Initial implementation of TuneRipper API backend
- Add Health, Video, and Download controllers with endpoints for health checks, video details, processing, status, results, and simulated downloads - Implement IVideoService for YouTube URL validation and mock video info - Add API models for responses and job status tracking - Configure DI, CORS (BlazorPolicy), OpenAPI, and root metadata endpoint in Program.cs - Add README with usage, troubleshooting, and development notes - Minor project file cleanup and encoding fix
This commit is contained in:
Michal Vrba
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using Microsoft.AspNetCore.Mvc;
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namespace TuneRipper.Api.Controllers;
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[ApiController]
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[Route("api/[controller]")]
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public class DownloadController : ControllerBase
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{
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[HttpGet("{jobId}")]
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public IActionResult DownloadFile(string jobId)
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{
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if (string.IsNullOrWhiteSpace(jobId))
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{
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return BadRequest("Job ID is required");
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}
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try
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{
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// In production, you would:
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// 1. Verify the job exists and is completed
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// 2. Get the actual file path from storage
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// 3. Return the actual file
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// For demo purposes, return a sample response
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var sampleContent = System.Text.Encoding.UTF8.GetBytes("Sample MP3 file content - this would be actual audio data in production");
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var fileName = $"video_{jobId}.mp3";
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return File(sampleContent, "audio/mpeg", fileName);
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}
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catch (Exception ex)
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{
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return StatusCode(500, $"Error downloading file: {ex.Message}");
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}
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}
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[HttpGet("info/{jobId}")]
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public IActionResult GetDownloadInfo(string jobId)
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{
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if (string.IsNullOrWhiteSpace(jobId))
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{
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return BadRequest("Job ID is required");
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}
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// Return download metadata
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var info = new
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{
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jobId,
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fileName = $"video_{jobId}.mp3",
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fileSize = "3.2 MB",
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format = "MP3",
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quality = "128 kbps",
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createdAt = DateTime.UtcNow,
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expiresAt = DateTime.UtcNow.AddHours(24)
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};
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return Ok(info);
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}
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}
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using Microsoft.AspNetCore.Mvc;
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namespace TuneRipper.Api.Controllers;
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[ApiController]
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[Route("api/[controller]")]
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public class HealthController : ControllerBase
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{
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[HttpGet]
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public IActionResult Get()
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{
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var response = new
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{
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status = "healthy",
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timestamp = DateTime.UtcNow,
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version = "1.0.0",
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service = "TuneRipper.Api",
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environment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? "Production"
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};
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return Ok(response);
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}
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[HttpGet("ping")]
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public IActionResult Ping()
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{
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return Ok(new { message = "pong", timestamp = DateTime.UtcNow });
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}
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}
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using Microsoft.AspNetCore.Mvc;
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using TuneRipper.Shared.Models;
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using TuneRipper.Api.Services;
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using System.Collections.Concurrent;
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namespace TuneRipper.Api.Controllers;
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[ApiController]
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[Route("api/[controller]")]
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public class VideoController : ControllerBase
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{
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private readonly IVideoService _videoService;
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private readonly ILogger<VideoController> _logger;
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// In-memory storage for processing status (in production, use database or Redis)
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private static readonly ConcurrentDictionary<string, ProcessingJob> _processingJobs = new();
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private class ProcessingJob
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{
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public string Id { get; set; } = string.Empty;
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public ProcessVideoRequest Request { get; set; } = new();
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public DownloadProgress Progress { get; set; } = new();
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public ProcessVideoResponse? Result { get; set; }
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public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
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}
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public VideoController(IVideoService videoService, ILogger<VideoController> logger)
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{
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_videoService = videoService;
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_logger = logger;
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}
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[HttpGet("details")]
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public async Task<ActionResult<YouTubeVideoDetails>> GetVideoDetails([FromQuery] string url)
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{
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if (string.IsNullOrWhiteSpace(url))
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{
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return BadRequest("URL is required");
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}
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if (!_videoService.IsValidYouTubeUrl(url))
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{
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return BadRequest("Invalid YouTube URL");
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}
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try
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{
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_logger.LogInformation("Fetching video details for URL: {Url}", url);
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var videoDetails = await _videoService.GetVideoDetailsAsync(url);
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if (videoDetails == null)
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{
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return NotFound("Video not found or unavailable");
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}
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return Ok(videoDetails);
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error fetching video details for URL: {Url}", url);
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return StatusCode(500, $"Error fetching video details: {ex.Message}");
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}
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}
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[HttpPost("process")]
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public async Task<ActionResult<ProcessVideoResponse>> StartProcessing([FromBody] ProcessVideoRequest request)
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{
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if (request == null || string.IsNullOrWhiteSpace(request.Url))
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{
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return BadRequest("Invalid request");
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}
