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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace App\Domain\Admin\Repository; |
| 6 | |
| 7 | use App\Domain\Admin\Data\AdminStatsData; |
| 8 | use App\Support\Row; |
| 9 | use PDO; |
| 10 | use RuntimeException; |
| 11 | |
| 12 | use function count; |
| 13 | |
| 14 | /** |
| 15 | * Repository for admin-specific data access operations. |
| 16 | */ |
| 17 | final class AdminRepository |
| 18 | { |
| 19 | public function __construct( |
| 20 | private readonly PDO $pdo |
| 21 | ) {} |
| 22 | |
| 23 | /** |
| 24 | * Get platform-wide statistics for admin dashboard. |
| 25 | */ |
| 26 | public function getStats(): AdminStatsData |
| 27 | { |
| 28 | $sql = " |
| 29 | SELECT |
| 30 | (SELECT COUNT(*) FROM investors) as \"totalInvestors\", |
| 31 | (SELECT COUNT(*) FROM investors WHERE status = 'active') as \"activeInvestors\", |
| 32 | (SELECT COUNT(*) FROM investors WHERE kyc_status = 'pending') as \"pendingKyc\", |
| 33 | (SELECT COUNT(*) FROM accounts) as \"totalAccounts\", |
| 34 | (SELECT COUNT(*) FROM accounts WHERE status = 'active') as \"activeAccounts\", |
| 35 | (SELECT COUNT(*) FROM accounts WHERE status = 'pending') as \"pendingAccounts\", |
| 36 | (SELECT COALESCE(SUM(balance), 0)::TEXT FROM accounts) as \"totalAum\", |
| 37 | (SELECT COALESCE(SUM(available_for_loan), 0)::TEXT FROM accounts) as \"totalAvailableForLoan\", |
| 38 | (SELECT COALESCE(SUM(outstanding_balance), 0)::TEXT FROM lending.loans WHERE status IN ('active', 'disbursed')) as \"loansOutstanding\" |
| 39 | "; |
| 40 | |
| 41 | $stmt = $this->pdo->query($sql); |
| 42 | |
| 43 | if ($stmt === false) { |
| 44 | throw new RuntimeException('Failed to execute stats query'); |
| 45 | } |
| 46 | |
| 47 | $row = $stmt->fetch(PDO::FETCH_ASSOC); |
| 48 | |
| 49 | if (!is_array($row)) { |
| 50 | throw new RuntimeException('Stats query returned no row'); |
| 51 | } |
| 52 | |
| 53 | return new AdminStatsData($row); |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * Get paginated list of all investors with account info. |
| 58 | * |
| 59 | * @param int $page |
| 60 | * @param int $limit |
| 61 | * @param string|null $search Search by name or email |
| 62 | * @param string|null $kycStatus Filter by KYC status |
| 63 | * @param string|null $status Filter by investor status |
| 64 | * |
| 65 | * @return array{investors: array<mixed>, total: int} |
| 66 | */ |
| 67 | public function getInvestorsList( |
| 68 | int $page = 1, |
| 69 | int $limit = 20, |
| 70 | ?string $search = null, |
| 71 | ?string $kycStatus = null, |
| 72 | ?string $status = null, |
| 73 | ): array { |
| 74 | $offset = ($page - 1) * $limit; |
| 75 | $params = []; |
| 76 | $whereClauses = []; |
| 77 | |
| 78 | // Build WHERE clauses |
| 79 | if ($search !== null && $search !== '') { |
| 80 | $whereClauses[] = '(i.first_name ILIKE :search OR i.last_name ILIKE :search OR i.email ILIKE :search OR a.account_number ILIKE :search)'; |
| 81 | $params['search'] = '%' . $search . '%'; |
| 82 | } |
| 83 | |
| 84 | if ($kycStatus !== null && $kycStatus !== '') { |
