b23393bf35
- Backend: - Add Stripe subscription fields to companies (migration 019) - Implement Stripe Checkout and Webhook handlers - Add Metrics API (view count, recording) - Update Company and Job models - Frontend: - Add Google Analytics component - Implement User CRUD in Backoffice (Dashboard) - Add 'Featured' badge to JobCard - Docs: Update Roadmap and artifacts
100 lines
2.4 KiB
Go
100 lines
2.4 KiB
Go
package services
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import (
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"database/sql"
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"github.com/rede5/gohorsejobs/backend/internal/models"
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)
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// MetricsService handles job analytics
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type MetricsService struct {
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DB *sql.DB
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}
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// NewMetricsService creates a new metrics service
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func NewMetricsService(db *sql.DB) *MetricsService {
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return &MetricsService{DB: db}
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}
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// RecordView records a job view and increments the counter
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func (s *MetricsService) RecordView(jobID int, userID *int, ip *string, userAgent *string) error {
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tx, err := s.DB.Begin()
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if err != nil {
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return err
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}
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defer tx.Rollback()
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// Insert view record
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_, err = tx.Exec(`
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INSERT INTO job_views (job_id, user_id, ip_address, user_agent)
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VALUES ($1, $2, $3, $4)
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`, jobID, userID, ip, userAgent)
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if err != nil {
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return err
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}
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// Increment cached view count
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_, err = tx.Exec(`
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UPDATE jobs SET view_count = view_count + 1 WHERE id = $1
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`, jobID)
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if err != nil {
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return err
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}
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return tx.Commit()
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}
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// GetJobMetrics returns analytics data for a job
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func (s *MetricsService) GetJobMetrics(jobID int) (*models.JobMetrics, error) {
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metrics := &models.JobMetrics{JobID: jobID}
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// Get view count from jobs table
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err := s.DB.QueryRow(`
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SELECT COALESCE(view_count, 0) FROM jobs WHERE id = $1
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`, jobID).Scan(&metrics.ViewCount)
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if err != nil {
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return nil, err
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}
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// Get unique viewers
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err = s.DB.QueryRow(`
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SELECT COUNT(DISTINCT COALESCE(user_id::text, ip_address))
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FROM job_views WHERE job_id = $1
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`, jobID).Scan(&metrics.UniqueViewers)
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if err != nil {
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metrics.UniqueViewers = 0 // Don't fail if table doesn't exist yet
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}
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// Get application count
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err = s.DB.QueryRow(`
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SELECT COUNT(*) FROM applications WHERE job_id = $1
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`, jobID).Scan(&metrics.ApplicationCount)
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if err != nil {
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metrics.ApplicationCount = 0
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}
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// Calculate conversion rate
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if metrics.ViewCount > 0 {
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metrics.ConversionRate = float64(metrics.ApplicationCount) / float64(metrics.ViewCount) * 100
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}
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// Get views last 7 days
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err = s.DB.QueryRow(`
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SELECT COUNT(*) FROM job_views
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WHERE job_id = $1 AND viewed_at > NOW() - INTERVAL '7 days'
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`, jobID).Scan(&metrics.ViewsLast7Days)
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if err != nil {
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metrics.ViewsLast7Days = 0
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}
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// Get views last 30 days
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err = s.DB.QueryRow(`
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SELECT COUNT(*) FROM job_views
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WHERE job_id = $1 AND viewed_at > NOW() - INTERVAL '30 days'
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`, jobID).Scan(&metrics.ViewsLast30Days)
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if err != nil {
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metrics.ViewsLast30Days = 0
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}
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return metrics, nil
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}
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