added setting for user

2026-08-16 22:00:23 +03:30
parent c3c3a60088
commit bd8284e4f8
11 changed files with 769 additions and 12 deletions
@@ -0,0 +1,264 @@
+<?php
+
+namespace App\Http\Controllers\Admin;
+
+use App\DB\Te\TableEngine;
+use App\Http\Controllers\Controller;
+use App\Models\Customer;
+use App\Models\CustomerSpecialPricePackage;
+use App\Models\Product;
+use App\Services\ConfigService;
+use App\Services\CustomerSpecialPricingService;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+use Symfony\Component\HttpKernel\Exception\UnprocessableEntityHttpException;
+
+class CustomerSpecialPricePackageController extends Controller
+{
+    public function table(Request $request)
+    {
+        $this->assertFeatureEnabled();
+
+        $query = CustomerSpecialPricePackage::query()
+            ->withCount(['customers', 'products'])
+            ->orderByDesc('id');
+
+        TableEngine::create($query, $request->all())
+            ->initSearch(['title'])
+            ->select(['*'])
+            ->export($query);
+
+        return $query;
+    }
+
+    public function show(int $id)
+    {
+        $this->assertFeatureEnabled();
+
+        $package = CustomerSpecialPricePackage::query()
+            ->with([
+                'customers:id,name,mobile',
+                'products:id,title,group_type',
+            ])
+            ->findOrFail($id);
+
+        $categoryNames = [];
+        if (Schema::hasTable('customer_special_price_package_category')) {
+            $categoryNames = DB::table('customer_special_price_package_category')
+                ->where('package_id', $package->id)
+                ->pluck('category_name')
+                ->all();
+        }
+
+        return response()->json([
+            'package' => $package,
+            'customer_ids' => $package->customers->pluck('id')->values(),
+            'product_ids' => $package->products->pluck('id')->values(),
+            'category_names' => array_values($categoryNames),
+            'customers' => $package->customers,
+            'products' => $package->products,
+        ]);
+    }
+
+    public function store(Request $request)
+    {
+        $this->assertFeatureEnabled();
+        $data = $this->validatedPayload($request);
+
+        $warnings = app(CustomerSpecialPricingService::class)->overlapWarnings(
+            $data['customer_ids'],
+            $data['product_ids']
+        );
+
+        $package = DB::transaction(function () use ($data) {
+            $package = CustomerSpecialPricePackage::create([
+                'title' => $data['title'],
+                'profit_buy' => $data['profit_buy'],
+                'profit_sell' => $data['profit_sell'],
+                'show_product' => $data['show_product'],
+                'is_active' => $data['is_active'],
+            ]);
+            $this->syncRelations($package, $data);
+
+            return $package->fresh();
+        });
+
+        return response()->json([
+            'message' => 'پکیج قیمت ویژه ثبت شد.',
+            'package' => $package,
+            'warnings' => $warnings,
+        ]);
+    }
+
+    public function update(Request $request, int $id)
+    {
+        $this->assertFeatureEnabled();
+        $package = CustomerSpecialPricePackage::findOrFail($id);
+        $data = $this->validatedPayload($request);
+
+        $warnings = app(CustomerSpecialPricingService::class)->overlapWarnings(
+            $data['customer_ids'],
+            $data['product_ids'],
+            (int) $package->id
+        );
+
+        DB::transaction(function () use ($package, $data) {
+            $package->update([
+                'title' => $data['title'],
+                'profit_buy' => $data['profit_buy'],
+                'profit_sell' => $data['profit_sell'],
+                'show_product' => $data['show_product'],
+                'is_active' => $data['is_active'],
+            ]);
+            $this->syncRelations($package, $data);
+        });
+
+        return response()->json([
+            'message' => 'پکیج قیمت ویژه به‌روز شد.',
+            'package' => $package->fresh(),
+            'warnings' => $warnings,
+        ]);
+    }
+
+    public function destroy(int $id)
+    {
+        $this->assertFeatureEnabled();
+        $package = CustomerSpecialPricePackage::findOrFail($id);
+
+        DB::transaction(function () use ($package) {
+            $package->customers()->detach();
+            $package->products()->detach();
+            if (Schema::hasTable('customer_special_price_package_category')) {
+                DB::table('customer_special_price_package_category')->where('package_id', $package->id)->delete();
+            }
+            $package->delete();
+        });
+
+        return response()->json(['message' => 'پکیج حذف شد.']);
+    }
+
+    public function toggleActive(int $id)
+    {
+        $this->assertFeatureEnabled();
+        $package = CustomerSpecialPricePackage::findOrFail($id);
+        $package->is_active = ! $package->is_active;
+        $package->save();
+
+        return response()->json([
+            'message' => $package->is_active ? 'پکیج فعال شد.' : 'پکیج غیرفعال شد.',
