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Groceries/Transactions/TransactionsController.cs
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237
Groceries/Transactions/TransactionsController.cs
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namespace Groceries.Transactions;
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using Groceries.Common;
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using Groceries.Data;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.EntityFrameworkCore;
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using System.Text.Json;
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[Route("/transactions")]
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public class TransactionsController : Controller
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{
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private readonly AppDbContext dbContext;
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public TransactionsController(AppDbContext dbContext)
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{
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this.dbContext = dbContext;
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}
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[HttpGet]
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public async Task<IActionResult> Index(int page, string? sort, string? dir)
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{
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var transactionsQuery = dbContext.Transactions
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.Join(
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dbContext.TransactionTotals,
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transaction => transaction.Id,
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transactionTotal => transactionTotal.TransactionId,
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(transaction, transactionTotal) => new
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{
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transaction.Id,
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transaction.CreatedAt,
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Store = string.Concat(transaction.Store!.Retailer!.Name, " ", transaction.Store.Name),
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TotalAmount = transactionTotal.Total,
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TotalItems = transaction.Items.Sum(item => item.Quantity),
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});
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transactionsQuery = sort?.ToLowerInvariant() switch
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{
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"date" when dir == "desc" => transactionsQuery.OrderByDescending(transaction => transaction.CreatedAt),
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"amount" when dir == "desc" => transactionsQuery.OrderByDescending(transaction => transaction.TotalAmount),
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"items" when dir == "desc" => transactionsQuery.OrderByDescending(transaction => transaction.TotalItems),
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"date" => transactionsQuery.OrderBy(transaction => transaction.CreatedAt),
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"amount" => transactionsQuery.OrderBy(transaction => transaction.TotalAmount),
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"items" => transactionsQuery.OrderBy(transaction => transaction.TotalItems),
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_ => transactionsQuery.OrderByDescending(transaction => transaction.CreatedAt),
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};
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var transactions = await transactionsQuery
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.Select(transaction => new TransactionListModel.Transaction(transaction.Id, transaction.CreatedAt, transaction.Store)
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{
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TotalAmount = transaction.TotalAmount,
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TotalItems = transaction.TotalItems,
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})
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.ToListPageModelAsync(page);
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if (transactions.Page != page)
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{
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return RedirectToAction(nameof(Index), new { page = transactions.Page });
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}
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var model = new TransactionListModel(sort, dir, transactions);
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return View(model);
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}
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[HttpGet("new")]
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public IActionResult NewTransaction()
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{
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return View();
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}
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[HttpPost("new")]
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public IActionResult NewTransaction(DateTime createdAt, Guid storeId)
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{
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var transaction = new Transaction(createdAt.ToUniversalTime(), storeId);
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TempData["NewTransaction"] = JsonSerializer.Serialize(transaction);
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return RedirectToAction(nameof(NewTransactionItems));
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}
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[HttpGet("new/items")]
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public IActionResult NewTransactionItems()
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{
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if (TempData.Peek("NewTransaction") is not string json || JsonSerializer.Deserialize<Transaction>(json) is not Transaction transaction)
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{
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return RedirectToAction(nameof(NewTransaction));
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}
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return View(transaction);
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}
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[HttpPost("new/items")]
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public async Task<IActionResult> PostNewTransactionItems()
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{
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if (TempData["NewTransaction"] is not string json || JsonSerializer.Deserialize<Transaction>(json) is not Transaction transaction)
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{
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return RedirectToAction(nameof(NewTransaction));
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}
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dbContext.Transactions.Add(transaction);
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await dbContext.SaveChangesAsync();
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return RedirectToAction(nameof(Index), new { page = 1 });
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}
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[HttpGet("new/items/new")]
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public IActionResult NewTransactionItem()
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{
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if (TempData.Peek("NewTransaction") is not string json || JsonSerializer.Deserialize<Transaction>(json) is not Transaction transaction)
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{
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return RedirectToAction(nameof(NewTransaction));
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}
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return Request.IsTurboFrameRequest("modal")
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? View($"{nameof(NewTransactionItem)}_Modal", transaction)
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: View(transaction);
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}
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[HttpPost("new/items/new")]
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public async Task<IActionResult> NewTransactionItem(string brand, string name, decimal price, int quantity)
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{
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if (TempData.Peek("NewTransaction") is not string json || JsonSerializer.Deserialize<Transaction>(json) is not Transaction transaction)
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{
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return RedirectToAction(nameof(NewTransaction));
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}
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var itemId = await dbContext.Items
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.Where(item => EF.Functions.ILike(item.Brand, brand) && EF.Functions.ILike(item.Name, name))
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.Select(item => item.Id)
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.SingleOrDefaultAsync();
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if (itemId == default)
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{
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var item = new Item(brand, name);
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dbContext.Items.Add(item);
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await dbContext.SaveChangesAsync();
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itemId = item.Id;
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}
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// TODO: Handle item already in transaction - merge, replace, error?