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if (!_videoService.IsValidYouTubeUrl(request.Url))
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{
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return BadRequest("Invalid YouTube URL");
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}
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try
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{
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_logger.LogInformation("Starting video processing for URL: {Url}", request.Url);
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// Generate a job ID
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var jobId = Guid.NewGuid().ToString();
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// Create processing job
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var job = new ProcessingJob
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{
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Id = jobId,
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Request = request,
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Progress = new DownloadProgress
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{
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PercentageComplete = 0,
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Status = "Queued",
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Message = "Processing request queued"
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}
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};
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_processingJobs[jobId] = job;
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// Start processing in background (fire and forget)
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_ = Task.Run(() => ProcessVideoAsync(jobId));
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var response = new ProcessVideoResponse
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{
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Success = true,
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Message = "Processing started",
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FileName = jobId, // Use job ID as temporary filename
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DownloadUrl = null, // Will be available when processing completes
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VideoDetails = null // Will be populated during processing
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};
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return Accepted(response);
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error starting video processing for URL: {Url}", request.Url);
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return StatusCode(500, $"Error starting video processing: {ex.Message}");
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}
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}
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[HttpGet("status/{jobId}")]
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public ActionResult<DownloadProgress> GetProcessingStatus(string jobId)
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{
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if (string.IsNullOrWhiteSpace(jobId))
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{
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return BadRequest("Job ID is required");
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}
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if (!_processingJobs.TryGetValue(jobId, out var job))
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{
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return NotFound("Job not found");
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}
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return Ok(job.Progress);
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}
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[HttpGet("result/{jobId}")]
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public ActionResult<ProcessVideoResponse> GetProcessingResult(string jobId)
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{
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if (string.IsNullOrWhiteSpace(jobId))
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{
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return BadRequest("Job ID is required");
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}
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if (!_processingJobs.TryGetValue(jobId, out var job))
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{
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return NotFound("Job not found");
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}
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if (job.Result == null)
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{
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return Accepted("Processing not completed yet");
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}
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return Ok(job.Result);
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}
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[HttpGet("jobs")]
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public ActionResult<IEnumerable<JobStatusResponse>> GetAllJobs()
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{
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var jobs = _processingJobs.Values.Select(job => new JobStatusResponse
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{
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JobId = job.Id,
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Status = job.Progress.Status,
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PercentageComplete = job.Progress.PercentageComplete,
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Message = job.Progress.Message,
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CreatedAt = job.CreatedAt,
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CompletedAt = job.Result != null ? job.CreatedAt.AddMinutes(5) : null, // Simulated completion time
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Result = job.Result
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}).OrderByDescending(j => j.CreatedAt);
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return Ok(jobs);
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}
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private async Task ProcessVideoAsync(string jobId)
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{
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if (!_processingJobs.TryGetValue(jobId, out var job))
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return;
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try
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{
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_logger.LogInformation("Processing video for job {JobId}", jobId);
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// Simulate video processing steps
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var steps = new[]
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{
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("Fetching video information", 10),
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("Analyzing audio stream", 25),
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("Downloading audio data", 60),
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("Converting to MP3", 85),
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("Finalizing", 100)
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};
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foreach (var (message, percentage) in steps)
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{
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job.Progress.Status = "Processing";
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job.Progress.Message = message;
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job.Progress.PercentageComplete = percentage;
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_logger.LogInformation("Job {JobId}: {Message} ({Percentage}%)", jobId, message, percentage);
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// Simulate processing time
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await Task.Delay(Random.Shared.Next(1000, 3000));
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}
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// Get video details using the service
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var videoDetails = await _videoService.GetVideoDetailsAsync(job.Request.Url!);
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// Complete processing
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job.Progress.Status = "Completed";
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job.Progress.Message = "Processing completed successfully";
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job.Progress.PercentageComplete = 100;
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job.Result = new ProcessVideoResponse
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{
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Success = true,
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Message = "Video processed successfully",
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FileName = $"{videoDetails?.Title?.Replace(" ", "_") ?? "video"}.{job.Request.Format ?? "mp3"}",
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DownloadUrl = $"/api/download/{jobId}",
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VideoDetails = videoDetails
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};
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_logger.LogInformation("Successfully completed processing for job {JobId}", jobId);
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error processing video for job {JobId}", jobId);
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job.Progress.Status = "Failed";
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job.Progress.Message = $"Processing failed: {ex.Message}";
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job.Progress.PercentageComplete = 0;
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job.Result = new ProcessVideoResponse
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{
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Success = false,
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Message = ex.Message,
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FileName = null,
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DownloadUrl = null,
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VideoDetails = null
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};
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}
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}
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}
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