+            'is_active' => $package->is_active,
+        ]);
+    }
+
+    public function searchCustomers(Request $request)
+    {
+        $this->assertFeatureEnabled();
+        $q = trim((string) $request->get('q', ''));
+
+        $rows = Customer::query()
+            ->where('type', 2)
+            ->where(function ($query) {
+                $query->where('is_archive', false)->orWhereNull('is_archive');
+            })
+            ->when($q !== '', function ($query) use ($q) {
+                $query->where(function ($inner) use ($q) {
+                    $inner->where('name', 'like', '%' . $q . '%')
+                        ->orWhere('mobile', 'like', '%' . $q . '%')
+                        ->orWhere('id', $q);
+                });
+            })
+            ->orderByDesc('id')
+            ->limit(40)
+            ->get(['id', 'name', 'mobile']);
+
+        return response()->json(['customers' => $rows]);
+    }
+
+    public function productsByCategories(Request $request)
+    {
+        $this->assertFeatureEnabled();
+        $names = array_values(array_filter(array_map('strval', (array) $request->input('category_names', []))));
+
+        if ($names === []) {
+            return response()->json(['products' => []]);
+        }
+
+        $products = Product::query()
+            ->whereIn('group_type', $names)
+            ->orderBy('title')
+            ->get(['id', 'title', 'group_type', 'active']);
+
+        return response()->json(['products' => $products]);
+    }
+
+    private function validatedPayload(Request $request): array
+    {
+        $title = trim((string) $request->input('title', ''));
+        if ($title === '') {
+            throw new UnprocessableEntityHttpException('عنوان پکیج الزامی است.');
+        }
+
+        $customerIds = array_values(array_unique(array_filter(array_map('intval', (array) $request->input('customer_ids', [])))));
+        $productIds = array_values(array_unique(array_filter(array_map('intval', (array) $request->input('product_ids', [])))));
+        $categoryNames = array_values(array_unique(array_filter(array_map(
+            fn ($n) => trim((string) $n),
+            (array) $request->input('category_names', [])
+        ))));
+
+        if ($customerIds === []) {
+            throw new UnprocessableEntityHttpException('حداقل یک کاربر انتخاب کنید.');
+        }
+        if ($categoryNames === []) {
+            throw new UnprocessableEntityHttpException('حداقل یک گروه دسته‌بندی انتخاب کنید.');
+        }
+        if ($productIds === []) {
+            throw new UnprocessableEntityHttpException('حداقل یک محصول انتخاب کنید.');
+        }
+
+        $profitBuy = (int) preg_replace('/[^\d]/', '', (string) $request->input('profit_buy', 0));
+        $profitSell = (int) preg_replace('/[^\d]/', '', (string) $request->input('profit_sell', 0));
+
+        return [
+            'title' => $title,
+            'customer_ids' => $customerIds,
+            'product_ids' => $productIds,
+            'category_names' => $categoryNames,
+            'profit_buy' => max(0, $profitBuy),
+            'profit_sell' => max(0, $profitSell),
+            'show_product' => filter_var($request->input('show_product', true), FILTER_VALIDATE_BOOLEAN),
+            'is_active' => filter_var($request->input('is_active', true), FILTER_VALIDATE_BOOLEAN),
+        ];
+    }
+
+    private function syncRelations(CustomerSpecialPricePackage $package, array $data): void
+    {
+        $package->customers()->sync($data['customer_ids']);
+        $package->products()->sync($data['product_ids']);
+
+        if (Schema::hasTable('customer_special_price_package_category')) {
+            DB::table('customer_special_price_package_category')->where('package_id', $package->id)->delete();
+            $rows = [];
+            foreach ($data['category_names'] as $name) {
+                $rows[] = [
+                    'package_id' => $package->id,
+                    'category_name' => $name,
+                ];
+            }
+            if ($rows !== []) {
+                DB::table('customer_special_price_package_category')->insert($rows);
+            }
+        }
+    }
+
+    private function assertFeatureEnabled(): void
+    {
+        if (! app(CustomerSpecialPricingService::class)->tablesReady()) {
+            throw new UnprocessableEntityHttpException('جدول پکیج قیمت ویژه وجود ندارد. مایگریشن را اجرا کنید.');
+        }
+
+        if (! app(ConfigService::class)->getBool(CustomerSpecialPricingService::SETTING_KEY, false)) {
+            throw new UnprocessableEntityHttpException('قابلیت قیمت ویژه مشتری غیرفعال است.');
+        }
+    }
+}
@@ -572,6 +572,11 @@ class ProductController extends SuperController
        $products->each(function (Product $product) use ($displayPriceService) {
            $product->setAttribute('show', $displayPriceService->resolveCustomerShow($product));
        });
+
+        $customerId = (int) (auth('customer')->id() ?? 0);
+        if ($customerId > 0) {
+            app(\App\Services\CustomerSpecialPricingService::class)->applyToProducts($products, $customerId);
+        }
    }

