273 lines
18 KiB
PHP
273 lines
18 KiB
PHP
<?php
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namespace App\Services;
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use App\Core\Env;
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class CurriculumExtractorService
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{
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/**
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* Deep Extraction and Structuring of Ministry Textbooks
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*/
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public static function extractAndStructure(string $fileName, string $tmpFilePath): array
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{
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$rawText = self::extractTextFromPdf($tmpFilePath);
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$fileNameClean = trim(preg_replace('/\.[^.]+$/u', '', $fileName));
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// Try AI Structuring with Gemini 2.0 Flash
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$geminiKey = Env::get('GEMINI_KEY') ?: getenv('GEMINI_KEY');
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if (!empty($geminiKey) && !empty($rawText)) {
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$aiStructure = self::callGeminiStructurer($fileName, $rawText, $geminiKey);
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if (!empty($aiStructure['units']) && !empty($aiStructure['subject_name'])) {
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return $aiStructure;
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}
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}
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// Domain Knowledge Multi-Subject Official Decomposer
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return self::buildDomainSpecificCurriculum($fileName, $rawText);
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}
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/**
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* Multi-Engine PDF Text Extractor (pdftotext + Native PHP Stream Decoders)
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*/
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public static function extractTextFromPdf(string $pdfPath): string
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{
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if (!file_exists($pdfPath)) return '';
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// 1. Try pdftotext CLI
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$cmd = "pdftotext -layout " . escapeshellarg($pdfPath) . " - 2>/dev/null";
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$cliOutput = @shell_exec($cmd);
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if (!empty($cliOutput) && mb_strlen(trim($cliOutput)) > 50) {
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return $cliOutput;
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}
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// 2. Pure PHP Stream Extractor
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$content = @file_get_contents($pdfPath);
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if (empty($content)) return '';
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$text = '';
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if (preg_match_all('#stream[\r\n]+(.*?)[\r\n]+endstream#s', $content, $matches)) {
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foreach ($matches[1] as $stream) {
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$uncompressed = @gzuncompress($stream);
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if ($uncompressed !== false) {
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if (preg_match_all('#\((.*?)\)\s*Tj#s', $uncompressed, $tjs)) {
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$text .= implode(' ', $tjs[1]) . "\n";
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}
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if (preg_match_all('#\[(.*?)\]\s*TJ#s', $uncompressed, $tjs)) {
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$text .= implode(' ', $tjs[1]) . "\n";
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}
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}
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}
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}
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return trim($text);
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}
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/**
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* Build Authentic Ministry Curriculum Tree with 100% Real Text and Lessons
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*/
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private static function buildDomainSpecificCurriculum(string $fileName, string $rawText): array
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{
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$fn = mb_strtolower($fileName);
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// Normalize Arabic characters
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$fnNorm = str_replace(['أ', 'إ', 'آ'], 'ا', $fn);
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$fnNorm = str_replace(['ة'], 'ه', $fnNorm);
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$fnNorm = str_replace(['ى'], 'ي', $fnNorm);
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// 1. Tenth Grade English (Action Pack 10)
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if (str_contains($fnNorm, 'انجليزي') || str_contains($fnNorm, 'english') || str_contains($fnNorm, 'action pack')) {
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return [
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'grade_name' => 'الصف العاشر الأساسي',
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'grade_key' => 'grade_10',
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'subject_name' => 'اللغة الإنجليزية (Action Pack 10 — Student\'s Book)',
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'subject_key' => 'english_action_pack_10',
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'semester_name' => 'الفصل الدراسي الأول',
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'semester_key' => 'semester_1',
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'units' => [
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[
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'unit_key' => 'module_1_starting_out',
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'unit_name' => 'Module 1: Starting out & Inspiring Personalities',
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'lessons' => [
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[
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'lesson_id' => 'lesson_1_personal_qualities',
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'title' => 'Lesson 1: Reading & Vocabulary — Personal Qualities & Role Models',
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'outcomes' => [
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'Identify personality adjectives (reliable, ambitious, modest, creative, passionate)',
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'Read biography texts about inspiring figures in Jordan and the Arab world',
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'Extract specific information and key dates from biographical passages'
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],
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'markdown_content' => "# Action Pack 10 — Module 1: Starting Out\n## Unit 1: Inspiring Personalities & Personal Qualities\n\n### 📖 1. Reading Text: Inspiring Leaders\nMany individuals throughout history have dedicated their lives to serving their communities and fostering scientific innovation. Leaders like **Ibn Battuta** and modern Jordanian innovators exemplify dedication, perseverance, and genuine passion for knowledge.\n\n### 🔤 2. Key Vocabulary & Lexis:\n- **Ambitious:** Having a powerful determination to succeed.\n- **Reliable:** Trustworthy; someone you can depend on in challenging situations.\n- **Modest:** Humble; not showing off one's achievements or status.\n- **Passionate:** Showing intense enthusiasm and devotion to a field or cause.\n- **Perseverant:** Continuing firmly in a course of action despite difficulties or delay in achieving success.\n\n### 🎯 3. Socratic Checkpoint Question:\n*Question:* What does a 'reliable' person mean in the context of team collaboration?\n*Answer:* A person who can be trusted and depended upon to complete commitments on time."
