137 lines
4.8 KiB
PHP
137 lines
4.8 KiB
PHP
<?php
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namespace App\Services\Store;
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use App\Models\Household;
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use App\Models\PartnerStore;
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use App\Models\QrCode;
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use App\Models\QrCodeBatch;
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use App\Models\StoreInventory;
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use App\Models\StorePurchase;
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use App\Models\StoreSale;
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use App\Notifications\CodesPurchased;
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use App\Services\Qr\BatchGenerator;
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use App\States\QrCode\Active;
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use App\States\QrCode\Allocated;
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use App\States\QrCode\Unassigned;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Support\Facades\Notification;
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class StoreOperations
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{
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public function __construct(private readonly BatchGenerator $batches) {}
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/**
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* Issue a new wholesale batch to a store. Generates a fresh batch
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* targeted at the store, marks codes as `allocated` to that store,
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* tops up the store's inventory, and records a StorePurchase.
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*/
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public function issueWholesale(
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PartnerStore $store,
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int $quantity,
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int $wholesalePriceCentavos,
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?\DateTimeInterface $paidAt = null,
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): StorePurchase {
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return DB::transaction(function () use ($store, $quantity, $wholesalePriceCentavos, $paidAt) {
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$batch = $this->batches->generate(
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quantity: $quantity,
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purpose: QrCodeBatch::PURPOSE_STORE,
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targetArea: null,
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targetStoreId: $store->id,
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createdBy: null,
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notes: "Wholesale to store {$store->business_name}",
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);
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$now = now();
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QrCode::query()
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->where('batch_id', $batch->id)
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->where('status', Unassigned::$name)
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->update([
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'status' => Allocated::$name,
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'assigned_to_store_id' => $store->id,
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'allocated_at' => $now,
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'updated_at' => $now,
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]);
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$purchase = StorePurchase::create([
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'store_id' => $store->id,
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'batch_id' => $batch->id,
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'quantity' => $quantity,
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'wholesale_price_centavos' => $wholesalePriceCentavos,
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'paid_at' => $paidAt ?? $now,
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]);
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$inventory = StoreInventory::firstOrCreate(['store_id' => $store->id], ['current_code_balance' => 0]);
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$inventory->forceFill([
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'current_code_balance' => $inventory->current_code_balance + $quantity,
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'last_updated_at' => $now,
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])->save();
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return $purchase;
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});
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}
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/**
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* Sell N codes from a store's inventory to a resident's household.
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* Codes transition allocated -> active and reassign household.
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*/
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public function sellToHousehold(
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PartnerStore $store,
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Household $household,
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int $quantity,
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int $retailPricePerCodeCentavos,
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): StoreSale {
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return DB::transaction(function () use ($store, $household, $quantity, $retailPricePerCodeCentavos) {
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$codeIds = QrCode::query()
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->where('assigned_to_store_id', $store->id)
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->where('status', Allocated::$name)
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->orderBy('id')
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->limit($quantity)
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->lockForUpdate()
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->pluck('id');
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if ($codeIds->count() < $quantity) {
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throw new \DomainException("Store has only {$codeIds->count()} codes available");
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}
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$now = now();
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QrCode::whereIn('id', $codeIds)->update([
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'status' => Active::$name,
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'assigned_to_household_id' => $household->id,
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'assigned_to_store_id' => null,
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'activated_at' => $now,
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'updated_at' => $now,
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]);
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$totalRetail = $retailPricePerCodeCentavos * $quantity;
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$commission = (int) round($totalRetail * ($store->commission_rate_percent / 100));
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$sale = StoreSale::create([
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'store_id' => $store->id,
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'household_id' => $household->id,
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'quantity' => $quantity,
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'retail_price_centavos' => $totalRetail,
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'commission_centavos' => $commission,
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'sold_at' => $now,
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]);
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$inventory = StoreInventory::firstOrCreate(['store_id' => $store->id], ['current_code_balance' => 0]);
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$inventory->forceFill([
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'current_code_balance' => max(0, $inventory->current_code_balance - $quantity),
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'last_updated_at' => $now,
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])->save();
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// Notify the household head — fire after commit so the receiver
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// sees the persisted state.
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if ($household->head) {
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Notification::send(
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$household->head,
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new CodesPurchased($quantity, $totalRetail, $store->business_name),
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);
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}
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return $sale;
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});
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}
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}
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