    /**
@@ -1451,10 +1451,42 @@ class SingleOrderController extends Controller
            ];
        }

+        $customerId = (int) (auth('customer')->id() ?? 0);
+        if ($customerId <= 0) {
+            $customerId = (int) (request()->input('customer_id') ?? 0);
+        }
+        $specialSvc = app(\App\Services\CustomerSpecialPricingService::class);
+        $specialRule = $specialSvc->ruleForCustomerProduct($customerId, (int) ($product->id ?? 0));
+        if ($specialRule && ! ($specialRule['show_product'] ?? true)) {
+            throw new UnprocessableEntityHttpException('این محصول برای شما در دسترس نیست.');
+        }
+        $specialAmt = $specialSvc->profitForDirection($specialRule, $direction);
+        if ($specialAmt > 0) {
+            $amount += $specialAmt;
+            $keys[] = 'customer_special_pricing';
+            $lines[] = [
+                'kind' => 'special_pricing',
+                'key' => 'customer_special_pricing',
+                'label' => 'قیمت ویژه مشتری · ' . ($specialRule['title'] ?? '') . ' · ' . $side,
+                'is_percent' => false,
+                'raw' => $specialAmt,
+                'per_unit' => $specialAmt,
+                'detail' => number_format($specialAmt) . ' ریال / گرم',
+                'package_id' => $specialRule['package_id'] ?? null,
+            ];
+        }
+
        $hasApp = collect($lines)->contains(fn ($l) => ($l['kind'] ?? '') === 'app_spread');
        $hasProduct = collect($lines)->contains(fn ($l) => ($l['kind'] ?? '') === 'product_spread');
+        $hasSpecial = collect($lines)->contains(fn ($l) => ($l['kind'] ?? '') === 'special_pricing');

