |
private function parseJsonList($result) |
| 451 |
{ |
| 452 |
$decoded = json_decode(trim((string) $result), true); |
| 453 |
if (!is_array($decoded) && preg_match('/\[.*\]/s', (string) $result, $m)) { |
| 454 |
$decoded = json_decode($m[0], true); |
| 455 |
} |
| 456 |
if (!is_array($decoded)) { |
| 457 |
return []; |
| 458 |
} |
| 459 |
|
| 460 |
$items = []; |
| 461 |
foreach ($decoded as $item) { |
| 462 |
if (is_string($item)) { |
| 463 |
$title = $item; |
| 464 |
} elseif (is_array($item)) { |
| 465 |
$title = Arr::get($item, 'title', ''); |
| 466 |
} else { |
| 467 |
continue; |
| 468 |
} |
| 469 |
$title = sanitize_text_field(trim((string) $title)); |
| 470 |
if ($title !== '') { |
| 471 |
$items[] = $title; |
| 472 |
} |
| 473 |
} |
| 474 |
|
| 475 |
return array_slice($items, 0, 15); |
| 476 |
} |
| 477 |
|
| 478 |
private function parseSuggestions($result, $allowedLabels, $allowedPriorities) |
| 479 |
{ |
| 480 |
$decoded = json_decode(trim((string) $result), true); |
| 481 |
if (!is_array($decoded) && preg_match('/\{.*\}/s', (string) $result, $m)) { |
| 482 |
$decoded = json_decode($m[0], true); |
| 483 |
} |
| 484 |
if (!is_array($decoded)) { |
| 485 |
$decoded = []; |
| 486 |
} |
| 487 |
|
| 488 |
$labels = []; |
| 489 |
foreach ((array) Arr::get($decoded, 'labels', []) as $label) { |
| 490 |
$label = trim((string) $label); |
| 491 |
foreach ($allowedLabels as $allowed) { |
| 492 |
if (strtolower($allowed) === strtolower($label)) { |
| 493 |
$labels[] = $allowed; |
| 494 |
break; |
| 495 |
} |
| 496 |
} |
| 497 |
} |
| 498 |
|
| 499 |
$priority = sanitize_text_field((string) Arr::get($decoded, 'priority', '')); |
| 500 |
if (!in_array($priority, $allowedPriorities, true)) { |
| 501 |
$priority = ''; |
| 502 |
} |
| 503 |
|
| 504 |
return [ |
| 505 |
'labels' => array_values(array_unique($labels)), |
| 506 |
'priority' => $priority, |
| 507 |
]; |
| 508 |
} |
| 509 |
|
| 510 |
/** |
| 511 |
* @return array{provider:string,model:string,api_key:string}|\WP_Error |
| 512 |
*/ |
| 513 |
private function validateGenerationConfig($settings) |
| 514 |
{ |
| 515 |
if (Arr::get($settings, 'is_enabled') !== 'yes') { |
| 516 |
return new \WP_Error('ai_disabled', __('AI features are not enabled. Please configure AI in Settings.', 'fluent-boards')); |
| 517 |
} |
| 518 |
|
| 519 |
$provider = Arr::get($settings, 'provider', ''); |
| 520 |
$apiKey = Arr::get($settings, 'api_key', ''); |
| 521 |
$model = Arr::get($settings, 'model', ''); |
| 522 |
|
| 523 |
if (!$provider || !in_array($provider, array_keys($this->providerModels), true)) { |
| 524 |
return new \WP_Error('missing_provider', __('AI provider is not configured. Please set it in Settings.', 'fluent-boards')); |
| 525 |
} |
| 526 |
|
| 527 |
if ($provider !== 'wordpress' && !$apiKey) { |
| 528 |
return new \WP_Error('missing_api_key', __('AI API key is not configured. Please add it in Settings.', 'fluent-boards')); |
| 529 |
} |
| 530 |
|
| 531 |
$resolvedModel = $this->resolveModel($provider, $model); |
| 532 |
if (!$resolvedModel) { |
| 533 |
return new \WP_Error('missing_model', __('AI model is not configured. Please set it in Settings.', 'fluent-boards')); |
| 534 |
} |
| 535 |
|
| 536 |
return [ |
| 537 |
'provider' => $provider, |
| 538 |
'model' => $resolvedModel, |
| 539 |
'api_key' => $apiKey, |
| 540 |
]; |
| 541 |
} |
| 542 |
|
| 543 |
private function getSystemPrompt($tone = '', $settings = []) |
