Initial commit

MoneyMap/Pages/ViewReceipt.cshtml.cs

@@ -0,0 +1,121 @@
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.EntityFrameworkCore;
+using MoneyMap.Data;
+using MoneyMap.Models;
+using MoneyMap.Services;
+
+namespace MoneyMap.Pages
+{
+    public class ViewReceiptModel : PageModel
+    {
+        private readonly MoneyMapContext _db;
+        private readonly IReceiptManager _receiptManager;
+        private readonly IEnumerable<IReceiptParser> _parsers;
+
+        public ViewReceiptModel(
+            MoneyMapContext db,
+            IReceiptManager receiptManager,
+            IEnumerable<IReceiptParser> parsers)
+        {
+            _db = db;
+            _receiptManager = receiptManager;
+            _parsers = parsers;
+        }
+
+        public Receipt Receipt { get; set; } = null!;
+        public List<ReceiptLineItem> LineItems { get; set; } = new();
+        public List<ReceiptParseLog> ParseLogs { get; set; } = new();
+        public List<ParserOption> AvailableParsers { get; set; } = new();
+        public string ReceiptUrl { get; set; } = "";
+
+        [TempData]
+        public string? SuccessMessage { get; set; }
+
+        [TempData]
+        public string? ErrorMessage { get; set; }
+
+        public async Task<IActionResult> OnGetAsync(long id)
+        {
+            Receipt = await _db.Receipts
+                .Include(r => r.Transaction)
+                .Include(r => r.LineItems)
+                .Include(r => r.ParseLogs.OrderByDescending(pl => pl.StartedAtUtc))
+                .FirstOrDefaultAsync(r => r.Id == id);
+
+            if (Receipt == null)
+                return NotFound();
+
+            LineItems = Receipt.LineItems?.OrderBy(li => li.LineNumber).ToList() ?? new();
+            ParseLogs = Receipt.ParseLogs?.OrderByDescending(pl => pl.StartedAtUtc).ToList() ?? new();
+
+            // Get receipt URL for display - use handler parameter
+            ReceiptUrl = $"/ViewReceipt/{id}?handler=file";
+
+            // Get available parsers
+            AvailableParsers = _parsers.Select(p => new ParserOption
+            {
+                Name = p.GetType().Name.Replace("ReceiptParser", ""),
+                FullName = p.GetType().Name
+            }).ToList();
+
+            return Page();
+        }
+
+        public async Task<IActionResult> OnGetFileAsync(long id)
+        {
+            var receipt = await _receiptManager.GetReceiptAsync(id);
+            if (receipt == null)
+                return NotFound();
+
+            var filePath = _receiptManager.GetReceiptPhysicalPath(receipt);
+            if (!System.IO.File.Exists(filePath))
+                return NotFound("Receipt file not found on disk.");
+
+            var fileBytes = await System.IO.File.ReadAllBytesAsync(filePath);
+
+            // For PDFs, set content disposition to inline so they display in browser
+            if (receipt.ContentType == "application/pdf")
+            {
+                Response.Headers.Append("Content-Disposition", $"inline; filename=\"{receipt.FileName}\"");
+                return File(fileBytes, "application/pdf");
+            }
+
+            return File(fileBytes, receipt.ContentType);
+        }
+
+        public async Task<IActionResult> OnPostParseAsync(long id, string parser)
+        {
+            var selectedParser = _parsers.FirstOrDefault(p => p.GetType().Name == parser);
+
+            if (selectedParser == null)
+            {
+                ErrorMessage = "Parser not found.";
+                return RedirectToPage(new { id });
+            }
+
+            var result = await selectedParser.ParseReceiptAsync(id);
+
+            if (result.IsSuccess)
+            {
+                SuccessMessage = result.Message;
+            }
+            else
+            {
+                ErrorMessage = result.Message;
+            }
+
+            return RedirectToPage(new { id });
+        }
+
+        public class ParserOption
+        {
+            public string Name { get; set; } = "";
+            public string FullName { get; set; } = "";
+        }
+    }
+}