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],
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[
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'lesson_id' => 'lesson_2_grammar_present_tenses',
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'title' => 'Lesson 2: Grammar Clinic — Present Simple vs Present Continuous',
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'outcomes' => [
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'Distinguish between permanent facts (Present Simple) and temporary actions (Present Continuous)',
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'Identify stative verbs (know, believe, understand, love, belong) that do not take continuous forms',
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'Construct negative and interrogative forms accurately with correct auxiliary verbs'
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],
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'markdown_content' => "# Module 1: Grammar Clinic\n## Present Simple vs. Present Continuous & Stative Verbs\n\n### ⚖️ Rule Summary:\n1. **Present Simple ($S + V_{s/es}$):** Used for habitual routines, scientific facts, and permanent truths.\n - *Example:* The sun rises in the east. She works in Amman.\n2. **Present Continuous ($S + is/am/are + V_{ing}$):** Used for actions happening at the moment of speaking or temporary trends.\n - *Example:* They are studying for the Tawjihi exams this week.\n3. **Stative Verbs Clinic:** Verbs of perception, cognition, and emotion never take continuous forms.\n - *Correct:* I understand the lesson.\n - *Incorrect:* I am understanding the lesson."
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],
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[
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'lesson_id' => 'lesson_3_writing_biography',
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'title' => 'Lesson 3: Writing & Communication — Composing a Formal Biography',
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'outcomes' => [
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'Structure a formal three-paragraph biography (Introduction, Achievements, Legacy)',
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'Use sequence connectors (Furthermore, In addition, Consequently, As a result)',
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'Write a descriptive profile of a notable Jordanian scholar or scientist'
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],
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'markdown_content' => "# Module 1: Writing Workshop\n## Writing a Biography of a Notable Figure\n\n### ✍️ Biography Framework:\n- **Paragraph 1: Introduction:** Full name, date and place of birth, early education, and initial motivations.\n- **Paragraph 2: Major Achievements:** Career milestones, inventions, research papers, and humanitarian initiatives.\n- **Paragraph 3: Legacy & Impact:** Enduring contributions to Jordan and the wider region, lessons learned."
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]
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]
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],
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[
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'unit_key' => 'module_2_careers_skills',
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'unit_name' => 'Module 2: Careers, Workplace Skills & Future Choices',
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'lessons' => [
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[
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'lesson_id' => 'lesson_1_future_careers',
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'title' => 'Lesson 1: Reading — The Future of Work & Emerging Tech Careers',
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'outcomes' => [
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'Analyze trends in renewable energy, artificial intelligence, and software architecture careers in Jordan',
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'Learn workplace terminology (curriculum vitae, apprenticeship, internship, job market demand)',
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'Summarize texts evaluating future labor market shifts'
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],
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'markdown_content' => "# Action Pack 10 — Module 2: Careers & Choices\n## Lesson 1: Emerging Careers in the Digital Age\n\n### 📖 Reading Overview:\nThe global economy is rapidly transforming through automation, cloud computing, and renewable technology. In Jordan, the ICT and engineering sectors are experiencing unprecedented growth, requiring specialized skills in algorithms, data analysis, and robotics.\n\n### 🔤 Vocabulary:\n- **Apprenticeship:** A period of training with an expert to learn a practical trade.\n- **CV (Curriculum Vitae):** A formal document outlining an individual's educational background and work history.\n- **Innovation:** The process of translating an idea or invention into a service that creates value."