| 544 |
{ |
| 545 |
$prompt = 'You are a writing assistant embedded in a project-management task editor. ' |
| 546 |
. 'You help write and improve task descriptions. Write clearly and concisely for a work context. ' |
| 547 |
. 'Return ONLY the resulting text in GitHub-flavored Markdown. ' |
| 548 |
. 'Do not add explanations, preamble, or wrap the answer in code fences. ' |
| 549 |
. 'Use headings, bullet lists, and checklists (- [ ]) where they make the description clearer. ' |
| 550 |
. 'Keep any existing Markdown structure intact unless asked to change it.'; |
| 551 |
|
| 552 |
if ($tone) { |
| 553 |
$prompt .= ' Use a ' . strtolower(sanitize_text_field($tone)) . ' tone.'; |
| 554 |
} |
| 555 |
|
| 556 |
$custom = trim((string) Arr::get($settings, 'custom_prompt', '')); |
| 557 |
if ($custom) { |
| 558 |
$prompt .= "\n\nAdditional instructions: " . $custom; |
| 559 |
} |
| 560 |
|
| 561 |
return $prompt; |
| 562 |
} |
| 563 |
|
| 564 |
private function buildUserPrompt($action, $content, $prompt, $context = []) |
| 565 |
{ |
| 566 |
$contextText = $this->buildContextText($context); |
| 567 |
|
| 568 |
switch ($action) { |
| 569 |
case 'write': |
| 570 |
$base = "Write a task description based on this instruction:\n\n" . ($prompt ?: $content); |
| 571 |
if ($content && $prompt) { |
| 572 |
$base .= "\n\nExisting text for reference:\n" . $content; |
| 573 |
} |
| 574 |
return $contextText . $base; |
| 575 |
case 'improve': |
| 576 |
return $contextText . "Improve the following task description. Make it clearer and better structured while keeping the meaning:\n\n" . $content; |
| 577 |
case 'summarize': |
| 578 |
return $contextText . "Summarize the following task description into a short, clear TL;DR:\n\n" . $content; |
| 579 |
case 'shorten': |
| 580 |
return $contextText . "Make the following task description shorter and more concise:\n\n" . $content; |
| 581 |
case 'expand': |
| 582 |
return $contextText . "Expand the following task description with more helpful detail:\n\n" . $content; |
| 583 |
case 'format': |
| 584 |
return $contextText . "Reformat the following task description into clean Markdown with headings, bullet points, and a checklist where appropriate. Do not change the meaning:\n\n" . $content; |
| 585 |
case 'fix_grammar': |
| 586 |
return $contextText . "Fix grammar, spelling, and punctuation in the following text. Keep the wording and Markdown otherwise unchanged:\n\n" . $content; |
| 587 |
case 'custom': |
| 588 |
return $contextText . $prompt . ($content ? "\n\nText:\n" . $content : ''); |
| 589 |
default: |
| 590 |
return $content; |
| 591 |
} |
| 592 |
} |
| 593 |
|
| 594 |
private function buildContextText($context) |
| 595 |
{ |
| 596 |
if (!is_array($context) || empty($context)) { |
| 597 |
return ''; |
| 598 |
} |
| 599 |
|
| 600 |
$lines = []; |
| 601 |
if ($title = sanitize_text_field(Arr::get($context, 'task_title', ''))) { |
| 602 |
$lines[] = 'Task title: ' . $title; |
| 603 |
} |
| 604 |
if ($board = sanitize_text_field(Arr::get($context, 'board_title', ''))) { |
| 605 |
$lines[] = 'Board: ' . $board; |
| 606 |
} |
| 607 |
|
| 608 |
if (!$lines) { |
| 609 |
return ''; |
| 610 |
} |
| 611 |
|
| 612 |
return "Context for the task you are helping with:\n" . implode("\n", $lines) . "\n\n"; |
| 613 |
} |
| 614 |
|
| 615 |
/* ------------------------------------------------------------------------- |
| 616 |
