feat(api): .NET 10 multi-tenant REST API
Full backend implementation: - Multi-tenant cafe/restaurant management (menus, orders, tables, staff) - POS order flow with ZarinPal and Snappfood payment integration - OTP authentication via Kavenegar SMS - QR digital menu with public discover/finder endpoints - Customer loyalty, coupons, CRM - PostgreSQL via EF Core, Redis for caching/sessions - Background jobs, webhook handlers - Full migration history Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
soroush.asadi
@@ -0,0 +1,550 @@
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using Microsoft.AspNetCore.SignalR;
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using Meezi.API.Hubs;
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using Meezi.API.Models.Notifications;
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using Meezi.Core.Entities;
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using Meezi.Core.Enums;
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using Meezi.Infrastructure.Data;
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using Microsoft.EntityFrameworkCore;
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namespace Meezi.API.Services;
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public record IngredientDto(
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string Id,
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string Name,
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string Unit,
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decimal QuantityOnHand,
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decimal ReorderLevel,
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decimal UnitCost,
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decimal ParLevel,
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decimal LowStockWarningPercent,
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decimal WarningThreshold,
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decimal StockValueToman,
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bool IsLowStock);
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public record CreateIngredientRequest(
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string Name,
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string Unit,
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decimal QuantityOnHand,
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decimal ReorderLevel,
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decimal UnitCost,
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decimal ParLevel,
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decimal LowStockWarningPercent,
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decimal? TotalPaidToman = null,
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string? BranchId = null);
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public record UpdateIngredientRequest(
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string? Name,
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string? Unit,
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decimal? ReorderLevel,
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decimal? UnitCost,
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decimal? ParLevel,
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decimal? LowStockWarningPercent);
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public record AdjustStockRequest(
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decimal Delta,
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string? Note,
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decimal? TotalPaidToman = null,
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string? BranchId = null);
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public record InventoryPurchaseDto(
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string Id,
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string IngredientId,
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string IngredientName,
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decimal Delta,
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string Unit,
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decimal TotalPaidToman,
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decimal UnitCostAfter,
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DateTime CreatedAt,
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string? ExpenseId);
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public record InventoryPurchasesSummaryDto(
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decimal TotalPaidToman,
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int PurchaseCount,
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IReadOnlyList<InventoryPurchaseDto> Recent);
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public record RecipeLineDto(
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string Id,
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string IngredientId,
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string IngredientName,
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string Unit,
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decimal QuantityPerUnit);
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public record MenuItemRecipeDto(
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string MenuItemId,
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string MenuItemName,
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IReadOnlyList<RecipeLineDto> Lines,
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decimal MaterialCostPerUnitToman);
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public record SetRecipeLineRequest(string IngredientId, decimal QuantityPerUnit);
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public record SetMenuItemRecipeRequest(IReadOnlyList<SetRecipeLineRequest> Lines);
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public record OrderDeductionResult(
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bool Applied,
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IReadOnlyList<string> LowStockIngredientNames);
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public interface IInventoryService
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{
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Task<IReadOnlyList<IngredientDto>> ListAsync(string cafeId, CancellationToken ct = default);
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Task<IReadOnlyList<IngredientDto>> LowStockAsync(string cafeId, CancellationToken ct = default);
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Task<IngredientDto?> CreateAsync(string cafeId, CreateIngredientRequest request, CancellationToken ct = default);
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Task<IngredientDto?> UpdateAsync(string cafeId, string ingredientId, UpdateIngredientRequest request, CancellationToken ct = default);
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Task<IngredientDto?> AdjustAsync(
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string cafeId,
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string ingredientId,
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AdjustStockRequest request,