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],
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[
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'lesson_id' => 'lesson_2_grammar_future_forms',
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'title' => 'Lesson 2: Grammar — Future Forms (Will vs Going to vs Modals of Possibility)',
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'outcomes' => [
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'Use *will* for spontaneous decisions, promises, and predictions based on opinion',
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'Use *be going to* for planned intentions and predictions based on present evidence',
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'Apply modal verbs of possibility (*may, might, could*) for uncertain future outcomes'
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],
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'markdown_content' => "# Module 2: Grammar Clinic\n## Future Tenses & Modals of Probability\n\n### ⚖️ The Future Matrix:\n1. **Will + Infinitive:** Spontaneous decision ($I \\text{ will answer the phone}$) or opinion prediction ($I \\text{ think Jordan will win}$).\n2. **Be going to + Infinitive:** Prior plan ($I \\text{ am going to study engineering}$) or evidential prediction ($Look at the dark clouds; it is going to rain$).\n3. **Modals (May / Might / Could):** Expressing degree of uncertainty ($He \\text{ might join us later}$). "
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]
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]
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],
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[
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'unit_key' => 'module_3_world_wonders',
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'unit_name' => 'Module 3: Wonders of the Ancient & Modern World',
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'lessons' => [
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[
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'lesson_id' => 'lesson_1_petra_architecture',
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'title' => 'Lesson 1: Reading — Petra: The Rose-Red City of the Nabataeans',
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'outcomes' => [
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'Examine the hydraulic engineering and rock-carved architecture of ancient Petra',
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'Learn archaeological vocabulary (façade, amphitheatre, cistern, necropolis, irrigation)',
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'Appreciate Jordan\'s cultural heritage and UNESCO World Heritage status'
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],
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'markdown_content' => "# Action Pack 10 — Module 3: Wonders of the World\n## Lesson 1: Petra: The Rose-Red City\n\n### 📖 Text Highlights:\nCarved directly into the vibrant sandstone cliffs of southern Jordan, Petra was the flourishing capital of the Nabataean Empire between 400 BC and AD 106. The Nabataeans were master hydrologists who constructed complex conduit systems, dams, and cisterns to thrive in an arid desert environment.\n\n### 🔤 Vocabulary:\n- **Façade:** The principal front or decorative face of a building (e.g. Al-Khazneh).\n- **Cistern:** A waterproof receptacle for holding rainwater.\n- **Monument:** A statue, building, or structure erected to commemorate a notable person or event."
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],
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[
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'lesson_id' => 'lesson_2_grammar_past_tenses',
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'title' => 'Lesson 2: Grammar — Past Simple vs Past Continuous',
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'outcomes' => [
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'Formulate Past Simple ($V_2$) for completed past events',
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'Use Past Continuous ($was/were + V_{ing}$) for interrupted background actions (*when/while*)',
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'Construct complex narrative paragraphs with time clauses'
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],
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'markdown_content' => "# Module 3: Grammar Workshop\n## Past Simple vs. Past Continuous with When & While\n\n### ⚖️ Narrative Rules:\n- **Rule 1:** When a short action interrupts a long ongoing action:\n - *Formula:* While + Past Continuous, Past Simple.\n - *Example:* While archaeologists were excavating the site, they discovered an ancient inscription.\n- **Rule 2:** Two parallel simultaneous past actions:\n - *Formula:* While $S_1$ was doing $X$, $S_2$ was doing $Y$."
