Initial project import
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using System.Security.Claims;
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using MiaoJiZhang.Api.Contracts;
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using MiaoJiZhang.Domain.Entities;
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using MiaoJiZhang.Domain.Enums;
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using MiaoJiZhang.Infrastructure.Persistence;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.EntityFrameworkCore;
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namespace MiaoJiZhang.Api.Controllers;
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[ApiController]
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[Authorize]
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[Route("api/ledgers")]
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public class LedgersController(AppDbContext db) : ControllerBase
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{
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private long Uid => long.Parse(User.FindFirstValue(ClaimTypes.NameIdentifier) ?? User.FindFirstValue("sub")!);
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[HttpGet]
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public async Task<IActionResult> List() =>
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Ok(await db.Ledgers.Where(l => l.OwnerId == Uid)
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.OrderByDescending(l => l.IsDefault).ThenBy(l => l.CreatedAt)
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.Select(l => new { l.Id, l.Name, l.IconKey, l.IsDefault, TxCount = db.Transactions.IgnoreQueryFilters().Count(t => t.LedgerId == l.Id && t.UserId == Uid) })
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.ToListAsync());
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[HttpPost]
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public async Task<IActionResult> Create([FromBody] CreateLedgerReq req)
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{
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if (string.IsNullOrWhiteSpace(req.Name) || req.Name.Length > 12)
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return BadRequest(new ApiError("NAME_INVALID", "账本名 1-12 个字"));
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var maxCount = int.TryParse((await db.AppConfigs.FirstOrDefaultAsync(c => c.Key == "system.max_ledgers_per_user"))?.Value, out var v) ? v : 10;
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if (await db.Ledgers.CountAsync(l => l.OwnerId == Uid) >= maxCount)
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return BadRequest(new ApiError("LIMIT_REACHED", $"每人最多 {maxCount} 个账本"));
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var ledger = new Ledger { OwnerId = Uid, Name = req.Name.Trim(), IconKey = req.IconKey ?? "wallet" };
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db.Ledgers.Add(ledger);
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await db.SaveChangesAsync();
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return Ok(new { ledger.Id, ledger.Name, ledger.IconKey, ledger.IsDefault, TxCount = 0 });
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}
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[HttpPut("{id:long}/default")]
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public async Task<IActionResult> SetDefault(long id)
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{
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var target = await db.Ledgers.FirstOrDefaultAsync(l => l.Id == id && l.OwnerId == Uid);
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if (target is null) return NotFound(new ApiError("LEDGER_NOT_FOUND", "账本不存在"));
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await db.Ledgers.Where(l => l.OwnerId == Uid && l.IsDefault).ExecuteUpdateAsync(s => s.SetProperty(l => l.IsDefault, false));
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target.IsDefault = true;
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await db.SaveChangesAsync();
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return NoContent();
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}
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[HttpPut("{id:long}")]
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public async Task<IActionResult> Rename(long id, UpdateLedgerReq req)
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{
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if (string.IsNullOrWhiteSpace(req.Name) || req.Name.Trim().Length > 12)
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return BadRequest(new ApiError("NAME_INVALID", "账本名 1-12 个字"));
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var ledger = await db.Ledgers.FirstOrDefaultAsync(l => l.Id == id && l.OwnerId == Uid);
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if (ledger is null) return NotFound(new ApiError("LEDGER_NOT_FOUND", "账本不存在"));
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ledger.Name = req.Name.Trim();
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if (!string.IsNullOrWhiteSpace(req.IconKey)) ledger.IconKey = req.IconKey.Trim();
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await db.SaveChangesAsync();
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return Ok(new LedgerDto(ledger.Id, ledger.Name, ledger.IconKey, ledger.IsDefault));
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}
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[HttpPut("reorder")]
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public async Task<IActionResult> Reorder(ReorderCategoriesRequest req)
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{
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if (req.Type is not ("income" or "expense"))
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return BadRequest(new ApiError("TYPE_INVALID", "收支类型必须是 expense 或 income"));
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if (req.CategoryIds.Count != req.CategoryIds.Distinct().Count())
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return BadRequest(new ApiError("ORDER_INVALID", "分类排序中存在重复项"));
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var type = req.Type == "income"
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? TransactionType.Income
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: TransactionType.Expense;
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var categories = await db.Categories
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.Where(c => c.UserId == Uid && c.Type == type && !c.IsDeleted)
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.ToListAsync();
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if (categories.Count != req.CategoryIds.Count ||
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categories.Select(c => c.Id).ToHashSet()
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.SetEquals(req.CategoryIds) is false)
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return BadRequest(new ApiError("ORDER_INVALID", "请提交完整的自定义分类顺序"));
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var byId = categories.ToDictionary(c => c.Id);
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for (var index = 0; index < req.CategoryIds.Count; index++)
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byId[req.CategoryIds[index]].SortOrder = 1000 + index;
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await db.SaveChangesAsync();
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return NoContent();
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}
