91 lines
2.2 KiB
C#
91 lines
2.2 KiB
C#
using System.Linq;
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using System.Web.Mvc;
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using AutoMapper.QueryableExtensions;
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using InventoryTraker.Web.Attributes;
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using InventoryTraker.Web.Core;
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using InventoryTraker.Web.Data;
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using InventoryTraker.Web.Models;
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namespace InventoryTraker.Web.Controllers
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{
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public class TransactionController : ControllerBase
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{
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private readonly AppDbContext _context;
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public TransactionController(AppDbContext context)
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{
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_context = context;
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}
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public ActionResult Index()
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{
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return View();
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}
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public JsonResult All()
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{
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var viewModels =
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_context.Transactions
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.ProjectTo<TransactionViewModel>()
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.ToArray();
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return BetterJson(viewModels);
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}
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public JsonResult Get(int? pageNumber, int? pageSize, int? inventoryId)
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{
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IQueryable<Transaction> query =
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_context.Transactions
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.OrderByDescending(t => t.Timestamp);
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if (inventoryId.HasValue)
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query =
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query.Where(t => t.Inventory.Id == inventoryId.Value);
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if (pageNumber.HasValue && pageSize.HasValue)
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query = query
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.Skip((pageNumber.Value - 1) * pageSize.Value)
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.Take(pageSize.Value);
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var totalItems = _context.Transactions.Count();
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var transactions = query
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.ProjectTo<TransactionViewModel>()
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.ToArray();
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return BetterJson(new { totalItems, transactions });
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}
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[ActionLog]
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public JsonResult Delete(int transactionId)
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{
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var transaction = _context.Transactions.Find(transactionId);
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if (transaction == null)
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return GetErrorListJson("Transaction not found");
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var inventory = transaction.Inventory;
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var inventoryId = inventory.Id;
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var inventoryTransactionsMostRecent =
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inventory
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.Transactions.OrderByDescending(t => t.TransactionDate)
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.First() == transaction;
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if (!inventoryTransactionsMostRecent)
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return GetErrorListJson("Delete permitted only when transaction is the most recent");
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// roll back that transaction
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inventory.Quantity -= transaction.AddedQuantity;
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inventory.Quantity += transaction.RemovedQuantity;
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inventory.Transactions.Remove(transaction);
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_context.Transactions.Remove(transaction);
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if (!inventory.Transactions.Any())
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_context.Inventories.Remove(inventory);
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_context.SaveChanges();
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return BetterJson(new { inventoryId});
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}
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}
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} |