phase 4
This commit is contained in:
Doar Mihai
@@ -0,0 +1,206 @@
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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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@@ -0,0 +1,223 @@
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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 Illuminate\Contracts\Pagination\LengthAwarePaginator;
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use Illuminate\Database\Eloquent\Builder;
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class JobSearchService
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{
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/**
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* Search jobs with advanced filters
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*/
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public function search(array $filters = [], int $perPage = 15): LengthAwarePaginator
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{
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$query = Job::query()
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->with(['source', 'category', 'jobLocation'])
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->active();
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// Apply filters
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$this->applyFilters($query, $filters);
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// Apply sorting
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$this->applySorting($query, $filters['sort'] ?? 'date');
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return $query->paginate($perPage);
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}
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/**
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* Apply filters to the query
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*/
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private function applyFilters(Builder $query, array $filters): void
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{
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// Keyword search (title, company, description)
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if (!empty($filters['keywords'])) {
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$keywords = $filters['keywords'];
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$query->where(function ($q) use ($keywords) {
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$q->where('title', 'LIKE', "%{$keywords}%")
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->orWhere('company', 'LIKE', "%{$keywords}%")
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->orWhere('description', 'LIKE', "%{$keywords}%");
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});
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}
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// Full-text search (if supported)
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if (!empty($filters['search'])) {
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$search = $filters['search'];
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$query->whereRaw(
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"MATCH(title, company, description) AGAINST(? IN BOOLEAN MODE)",
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[$search]
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);
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}
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// Location filter
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if (!empty($filters['location'])) {
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$location = $filters['location'];
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$query->where(function ($q) use ($location) {
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$q->where('location', 'LIKE', "%{$location}%")
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->orWhereHas('jobLocation', function ($q2) use ($location) {
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$q2->where('city', 'LIKE', "%{$location}%")
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->orWhere('state', 'LIKE', "%{$location}%")
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->orWhere('country', 'LIKE', "%{$location}%");
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});
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});
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}
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// Category filter
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if (!empty($filters['category_id'])) {
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$query->where('job_category_id', $filters['category_id']);
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}
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// Job type filter (can be array for multiple types)
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if (!empty($filters['job_type'])) {
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$types = is_array($filters['job_type']) ? $filters['job_type'] : [$filters['job_type']];
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$query->whereIn('job_type', $types);
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}
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// Experience level filter (can be array)
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if (!empty($filters['experience_level'])) {
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$levels = is_array($filters['experience_level']) ? $filters['experience_level'] : [$filters['experience_level']];
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$query->whereIn('experience_level', $levels);
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}
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// Remote filter
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if (isset($filters['remote']) && $filters['remote'] !== '') {
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$query->where('remote_allowed', (bool) $filters['remote']);
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}
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// Salary range filter
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if (!empty($filters['salary_min'])) {
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$query->where(function ($q) use ($filters) {
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$q->where('salary_max', '>=', $filters['salary_min'])
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->orWhereNull('salary_max');
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});
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}
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if (!empty($filters['salary_max'])) {
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$query->where(function ($q) use ($filters) {
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$q->where('salary_min', '<=', $filters['salary_max'])
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->orWhereNull('salary_min');
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});
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}
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// Posted date filter (e.g., last 24 hours, 7 days, 30 days)
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if (!empty($filters['posted_within'])) {
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$days = (int) $filters['posted_within'];
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$query->where(function ($q) use ($days) {
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$q->where('posted_at', '>=', now()->subDays($days))
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->orWhere(function ($q2) use ($days) {
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$q2->whereNull('posted_at')
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->where('created_at', '>=', now()->subDays($days));
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});
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});
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}
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// Source filter
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if (!empty($filters['source_id'])) {
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$query->where('job_source_id', $filters['source_id']);
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}
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// Company filter
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if (!empty($filters['company'])) {
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$query->where('company', 'LIKE', "%{$filters['company']}%");
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}
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}
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/**
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* Apply sorting to the query
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*/
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private function applySorting(Builder $query, string $sort): void
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{
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match ($sort) {
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'date' => $query->latest('posted_at'),
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'date_asc' => $query->oldest('posted_at'),
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'salary_desc' => $query->orderBy('salary_max', 'desc')->orderBy('salary_min', 'desc'),
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'salary_asc' => $query->orderBy('salary_min', 'asc')->orderBy('salary_max', 'asc'),
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'title' => $query->orderBy('title', 'asc'),
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'company' => $query->orderBy('company', 'asc'),
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'relevance' => $query->latest('created_at'), // Default to newest if no full-text score
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default => $query->latest('posted_at'),
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};
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}
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/**
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* Get autocomplete suggestions for job titles
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*/
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public function getTitleSuggestions(string $query, int $limit = 10): array
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{
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return Job::select('title')
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->where('title', 'LIKE', "{$query}%")
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->active()
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->groupBy('title')
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->limit($limit)
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->pluck('title')
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->toArray();
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}
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/**
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* Get autocomplete suggestions for companies
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*/
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public function getCompanySuggestions(string $query, int $limit = 10): array
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{
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return Job::select('company')
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->where('company', 'LIKE', "{$query}%")
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->active()
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->groupBy('company')
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->limit($limit)
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->pluck('company')
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->toArray();
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}
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/**
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* Get autocomplete suggestions for locations
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*/
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public function getLocationSuggestions(string $query, int $limit = 10): array
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{
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return Job::select('location')
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->where('location', 'LIKE', "{$query}%")
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->whereNotNull('location')
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->active()
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->groupBy('location')
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->limit($limit)
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->pluck('location')
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->toArray();
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}
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/**
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* Get available filter options
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*/
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public function getFilterOptions(): array
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{
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return [
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'job_types' => [
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'full-time' => 'Full-time',
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'part-time' => 'Part-time',
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'contract' => 'Contract',
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'temporary' => 'Temporary',
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'internship' => 'Internship',
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'freelance' => 'Freelance',
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],
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'experience_levels' => [
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'entry' => 'Entry Level',
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'mid' => 'Mid Level',
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'senior' => 'Senior Level',
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'lead' => 'Lead',
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'executive' => 'Executive',
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],
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'posted_within' => [
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1 => 'Last 24 hours',
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7 => 'Last 7 days',
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30 => 'Last 30 days',
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90 => 'Last 3 months',
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],
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'sort_options' => [
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'date' => 'Most Recent',
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'date_asc' => 'Oldest First',
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'salary_desc' => 'Highest Salary',
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'salary_asc' => 'Lowest Salary',
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'title' => 'Title A-Z',
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'company' => 'Company A-Z',
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],
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];
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}
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}
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Reference in New Issue
Block a user