| 85 | $whereClauses[] = 'i.kyc_status = :kyc_status'; |
| 86 | $params['kyc_status'] = $kycStatus; |
| 87 | } |
| 88 | |
| 89 | if ($status !== null && $status !== '') { |
| 90 | $whereClauses[] = 'i.status = :status'; |
| 91 | $params['status'] = $status; |
| 92 | } |
| 93 | |
| 94 | $whereClause = count($whereClauses) > 0 ? 'WHERE ' . implode(' AND ', $whereClauses) : ''; |
| 95 | |
| 96 | // Count total |
| 97 | $countSql = "SELECT COUNT(*) FROM investors i LEFT JOIN accounts a ON i.investor_id = a.investor_id {$whereClause}"; |
| 98 | $countStmt = $this->pdo->prepare($countSql); |
| 99 | $countStmt->execute($params); |
| 100 | $total = (int)$countStmt->fetchColumn(); |
| 101 | |
| 102 | // Get investors with account data |
| 103 | $sql = " |
| 104 | SELECT |
| 105 | i.investor_id as \"investorId\", |
| 106 | i.first_name as \"firstName\", |
| 107 | i.last_name as \"lastName\", |
| 108 | i.email, |
| 109 | i.phone, |
| 110 | i.kyc_status as \"kycStatus\", |
| 111 | i.status, |
| 112 | i.created_at as \"createdAt\", |
| 113 | a.account_id as \"accountId\", |
| 114 | a.account_number as \"accountNumber\", |
| 115 | a.balance::TEXT as balance, |
| 116 | a.status as \"accountStatus\", |
| 117 | u.user_id as \"userId\" |
| 118 | FROM investors i |
| 119 | LEFT JOIN accounts a ON i.investor_id = a.investor_id |
| 120 | LEFT JOIN users u ON i.investor_id = u.investor_id |
| 121 | {$whereClause} |
| 122 | ORDER BY i.created_at DESC |
| 123 | LIMIT :limit OFFSET :offset |
| 124 | "; |
| 125 | |
| 126 | $stmt = $this->pdo->prepare($sql); |
| 127 | |
| 128 | if ($stmt === false) { |
| 129 | throw new RuntimeException('Failed to prepare investors list statement'); |
| 130 | } |
| 131 | |
| 132 | foreach ($params as $key => $value) { |
| 133 | $stmt->bindValue($key, $value); |
| 134 | } |
| 135 | $stmt->bindValue('limit', $limit, PDO::PARAM_INT); |
| 136 | $stmt->bindValue('offset', $offset, PDO::PARAM_INT); |
| 137 | |
| 138 | $stmt->execute(); |
| 139 | $investors = $stmt->fetchAll(PDO::FETCH_ASSOC); |
| 140 | |
| 141 | return [ |
| 142 | 'investors' => $investors, |
| 143 | 'total' => $total, |
| 144 | ]; |
| 145 | } |
| 146 | |
| 147 | /** |
| 148 | * Get platform-wide AUM balance history (total balance across all accounts per day). |
| 149 | * |
| 150 | * @return list<array<mixed>> |
| 151 | */ |
| 152 | public function getAumHistory(): array |
| 153 | { |
| 154 | // Exclude future-dated rows: the bulk data generator and a since-fixed |
| 155 | // interest projection have both left snapshot rows dated far in the |
| 156 | // future (e.g. 2099-01-01), which otherwise add a bogus data point and |
| 157 | // blow out the chart's date axis. |
| 158 | $sql = " |
| 159 | SELECT |
| 160 | snapshot_date::TEXT AS date, |
| 161 | SUM(balance)::TEXT AS value |
| 162 | FROM daily_account_balance |
| 163 | WHERE snapshot_date <= CURRENT_DATE |
| 164 | GROUP BY snapshot_date |
| 165 | ORDER BY snapshot_date |
| 166 | "; |
| 167 | |
| 168 | $stmt = $this->pdo->query($sql); |
| 169 | |
| 170 | if ($stmt === false) { |
| 171 | throw new RuntimeException('Failed to execute AUM history query'); |
| 172 | } |
| 173 | |
