sbb45
117 lines
4.7 KiB
PHP
117 lines
4.7 KiB
PHP
<?php
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namespace App\Services;
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use App\Models\Priority;
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use App\Models\RequestType;
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use App\Models\ServiceRequest;
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use App\Models\Status;
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use App\Models\User;
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use Illuminate\Database\Eloquent\Builder;
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use Illuminate\Support\Collection;
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class ReportService
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{
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public function requestBaseQuery(array $filters = []): Builder
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{
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return ServiceRequest::query()
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->with(['assignee', 'type', 'status', 'priority'])
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->when($filters['date_from'] ?? null, fn (Builder $q, $v) => $q->whereDate('created_at', '>=', $v))
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->when($filters['date_to'] ?? null, fn (Builder $q, $v) => $q->whereDate('created_at', '<=', $v))
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->when($filters['technician_id'] ?? null, fn (Builder $q, $v) => $q->where('assigned_to', $v))
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->when($filters['type_id'] ?? null, fn (Builder $q, $v) => $q->where('type_id', $v))
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->when($filters['status_id'] ?? null, fn (Builder $q, $v) => $q->where('status_id', $v));
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}
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public function requestsByStatus(array $filters = []): Collection
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{
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return $this->requestBaseQuery($filters)
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->selectRaw('status_id, COUNT(*) as total')
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->groupBy('status_id')
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->get()
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->map(function ($item) {
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$status = Status::query()->find($item->status_id);
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return [
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'status' => $status?->name ?? 'Неизвестно',
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'color' => $status?->color_hex ?? '#2563eb',
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'total' => (int) $item->total,
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];
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});
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}
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public function requestsByPriority(array $filters = []): Collection
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{
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return $this->requestBaseQuery($filters)
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->selectRaw('priority_id, COUNT(*) as total')
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->groupBy('priority_id')
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->get()
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->map(fn ($item) => [
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'priority' => Priority::query()->find($item->priority_id)?->name,
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'total' => (int) $item->total,
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]);
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}
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public function technicianPerformance(array $filters = []): Collection
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{
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$technicians = User::query()->where('role', 'technician')->get();
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return $technicians->map(function (User $tech) use ($filters) {
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$query = $this->requestBaseQuery($filters)->where('assigned_to', $tech->id);
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$assigned = (clone $query)->count();
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$resolved = (clone $query)->whereHas('status', fn (Builder $q) => $q->whereIn('slug', ['resolved', 'closed']))->count();
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$overdue = (clone $query)->overdue()->count();
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$avgResolution = (clone $query)
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->whereNotNull('completed_at')
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->selectRaw('AVG(TIMESTAMPDIFF(HOUR, created_at, completed_at)) as avg_hours')
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->value('avg_hours');
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$rating = (clone $query)->whereNotNull('client_rating')->avg('client_rating');
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return [
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'technician' => $tech->name,
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'assigned' => $assigned,
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'resolved' => $resolved,
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'avg_resolution_hours' => $avgResolution ? round((float) $avgResolution, 1) : 0,
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'rating' => $rating ? round((float) $rating, 2) : 0,
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'overdue' => $overdue,
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];
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});
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}
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public function slaCompliance(array $filters = []): Collection
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{
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$rows = $this->requestBaseQuery($filters)->with('type')->get()->groupBy('type_id');
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return $rows->map(function (Collection $requests, $typeId) {
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$type = RequestType::query()->find($typeId);
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$total = $requests->count();
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$withinSla = $requests
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->filter(fn (ServiceRequest $request) => $request->completed_at && $request->deadline_at && $request->completed_at->lte($request->deadline_at))
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->count();
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return [
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'type' => $type?->name ?? 'Неизвестно',
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'total' => $total,
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'within_sla' => $withinSla,
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'percent' => $total > 0 ? round(($withinSla / $total) * 100, 2) : 0,
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];
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})->values();
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}
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public function equipmentFailureFrequency(array $filters = []): Collection
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{
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return $this->requestBaseQuery($filters)
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->whereNotNull('equipment_id')
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->with('equipment')
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->get()
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->groupBy('equipment_id')
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->map(fn (Collection $requests, $equipmentId) => [
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'equipment' => $requests->first()?->equipment?->name ?? 'Неизвестно',
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'total_requests' => $requests->count(),
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'open' => $requests->filter(fn (ServiceRequest $r) => !$r->status?->is_final)->count(),
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'closed' => $requests->filter(fn (ServiceRequest $r) => $r->status?->is_final)->count(),
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])
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->values();
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}
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}
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