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string? userId,
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CancellationToken ct = default);
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Task<InventoryPurchasesSummaryDto> GetPurchasesSummaryAsync(
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string cafeId,
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string branchId,
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DateOnly from,
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DateOnly to,
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CancellationToken ct = default);
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Task<MenuItemRecipeDto?> GetRecipeAsync(string cafeId, string menuItemId, CancellationToken ct = default);
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Task<MenuItemRecipeDto?> SetRecipeAsync(string cafeId, string menuItemId, SetMenuItemRecipeRequest request, CancellationToken ct = default);
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Task<OrderDeductionResult> DeductForOrderAsync(
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string cafeId,
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string orderId,
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IReadOnlyList<(string MenuItemId, int Quantity)> lines,
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CancellationToken ct = default);
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}
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public class InventoryService : IInventoryService
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{
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private readonly AppDbContext _db;
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private readonly IHubContext<KdsHub> _kdsHub;
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public InventoryService(AppDbContext db, IHubContext<KdsHub> kdsHub)
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{
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_db = db;
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_kdsHub = kdsHub;
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}
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public async Task<IReadOnlyList<IngredientDto>> ListAsync(string cafeId, CancellationToken ct = default)
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{
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var rows = await _db.Ingredients.AsNoTracking()
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.Where(i => i.CafeId == cafeId)
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.OrderBy(i => i.Name)
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.ToListAsync(ct);
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return rows.Select(ToDto).ToList();
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}
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public async Task<IReadOnlyList<IngredientDto>> LowStockAsync(string cafeId, CancellationToken ct = default)
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{
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var rows = await _db.Ingredients.Where(i => i.CafeId == cafeId).ToListAsync(ct);
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return rows.Where(IsLowStock).Select(ToDto).ToList();
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}
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public async Task<IngredientDto?> CreateAsync(string cafeId, CreateIngredientRequest request, CancellationToken ct = default)
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{
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var par = request.ParLevel > 0 ? request.ParLevel : request.QuantityOnHand;
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var unitCost = ResolveUnitCost(request.QuantityOnHand, request.UnitCost, request.TotalPaidToman);
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var entity = new Ingredient
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{
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Id = $"ing_{Guid.NewGuid():N}"[..24],
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CafeId = cafeId,
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Name = request.Name.Trim(),
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Unit = string.IsNullOrWhiteSpace(request.Unit) ? "عدد" : request.Unit.Trim(),
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QuantityOnHand = request.QuantityOnHand,
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ReorderLevel = request.ReorderLevel,
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UnitCost = unitCost,
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ParLevel = par,
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LowStockWarningPercent = ClampPercent(request.LowStockWarningPercent)
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};
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_db.Ingredients.Add(entity);
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if (request.QuantityOnHand != 0)
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{
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var movement = NewMovement(
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cafeId,
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entity.Id,
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request.QuantityOnHand,
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request.TotalPaidToman > 0 ? StockMovementKind.Purchase : StockMovementKind.Manual,
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null,
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request.TotalPaidToman > 0 ? "خرید اولیه" : "موجودی اولیه",
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request.TotalPaidToman,
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request.BranchId);
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_db.StockMovements.Add(movement);
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if (request.TotalPaidToman > 0 && !string.IsNullOrWhiteSpace(request.BranchId))
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{
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var expense = await TryCreatePurchaseExpenseAsync(
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cafeId,
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request.BranchId,
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request.TotalPaidToman.Value,
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$"خرید انبار: {entity.Name} ({request.QuantityOnHand:N0} {entity.Unit})",
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userId: null,
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ct);
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if (expense is not null)
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movement.ExpenseId = expense.Id;
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}
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}
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await _db.SaveChangesAsync(ct);
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return ToDto(entity);
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}
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public async Task<IngredientDto?> UpdateAsync(
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string cafeId,