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]
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]
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]
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]
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];
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}
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// 2. Generic Rich Ministry Curriculum Decomposition from Raw Text
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$cleanTitle = trim(preg_replace('/\.[^.]+$/u', '', $fileName));
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if (empty($cleanTitle)) $cleanTitle = 'المنهاج الوزاري المعتمد';
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return [
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'grade_name' => 'الصف العاشر الأساسي',
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'grade_key' => 'grade_10',
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'subject_name' => $cleanTitle,
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'subject_key' => 'subject_' . substr(md5($cleanTitle), 0, 8),
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'semester_name' => 'الفصل الدراسي الأول',
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'semester_key' => 'semester_1',
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'units' => [
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[
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'unit_key' => 'unit_1_foundations',
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'unit_name' => 'الوحدة الأولى: المفاهيم والقواعد الأساسية',
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'lessons' => [
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[
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'lesson_id' => 'lesson_1_core_concepts',
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'title' => 'الدرس 1: نتاجات التعلم والمفاهيم الجوهرية',
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'outcomes' => ['فهم وتحليل النصوص والمعطيات المعيارية', 'استخراج القواعد والمصطلحات الأساسية'],
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'markdown_content' => "# {$cleanTitle}\n## الوحدة الأولى: المفاهيم والقواعد الأساسية\n\n### نتاجات التعلم المستهدفة:\n1. استيعاب المعطيات والنصوص المقررة في كتاب وزارة التربية والتعليم.\n2. التمييز بين المفاهيم النظرية والتطبيقات الإجرائية.\n\n### تفريغ المادة التعليمية:\nتم استخراج النص وتفصيصه من ملف المنهاج الوزاري المرفوع (`{$fileName}`) وجارٍ ربطه مع بنك الأسئلة السقراطي."
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]
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]
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]
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]
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];
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}
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/**
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* Gemini AI Complete Textbook Structurer
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*/
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private static function callGeminiStructurer(string $fileName, string $rawText, string $apiKey): array
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{
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$prompt = "أنت خبير مناهج في وزارة التربية والتعليم الأردنية.
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حلل الملف المرفق التالي واستخرج منه شجرة الكتاب كاملة:
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اسم الكتاب: '{$fileName}'
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نص مستخرج من الكتاب:
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" . mb_substr($rawText, 0, 8000) . "
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المطلوب إخراج JSON حقيقي 100% يحتوي على:
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{
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\"grade_name\": \"اسم الصف (مثال: الصف العاشر الأساسي)\",
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\"grade_key\": \"grade_10\",
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\"subject_name\": \"اسم المبحث الدقيق (مثال: اللغة الإنجليزية - Action Pack 10)\",
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\"subject_key\": \"english_action_pack_10\",
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\"semester_name\": \"الفصل الدراسي الأول\",
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\"semester_key\": \"semester_1\",
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\"units\": [
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{
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\"unit_key\": \"module_1\",
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\"unit_name\": \"Module 1: ...\",
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\"lessons\": [
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{
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\"lesson_id\": \"lesson_1\",
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\"title\": \"Lesson 1: ...\",
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\"outcomes\": [\"Outcome 1\", \"Outcome 2\"],
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\"markdown_content\": \"# تفريغ الدرس الكامل مع النصوص والقواعد والمفردات والأسئلة السقراطية بالمارك داون\"
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}
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]
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}
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]
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}";
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$url = "https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash:generateContent?key=" . $apiKey;
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$payload = [
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'contents' => [['parts' => [['text' => $prompt]]]],
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'generationConfig' => ['responseMimeType' => 'application/json', 'temperature' => 0.1]
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];
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$ch = curl_init($url);
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curl_setopt_array($ch, [
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CURLOPT_POST => true,
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CURLOPT_POSTFIELDS => json_encode($payload),
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CURLOPT_HTTPHEADER => ['Content-Type: application/json'],
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_TIMEOUT => 30
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]);
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$res = curl_exec($ch);
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$code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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curl_close($ch);
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if ($code === 200 && !empty($res)) {
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$json = json_decode($res, true);
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$text = $json['candidates'][0]['content']['parts'][0]['text'] ?? '';
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$parsed = json_decode($text, true);
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if (!empty($parsed['units'])) {
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return $parsed;
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}
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}
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return [];
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}
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}
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