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| 1 | +<?php |
| 2 | + |
| 3 | +declare(strict_types=1); |
| 4 | + |
| 5 | +namespace KLP\KlpMcpServer\Services\PromptService\Examples; |
| 6 | + |
| 7 | +use KLP\KlpMcpServer\Services\PromptService\Message\CollectionPromptMessage; |
| 8 | +use KLP\KlpMcpServer\Services\PromptService\Message\PromptMessageInterface; |
| 9 | +use KLP\KlpMcpServer\Services\PromptService\Message\TextPromptMessage; |
| 10 | +use KLP\KlpMcpServer\Services\PromptService\SamplingAwarePromptInterface; |
| 11 | +use KLP\KlpMcpServer\Services\SamplingService\ModelPreferences; |
| 12 | +use KLP\KlpMcpServer\Services\SamplingService\SamplingClient; |
| 13 | + |
| 14 | +/** |
| 15 | + * Example prompt that uses sampling to generate dynamic code review prompts. |
| 16 | + * |
| 17 | + * This prompt demonstrates how to use the sampling feature to create |
| 18 | + * context-aware prompts based on the code being reviewed. |
| 19 | + */ |
| 20 | +class CodeReviewPrompt implements SamplingAwarePromptInterface |
| 21 | +{ |
| 22 | + private ?SamplingClient $samplingClient = null; |
| 23 | + |
| 24 | + public function getName(): string |
| 25 | + { |
| 26 | + return 'code-review'; |
| 27 | + } |
| 28 | + |
| 29 | + public function getDescription(): string |
| 30 | + { |
| 31 | + return 'Generates a comprehensive code review prompt with context-specific questions'; |
| 32 | + } |
| 33 | + |
| 34 | + public function getArguments(): array |
| 35 | + { |
| 36 | + return [ |
| 37 | + [ |
| 38 | + 'name' => 'code', |
| 39 | + 'description' => 'The code to review', |
| 40 | + 'required' => true, |
| 41 | + ], |
| 42 | + [ |
| 43 | + 'name' => 'language', |
| 44 | + 'description' => 'The programming language of the code', |
| 45 | + 'required' => false, |
| 46 | + ], |
| 47 | + [ |
| 48 | + 'name' => 'focus_areas', |
| 49 | + 'description' => 'Comma-separated list of areas to focus on (e.g., security,performance,style)', |
| 50 | + 'required' => false, |
| 51 | + ], |
| 52 | + ]; |
| 53 | + } |
| 54 | + |
| 55 | + public function getMessages(array $arguments = []): CollectionPromptMessage |
| 56 | + { |
| 57 | + $code = $arguments['code'] ?? ''; |
| 58 | + $language = $arguments['language'] ?? 'unknown'; |
| 59 | + $focusAreas = $arguments['focus_areas'] ?? 'general'; |
| 60 | + |
| 61 | + $collection = new CollectionPromptMessage(); |
| 62 | + |
| 63 | + // Add the system message |
| 64 | + $collection->addMessage( |
| 65 | + new TextPromptMessage( |
| 66 | + PromptMessageInterface::ROLE_ASSISTANT, |
| 67 | + $this->getSystemPrompt($language, $focusAreas) |
| 68 | + ) |
| 69 | + ); |
| 70 | + |
| 71 | + // If we have sampling capabilities, generate dynamic questions |
| 72 | + if ($this->samplingClient !== null && $this->samplingClient->canSample() && !empty($code)) { |
| 73 | + $dynamicQuestions = $this->generateDynamicQuestions($code, $language); |
| 74 | + if ($dynamicQuestions !== null) { |
| 75 | + $collection->addMessage( |
| 76 | + new TextPromptMessage( |
| 77 | + PromptMessageInterface::ROLE_USER, |
| 78 | + $dynamicQuestions |
| 79 | + ) |
| 80 | + ); |
| 81 | + } |
| 82 | + } |
| 83 | + |
| 84 | + // Add the main code review request |
| 85 | + $collection->addMessage( |
| 86 | + new TextPromptMessage( |
| 87 | + PromptMessageInterface::ROLE_USER, |
| 88 | + $this->getMainReviewPrompt($code, $focusAreas) |
| 89 | + ) |
| 90 | + ); |
| 91 | + |
| 92 | + return $collection; |
| 93 | + } |
| 94 | + |
