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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** @license For full copyright and license information, please see the LICENSE.md file. */ |
| 6 | |
| 7 | namespace App\Modules\Tax\Application\Service; |
| 8 | |
| 9 | defined('AMMONLY_APP') || exit('Direct script access is forbidden.'); |
| 10 | |
| 11 | use App\Modules\Tax\Application\DTO\CalculateDocumentRequest; |
| 12 | use App\Modules\Tax\Application\DTO\TaxGroupDto; |
| 13 | use App\Modules\Tax\Application\DTO\TaxRateDto; |
| 14 | use App\Modules\Tax\Application\DTO\TaxRuleDto; |
| 15 | use App\Modules\Tax\Domain\Model\TaxGroup; |
| 16 | use App\Modules\Tax\Domain\Model\TaxGroupItem; |
| 17 | use App\Modules\Tax\Domain\Model\TaxRate; |
| 18 | use App\Modules\Tax\Domain\Model\TaxRule; |
| 19 | use App\Modules\Tax\Domain\Repository\TaxGroupRepositoryInterface; |
| 20 | use App\Modules\Tax\Domain\Repository\TaxRateRepositoryInterface; |
| 21 | use App\Modules\Tax\Domain\Repository\TaxRuleRepositoryInterface; |
| 22 | use App\Modules\Tax\Domain\Service\TaxDeterminationMatrix; |
| 23 | use App\Modules\Tax\Domain\Service\TaxEngine; |
| 24 | use App\Modules\Tax\Domain\ValueObject\DocumentTaxSummary; |
| 25 | use App\Modules\Tax\Domain\ValueObject\RoundingMethod; |
| 26 | use App\Modules\Tax\Domain\ValueObject\RoundingStrategy; |
| 27 | use App\Modules\Tax\Domain\ValueObject\TaxCalculationMode; |
| 28 | use App\Modules\Tax\Domain\ValueObject\TaxStatus; |
| 29 | use InvalidArgumentException; |
| 30 | |
| 31 | /** |
| 32 | * Application Service for managing tax domain operations and calculations. |
| 33 | */ |
| 34 | final readonly class TaxApplicationService |
| 35 | { |
| 36 | /** |
| 37 | * TaxApplicationService constructor. |
| 38 | */ |
| 39 | public function __construct( |
| 40 | private TaxRateRepositoryInterface $taxRateRepo, |
| 41 | private TaxGroupRepositoryInterface $taxGroupRepo, |
| 42 | private TaxRuleRepositoryInterface $taxRuleRepo, |
| 43 | private TaxEngine $taxEngine, |
| 44 | private TaxDeterminationMatrix $determinationMatrix, |
| 45 | ) { |
| 46 | } |
| 47 | |
| 48 | /** |
| 49 | * List all tax rates. |
| 50 | * |
| 51 | * @param array<string, mixed> $filters |
| 52 | * @return TaxRate[] |
| 53 | */ |
| 54 | public function getTaxRates(array $filters = []): array |
| 55 | { |
| 56 | return $this->taxRateRepo->findAll($filters); |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Find single tax rate by ID. |
| 61 | */ |
| 62 | public function getTaxRate(int $id): ?TaxRate |
| 63 | { |
| 64 | return $this->taxRateRepo->findById($id); |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Save tax rate from DTO. |
| 69 | */ |
| 70 | public function saveTaxRate(TaxRateDto $dto, int $owner = 1): TaxRate |
| 71 | { |
| 72 | if ($dto->taxCode === '' || $dto->taxName === '') { |
| 73 | throw new InvalidArgumentException('Tax code and name are required.'); |
| 74 | } |
| 75 | |
| 76 | $taxRate = new TaxRate( |
| 77 | id: $dto->id, |
| 78 | taxCode: $dto->taxCode, |
| 79 | taxName: $dto->taxName, |
| 80 | ratePercent: $dto->ratePercent, |
| 81 | calculationMode: TaxCalculationMode::from($dto->calculationMode), |
| 82 | taxStatus: TaxStatus::from($dto->taxStatus), |
| 83 | legalExemptionNote: $dto->legalExemptionNote, |
| 84 | fiscalCode: $dto->fiscalCode, |
| 85 | isDefault: $dto->isDefault, |
| 86 | isActive: $dto->isActive, |
| 87 | owner: $owner, |
| 88 | ); |
| 89 | |
| 90 | return $this->taxRateRepo->save($taxRate); |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * Delete tax rate by ID. |
