C# methods for uploading a multimedia asset to SDL Media Manager

UploadToMediaManager.cs

private static Dictionary<string, object> UploadToMediaManager(IMediaManager2011 mediaManagerClient, 
  Dictionary<string, string> downloadInfo, long mediaManagerFolderId, long assetTypeId, 
  long outletId, long[] tags)
{
  // Upload to Media Manager
  UploadInfoData uploadInfoData = new UploadInfoData
  {
    Author = "Migration Upload Tool",
    MakeAvailableForWebPublishing = true,
    ProgramCreation = ProgramCreationOptions.OneProgramPerItem,
    DistributionCreation = DistributionCreationOptions.OneDistribution
  };
  
  string uploadUrl = mediaManagerClient.GetUploadUrl(mediaManagerFolderId, assetTypeId, tags, downloadInfo["title"], uploadInfoData);
  using (WebClient client = new WebClient())
  {
    try
    {
      client.UploadFile(uploadUrl, downloadInfo["file"]);
    }
    catch(Exception exception)
    {
      log.Error(exception);
      return null;
    }
    
    WebHeaderCollection webResponse = client.ResponseHeaders;
    long assetId = 0;
    long.TryParse(webResponse.GetValues("AssetId").First(), out assetId);
    long programId = 0;
    long.TryParse(webResponse.GetValues("ProgramId").First(), out programId);
    long distributionId = 0;
    long.TryParse(webResponse.GetValues("DistributionId").First(), out distributionId);
    Dictionary<string, long> responseIdsUpload = new Dictionary<string, long> { { "assetId", assetId }, { "programId", programId }, { "distributionId", distributionId } };
    
    // Update the asset's properties
    AssetData assetData = (AssetData)mediaManagerClient.GetItem(ItemTypes.Asset, responseIdsUpload["assetId"]);
    assetData.Name = downloadInfo["title"];
    assetData.Description = !String.IsNullOrEmpty(downloadInfo["altText"]) ? downloadInfo["altText"] : downloadInfo["title"];
    mediaManagerClient.UpdateItem(assetData);
    
    // Update the program's properties
    ProgramData programData = (ProgramData)mediaManagerClient.GetItem(ItemTypes.Program, responseIdsUpload["programId"]);
    programData.Name = downloadInfo["title"];
    programData.Description = !String.IsNullOrEmpty(downloadInfo["altText"]) ? downloadInfo["altText"] : downloadInfo["title"];
    mediaManagerClient.UpdateItem(programData);
    
    return CreateDistribution(mediaManagerClient, responseIdsUpload, downloadInfo["title"], mediaManagerFolderId, outletId);
  }
}

private static Dictionary<string, object> CreateDistribution(IMediaManager2011 mediaManagerClient, 
  Dictionary<string, long> responseIdsUpload, string assetDescription, 
  long mediaManagerFolderId, long outletId)
{
  // Create the Distribution
  long programId = responseIdsUpload["programId"];
  var newDistribution = new DistributionData
  {
    Name = assetDescription,
    Description = assetDescription,
    FolderId = mediaManagerFolderId,
    IsLive = true,
    OutletId = outletId,
    ProgramIds = new[] { programId }
  };
  
  DistributionData distributionData = null;
  try
  {
    distributionData = (DistributionData)mediaManagerClient.AddItem(newDistribution);
  }
  catch(Exception exception)
  {
    log.Error("Error creating the distribution in Media Manager");
    log.Error(exception);
    return null;
  }
  
  try
  {
    mediaManagerClient.PutLiveAsync(ItemTypes.Distribution, new long[] { distributionData.Id });
  }
  catch(Exception exception)
  {
    log.Error("Failed to put live distribution: " + distributionData.GlobalId);
    log.Error(exception);
  }
  
  Dictionary<string, object> uploadInfo = new Dictionary<string, object>();
  uploadInfo.Add("distributionId", distributionData.Id);
  uploadInfo.Add("description", distributionData.Description);
  uploadInfo.Add("globalId", distributionData.GlobalId);
  
  return uploadInfo;
}