87 lines
2.8 KiB
C#
87 lines
2.8 KiB
C#
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using DRS9.Dashboard.Application.DTOs;
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using DRS9.Dashboard.Application.Services;
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using Microsoft.AspNetCore.Mvc;
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namespace DRS9.Dashboard.Server.Controllers;
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/// <summary>
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/// 轮播显示控制器 - 供设备客户端使用
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/// </summary>
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[Route("rotator")]
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public class RotatorViewerController : Controller
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{
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private readonly RotatorItemService _rotatorItemService;
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private readonly IHttpContextAccessor _httpContextAccessor;
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private readonly ILogger<RotatorViewerController> _logger;
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public RotatorViewerController(
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RotatorItemService rotatorItemService,
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IHttpContextAccessor httpContextAccessor,
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ILogger<RotatorViewerController> logger)
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{
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_rotatorItemService = rotatorItemService;
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_httpContextAccessor = httpContextAccessor;
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_logger = logger;
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}
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/// <summary>
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/// 获取指定应用的轮播配置 (JSON)
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/// </summary>
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[HttpGet("{applicationId}/config.json")]
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public async Task<ActionResult> GetConfig(int applicationId)
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{
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try
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{
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var items = await _rotatorItemService.GetByApplicationIdAsync(applicationId);
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// 只返回启用的项目
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var enabledItems = items.Where(i => i.IsEnabled).OrderBy(i => i.Order).ToList();
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var config = new
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{
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urls = enabledItems.Select(i => GetAbsoluteUrl(i.Url)).ToList(),
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switchIntervals = enabledItems.Select(i => i.Duration).ToList()
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};
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return Json(config);
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "获取轮播配置失败: ApplicationId={ApplicationId}", applicationId);
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return Json(new { urls = new List<string>(), switchIntervals = new List<int>() });
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}
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}
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/// <summary>
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/// 显示轮播页面
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/// </summary>
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[HttpGet("{applicationId}")]
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public IActionResult ViewRotator(int applicationId)
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{
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return View(applicationId);
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}
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private string GetAbsoluteUrl(string relativeOrAbsoluteUrl)
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{
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if (string.IsNullOrWhiteSpace(relativeOrAbsoluteUrl))
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return string.Empty;
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// 如果已经是绝对 URL，直接返回
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if (relativeOrAbsoluteUrl.StartsWith("http://", StringComparison.OrdinalIgnoreCase) ||
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relativeOrAbsoluteUrl.StartsWith("https://", StringComparison.OrdinalIgnoreCase))
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{
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return relativeOrAbsoluteUrl;
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}
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// 转换为绝对 URL
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var request = _httpContextAccessor.HttpContext?.Request;
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if (request != null)
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{
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var baseUrl = $"{request.Scheme}://{request.Host}";
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return relativeOrAbsoluteUrl.StartsWith("/") ? baseUrl + relativeOrAbsoluteUrl : baseUrl + "/" + relativeOrAbsoluteUrl;
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}
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return relativeOrAbsoluteUrl;
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}
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}
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