| 95 | */ |
| 96 | public function deleteTaxRate(int $id): bool |
| 97 | { |
| 98 | return $this->taxRateRepo->delete($id); |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * List all tax groups. |
| 103 | * |
| 104 | * @param array<string, mixed> $filters |
| 105 | * @return TaxGroup[] |
| 106 | */ |
| 107 | public function getTaxGroups(array $filters = []): array |
| 108 | { |
| 109 | return $this->taxGroupRepo->findAll($filters); |
| 110 | } |
| 111 | |
| 112 | /** |
| 113 | * Find tax group by ID. |
| 114 | */ |
| 115 | public function getTaxGroup(int $id): ?TaxGroup |
| 116 | { |
| 117 | return $this->taxGroupRepo->findById($id); |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * Save tax group from DTO. |
| 122 | */ |
| 123 | public function saveTaxGroup(TaxGroupDto $dto, int $owner = 1): TaxGroup |
| 124 | { |
| 125 | if ($dto->groupCode === '' || $dto->groupName === '') { |
| 126 | throw new InvalidArgumentException('Group code and name are required.'); |
| 127 | } |
| 128 | |
| 129 | $group = new TaxGroup( |
| 130 | id: $dto->id, |
| 131 | groupCode: $dto->groupCode, |
| 132 | groupName: $dto->groupName, |
| 133 | description: $dto->description, |
| 134 | isActive: $dto->isActive, |
| 135 | items: [], |
| 136 | owner: $owner, |
| 137 | ); |
| 138 | |
| 139 | $savedGroup = $this->taxGroupRepo->save($group); |
| 140 | $groupId = $savedGroup->id ?? 0; |
| 141 | |
| 142 | $items = []; |
| 143 | foreach ($dto->items as $itemData) { |
| 144 | $items[] = new TaxGroupItem( |
| 145 | id: null, |
| 146 | taxGroupId: $groupId, |
| 147 | taxRateId: $itemData['tax_rate_id'], |
| 148 | sequenceOrder: $itemData['sequence_order'] ?? 1, |
| 149 | isCompound: $itemData['is_compound'] ?? false |
| 150 | ); |
| 151 | } |
| 152 | |
| 153 | $savedGroup->items = $items; |
| 154 | |
| 155 | return $this->taxGroupRepo->save($savedGroup); |
| 156 | } |
| 157 | |
| 158 | /** |
| 159 | * Delete tax group by ID. |
| 160 | */ |
| 161 | public function deleteTaxGroup(int $id): bool |
| 162 | { |
| 163 | return $this->taxGroupRepo->delete($id); |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * List all tax determination rules. |
| 168 | * |
| 169 | * @param array<string, mixed> $filters |
| 170 | * @return TaxRule[] |
| 171 | */ |
| 172 | public function getTaxRules(array $filters = []): array |
| 173 | { |
| 174 | return $this->taxRuleRepo->findAll($filters); |
| 175 | } |
| 176 | |
| 177 | /** |
| 178 | * Find single tax rule by ID. |
| 179 | */ |
| 180 | public function getTaxRule(int $id): ?TaxRule |
| 181 | { |
| 182 | return $this->taxRuleRepo->findById($id); |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * Save tax rule from DTO. |
| 187 | */ |
| 188 | public function saveTaxRule(TaxRuleDto $dto, int $owner = 1): TaxRule |
| 189 | { |
| 190 | if ($dto->ruleName === '' || $dto->targetTaxRateId <= 0) { |
| 191 | throw new InvalidArgumentException('Rule name and target tax rate are required.'); |
| 192 | } |
| 193 | |
| 194 | $rule = new TaxRule( |
| 195 | id: $dto->id, |
| 196 | ruleName: $dto->ruleName, |
| 197 | priority: $dto->priority, |
| 198 | customerType: $dto->customerType, |
| 199 | geoZone: $dto->geoZone, |
| 200 | itemType: $dto->itemType, |
| 201 | targetTaxRateId: $dto->targetTaxRateId, |
| 202 | isActive: $dto->isActive, |
| 203 | owner: $owner, |
| 204 | ); |
| 205 | |
| 206 | return $this->taxRuleRepo->save($rule); |
| 207 | } |
| 208 | |
| 209 | /** |