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[HttpDelete("{id:long}")]
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public async Task<IActionResult> Delete(long id)
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{
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var ledger = await db.Ledgers.FirstOrDefaultAsync(l => l.Id == id && l.OwnerId == Uid);
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if (ledger is null) return NotFound(new ApiError("LEDGER_NOT_FOUND", "账本不存在"));
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if (ledger.IsDefault)
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return Conflict(new ApiError("DEFAULT_LEDGER", "默认账本不能删除，请先切换到其他账本"));
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var hasTransactions = await db.Transactions.IgnoreQueryFilters()
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.AnyAsync(t => t.UserId == Uid && t.LedgerId == id);
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var hasBudgets = await db.Budgets.AnyAsync(b => b.UserId == Uid && b.LedgerId == id);
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if (hasTransactions || hasBudgets)
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return Conflict(new ApiError("LEDGER_NOT_EMPTY", "仅可删除没有账单和预算的账本"));
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db.Ledgers.Remove(ledger);
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await db.SaveChangesAsync();
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return NoContent();
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}
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}
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public record CreateLedgerReq(string Name, string? IconKey);
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public record UpdateLedgerReq(string Name, string? IconKey);
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[ApiController]
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[Authorize]
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[Route("api/categories")]
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public class CategoriesController(AppDbContext db) : ControllerBase
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{
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internal static readonly HashSet<string> AllowedIcons =
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[
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"food", "cup", "cart", "house", "rent", "metro", "car", "plane",
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"phone", "wifi", "shirt", "beauty", "pill", "sport", "book", "baby",
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"pet", "game", "gift", "wallet", "money", "briefcase", "chart",
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"interest", "refund", "card", "insurance", "tax", "receipt",
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"camera", "target", "sparkle", "tag",
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];
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internal static readonly HashSet<string> AllowedColors =
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[
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"mint", "teal", "aqua", "cyan", "sky", "blue",
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"navy", "indigo", "violet", "plum", "orchid", "rose",
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"coral", "red", "orange", "amber", "peach", "sand",
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"lime", "olive", "forest", "slate", "cocoa", "graphite",
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];
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private long Uid => long.Parse(User.FindFirstValue(ClaimTypes.NameIdentifier) ?? User.FindFirstValue("sub")!);
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internal static string NormalizeIcon(string? iconKey) => iconKey?.Trim() switch
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{
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"shopping" => "cart",
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"transport" => "metro",
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"home" => "house",
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"salary" => "money",
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{ Length: > 0 } value => value,
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_ => "tag",
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};
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[HttpGet]
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public async Task<ActionResult<List<CategoryDto>>> List([FromQuery] string type = "expense")
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{
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if (type is not ("income" or "expense"))
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return BadRequest(new ApiError("TYPE_INVALID", "收支类型必须是 expense 或 income"));
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var t = type == "income" ? TransactionType.Income : TransactionType.Expense;
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var list = await db.Categories
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.Where(c => !c.IsDeleted && c.Type == t && (c.UserId == null || c.UserId == Uid))
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.OrderBy(c => c.SortOrder)
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.Select(c => new CategoryDto(
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c.Id, c.Name, c.IconKey, type,
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c.SortOrder, c.UserId != null, c.ColorKey))
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.ToListAsync();
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return Ok(list);
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}
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[HttpPost]
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public async Task<ActionResult<CategoryDto>> Create(CreateCategoryRequest req)
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{
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if (string.IsNullOrWhiteSpace(req.Name) || req.Name.Length > 8)
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return BadRequest(new ApiError("NAME_INVALID", "分类名 1-8 个字"));
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if (req.Type is not ("income" or "expense"))
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return BadRequest(new ApiError("TYPE_INVALID", "收支类型必须是 expense 或 income"));
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var t = req.Type == "income" ? TransactionType.Income : TransactionType.Expense;
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var iconKey = NormalizeIcon(req.IconKey);
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if (!AllowedIcons.Contains(iconKey))
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return BadRequest(new ApiError("ICON_INVALID", "分类图标不存在"));
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var colorKey = string.IsNullOrWhiteSpace(req.ColorKey)
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? "mint"
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: req.ColorKey.Trim();
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if (!AllowedColors.Contains(colorKey))
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return BadRequest(new ApiError("COLOR_INVALID", "分类颜色不存在"));
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if (await db.Categories.AnyAsync(c => !c.IsDeleted && c.Type == t && c.Name == req.Name && (c.UserId == null || c.UserId == Uid)))
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return Conflict(new ApiError("NAME_TAKEN", "分类已存在"));