| 174 | $rows = []; |
| 175 | foreach ($stmt->fetchAll(PDO::FETCH_ASSOC) as $row) { |
| 176 | $rows[] = Row::from($row); |
| 177 | } |
| 178 | |
| 179 | return $rows; |
| 180 | } |
| 181 | |
| 182 | /** |
| 183 | * Get all transactions across the platform (paginated, filterable). |
| 184 | * |
| 185 | * @param int $page |
| 186 | * @param int $limit |
| 187 | * @param string|null $type |
| 188 | * @param string|null $search |
| 189 | * @param string|null $startDate |
| 190 | * @param string|null $endDate |
| 191 | * |
| 192 | * @return array{data: array<mixed>, total: int} |
| 193 | */ |
| 194 | public function getAllTransactions( |
| 195 | int $page = 1, |
| 196 | int $limit = 25, |
| 197 | ?string $type = null, |
| 198 | ?string $search = null, |
| 199 | ?string $startDate = null, |
| 200 | ?string $endDate = null, |
| 201 | ): array { |
| 202 | $offset = ($page - 1) * $limit; |
| 203 | $conditions = []; |
| 204 | $params = []; |
| 205 | |
| 206 | if ($type !== null && $type !== '') { |
| 207 | $conditions[] = 't.transaction_type = :type'; |
| 208 | $params['type'] = $type; |
| 209 | } |
| 210 | |
| 211 | if ($search !== null && $search !== '') { |
| 212 | $conditions[] = '(a.account_number ILIKE :search OR t.description ILIKE :search OR t.reference_number ILIKE :search OR i.first_name ILIKE :search OR i.last_name ILIKE :search)'; |
| 213 | $params['search'] = '%' . $search . '%'; |
| 214 | } |
| 215 | |
| 216 | if ($startDate !== null && $startDate !== '') { |
| 217 | $conditions[] = 't.created_at >= :start_date'; |
| 218 | $params['start_date'] = $startDate . ' 00:00:00'; |
| 219 | } |
| 220 | |
| 221 | if ($endDate !== null && $endDate !== '') { |
| 222 | $conditions[] = 't.created_at <= :end_date'; |
| 223 | $params['end_date'] = $endDate . ' 23:59:59'; |
| 224 | } |
| 225 | |
| 226 | $whereClause = count($conditions) > 0 ? 'WHERE ' . implode(' AND ', $conditions) : ''; |
| 227 | |
| 228 | $countSql = " |
| 229 | SELECT COUNT(*) |
| 230 | FROM transactions t |
| 231 | JOIN accounts a ON t.account_id = a.account_id |
| 232 | JOIN investors i ON a.investor_id = i.investor_id |
| 233 | {$whereClause} |
| 234 | "; |
| 235 | $countStmt = $this->pdo->prepare($countSql); |
| 236 | $countStmt->execute($params); |
| 237 | $total = (int)$countStmt->fetchColumn(); |
| 238 | |
| 239 | // Pool balance is calculated over ALL transactions (unfiltered), |
| 240 | // then filters are applied to select which rows to display |
| 241 | $sql = " |
| 242 | WITH pool AS ( |
| 243 | SELECT |
| 244 | t.transaction_id, |
| 245 | SUM( |
| 246 | CASE WHEN t.transaction_type IN ('investment', 'transfer_in', 'interest') |
| 247 | THEN t.amount |
| 248 | ELSE -t.amount |
| 249 | END |
| 250 | ) OVER (ORDER BY t.created_at, t.transaction_id)::TEXT AS \"poolBalanceAfter\" |
| 251 | FROM transactions t |
| 252 | WHERE t.status = 'completed' |
| 253 | ) |
| 254 | SELECT |
| 255 | t.transaction_id AS \"transactionId\", |
| 256 | t.account_id AS \"accountId\", |
| 257 | t.transaction_type AS \"transactionType\", |
| 258 | t.amount::TEXT AS amount, |
| 259 | t.balance_after::TEXT AS \"balanceAfter\", |
