Add JSON export/import functionality for category mappings
Add the ability to export and import category mappings as JSON files: Export: - Downloads all category mappings as a formatted JSON file - Ordered by category and priority Import: - Upload JSON file with category mappings - Option to replace all existing mappings or merge with current ones - Validates JSON format and data integrity - Shows clear error messages for invalid files UI additions: - Export to JSON button in header - Import from JSON button with modal dialog - Shows example JSON format in import modal - Replace/merge option with clear explanation This allows users to: - Backup their custom category mappings - Share mappings between instances - Version control their categorization rules - Easily restore default or custom configurations 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
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@@ -6,7 +6,13 @@
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<div class="d-flex justify-content-between align-items-center mb-3">
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<h2>Category Mappings</h2>
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<div>
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<div class="d-flex gap-2">
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<a asp-page-handler="Export" class="btn btn-outline-primary">
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<span>⬇</span> Export to JSON
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</a>
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<button type="button" class="btn btn-outline-success" data-bs-toggle="modal" data-bs-target="#importModal">
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<span>⬆</span> Import from JSON
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</button>
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<a asp-page="/Index" class="btn btn-outline-secondary">Back to Dashboard</a>
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</div>
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</div>
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@@ -227,6 +233,60 @@ else
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</div>
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</div>
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<!-- Import Modal -->
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<div class="modal fade" id="importModal" tabindex="-1" aria-labelledby="importModalLabel" aria-hidden="true">
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<div class="modal-dialog">
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<div class="modal-content">
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<form method="post" asp-page-handler="Import" enctype="multipart/form-data">
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<div class="modal-header">
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<h5 class="modal-title" id="importModalLabel">Import Categories from JSON</h5>
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<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
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</div>
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<div class="modal-body">
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<div class="mb-3">
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<label for="jsonFile" class="form-label">Select JSON File</label>
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<input type="file" name="jsonFile" id="jsonFile" class="form-control" accept=".json" required />
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<div class="form-text">Upload a JSON file with category mappings</div>
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</div>
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<div class="mb-3">
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<div class="form-check">
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<input class="form-check-input" type="checkbox" name="replaceExisting" id="replaceExisting" value="true" />
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<label class="form-check-label" for="replaceExisting">
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<strong>Replace all existing mappings</strong>
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</label>
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<div class="form-text">
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If checked, all current mappings will be deleted and replaced with the imported ones.
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If unchecked, imported mappings will be added to existing ones.
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</div>
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</div>
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</div>
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<div class="alert alert-info mb-0">
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<strong>JSON Format:</strong>
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<pre class="mb-0 mt-2 small">[
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{
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"category": "Groceries",
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"pattern": "WALMART",
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"priority": 0
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},
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{
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"category": "Gas & Auto",
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"pattern": "SHELL",
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"priority": 100
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}
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]</pre>
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</div>
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</div>
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<div class="modal-footer">
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<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
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<button type="submit" class="btn btn-success">Import</button>
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</div>
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</form>
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</div>
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</div>
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</div>
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@section Scripts {
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<script>
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function openEditModal(id, category, pattern, priority) {
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@@ -1,7 +1,10 @@
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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using System.Linq;
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using System.Text;
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using System.Text.Json;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.AspNetCore.Mvc.RazorPages;
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using Microsoft.EntityFrameworkCore;
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@@ -108,6 +111,97 @@ namespace MoneyMap.Pages
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return RedirectToPage();
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}
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public async Task<IActionResult> OnGetExportAsync()
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{
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var mappings = await _db.CategoryMappings
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.OrderBy(m => m.Category)
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.ThenByDescending(m => m.Priority)
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.ToListAsync();
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var exportData = mappings.Select(m => new CategoryMappingExport
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{
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Category = m.Category,
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Pattern = m.Pattern,
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Priority = m.Priority
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}).ToList();
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var json = JsonSerializer.Serialize(exportData, new JsonSerializerOptions
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{
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WriteIndented = true
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});
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var bytes = Encoding.UTF8.GetBytes(json);
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return File(bytes, "application/json", "category-mappings.json");
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}
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public async Task<IActionResult> OnPostImportAsync(IFormFile jsonFile, bool replaceExisting)
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{
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if (jsonFile == null || jsonFile.Length == 0)
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{
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ErrorMessage = "Please select a JSON file to import.";
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return RedirectToPage();
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}
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try
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{
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using var stream = jsonFile.OpenReadStream();
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var importData = await JsonSerializer.DeserializeAsync<List<CategoryMappingExport>>(stream, new JsonSerializerOptions
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{
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PropertyNameCaseInsensitive = true
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});
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if (importData == null || !importData.Any())
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{
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ErrorMessage = "No category mappings found in the file.";
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return RedirectToPage();
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}
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// Validate the data
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foreach (var item in importData)
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{
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if (string.IsNullOrWhiteSpace(item.Category) || string.IsNullOrWhiteSpace(item.Pattern))
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{
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ErrorMessage = "Invalid data in JSON file. Each mapping must have a category and pattern.";
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return RedirectToPage();
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}
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}
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// Replace existing or merge
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if (replaceExisting)
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{
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var existingMappings = await _db.CategoryMappings.ToListAsync();
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_db.CategoryMappings.RemoveRange(existingMappings);
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}
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// Add new mappings
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var newMappings = importData.Select(m => new CategoryMapping
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{
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Category = m.Category.Trim(),
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Pattern = m.Pattern.Trim(),
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Priority = m.Priority
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}).ToList();
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_db.CategoryMappings.AddRange(newMappings);
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await _db.SaveChangesAsync();
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SuccessMessage = replaceExisting
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? $"Successfully replaced all mappings with {importData.Count} mappings from file."
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: $"Successfully imported {importData.Count} mappings from file.";
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return RedirectToPage();
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}
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catch (JsonException)
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{
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ErrorMessage = "Invalid JSON file format. Please check the file and try again.";
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return RedirectToPage();
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}
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catch (Exception ex)
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{
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ErrorMessage = $"Error importing file: {ex.Message}";
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return RedirectToPage();
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}
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}
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private async Task LoadDataAsync()
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{
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var mappings = await _categorizer.GetAllMappingsAsync();
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@@ -162,5 +256,12 @@ namespace MoneyMap.Pages
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public int Priority { get; set; } = 0;
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}
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public class CategoryMappingExport
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{
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public string Category { get; set; } = "";
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public string Pattern { get; set; } = "";
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public int Priority { get; set; } = 0;
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}
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}
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}
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