phase 4
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Doar Mihai
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<?php
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namespace App\Services;
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use App\Models\Job;
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use App\Models\JobCategory;
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use Illuminate\Support\Facades\Log;
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class JobEnrichmentService
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{
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/**
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* Category keywords mapping
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*/
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private array $categoryKeywords = [
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'Software Development' => ['software', 'developer', 'engineer', 'programming', 'coding', 'web', 'mobile', 'frontend', 'backend', 'fullstack', 'full-stack'],
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'Data Science' => ['data', 'analytics', 'scientist', 'machine learning', 'ml', 'ai', 'artificial intelligence', 'statistician'],
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'Design' => ['designer', 'ux', 'ui', 'graphic', 'creative', 'figma', 'sketch', 'product design'],
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'Marketing' => ['marketing', 'seo', 'social media', 'content', 'growth', 'digital marketing', 'brand'],
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'Sales' => ['sales', 'account executive', 'business development', 'account manager', 'sales representative'],
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'Customer Support' => ['support', 'customer service', 'help desk', 'technical support', 'customer success'],
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'Human Resources' => ['hr', 'human resources', 'recruiter', 'talent', 'recruiting'],
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'Finance' => ['finance', 'accountant', 'accounting', 'financial', 'controller', 'analyst'],
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'Operations' => ['operations', 'logistics', 'supply chain', 'project manager', 'program manager'],
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'DevOps' => ['devops', 'infrastructure', 'cloud', 'aws', 'kubernetes', 'docker', 'sre'],
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'Product Management' => ['product manager', 'product owner', 'product lead'],
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'Quality Assurance' => ['qa', 'quality', 'testing', 'test engineer', 'sdet'],
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'Writing' => ['writer', 'content writer', 'copywriter', 'technical writer', 'editor'],
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];
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/**
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* Auto-categorize a job based on title and description
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*/
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public function categorizeJob(Job $job): ?JobCategory
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{
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if ($job->job_category_id) {
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return $job->category;
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}
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$text = strtolower($job->title . ' ' . $job->description);
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foreach ($this->categoryKeywords as $categoryName => $keywords) {
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foreach ($keywords as $keyword) {
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if (str_contains($text, $keyword)) {
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$category = JobCategory::firstOrCreate(
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['slug' => \Str::slug($categoryName)],
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['name' => $categoryName, 'description' => "Jobs related to {$categoryName}"]
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);
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$job->update(['job_category_id' => $category->id]);
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Log::debug("Auto-categorized job #{$job->id} as '{$categoryName}'");
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return $category;
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}
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}
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}
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return null;
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}
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/**
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* Enrich job with additional data
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*/
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public function enrichJob(Job $job): void
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{
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// Auto-categorize if not categorized
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if (!$job->job_category_id) {
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$this->categorizeJob($job);
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}
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// Detect if remote from title/description
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if (!$job->remote_allowed) {
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$this->detectRemote($job);
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}
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// Parse salary if not set
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if (!$job->salary_min && !$job->salary_max) {
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$this->parseSalaryFromDescription($job);
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}
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// Infer experience level if not set
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if (!$job->experience_level) {
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$this->inferExperienceLevel($job);
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}
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}
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/**
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* Detect if job is remote based on title/description
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*/
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private function detectRemote(Job $job): void
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{
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$text = strtolower($job->title . ' ' . $job->description . ' ' . ($job->location ?? ''));
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$remoteKeywords = ['remote', 'work from home', 'wfh', 'telecommute', 'distributed', 'anywhere'];
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foreach ($remoteKeywords as $keyword) {
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if (str_contains($text, $keyword)) {
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$job->update(['remote_allowed' => true]);
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Log::debug("Detected remote job #{$job->id}");
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return;
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}
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}
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}
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/**
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* Try to parse salary from description
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*/
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private function parseSalaryFromDescription(Job $job): void
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{
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$description = $job->description;
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// Match patterns like $50,000-$80,000, $50k-80k, 50-80k, etc.
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$patterns = [
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'/\$?([\d,]+)k?\s*-\s*\$?([\d,]+)k?/i',
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'/salary:\s*\$?([\d,]+)k?\s*-\s*\$?([\d,]+)k?/i',
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'/compensation:\s*\$?([\d,]+)k?\s*-\s*\$?([\d,]+)k?/i',
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];
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foreach ($patterns as $pattern) {
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if (preg_match($pattern, $description, $matches)) {
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$min = (float) str_replace(',', '', $matches[1]);
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$max = (float) str_replace(',', '', $matches[2]);
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// If values look like they're in 'k' format (e.g., 50 instead of 50000)
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if ($min < 1000) {
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$min *= 1000;
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$max *= 1000;
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}
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$job->update([
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'salary_min' => $min,
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'salary_max' => $max,
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]);
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Log::debug("Parsed salary for job #{$job->id}: {$min}-{$max}");
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return;
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}
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}
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}
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/**
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* Infer experience level from title/description
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*/
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private function inferExperienceLevel(Job $job): void
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{
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$text = strtolower($job->title);
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$levelKeywords = [
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'entry' => ['junior', 'entry', 'associate', 'intern', 'graduate', 'trainee'],
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'mid' => ['mid', 'intermediate', 'regular'],
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'senior' => ['senior', 'sr', 'lead developer', 'staff'],
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'lead' => ['lead', 'principal', 'architect', 'head of'],
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'executive' => ['director', 'vp', 'vice president', 'chief', 'cto', 'ceo', 'cfo', 'coo'],
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];
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foreach ($levelKeywords as $level => $keywords) {
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foreach ($keywords as $keyword) {
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if (str_contains($text, $keyword)) {
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$job->update(['experience_level' => $level]);
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Log::debug("Inferred experience level for job #{$job->id}: {$level}");
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return;
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}
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}
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}
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// Default to mid-level if no keywords found
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$job->update(['experience_level' => 'mid']);
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}
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/**
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* Batch enrich multiple jobs
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*/
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public function enrichJobs(int $batchSize = 100): int
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{
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$jobs = Job::whereNull('job_category_id')
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->orWhereNull('experience_level')
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->limit($batchSize)
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->get();
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$enrichedCount = 0;
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foreach ($jobs as $job) {
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try {
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$this->enrichJob($job);
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$enrichedCount++;
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} catch (\Exception $e) {
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Log::error("Failed to enrich job #{$job->id}: " . $e->getMessage());
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}
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}
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return $enrichedCount;
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}
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/**
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* Normalize salary to USD (if we had currency conversion)
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*/
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public function normalizeSalary(Job $job): void
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{
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// Placeholder for currency conversion logic
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// Would use an API like exchangerate-api.com or similar
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if ($job->salary_currency !== 'USD') {
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// Convert to USD
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// $job->update(['salary_min' => $converted, 'salary_max' => $converted]);
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}
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}
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}
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