-        if ($hasApp && $hasProduct) {
+        if ($hasSpecial && ($hasApp || $hasProduct)) {
+            $source = 'app+product+special';
+            $label = 'اختلاف پایه/محصول + قیمت ویژه مشتری = ' . number_format($amount) . ' ریال / گرم';
+        } elseif ($hasSpecial) {
+            $source = 'special';
+            $label = ($lines[array_key_last($lines)]['label'] ?? 'قیمت ویژه مشتری') . ' = ' . number_format($amount) . ' ریال';
+        } elseif ($hasApp && $hasProduct) {
            $source = 'app+product';
            $label = 'قیمت صفحه اصلی اپلیکیشن + تب اختلاف محصول = ' . number_format($amount) . ' ریال / گرم';
        } elseif ($hasApp) {
@@ -54,6 +54,10 @@ class PriceStreamController extends Controller
            $cache = app(LivePriceCacheService::class);
            $last = $cache->get() ?? $cache->buildFromDatabase();
            if (is_array($last) && $last !== []) {
+                if ($customerId > 0) {
+                    $last = app(\App\Services\CustomerSpecialPricingService::class)
+                        ->applyToLastPayload($last, $customerId);
+                }
                $send('last', app(ZaarboxPriceService::class)->attachGoldOunceToPayload($last));
            }

@@ -62,6 +66,13 @@ class PriceStreamController extends Controller
                $send('list', $list);
            }

+            if ($customerId > 0) {
+                $send(
+                    'special-pricing',
+                    app(\App\Services\CustomerSpecialPricingService::class)->clientPayloadForCustomer($customerId)
+                );
+            }
+
            $customerLastId = 0;
            if ($customerId > 0) {
                $assets = app(AssetSummaryService::class)->buildForCustomer(
@@ -197,14 +197,14 @@ class ReportController extends Controller
            if ($cached !== null) {
                $cached['gold_ounce'] = $this->resolveGoldOuncePayload();

-                return $cached;
+                return $this->personalizeLastPriceForCustomer($cached);
            }

            // فقط وقتی کران اخیراً tick زده — وگرنه API زنده (جلوگیری از قفل قیمت)
            if ($cache->hasRecentTick()) {
                $dbBuilt = $cache->buildFromDatabase();
                if (($dbBuilt['price'] ?? 0) > 0) {
-                    return $this->appendUpPrices($dbBuilt, false);
+                    return $this->personalizeLastPriceForCustomer($this->appendUpPrices($dbBuilt, false));
                }
            }
        }
@@ -226,7 +226,7 @@ class ReportController extends Controller
                );
            }

-            return $this->appendUpPrices($storePayload, $forceRefresh);
+            return $this->personalizeLastPriceForCustomer($this->appendUpPrices($storePayload, $forceRefresh));
        }

        $closed = false;
@@ -246,7 +246,7 @@ class ReportController extends Controller
        };

        $zeroResponse = function () use ($forceRefresh) {
-            return $this->appendUpPrices([
+            return $this->personalizeLastPriceForCustomer($this->appendUpPrices([
                'sell' => 0,
                'buy' => 0,
                'price_last' => 0,
@@ -256,7 +256,7 @@ class ReportController extends Controller
                'zaarbox' => 0,
                'closed' => true,
                'time' => now(),
-            ], $forceRefresh);
+            ], $forceRefresh));
        };

        $priceProvider = $config->priceProvider();
@@ -440,7 +440,7 @@ class ReportController extends Controller
                $priceSource = 'database_last';
            } else {
                // مظنه زنده نداریم و show_last_price خاموش است → نه «بسته»، بلکه «مظنه در دسترس نیست»
-                return $this->appendUpPrices([
+                return $this->personalizeLastPriceForCustomer($this->appendUpPrices([
                    'sell' => 0,
                    'buy' => 0,
                    'price_last' => 0,
@@ -451,7 +451,7 @@ class ReportController extends Controller
                    'closed' => false,
                    'status' => 'no_quote',
                    'time' => now(),
-                ], $forceRefresh);
+                ], $forceRefresh));
            }
        }

@@ -485,7 +485,7 @@ class ReportController extends Controller
            );
        }

