完善基础数据

backend/F9WebAiTest.Api/Controllers/SysWuziGroupController.cs

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+using F9WebAiTest.Application.Common;
+using F9WebAiTest.Application.Common.Exceptions;
+using F9WebAiTest.Application.CQRS.SYS.WuziMulus.Commands;
+using F9WebAiTest.Application.CQRS.SYS.WuziMulus.Queries;
+using MediatR;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace F9WebAiTest.Api.Controllers;
+
+/// <summary>物资分组管理（物资目录的分类树）</summary>
+[ApiController]
+[Route("api/sys/wuzigroup")]
+[Authorize]
+public class SysWuziGroupController : ControllerBase
+{
+    private readonly IMediator _mediator;
+    public SysWuziGroupController(IMediator mediator) => _mediator = mediator;
+
+    /// <summary>全部分组（构建分组树）</summary>
+    [HttpGet]
+    public async Task<IActionResult> GetAll()
+        => Ok(ApiResult<object>.Ok(await _mediator.Send(new GetWuziGroupAllQuery())));
+
+    /// <summary>生成新编号（一级分类传 parentId=0）</summary>
+    [HttpGet("new-code")]
+    public async Task<IActionResult> GetNewCode([FromQuery] long parentId = 0)
+        => Ok(ApiResult<object>.Ok(await _mediator.Send(new GetWuziGroupNewCodeQuery(parentId))));
+
+    /// <summary>是否存在下级分组（删除前校验）</summary>
+    [HttpGet("{id}/exist-child")]
+    public async Task<IActionResult> ExistChild(long id)
+        => Ok(ApiResult<object>.Ok(await _mediator.Send(new GetWuziGroupExistChildQuery(id))));
+
+    [HttpGet("{id}")]
+    public async Task<IActionResult> GetById(long id)
+    {
+        var result = await _mediator.Send(new GetWuziGroupByIdQuery(id));
+        return result == null
+            ? NotFound(ApiResult<object>.Fail("物资分组不存在", 404))
+            : Ok(ApiResult<object>.Ok(result));
+    }
+
+    [HttpPost]
+    public async Task<IActionResult> Create([FromBody] WuziGroup_CreateCommand command)
+    {
+        try { return Ok(ApiResult<object>.Ok(new { id = await _mediator.Send(command) }, "新增成功")); }
+        catch (F9NotFoundException ex) { return NotFound(ApiResult<object>.Fail(ex.Message, 404)); }
+        catch (F9OperationException ex) { return BadRequest(ApiResult<object>.Fail(ex.Message, 400)); }
+    }
+
+    [HttpPut("{id}")]
+    public async Task<IActionResult> Update(long id, [FromBody] WuziGroup_UpdateCommand command)
+    {
+        try { return Ok(ApiResult<object>.Ok(await _mediator.Send(command with { Id = id }), "修改成功")); }
+        catch (F9NotFoundException ex) { return NotFound(ApiResult<object>.Fail(ex.Message, 404)); }
+        catch (F9OperationException ex) { return BadRequest(ApiResult<object>.Fail(ex.Message, 400)); }
+    }
+
+    [HttpDelete("{id}")]
+    public async Task<IActionResult> Delete(long id)
+    {
+        try { return Ok(ApiResult<object>.Ok(await _mediator.Send(new WuziGroup_DelCommand(id)), "删除成功")); }
+        catch (F9NotFoundException ex) { return NotFound(ApiResult<object>.Fail(ex.Message, 404)); }
+        catch (F9OperationException ex) { return BadRequest(ApiResult<object>.Fail(ex.Message, 400)); }
+    }
+}