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var maxSort = await db.Categories
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.Where(c => c.Type == t && (c.UserId == null || c.UserId == Uid))
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.MaxAsync(c => (int?)c.SortOrder) ?? 0;
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var cat = new Category
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{
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UserId = Uid,
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Type = t,
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Name = req.Name.Trim(),
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IconKey = iconKey,
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ColorKey = colorKey,
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SortOrder = Math.Max(999, maxSort) + 1,
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};
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db.Categories.Add(cat);
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await db.SaveChangesAsync();
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return Ok(new CategoryDto(
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cat.Id, cat.Name, cat.IconKey, req.Type,
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cat.SortOrder, true, cat.ColorKey));
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}
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[HttpPut("{id:long}")]
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public async Task<ActionResult<CategoryDto>> Update(long id, UpdateCategoryRequest req)
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{
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if (string.IsNullOrWhiteSpace(req.Name) || req.Name.Trim().Length > 8)
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return BadRequest(new ApiError("NAME_INVALID", "分类名 1-8 个字"));
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var category = await db.Categories.FirstOrDefaultAsync(c =>
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c.Id == id && c.UserId == Uid && !c.IsDeleted);
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if (category is null)
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return NotFound(new ApiError("CATEGORY_NOT_FOUND", "分类不存在或非自定义分类"));
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var name = req.Name.Trim();
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if (await db.Categories.AnyAsync(c => c.Id != id && !c.IsDeleted &&
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c.Type == category.Type && c.Name == name &&
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(c.UserId == null || c.UserId == Uid)))
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return Conflict(new ApiError("NAME_TAKEN", "分类已存在"));
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var iconKey = NormalizeIcon(req.IconKey);
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if (!AllowedIcons.Contains(iconKey))
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return BadRequest(new ApiError("ICON_INVALID", "分类图标不存在"));
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var colorKey = req.ColorKey is null
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? category.ColorKey
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: req.ColorKey.Trim();
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if (!AllowedColors.Contains(colorKey))
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return BadRequest(new ApiError("COLOR_INVALID", "分类颜色不存在"));
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category.Name = name;
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category.IconKey = iconKey;
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category.ColorKey = colorKey;
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category.SortOrder = Math.Max(1000, req.SortOrder);
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await db.SaveChangesAsync();
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return Ok(new CategoryDto(
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category.Id, category.Name, category.IconKey,
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category.Type == TransactionType.Income ? "income" : "expense",
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category.SortOrder, true, category.ColorKey));
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}
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[HttpPut("reorder")]
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public async Task<IActionResult> Reorder(ReorderCategoriesRequest req)
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{
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if (req.Type is not ("income" or "expense"))
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return BadRequest(new ApiError("TYPE_INVALID", "收支类型必须是 expense 或 income"));
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if (req.CategoryIds.Count != req.CategoryIds.Distinct().Count())
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return BadRequest(new ApiError("ORDER_INVALID", "分类排序中存在重复项"));
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var type = req.Type == "income"
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? TransactionType.Income
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: TransactionType.Expense;
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var categories = await db.Categories
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.Where(c => c.UserId == Uid && c.Type == type && !c.IsDeleted)
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.ToListAsync();
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if (categories.Count != req.CategoryIds.Count ||
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categories.Select(c => c.Id).ToHashSet()
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.SetEquals(req.CategoryIds) is false)
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return BadRequest(new ApiError("ORDER_INVALID", "请提交完整的自定义分类顺序"));
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var byId = categories.ToDictionary(c => c.Id);
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for (var index = 0; index < req.CategoryIds.Count; index++)
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byId[req.CategoryIds[index]].SortOrder = 1000 + index;
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await db.SaveChangesAsync();
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return NoContent();
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}
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[HttpDelete("{id:long}")]
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public async Task<IActionResult> Delete(long id)
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{
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var cat = await db.Categories.FirstOrDefaultAsync(c => c.Id == id && c.UserId == Uid);
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if (cat is null) return NotFound(new ApiError("CATEGORY_NOT_FOUND", "分类不存在或非自定义分类"));
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cat.IsDeleted = true;
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await db.SaveChangesAsync();
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return NoContent();
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}
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}
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public record ReorderCategoriesRequest(string Type, List<long> CategoryIds);
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