* Provider dispatch |
| 617 |
* ---------------------------------------------------------------------- */ |
| 618 |
|
| 619 |
private function callProviderApi($provider, $model, $apiKey, $userPrompt, $systemPrompt = '', $timeout = 30) |
| 620 |
{ |
| 621 |
switch ($provider) { |
| 622 |
case 'open_ai': |
| 623 |
return $this->callOpenAi($model, $apiKey, $userPrompt, $systemPrompt, $timeout); |
| 624 |
case 'claude': |
| 625 |
return $this->callClaude($model, $apiKey, $userPrompt, $systemPrompt, $timeout); |
| 626 |
case 'gemini': |
| 627 |
return $this->callGemini($model, $apiKey, $userPrompt, $systemPrompt, $timeout); |
| 628 |
case 'wordpress': |
| 629 |
return $this->callWordPress($model, $userPrompt, $systemPrompt, $timeout); |
| 630 |
default: |
| 631 |
return new \WP_Error('invalid_provider', __('Invalid AI provider.', 'fluent-boards')); |
| 632 |
} |
| 633 |
} |
| 634 |
|
| 635 |
private function callWordPress($model, $userPrompt, $systemPrompt, $timeout) |
| 636 |
{ |
| 637 |
$filtered = apply_filters('fluent_boards/wordpress_ai_generate', null, $userPrompt, $systemPrompt, $model, $timeout); |
| 638 |
if ($filtered !== null) { |
| 639 |
return $filtered; |
| 640 |
} |
| 641 |
|
| 642 |
if (function_exists('wp_ai_client_prompt')) { |
| 643 |
$prompt = wp_ai_client_prompt($userPrompt); |
| 644 |
if ($systemPrompt) { |
| 645 |
$prompt->using_system_instruction($systemPrompt); |
| 646 |
} |
| 647 |
if ($prompt->is_supported_for_text_generation()) { |
| 648 |
$result = $prompt->generate_text(); |
| 649 |
if (is_wp_error($result)) { |
| 650 |
return $result; |
| 651 |
} |
| 652 |
if (empty($result)) { |
| 653 |
return new \WP_Error('empty_response', __('No content generated by WordPress AI client. Please try again.', 'fluent-boards')); |
| 654 |
} |
| 655 |
return $result; |
| 656 |
} |
| 657 |
return new \WP_Error('not_supported', __('WordPress AI client is not configured or supported on this site.', 'fluent-boards')); |
| 658 |
} |
| 659 |
|
| 660 |
return new \WP_Error( |
| 661 |
'wordpress_ai_not_supported', |
| 662 |
__('WordPress AI Client functions are not available on this WordPress installation. Please ensure you have an AI provider plugin or WordPress AI Core features enabled.', 'fluent-boards') |
| 663 |
); |
| 664 |
} |
| 665 |
|
| 666 |
private function callOpenAi($model, $apiKey, $userPrompt, $systemPrompt, $timeout) |
| 667 |
{ |
| 668 |
$messages = []; |
| 669 |
if ($systemPrompt) { |
| 670 |
$messages[] = ['role' => 'system', 'content' => $systemPrompt]; |
| 671 |
} |
| 672 |
$messages[] = ['role' => 'user', 'content' => $userPrompt]; |
| 673 |
|
| 674 |
$response = wp_remote_post('https://api.openai.com/v1/chat/completions', [ |
| 675 |
'timeout' => $timeout, |
| 676 |
'headers' => [ |
| 677 |
'Authorization' => 'Bearer ' . $apiKey, |
| 678 |
'Content-Type' => 'application/json', |
| 679 |
], |
| 680 |
'body' => wp_json_encode([ |
| 681 |
'model' => $model, |
| 682 |
'messages' => $messages, |
| 683 |
'max_completion_tokens' => 2048, |
| 684 |
]), |
| 685 |
]); |
| 686 |
|
| 687 |
if (is_wp_error($response)) { |
| 688 |
return new \WP_Error('api_error', __('Failed to connect to OpenAI: ', 'fluent-boards') . $response->get_error_message()); |
| 689 |
} |
| 690 |
|
| 691 |
$code = wp_remote_retrieve_response_code($response); |
| 692 |
$body = json_decode(wp_remote_retrieve_body($response), true); |
| 693 |
|
| 694 |
if ($code !== 200) { |