| 260 | t.description, |
| 261 | t.reference_number AS \"referenceNumber\", |
| 262 | t.created_at AS \"createdAt\", |
| 263 | t.status, |
| 264 | a.account_number AS \"accountNumber\", |
| 265 | i.investor_id AS \"investorId\", |
| 266 | i.first_name AS \"investorFirstName\", |
| 267 | i.last_name AS \"investorLastName\", |
| 268 | p.\"poolBalanceAfter\" |
| 269 | FROM transactions t |
| 270 | JOIN accounts a ON t.account_id = a.account_id |
| 271 | JOIN investors i ON a.investor_id = i.investor_id |
| 272 | JOIN pool p ON t.transaction_id = p.transaction_id |
| 273 | {$whereClause} |
| 274 | ORDER BY t.created_at DESC |
| 275 | LIMIT :limit OFFSET :offset |
| 276 | "; |
| 277 | |
| 278 | $stmt = $this->pdo->prepare($sql); |
| 279 | |
| 280 | if ($stmt === false) { |
| 281 | throw new RuntimeException('Failed to prepare transactions query'); |
| 282 | } |
| 283 | |
| 284 | foreach ($params as $key => $value) { |
| 285 | $stmt->bindValue($key, $value); |
| 286 | } |
| 287 | $stmt->bindValue('limit', $limit, PDO::PARAM_INT); |
| 288 | $stmt->bindValue('offset', $offset, PDO::PARAM_INT); |
| 289 | $stmt->execute(); |
| 290 | |
| 291 | return [ |
| 292 | 'data' => $stmt->fetchAll(PDO::FETCH_ASSOC), |
| 293 | 'total' => $total, |
| 294 | ]; |
| 295 | } |
| 296 | |
| 297 | /** |
| 298 | * Lending-side activity feed: union of confirmed disbursements and loan |
| 299 | * payments. Replaces what used to surface as `loan_disbursement` rows in |
| 300 | * the Treasury transaction stream pre-FSC-96. |
| 301 | * |
| 302 | * @param int $page |
| 303 | * @param int $limit |
| 304 | * @return array{data: array<mixed>, total: int} |
| 305 | */ |
| 306 | public function getLendingActivity(int $page = 1, int $limit = 25): array |
| 307 | { |
| 308 | $offset = ($page - 1) * $limit; |
| 309 | |
| 310 | $countSql = " |
| 311 | SELECT ( |
| 312 | (SELECT COUNT(*) FROM lending.disbursements WHERE status = 'disbursed') |
| 313 | + (SELECT COUNT(*) FROM lending.loan_payments) |
| 314 | ) AS total |
| 315 | "; |
| 316 | $countStmt = $this->pdo->query($countSql); |
| 317 | if ($countStmt === false) { |
| 318 | throw new RuntimeException('Failed to execute lending activity count'); |
| 319 | } |
| 320 | $total = (int)$countStmt->fetchColumn(); |
| 321 | |
| 322 | $sql = " |
| 323 | SELECT * FROM ( |
| 324 | SELECT |
| 325 | 'disbursement' AS \"activityType\", |
| 326 | d.disbursement_id AS \"activityId\", |
| 327 | d.loan_id AS \"loanId\", |
| 328 | l.investor_id AS \"investorId\", |
| 329 | i.first_name AS \"investorFirstName\", |
| 330 | i.last_name AS \"investorLastName\", |
| 331 | d.confirmed_amount::TEXT AS amount, |
| 332 | d.disbursed_date::TEXT AS \"date\", |
| 333 | d.bank_reference AS reference, |
| 334 | d.disbursed_by AS \"actorUserId\", |
| 335 | d.updated_at AS \"createdAt\" |
| 336 | FROM lending.disbursements d |
| 337 | JOIN lending.loans l ON l.loan_id = d.loan_id |
| 338 | JOIN investors i ON i.investor_id = l.investor_id |
| 339 | WHERE d.status = 'disbursed' |
| 340 | UNION ALL |
| 341 | SELECT |
| 342 | 'payment' AS \"activityType\", |
| 343 | p.payment_id AS \"activityId\", |