-        return $this->appendUpPrices([
+        return $this->personalizeLastPriceForCustomer($this->appendUpPrices([
            'sell' => $sell,
            'buy' => $buy,
            'price_last' => $priceLast,
@@ -496,7 +496,19 @@ class ReportController extends Controller
            'zaarbox' => $zaarbox_price ?? 0,
            'closed' => false,
            'time' => now(),
-        ], $forceRefresh);
+        ], $forceRefresh));
+    }
+
+    /** اختلاف پکیج ویژه — فقط روی پاسخ مشتری؛ کش مشترک را آلوده نمی‌کند */
+    protected function personalizeLastPriceForCustomer(array $payload): array
+    {
+        $customerId = (int) (auth('customer')->id() ?? 0);
+        if ($customerId <= 0) {
+            return $payload;
+        }
+
+        return app(\App\Services\CustomerSpecialPricingService::class)
+            ->applyToLastPayload($payload, $customerId);
    }

    protected function recordHalfHourPriceSnapshot(
@@ -0,0 +1,51 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+
+class CustomerSpecialPricePackage extends Model
+{
+    protected $table = 'customer_special_price_packages';
+
+    protected $fillable = [
+        'title',
+        'profit_buy',
+        'profit_sell',
+        'show_product',
+        'is_active',
+    ];
+
+    protected $casts = [
+        'profit_buy' => 'integer',
+        'profit_sell' => 'integer',
+        'show_product' => 'boolean',
+        'is_active' => 'boolean',
+    ];
+
+    public function customers(): BelongsToMany
+    {
+        return $this->belongsToMany(
+            Customer::class,
+            'customer_special_price_package_customer',
+            'package_id',
+            'customer_id'
+        )->withPivot([]);
+    }
+
+    public function products(): BelongsToMany
+    {
+        return $this->belongsToMany(
+            Product::class,
+            'customer_special_price_package_product',
+            'package_id',
+            'product_id'
+        )->withPivot([]);
+    }
+
+    public function scopeActive($query)
+    {
+        return $query->where('is_active', true);
+    }
+}
@@ -0,0 +1,287 @@
+<?php
+
+namespace App\Services;
+
+use App\Models\CustomerSpecialPricePackage;
+use App\Models\Product;
+use Illuminate\Support\Collection;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+/**
+ * قیمت ویژه مشتری — افزون بر buy_fee/sell_fee و cash_fee محصول.
+ * تداخل: آخرین پکیج (updated_at، سپس id).
+ */
+class CustomerSpecialPricingService
+{
+    public const SETTING_KEY = 'customer_special_pricing';
+
+    public function tablesReady(): bool
+    {
+        return Schema::hasTable('customer_special_price_packages')
+            && Schema::hasTable('customer_special_price_package_customer')
+            && Schema::hasTable('customer_special_price_package_product');
+    }
+
+    public function isEnabled(): bool
+    {
+        if (! $this->tablesReady()) {
+            return false;
+        }
+
+        return app(ConfigService::class)->getBool(self::SETTING_KEY, false);
+    }
+
+    /**
+     * @return array{package_id:int,title:string,profit_buy:int,profit_sell:int,show_product:bool}|null
+     */
+    public function ruleForCustomerProduct(int $customerId, int $productId): ?array
+    {
+        if (! $this->isEnabled() || $customerId <= 0 || $productId <= 0) {
+            return null;
+        }
+
+        $row = CustomerSpecialPricePackage::query()
+            ->active()
+            ->whereHas('customers', fn ($q) => $q->where('customers.id', $customerId))
+            ->whereHas('products', fn ($q) => $q->where('products.id', $productId))
+            ->orderByDesc('updated_at')
+            ->orderByDesc('id')
+            ->first(['id', 'title', 'profit_buy', 'profit_sell', 'show_product', 'updated_at']);
+
+        if (! $row) {
+            return null;
+        }
+
+        return [
+            'package_id' => (int) $row->id,
+            'title' => (string) $row->title,
+            'profit_buy' => (int) ($row->profit_buy ?? 0),
+            'profit_sell' => (int) ($row->profit_sell ?? 0),