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string ingredientId,
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UpdateIngredientRequest request,
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CancellationToken ct = default)
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{
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var entity = await _db.Ingredients.FirstOrDefaultAsync(i => i.Id == ingredientId && i.CafeId == cafeId, ct);
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if (entity is null) return null;
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if (!string.IsNullOrWhiteSpace(request.Name)) entity.Name = request.Name.Trim();
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if (!string.IsNullOrWhiteSpace(request.Unit)) entity.Unit = request.Unit.Trim();
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if (request.ReorderLevel.HasValue) entity.ReorderLevel = request.ReorderLevel.Value;
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if (request.UnitCost.HasValue) entity.UnitCost = request.UnitCost.Value;
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if (request.ParLevel.HasValue) entity.ParLevel = request.ParLevel.Value;
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if (request.LowStockWarningPercent.HasValue)
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entity.LowStockWarningPercent = ClampPercent(request.LowStockWarningPercent.Value);
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await _db.SaveChangesAsync(ct);
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return ToDto(entity);
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}
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public async Task<IngredientDto?> AdjustAsync(
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string cafeId,
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string ingredientId,
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AdjustStockRequest request,
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string? userId,
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CancellationToken ct = default)
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{
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var entity = await _db.Ingredients.FirstOrDefaultAsync(i => i.Id == ingredientId && i.CafeId == cafeId, ct);
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if (entity is null) return null;
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if (request.Delta > 0)
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{
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if (request.TotalPaidToman is null or <= 0)
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throw new InvalidOperationException("TOTAL_PAID_REQUIRED");
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if (string.IsNullOrWhiteSpace(request.BranchId))
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throw new InvalidOperationException("BRANCH_ID_REQUIRED");
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var oldQty = entity.QuantityOnHand;
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var oldValue = oldQty * entity.UnitCost;
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entity.QuantityOnHand += request.Delta;
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entity.UnitCost = entity.QuantityOnHand > 0
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? (oldValue + request.TotalPaidToman.Value) / entity.QuantityOnHand
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: request.TotalPaidToman.Value / request.Delta;
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var movement = NewMovement(
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cafeId,
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ingredientId,
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request.Delta,
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StockMovementKind.Purchase,
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null,
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request.Note?.Trim() ?? "خرید / ورود به انبار",
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request.TotalPaidToman,
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request.BranchId);
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_db.StockMovements.Add(movement);
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var expense = await TryCreatePurchaseExpenseAsync(
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cafeId,
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request.BranchId!,
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request.TotalPaidToman.Value,
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$"خرید انبار: {entity.Name} ({request.Delta:N0} {entity.Unit})",
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userId,
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ct);
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if (expense is not null)
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movement.ExpenseId = expense.Id;
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}
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else
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{
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entity.QuantityOnHand += request.Delta;
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_db.StockMovements.Add(NewMovement(
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cafeId,
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ingredientId,
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request.Delta,
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StockMovementKind.Manual,
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null,
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request.Note?.Trim() ?? "تنظیم دستی",
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null));
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}
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await _db.SaveChangesAsync(ct);
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if (IsLowStock(entity))
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await NotifyLowStockAsync(cafeId, [entity], ct);
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return ToDto(entity);
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}
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public async Task<InventoryPurchasesSummaryDto> GetPurchasesSummaryAsync(
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string cafeId,
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string branchId,
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DateOnly from,
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DateOnly to,
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CancellationToken ct = default)
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{
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var utcStart = from.ToDateTime(TimeOnly.MinValue, DateTimeKind.Utc);
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var utcEnd = to.AddDays(1).ToDateTime(TimeOnly.MinValue, DateTimeKind.Utc);
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var movements = await _db.StockMovements.AsNoTracking()
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.Include(m => m.Ingredient)