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var transactionItem = new TransactionItem(itemId, price, quantity);
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transaction.Items.Add(transactionItem);
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TempData["NewTransaction"] = JsonSerializer.Serialize(transaction);
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return Request.IsTurboFrameRequest("modal")
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? NoContent()
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: RedirectToAction(nameof(NewTransactionItems));
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}
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[HttpGet("new/items/edit/{id}")]
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public IActionResult EditTransactionItem(Guid id)
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{
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if (TempData.Peek("NewTransaction") is not string json || JsonSerializer.Deserialize<Transaction>(json) is not Transaction transaction)
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{
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return RedirectToAction(nameof(NewTransaction));
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}
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var transactionItem = transaction.Items.SingleOrDefault(item => item.ItemId == id);
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if (transactionItem == null)
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{
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return RedirectToAction(nameof(NewTransactionItems));
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}
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var model = (transaction, transactionItem);
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return Request.IsTurboFrameRequest("modal")
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? View($"{nameof(EditTransactionItem)}_Modal", model)
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: View(model);
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}
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[HttpPost("new/items/edit/{id}")]
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public async Task<IActionResult> EditTransactionItem(Guid id, string brand, string name, decimal price, int quantity)
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{
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if (TempData.Peek("NewTransaction") is not string json || JsonSerializer.Deserialize<Transaction>(json) is not Transaction transaction)
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{
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return RedirectToAction(nameof(NewTransaction));
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}
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var transactionItem = transaction.Items.SingleOrDefault(item => item.ItemId == id);
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if (transactionItem == null)
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{
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return RedirectToAction(nameof(NewTransactionItems));
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}
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var itemId = await dbContext.Items
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.Where(item => EF.Functions.ILike(item.Brand, brand) && EF.Functions.ILike(item.Name, name))
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.Select(item => item.Id)
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.SingleOrDefaultAsync();
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if (itemId == transactionItem.ItemId)
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{
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transactionItem.Price = price;
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transactionItem.Quantity = quantity;
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}
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else
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{
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if (itemId == default)
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{
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var item = new Item(brand, name);
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dbContext.Items.Add(item);
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await dbContext.SaveChangesAsync();
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itemId = item.Id;
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}
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transaction.Items.Remove(transactionItem);
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transactionItem = new TransactionItem(itemId, price, quantity);
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transaction.Items.Add(transactionItem);
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}
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TempData["NewTransaction"] = JsonSerializer.Serialize(transaction);
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return Request.IsTurboFrameRequest("modal")
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? NoContent()
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: RedirectToAction(nameof(NewTransactionItems));
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}
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[HttpPost("new/items/delete/{id}")]
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public IActionResult DeleteTransactionItem(Guid id)
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{
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if (TempData.Peek("NewTransaction") is not string json || JsonSerializer.Deserialize<Transaction>(json) is not Transaction transaction)
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{
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return RedirectToAction(nameof(NewTransaction));
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}
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var transactionItem = transaction.Items.SingleOrDefault(item => item.ItemId == id);
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if (transactionItem != null)
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{
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transaction.Items.Remove(transactionItem);
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}
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TempData["NewTransaction"] = JsonSerializer.Serialize(transaction);
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return Request.IsTurboFrameRequest("modal")
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? NoContent()
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: RedirectToAction(nameof(NewTransactionItems));
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}
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}
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