| 95 | + private function getSystemPrompt(string $language, string $focusAreas): string |
| 96 | + { |
| 97 | + return sprintf( |
| 98 | + "You are an expert %s code reviewer. Your task is to provide a thorough code review focusing on: %s. " . |
| 99 | + "Be specific in your feedback, provide examples when suggesting improvements, and explain the reasoning behind your recommendations.", |
| 100 | + $language !== 'unknown' ? $language : 'software', |
| 101 | + $focusAreas |
| 102 | + ); |
| 103 | + } |
| 104 | + |
| 105 | + private function getMainReviewPrompt(string $code, string $focusAreas): string |
| 106 | + { |
| 107 | + $areas = array_map('trim', explode(',', $focusAreas)); |
| 108 | + $areaPrompts = []; |
| 109 | + |
| 110 | + foreach ($areas as $area) { |
| 111 | + switch (strtolower($area)) { |
| 112 | + case 'security': |
| 113 | + $areaPrompts[] = "- Security vulnerabilities and potential attack vectors"; |
| 114 | + break; |
| 115 | + case 'performance': |
| 116 | + $areaPrompts[] = "- Performance bottlenecks and optimization opportunities"; |
| 117 | + break; |
| 118 | + case 'style': |
| 119 | + $areaPrompts[] = "- Code style, naming conventions, and formatting"; |
| 120 | + break; |
| 121 | + case 'testing': |
| 122 | + $areaPrompts[] = "- Test coverage and testability of the code"; |
| 123 | + break; |
| 124 | + case 'architecture': |
| 125 | + $areaPrompts[] = "- Architectural patterns and design decisions"; |
| 126 | + break; |
| 127 | + default: |
| 128 | + $areaPrompts[] = "- General code quality and best practices"; |
| 129 | + } |
| 130 | + } |
| 131 | + |
| 132 | + return sprintf( |
| 133 | + "Please review the following code:\n\n```\n%s\n```\n\nFocus your review on:\n%s\n\n" . |
| 134 | + "Provide specific, actionable feedback with examples where appropriate.", |
| 135 | + $code, |
| 136 | + implode("\n", $areaPrompts) |
| 137 | + ); |
| 138 | + } |
| 139 | + |
| 140 | + private function generateDynamicQuestions(string $code, string $language): string|null |
| 141 | + { |
| 142 | + try { |
| 143 | + // Use sampling to analyze the code and generate specific questions |
| 144 | + $prompt = sprintf( |
| 145 | + "Analyze this %s code and generate 3-5 specific, insightful questions that a code reviewer should ask. " . |
| 146 | + "Focus on potential issues, design decisions, or areas that need clarification:\n\n```\n%s\n```\n\n" . |
| 147 | + "Format your response as a bulleted list of questions only.", |
| 148 | + $language, |
| 149 | + $code |
| 150 | + ); |
| 151 | + |
| 152 | + $response = $this->samplingClient->createTextRequest( |
| 153 | + $prompt, |
| 154 | + new ModelPreferences( |
| 155 | + hints: [['name' => 'claude-3-haiku']], |
| 156 | + intelligencePriority: 0.5, |
| 157 | + speedPriority: 0.8 |
| 158 | + ), |
| 159 | + null, |
| 160 | + 500 |
| 161 | + ); |
| 162 | + |
| 163 | + $questions = $response->getContent()->getText(); |
| 164 | + if (!empty($questions)) { |
| 165 | + return "Additionally, please address these specific questions:\n\n" . $questions; |
| 166 | + } |
| 167 | + } catch (\Exception $e) { |
| 168 | + // If sampling fails, we'll just skip the dynamic questions |
| 169 | + // and use the static prompt |
| 170 | + } |
| 171 | + |
| 172 | + return null; |
| 173 | + } |
| 174 | + |
| 175 | + public function setSamplingClient(SamplingClient $samplingClient): void |
| 176 | + { |
| 177 | + $this->samplingClient = $samplingClient; |
| 178 | + } |
| 179 | +} |
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