+            'show_product' => (bool) $row->show_product,
+        ];
+    }
+
+    /**
+     * قوانین مؤثر برای مشتری — هر محصول یک قانون (آخرین پکیج).
+     *
+     * @return array<int, array{package_id:int,title:string,profit_buy:int,profit_sell:int,show_product:bool}>
+     */
+    public function rulesMapForCustomer(int $customerId): array
+    {
+        if (! $this->isEnabled() || $customerId <= 0) {
+            return [];
+        }
+
+        $packages = CustomerSpecialPricePackage::query()
+            ->active()
+            ->whereHas('customers', fn ($q) => $q->where('customers.id', $customerId))
+            ->with(['products:id'])
+            ->orderByDesc('updated_at')
+            ->orderByDesc('id')
+            ->get(['id', 'title', 'profit_buy', 'profit_sell', 'show_product', 'updated_at']);
+
+        $map = [];
+        foreach ($packages as $package) {
+            foreach ($package->products as $product) {
+                $pid = (int) $product->id;
+                if (isset($map[$pid])) {
+                    continue;
+                }
+                $map[$pid] = [
+                    'package_id' => (int) $package->id,
+                    'title' => (string) $package->title,
+                    'profit_buy' => (int) ($package->profit_buy ?? 0),
+                    'profit_sell' => (int) ($package->profit_sell ?? 0),
+                    'show_product' => (bool) $package->show_product,
+                ];
+            }
+        }
+
+        return $map;
+    }
+
+    public function profitForDirection(?array $rule, int $direction): int
+    {
+        if (! $rule) {
+            return 0;
+        }
+
+        return $direction === 2
+            ? (int) ($rule['profit_sell'] ?? 0)
+            : (int) ($rule['profit_buy'] ?? 0);
+    }
+
+    /**
+     * اعمال روی payload تابلو last (buy/sell/price_last) برای محصول اصلی یا اولین قانون آبشده.
+     */
+    public function applyToLastPayload(array $payload, int $customerId): array
+    {
+        if (! $this->isEnabled() || $customerId <= 0) {
+            return $payload;
+        }
+
+        $mainId = app(ConfigService::class)->mainProductId();
+        $rule = null;
+        if ($mainId) {
+            $rule = $this->ruleForCustomerProduct($customerId, (int) $mainId);
+        }
+
+        if (! $rule) {
+            $map = $this->rulesMapForCustomer($customerId);
+            $rule = $map ? reset($map) : null;
+            if (is_array($rule) && ! ($rule['show_product'] ?? true)) {
+                // فقط برای اختلاف قیمت؛ مخفی‌سازی روی لیست محصول است
+            }
+        }
+
+        if (! $rule) {
+            return $payload;
+        }
+
+        $buyExtra = (int) ($rule['profit_buy'] ?? 0);
+        $sellExtra = (int) ($rule['profit_sell'] ?? 0);
+
+        if (isset($payload['buy']) && (int) $payload['buy'] > 0 && $buyExtra > 0) {
+            $payload['buy'] = (int) $payload['buy'] + $buyExtra;
+        }
+        if (isset($payload['sell']) && (int) $payload['sell'] > 0 && $sellExtra > 0) {
+            $payload['sell'] = max(0, (int) $payload['sell'] - $sellExtra);
+        }
+        if (isset($payload['price_last']) && (int) $payload['price_last'] > 0 && $buyExtra > 0) {
+            $payload['price_last'] = (int) $payload['price_last'] + $buyExtra;
+        }
+        if (isset($payload['priceLast']) && (int) $payload['priceLast'] > 0 && $buyExtra > 0) {
+            $payload['priceLast'] = (int) $payload['priceLast'] + $buyExtra;
+        }
+
+        $payload['special_pricing'] = [
+            'package_id' => $rule['package_id'],
+            'title' => $rule['title'],
+            'profit_buy' => $buyExtra,
+            'profit_sell' => $sellExtra,
+        ];
+
+        return $payload;
+    }
+
+    /**
+     * روی کالکشن محصول: ویژه را روی مدل می‌نشاند و در صورت نیاز show را false می‌کند.
+     *
+     * @param  Collection<int, Product>|iterable<Product>  $products
+     */
+    public function applyToProducts($products, int $customerId): void
+    {