| 695 |
return new \WP_Error('api_error', Arr::get($body, 'error.message', __('Unknown error from OpenAI.', 'fluent-boards'))); |
| 696 |
} |
| 697 |
|
| 698 |
$content = Arr::get($body, 'choices.0.message.content', ''); |
| 699 |
if (empty($content)) { |
| 700 |
return new \WP_Error('empty_response', __('No content generated. Please try again.', 'fluent-boards')); |
| 701 |
} |
| 702 |
|
| 703 |
return $content; |
| 704 |
} |
| 705 |
|
| 706 |
private function callClaude($model, $apiKey, $userPrompt, $systemPrompt, $timeout) |
| 707 |
{ |
| 708 |
$data = [ |
| 709 |
'model' => $model, |
| 710 |
'max_tokens' => 2048, |
| 711 |
'messages' => [ |
| 712 |
['role' => 'user', 'content' => $userPrompt], |
| 713 |
], |
| 714 |
]; |
| 715 |
|
| 716 |
if ($systemPrompt) { |
| 717 |
$data['system'] = $systemPrompt; |
| 718 |
} |
| 719 |
|
| 720 |
$response = wp_remote_post('https://api.anthropic.com/v1/messages', [ |
| 721 |
'timeout' => $timeout, |
| 722 |
'headers' => [ |
| 723 |
'x-api-key' => $apiKey, |
| 724 |
'anthropic-version' => '2023-06-01', |
| 725 |
'Content-Type' => 'application/json', |
| 726 |
], |
| 727 |
'body' => wp_json_encode($data), |
| 728 |
]); |
| 729 |
|
| 730 |
if (is_wp_error($response)) { |
| 731 |
return new \WP_Error('api_error', __('Failed to connect to Claude: ', 'fluent-boards') . $response->get_error_message()); |
| 732 |
} |
| 733 |
|
| 734 |
$code = wp_remote_retrieve_response_code($response); |
| 735 |
$body = json_decode(wp_remote_retrieve_body($response), true); |
| 736 |
|
| 737 |
if ($code !== 200) { |
| 738 |
return new \WP_Error('api_error', Arr::get($body, 'error.message', __('Unknown error from Claude.', 'fluent-boards'))); |
| 739 |
} |
| 740 |
|
| 741 |
$content = Arr::get($body, 'content.0.text', ''); |
| 742 |
if (empty($content)) { |
| 743 |
return new \WP_Error('empty_response', __('No content generated. Please try again.', 'fluent-boards')); |
| 744 |
} |
| 745 |
|
| 746 |
return $content; |
| 747 |
} |
| 748 |
|
| 749 |
private function callGemini($model, $apiKey, $userPrompt, $systemPrompt, $timeout) |
| 750 |
{ |
| 751 |
$url = 'https://generativelanguage.googleapis.com/v1beta/models/' . $model . ':generateContent'; |
| 752 |
|
| 753 |
$data = [ |
| 754 |
'contents' => [ |
| 755 |
['parts' => [['text' => $userPrompt]]], |
| 756 |
], |
| 757 |
'generationConfig' => [ |
| 758 |
'maxOutputTokens' => 2048, |
| 759 |
], |
| 760 |
]; |
| 761 |
|
| 762 |
if ($systemPrompt) { |
| 763 |
$data['system_instruction'] = ['parts' => [['text' => $systemPrompt]]]; |
| 764 |
} |
| 765 |
|
| 766 |
$response = wp_remote_post($url, [ |
| 767 |
'timeout' => $timeout, |
| 768 |
'headers' => [ |
| 769 |
'Content-Type' => 'application/json', |
| 770 |
'x-goog-api-key' => $apiKey, |
| 771 |
], |
| 772 |
'body' => wp_json_encode($data), |
| 773 |
]); |
| 774 |
|
| 775 |
if (is_wp_error($response)) { |
| 776 |
return new \WP_Error('api_error', __('Failed to connect to Gemini: ', 'fluent-boards') . $response->get_error_message()); |
| 777 |
} |
| 778 |
|
| 779 |
$code = wp_remote_retrieve_response_code($response); |
| 780 |
$body = json_decode(wp_remote_retrieve_body($response), true); |
| 781 |
|
| 782 |
if ($code !== 200) { |
| 783 |
return new \WP_Error('api_error', Arr::get($body, 'error.message', __('Unknown error from Gemini.', 'fluent-boards'))); |
| 784 |
} |
| 785 |
|
| 786 |
$content = Arr::get($body, 'candidates.0.content.parts.0.text', ''); |