| 344 | p.loan_id AS \"loanId\", |
| 345 | l.investor_id AS \"investorId\", |
| 346 | i.first_name AS \"investorFirstName\", |
| 347 | i.last_name AS \"investorLastName\", |
| 348 | p.amount_paid::TEXT AS amount, |
| 349 | p.payment_date::TEXT AS \"date\", |
| 350 | p.payment_method AS reference, |
| 351 | NULL::INTEGER AS \"actorUserId\", |
| 352 | p.created_at AS \"createdAt\" |
| 353 | FROM lending.loan_payments p |
| 354 | JOIN lending.loans l ON l.loan_id = p.loan_id |
| 355 | JOIN investors i ON i.investor_id = l.investor_id |
| 356 | ) feed |
| 357 | ORDER BY \"createdAt\" DESC |
| 358 | LIMIT :limit OFFSET :offset |
| 359 | "; |
| 360 | |
| 361 | $stmt = $this->pdo->prepare($sql); |
| 362 | if ($stmt === false) { |
| 363 | throw new RuntimeException('Failed to prepare lending activity query'); |
| 364 | } |
| 365 | $stmt->bindValue('limit', $limit, PDO::PARAM_INT); |
| 366 | $stmt->bindValue('offset', $offset, PDO::PARAM_INT); |
| 367 | $stmt->execute(); |
| 368 | |
| 369 | return [ |
| 370 | 'data' => $stmt->fetchAll(PDO::FETCH_ASSOC), |
| 371 | 'total' => $total, |
| 372 | ]; |
| 373 | } |
| 374 | |
| 375 | /** |
| 376 | * Get detailed investor info for admin view. |
| 377 | * |
| 378 | * @param int $investorId |
| 379 | * |
| 380 | * @return array<mixed>|null |
| 381 | */ |
| 382 | public function getInvestorDetail(int $investorId): ?array |
| 383 | { |
| 384 | $sql = ' |
| 385 | SELECT |
| 386 | i.investor_id as "investorId", |
| 387 | i.first_name as "firstName", |
| 388 | i.last_name as "lastName", |
| 389 | i.email, |
| 390 | i.phone, |
| 391 | i.date_of_birth as "dateOfBirth", |
| 392 | i.address_line1 as "addressLine1", |
| 393 | i.address_line2 as "addressLine2", |
| 394 | i.city, |
| 395 | i.state, |
| 396 | i.zip_code as "zipCode", |
| 397 | i.country, |
| 398 | i.kyc_status as "kycStatus", |
| 399 | i.status, |
| 400 | i.created_at as "createdAt", |
| 401 | i.updated_at as "updatedAt", |
| 402 | a.account_id as "accountId", |
| 403 | a.account_number as "accountNumber", |
| 404 | a.balance::TEXT as balance, |
| 405 | a.available_balance::TEXT as "availableBalance", |
| 406 | a.available_for_loan::TEXT as "availableForLoan", |
| 407 | COALESCE(a.interest_rate, get_loan_config(\'account_yield_rate\'))::TEXT as "interestRate", |
| 408 | a.loan_to_value_ratio::TEXT as "loanToValueRatio", |
| 409 | a.status as "accountStatus", |
| 410 | a.opened_date as "openedDate", |
| 411 | u.user_id as "userId", |
| 412 | u.username, |
| 413 | u.role |
| 414 | FROM investors i |
| 415 | LEFT JOIN accounts a ON i.investor_id = a.investor_id |
| 416 | LEFT JOIN users u ON i.investor_id = u.investor_id |
| 417 | WHERE i.investor_id = :investor_id |
| 418 | '; |
| 419 | |
| 420 | $stmt = $this->pdo->prepare($sql); |
| 421 | |
| 422 | if ($stmt === false) { |
| 423 | throw new RuntimeException('Failed to prepare investor detail statement'); |
| 424 | } |
| 425 | |
| 426 | $stmt->execute(['investor_id' => $investorId]); |
| 427 | |
| 428 | $row = $stmt->fetch(PDO::FETCH_ASSOC); |
| 429 | |
| 430 | return is_array($row) ? $row : null; |
| 431 | } |
| 432 | } |