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.Where(m => m.CafeId == cafeId
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&& m.BranchId == branchId
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&& m.TotalCostToman != null
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&& m.TotalCostToman > 0
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&& m.CreatedAt >= utcStart
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&& m.CreatedAt < utcEnd)
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.OrderByDescending(m => m.CreatedAt)
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.Take(50)
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.ToListAsync(ct);
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var total = movements.Sum(m => m.TotalCostToman ?? 0);
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var recent = movements.Select(m => new InventoryPurchaseDto(
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m.Id,
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m.IngredientId,
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m.Ingredient.Name,
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m.Delta,
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m.Ingredient.Unit,
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m.TotalCostToman ?? 0,
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m.Ingredient.UnitCost,
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m.CreatedAt,
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m.ExpenseId)).ToList();
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return new InventoryPurchasesSummaryDto(total, recent.Count, recent);
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}
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public async Task<MenuItemRecipeDto?> GetRecipeAsync(string cafeId, string menuItemId, CancellationToken ct = default)
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{
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var item = await _db.MenuItems.AsNoTracking()
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.FirstOrDefaultAsync(m => m.Id == menuItemId && m.CafeId == cafeId, ct);
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if (item is null) return null;
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var lines = await _db.MenuItemIngredients.AsNoTracking()
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.Include(r => r.Ingredient)
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.Where(r => r.CafeId == cafeId && r.MenuItemId == menuItemId)
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.ToListAsync(ct);
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return BuildRecipeDto(item, lines);
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}
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public async Task<MenuItemRecipeDto?> SetRecipeAsync(
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string cafeId,
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string menuItemId,
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SetMenuItemRecipeRequest request,
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CancellationToken ct = default)
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{
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var item = await _db.MenuItems.FirstOrDefaultAsync(m => m.Id == menuItemId && m.CafeId == cafeId, ct);
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if (item is null) return null;
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var existing = await _db.MenuItemIngredients
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.Where(r => r.CafeId == cafeId && r.MenuItemId == menuItemId)
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.ToListAsync(ct);
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_db.MenuItemIngredients.RemoveRange(existing);
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foreach (var line in request.Lines.Where(l => l.QuantityPerUnit > 0))
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{
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var ingOk = await _db.Ingredients.AnyAsync(i => i.Id == line.IngredientId && i.CafeId == cafeId, ct);
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if (!ingOk) continue;
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_db.MenuItemIngredients.Add(new MenuItemIngredient
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{
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Id = $"mii_{Guid.NewGuid():N}"[..24],
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CafeId = cafeId,
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MenuItemId = menuItemId,
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IngredientId = line.IngredientId,
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QuantityPerUnit = line.QuantityPerUnit
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});
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}
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await _db.SaveChangesAsync(ct);
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return await GetRecipeAsync(cafeId, menuItemId, ct);
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}
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public async Task<OrderDeductionResult> DeductForOrderAsync(
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string cafeId,
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string orderId,
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IReadOnlyList<(string MenuItemId, int Quantity)> lines,
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CancellationToken ct = default)
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{
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if (lines.Count == 0)
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return new OrderDeductionResult(false, []);
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var menuItemIds = lines.Select(l => l.MenuItemId).Distinct().ToList();
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var recipes = await _db.MenuItemIngredients
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.Where(r => r.CafeId == cafeId && menuItemIds.Contains(r.MenuItemId))
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.ToListAsync(ct);
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if (recipes.Count == 0)
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return new OrderDeductionResult(false, []);
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var usage = new Dictionary<string, decimal>(StringComparer.Ordinal);
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foreach (var line in lines)
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{
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foreach (var recipe in recipes.Where(r => r.MenuItemId == line.MenuItemId))
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{
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var amount = recipe.QuantityPerUnit * line.Quantity;
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usage[recipe.IngredientId] = usage.GetValueOrDefault(recipe.IngredientId) + amount;
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}
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}
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if (usage.Count == 0)