| 210 | * Delete tax rule by ID. |
| 211 | */ |
| 212 | public function deleteTaxRule(int $id): bool |
| 213 | { |
| 214 | return $this->taxRuleRepo->delete($id); |
| 215 | } |
| 216 | |
| 217 | /** |
| 218 | * Calculate and simulate document taxes based on requested parameters and determination rules. |
| 219 | */ |
| 220 | public function calculateDocument(CalculateDocumentRequest $request): DocumentTaxSummary |
| 221 | { |
| 222 | $defaultRate = $this->taxRateRepo->findDefault(); |
| 223 | $activeRules = $this->taxRuleRepo->findAllActive(); |
| 224 | |
| 225 | $items = []; |
| 226 | foreach ($request->items as $rawItem) { |
| 227 | $taxRate = $this->resolveItemTaxRate($rawItem, $request, $activeRules, $defaultRate); |
| 228 | $items[] = [ |
| 229 | 'unit_price' => $rawItem['unit_price'], |
| 230 | 'quantity' => $rawItem['quantity'], |
| 231 | 'discount' => $rawItem['discount'] ?? 0.0, |
| 232 | 'tax_rate' => $taxRate, |
| 233 | 'cost_price' => $rawItem['cost_price'] ?? null, |
| 234 | ]; |
| 235 | } |
| 236 | |
| 237 | $shippingTaxRate = ($request->shippingTaxRateId !== null && $request->shippingTaxRateId > 0) |
| 238 | ? $this->taxRateRepo->findById($request->shippingTaxRateId) |
| 239 | : $defaultRate; |
| 240 | |
| 241 | $strategy = RoundingStrategy::tryFrom($request->roundingStrategy) ?? RoundingStrategy::LINE_LEVEL; |
| 242 | $method = RoundingMethod::tryFrom($request->roundingMethod) ?? RoundingMethod::HALF_UP; |
| 243 | |
| 244 | return $this->taxEngine->calculateDocument( |
| 245 | items: $items, |
| 246 | globalDiscount: $request->globalDiscount, |
| 247 | shippingNet: $request->shippingNet, |
| 248 | shippingTaxRate: $shippingTaxRate, |
| 249 | returnableDeposits: $request->returnableDeposits, |
| 250 | strategy: $strategy, |
| 251 | method: $method |
| 252 | ); |
| 253 | } |
| 254 | |
| 255 | /** |
| 256 | * Resolve appropriate TaxRate for a specific line item. |
| 257 | * |
| 258 | * @param array<string, mixed> $rawItem |
| 259 | * @param TaxRule[] $activeRules |
| 260 | */ |
| 261 | private function findExplicitItemTaxRate(array $rawItem): ?TaxRate |
| 262 | { |
| 263 | if (!empty($rawItem['tax_rate_id'])) { |
| 264 | $found = $this->taxRateRepo->findById((int) $rawItem['tax_rate_id']); |
| 265 | if ($found !== null) { |
| 266 | return $found; |
| 267 | } |
| 268 | } |
| 269 | |
| 270 | if (!empty($rawItem['tax_code'])) { |
| 271 | return $this->taxRateRepo->findByCode((string) $rawItem['tax_code']); |
| 272 | } |
| 273 | |
| 274 | return null; |
| 275 | } |
| 276 | |
| 277 | private function resolveItemTaxRate( |
| 278 | array $rawItem, |
| 279 | CalculateDocumentRequest $request, |
| 280 | array $activeRules, |
| 281 | ?TaxRate $defaultRate |
| 282 | ): TaxRate { |
| 283 | $explicit = $this->findExplicitItemTaxRate($rawItem); |
| 284 | if ($explicit !== null) { |
| 285 | return $explicit; |
| 286 | } |
| 287 | |
| 288 | $itemType = (string) ($rawItem['item_type'] ?? 'product'); |
| 289 | $determined = $this->determinationMatrix->determine( |
| 290 | rules: $activeRules, |
| 291 | customerType: $request->customerType, |
| 292 | geoZone: $request->geoZone, |
| 293 | itemType: $itemType, |
| 294 | fallbackRate: $defaultRate |
| 295 | ); |
| 296 | |
| 297 | return $determined ?? $defaultRate ?? new TaxRate( |
| 298 | id: null, |
| 299 | taxCode: 'VAT_23', |
| 300 | taxName: 'VAT 23% Standard', |
| 301 | ratePercent: 23.0, |
| 302 | calculationMode: TaxCalculationMode::EXCLUSIVE, |
| 303 | taxStatus: TaxStatus::STANDARD |
| 304 | ); |
| 305 | } |
| 306 | } |