+        if (! $this->isEnabled() || $customerId <= 0) {
+            return;
+        }
+
+        $map = $this->rulesMapForCustomer($customerId);
+        if ($map === []) {
+            return;
+        }
+
+        $collection = $products instanceof Collection ? $products : collect($products);
+        foreach ($collection as $product) {
+            if (! $product instanceof Product) {
+                continue;
+            }
+            $pid = (int) ($product->id ?? 0);
+            $rule = $map[$pid] ?? null;
+            if (! $rule) {
+                continue;
+            }
+
+            $product->setAttribute('special_profit_buy', (int) $rule['profit_buy']);
+            $product->setAttribute('special_profit_sell', (int) $rule['profit_sell']);
+            $product->setAttribute('special_package_id', (int) $rule['package_id']);
+            $product->setAttribute('special_package_title', (string) $rule['title']);
+
+            if (! ($rule['show_product'] ?? true)) {
+                $product->setAttribute('show', false);
+            }
+        }
+    }
+
+    /**
+     * هشدار تداخل: مشتری+محصول در پکیج دیگری هم هست.
+     *
+     * @param  list<int>  $customerIds
+     * @param  list<int>  $productIds
+     * @return list<string>
+     */
+    public function overlapWarnings(array $customerIds, array $productIds, ?int $excludePackageId = null): array
+    {
+        if (! $this->tablesReady() || $customerIds === [] || $productIds === []) {
+            return [];
+        }
+
+        $customerIds = array_values(array_unique(array_map('intval', $customerIds)));
+        $productIds = array_values(array_unique(array_map('intval', $productIds)));
+
+        $q = DB::table('customer_special_price_packages as p')
+            ->join('customer_special_price_package_customer as pc', 'pc.package_id', '=', 'p.id')
+            ->join('customer_special_price_package_product as pp', 'pp.package_id', '=', 'p.id')
+            ->join('customers as c', 'c.id', '=', 'pc.customer_id')
+            ->join('products as pr', 'pr.id', '=', 'pp.product_id')
+            ->where('p.is_active', true)
+            ->whereIn('pc.customer_id', $customerIds)
+            ->whereIn('pp.product_id', $productIds)
+            ->select([
+                'p.id as package_id',
+                'p.title as package_title',
+                'c.id as customer_id',
+                'c.name as customer_name',
+                'pr.id as product_id',
+                'pr.title as product_title',
+            ]);
+
+        if ($excludePackageId) {
+            $q->where('p.id', '!=', $excludePackageId);
+        }
+
+        $rows = $q->limit(50)->get();
+        if ($rows->isEmpty()) {
+            return [];
+        }
+
+        $warnings = [];
+        foreach ($rows as $row) {
+            $warnings[] = sprintf(
+                'تداخل: مشتری «%s» (#%d) و محصول «%s» (#%d) در پکیج «%s» (#%d) هم هست — آخرین پکیج اعمال می‌شود.',
+                $row->customer_name ?: '-',
+                (int) $row->customer_id,
+                $row->product_title ?: '-',
+                (int) $row->product_id,
+                $row->package_title ?: '-',
+                (int) $row->package_id
+            );
+        }
+
+        return $warnings;
+    }
+
+    /** payload سبک برای SSE / me */
+    public function clientPayloadForCustomer(int $customerId): array
+    {
+        $map = $this->rulesMapForCustomer($customerId);
+        $products = [];
+        foreach ($map as $productId => $rule) {
+            $products[] = array_merge(['product_id' => (int) $productId], $rule);
+        }
+
+        $mainId = app(ConfigService::class)->mainProductId();
+        $board = null;
+        if ($mainId && isset($map[(int) $mainId])) {
+            $board = $map[(int) $mainId];
+        } elseif ($products !== []) {
+            $board = $products[0];
+        }
+
+        return [
+            'enabled' => $this->isEnabled(),
+            'products' => $products,
+            'board' => $board,
+        ];
+    }
+}