Initial commit - Physiotherapy Clinic Management System

app/Services/AppointmentService.php

@@ -0,0 +1,105 @@
+<?php
+
+namespace App\Services;
+
+use App\Models\Appointment;
+use App\Models\Patient;
+use App\Models\User;
+use Carbon\Carbon;
+
+class AppointmentService
+{
+    /**
+     * Check for conflicting appointments for a therapist
+     */
+    public function hasConflict(int $therapistId, Carbon $startTime, int $duration, ?int $excludeId = null): bool
+    {
+        $endTime = $startTime->copy()->addMinutes($duration);
+
+        $query = Appointment::where('user_id', $therapistId)
+            ->whereIn('status', ['scheduled', 'confirmed', 'in_progress'])
+            ->where(function ($q) use ($startTime, $endTime) {
+                // Check if any appointment overlaps with the requested time
+                $q->whereBetween('appointment_date', [$startTime, $endTime->copy()->subSecond()])
+                  ->orWhereRaw("datetime(appointment_date, '+' || duration_minutes || ' minutes') BETWEEN ? AND ?", [$startTime, $endTime]);
+            });
+
+        if ($excludeId) {
+            $query->where('id', '!=', $excludeId);
+        }
+
+        return $query->exists();
+    }
+
+    /**
+     * Check for patient double-booking
+     */
+    public function hasPatientConflict(int $patientId, Carbon $startTime, int $duration, ?int $excludeId = null): bool
+    {
+        $endTime = $startTime->copy()->addMinutes($duration);
+
+        $query = Appointment::where('patient_id', $patientId)
+            ->whereIn('status', ['scheduled', 'confirmed', 'in_progress'])
+            ->whereBetween('appointment_date', [$startTime, $endTime->copy()->subSecond()]);
+
+        if ($excludeId) {
+            $query->where('id', '!=', $excludeId);
+        }
+
+        return $query->exists();
+    }
+
+    /**
+     * Get available time slots for a therapist on a given date
+     */
+    public function getAvailableSlots(int $therapistId, string $date, int $duration = 60): array
+    {
+        $workingHours = ['09:00', '17:00']; // 9 AM to 5 PM
+        $slotInterval = 30; // minutes
+        
+        $slots = [];
+        $start = Carbon::parse("$date {$workingHours[0]}");
+        $end = Carbon::parse("$date {$workingHours[1]}");
+
+        while ($start->lt($end)) {
+            $slotEnd = $start->copy()->addMinutes($duration);
+            
+            if ($slotEnd->lte($end) && !$this->hasConflict($therapistId, $start, $duration)) {
+                $slots[] = $start->format('H:i');
+            }
+            
+            $start->addMinutes($slotInterval);
+        }
+
+        return $slots;
+    }
+
+    /**
+     * Get calendar feed for a date range
+     */
+    public function getCalendarFeed(string $startDate, string $endDate, ?int $therapistId = null): array
+    {
+        $query = Appointment::with(['patient', 'user'])
+            ->whereBetween('appointment_date', [$startDate, $endDate]);
+
+        if ($therapistId) {
+            $query->where('user_id', $therapistId);
+        }
+
+        return $query->orderBy('appointment_date')->get()->toArray();
+    }
+
+    /**
+     * Consume a package session for an appointment
+     */
+    public function consumePackageSession(Appointment $appointment, int $patientPackageId): bool
+    {
+        $patientPackage = \App\Models\PatientPackage::find($patientPackageId);
+        
+        if (!$patientPackage || $patientPackage->patient_id !== $appointment->patient_id) {
+            return false;
+        }
+
+        return $patientPackage->consumeSession();
+    }
+}