| 787 |
if (empty($content)) { |
| 788 |
return new \WP_Error('empty_response', __('No content generated. Please try again.', 'fluent-boards')); |
| 789 |
} |
| 790 |
|
| 791 |
return $content; |
| 792 |
} |
| 793 |
|
| 794 |
/* ------------------------------------------------------------------------- |
| 795 |
* Storage helpers |
| 796 |
* ---------------------------------------------------------------------- */ |
| 797 |
|
| 798 |
private function getSavedSettings() |
| 799 |
{ |
| 800 |
$defaults = [ |
| 801 |
'is_enabled' => 'no', |
| 802 |
'provider' => '', |
| 803 |
'api_key' => '', |
| 804 |
'model' => 'auto', |
| 805 |
'custom_prompt' => '', |
| 806 |
]; |
| 807 |
|
| 808 |
$settings = array_merge($this->getSavedPreferences(), $this->getSavedCredentials()); |
| 809 |
|
| 810 |
return wp_parse_args($settings, $defaults); |
| 811 |
} |
| 812 |
|
| 813 |
private function getSavedCredentials() |
| 814 |
{ |
| 815 |
$credentials = get_option($this->credentialsOptionKey, []); |
| 816 |
if (!is_array($credentials)) { |
| 817 |
$credentials = []; |
| 818 |
} |
| 819 |
|
| 820 |
$model = sanitize_text_field(Arr::get($credentials, 'model', 'auto')); |
| 821 |
|
| 822 |
return [ |
| 823 |
'provider' => $this->normalizeProvider(Arr::get($credentials, 'provider', '')), |
| 824 |
'model' => $model ?: 'auto', |
| 825 |
'api_key' => sanitize_text_field(Arr::get($credentials, 'api_key', '')), |
| 826 |
'created_by' => sanitize_text_field(Arr::get($credentials, 'created_by', '')), |
| 827 |
]; |
| 828 |
} |
| 829 |
|
| 830 |
private function getSavedPreferences() |
| 831 |
{ |
| 832 |
$preferences = fluent_boards_get_option($this->settingsOptionKey, []); |
| 833 |
if (!is_array($preferences) || empty($preferences)) { |
| 834 |
// Fall back to the pre-release key so an existing toggle is not lost. |
| 835 |
$legacy = fluent_boards_get_option($this->legacySettingsOptionKey, []); |
| 836 |
$preferences = is_array($legacy) ? $legacy : []; |
| 837 |
} |
| 838 |
|
| 839 |
return [ |
| 840 |
'is_enabled' => sanitize_text_field(Arr::get($preferences, 'is_enabled', 'no')) === 'yes' ? 'yes' : 'no', |
| 841 |
'custom_prompt' => sanitize_textarea_field(Arr::get($preferences, 'custom_prompt', '')), |
| 842 |
]; |
| 843 |
} |
| 844 |
|
| 845 |
private function normalizeProvider($provider) |
| 846 |
{ |
| 847 |
$provider = sanitize_key($provider); |
| 848 |
return $provider === 'openai' ? 'open_ai' : $provider; |
| 849 |
} |
| 850 |
|
| 851 |
private function resolveModel($provider, $model) |
| 852 |
{ |
| 853 |
$model = $model ?: 'auto'; |
| 854 |
|
| 855 |
if ($model !== 'auto') { |
| 856 |
return $model; |
| 857 |
} |
| 858 |
|
| 859 |
return Arr::get($this->autoProviderModels, $provider, ''); |
| 860 |
} |
| 861 |
|
| 862 |
/** |
| 863 |
* Whether AI writing is enabled and configured (used to gate the editor UI). |
| 864 |
*/ |
| 865 |
public function isReady() |
| 866 |
{ |
| 867 |
$settings = $this->getSavedSettings(); |
| 868 |
|
| 869 |
if (Arr::get($settings, 'is_enabled') !== 'yes') { |
| 870 |
return false; |
| 871 |
} |
| 872 |
|
| 873 |
$provider = Arr::get($settings, 'provider', ''); |
| 874 |
if (!$provider) { |
| 875 |
return false; |
| 876 |
} |
| 877 |
|
| 878 |
if ($provider !== 'wordpress' && !Arr::get($settings, 'api_key', '')) { |
| 879 |
return false; |
| 880 |
} |
| 881 |
|
| 882 |
return true; |
| 883 |
} |
| 884 |
} |
| 885 |
|