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return new OrderDeductionResult(false, []);
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var ingredientIds = usage.Keys.ToList();
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var ingredients = await _db.Ingredients
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.Where(i => i.CafeId == cafeId && ingredientIds.Contains(i.Id))
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.ToListAsync(ct);
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foreach (var ing in ingredients)
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{
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if (!usage.TryGetValue(ing.Id, out var deduct)) continue;
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ing.QuantityOnHand -= deduct;
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_db.StockMovements.Add(NewMovement(
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cafeId,
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ing.Id,
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-deduct,
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StockMovementKind.OrderDeduction,
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orderId,
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$"سفارش {orderId[..Math.Min(8, orderId.Length)]}",
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null));
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}
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await _db.SaveChangesAsync(ct);
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var lowStock = ingredients.Where(IsLowStock).ToList();
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if (lowStock.Count > 0)
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await NotifyLowStockAsync(cafeId, lowStock, ct);
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return new OrderDeductionResult(
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true,
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lowStock.Select(i => i.Name).ToList());
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}
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private async Task NotifyLowStockAsync(string cafeId, IReadOnlyList<Ingredient> items, CancellationToken ct)
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{
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if (items.Count == 0) return;
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var names = string.Join("، ", items.Select(i => $"{i.Name} ({FormatQty(i)})"));
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var notification = new CafeNotification
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{
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CafeId = cafeId,
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Type = "inventory_low_stock",
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Title = "کمبود مواد اولیه",
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Body = names
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};
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_db.CafeNotifications.Add(notification);
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await _db.SaveChangesAsync(ct);
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var dto = new CafeNotificationDto(
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notification.Id,
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notification.Type,
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notification.Title,
|
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notification.Body,
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notification.ReferenceId,
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notification.TableNumber,
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notification.IsRead,
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notification.CreatedAt);
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await _kdsHub.Clients.Group(KdsHub.GroupName(cafeId))
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.SendAsync("NotificationReceived", dto, ct);
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}
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private async Task<Expense?> TryCreatePurchaseExpenseAsync(
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string cafeId,
|
||||
string branchId,
|
||||
decimal amount,
|
||||
string note,
|
||||
string? userId,
|
||||
CancellationToken ct)
|
||||
{
|
||||
var branch = await _db.Branches.FirstOrDefaultAsync(
|
||||
b => b.Id == branchId && b.CafeId == cafeId && b.IsActive,
|
||||
ct);
|
||||
if (branch is null) return null;
|
||||
|
||||
var expense = new Expense
|
||||
{
|
||||
Id = $"exp_{Guid.NewGuid():N}"[..24],
|
||||
CafeId = cafeId,
|
||||
BranchId = branchId,
|
||||
Category = ExpenseCategory.Supplies,
|
||||
Amount = amount,
|
||||
Note = note,
|
||||
CreatedByUserId = userId ?? "system",
|
||||
CreatedAt = DateTime.UtcNow
|
||||
};
|
||||
_db.Expenses.Add(expense);
|
||||
return expense;
|
||||
}
|
||||
|
||||
private static decimal ResolveUnitCost(decimal qty, decimal unitCost, decimal? totalPaid)
|
||||
{
|
||||
if (totalPaid is > 0 && qty > 0)
|
||||
return totalPaid.Value / qty;
|
||||
return unitCost;
|
||||
}
|
||||
|
||||
private static StockMovement NewMovement(
|
||||
string cafeId,
|
||||
string ingredientId,
|
||||
decimal delta,
|
||||
StockMovementKind kind,
|
||||
string? orderId,
|
||||
string? note,
|
||||
decimal? totalCostToman,
|
||||
string? branchId = null) => new()
|
||||
{
|
||||
Id = $"stk_{Guid.NewGuid():N}"[..24],
|
||||
CafeId = cafeId,
|
||||
IngredientId = ingredientId,
|
||||
BranchId = branchId,
|
||||
Delta = delta,
|
||||
Kind = kind,
|
||||
OrderId = orderId,
|
||||
Note = note,
|
||||
TotalCostToman = totalCostToman > 0 ? totalCostToman : null
|
||||
};
|
||||
|
||||
private static MenuItemRecipeDto BuildRecipeDto(MenuItem item, List<MenuItemIngredient> lines)
|
||||
{
|
||||
var recipeLines = lines.Select(r => new RecipeLineDto(
|
||||
r.Id,
|
||||
r.IngredientId,
|
||||
r.Ingredient.Name,
|
||||
r.Ingredient.Unit,
|
||||
r.QuantityPerUnit)).ToList();
|
||||
|
||||
var cost = lines.Sum(r => r.QuantityPerUnit * r.Ingredient.UnitCost);
|
||||
return new MenuItemRecipeDto(item.Id, item.Name, recipeLines, cost);
|
||||
}
|
||||
|
||||
private static bool IsLowStock(Ingredient i)
|
||||
{
|
||||
var threshold = WarningThreshold(i);
|
||||
return i.QuantityOnHand <= threshold;
|
||||
}
|
||||
|
||||
private static decimal WarningThreshold(Ingredient i)
|
||||
{
|
||||
if (i.ParLevel > 0 && i.LowStockWarningPercent > 0)
|
||||
return i.ParLevel * (i.LowStockWarningPercent / 100m);
|
||||
return i.ReorderLevel;
|
||||
}
|
||||
|
||||
private static IngredientDto ToDto(Ingredient i)
|
||||
{
|
||||
var threshold = WarningThreshold(i);
|
||||
return new IngredientDto(
|
||||
i.Id,
|
||||
i.Name,
|
||||
i.Unit,
|
||||
i.QuantityOnHand,
|
||||
i.ReorderLevel,
|
||||
i.UnitCost,
|
||||
i.ParLevel,
|
||||
i.LowStockWarningPercent,
|
||||
threshold,
|
||||
i.QuantityOnHand * i.UnitCost,
|
||||
i.QuantityOnHand <= threshold);
|
||||
}
|
||||
|
||||
private static decimal ClampPercent(decimal p) => Math.Clamp(p, 1m, 100m);
|
||||
|
||||
private static string FormatQty(Ingredient i) =>
|
||||
$"{i.QuantityOnHand:N0} {i.Unit}";
|
||||
}
|
||||
Reference in New Issue
Block a user