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move classes to portable server lib

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Luke Pulverenti
2016-11-03 03:14:14 -04:00
parent 3eb4091808
commit b76a1abda5
18 changed files with 81 additions and 68 deletions
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Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs Normal file
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using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Controller.Drawing;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Playlists;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.IO;
using MediaBrowser.Model.IO;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.IO;
using MediaBrowser.Model.Configuration;
namespace Emby.Server.Implementations.Images
{
public abstract class BaseDynamicImageProvider<T> : IHasItemChangeMonitor, IForcedProvider, ICustomMetadataProvider<T>, IHasOrder
where T : IHasMetadata
{
protected IFileSystem FileSystem { get; private set; }
protected IProviderManager ProviderManager { get; private set; }
protected IApplicationPaths ApplicationPaths { get; private set; }
protected IImageProcessor ImageProcessor { get; set; }
protected BaseDynamicImageProvider(IFileSystem fileSystem, IProviderManager providerManager, IApplicationPaths applicationPaths, IImageProcessor imageProcessor)
{
ApplicationPaths = applicationPaths;
ProviderManager = providerManager;
FileSystem = fileSystem;
ImageProcessor = imageProcessor;
}
protected virtual bool Supports(IHasImages item)
{
return true;
}
public virtual IEnumerable<ImageType> GetSupportedImages(IHasImages item)
{
return new List<ImageType>
{
ImageType.Primary,
ImageType.Thumb
};
}
private IEnumerable<ImageType> GetEnabledImages(IHasImages item)
{
//var options = ProviderManager.GetMetadataOptions(item);
return GetSupportedImages(item);
//return GetSupportedImages(item).Where(i => IsEnabled(options, i, item)).ToList();
}
private bool IsEnabled(MetadataOptions options, ImageType type, IHasImages item)
{
if (type == ImageType.Backdrop)
{
if (item.LockedFields.Contains(MetadataFields.Backdrops))
{
return false;
}
}
else if (type == ImageType.Screenshot)
{
if (item.LockedFields.Contains(MetadataFields.Screenshots))
{
return false;
}
}
else
{
if (item.LockedFields.Contains(MetadataFields.Images))
{
return false;
}
}
return options.IsEnabled(type);
}
public async Task<ItemUpdateType> FetchAsync(T item, MetadataRefreshOptions options, CancellationToken cancellationToken)
{
if (!Supports(item))
{
return ItemUpdateType.None;
}
var updateType = ItemUpdateType.None;
var supportedImages = GetEnabledImages(item).ToList();
if (supportedImages.Contains(ImageType.Primary))
{
var primaryResult = await FetchAsync(item, ImageType.Primary, options, cancellationToken).ConfigureAwait(false);
updateType = updateType | primaryResult;
}
if (supportedImages.Contains(ImageType.Thumb))
{
var thumbResult = await FetchAsync(item, ImageType.Thumb, options, cancellationToken).ConfigureAwait(false);
updateType = updateType | thumbResult;
}
return updateType;
}
protected async Task<ItemUpdateType> FetchAsync(IHasImages item, ImageType imageType, MetadataRefreshOptions options, CancellationToken cancellationToken)
{
var image = item.GetImageInfo(imageType, 0);
if (image != null)
{
if (!image.IsLocalFile)
{
return ItemUpdateType.None;
}
if (!FileSystem.ContainsSubPath(item.GetInternalMetadataPath(), image.Path))
{
return ItemUpdateType.None;
}
}
var items = await GetItemsWithImages(item).ConfigureAwait(false);
return await FetchToFileInternal(item, items, imageType, cancellationToken).ConfigureAwait(false);
}
protected async Task<ItemUpdateType> FetchToFileInternal(IHasImages item,
List<BaseItem> itemsWithImages,
ImageType imageType,
CancellationToken cancellationToken)
{
var outputPathWithoutExtension = Path.Combine(ApplicationPaths.TempDirectory, Guid.NewGuid().ToString("N"));
FileSystem.CreateDirectory(Path.GetDirectoryName(outputPathWithoutExtension));
string outputPath = await CreateImage(item, itemsWithImages, outputPathWithoutExtension, imageType, 0).ConfigureAwait(false);
if (string.IsNullOrWhiteSpace(outputPath))
{
return ItemUpdateType.None;
}
await ProviderManager.SaveImage(item, outputPath, "image/png", imageType, null, false, cancellationToken).ConfigureAwait(false);
return ItemUpdateType.ImageUpdate;
}
protected abstract Task<List<BaseItem>> GetItemsWithImages(IHasImages item);
protected Task<string> CreateThumbCollage(IHasImages primaryItem, List<BaseItem> items, string outputPath)
{
return CreateCollage(primaryItem, items, outputPath, 640, 360);
}
protected virtual IEnumerable<string> GetStripCollageImagePaths(IHasImages primaryItem, IEnumerable<BaseItem> items)
{
return items
.Select(i =>
{
var image = i.GetImageInfo(ImageType.Primary, 0);
if (image != null && image.IsLocalFile)
{
return image.Path;
}
image = i.GetImageInfo(ImageType.Thumb, 0);
if (image != null && image.IsLocalFile)
{
return image.Path;
}
return null;
})
.Where(i => !string.IsNullOrWhiteSpace(i));
}
protected Task<string> CreatePosterCollage(IHasImages primaryItem, List<BaseItem> items, string outputPath)
{
return CreateCollage(primaryItem, items, outputPath, 400, 600);
}
protected Task<string> CreateSquareCollage(IHasImages primaryItem, List<BaseItem> items, string outputPath)
{
return CreateCollage(primaryItem, items, outputPath, 600, 600);
}
protected Task<string> CreateThumbCollage(IHasImages primaryItem, List<BaseItem> items, string outputPath, int width, int height)
{
return CreateCollage(primaryItem, items, outputPath, width, height);
}
private async Task<string> CreateCollage(IHasImages primaryItem, List<BaseItem> items, string outputPath, int width, int height)
{
FileSystem.CreateDirectory(Path.GetDirectoryName(outputPath));
var options = new ImageCollageOptions
{
Height = height,
Width = width,
OutputPath = outputPath,
InputPaths = GetStripCollageImagePaths(primaryItem, items).ToArray()
};
if (options.InputPaths.Length == 0)
{
return null;
}
if (!ImageProcessor.SupportsImageCollageCreation)
{
return null;
}
await ImageProcessor.CreateImageCollage(options).ConfigureAwait(false);
return outputPath;
}
public string Name
{
get { return "Dynamic Image Provider"; }
}
protected virtual async Task<string> CreateImage(IHasImages item,
List<BaseItem> itemsWithImages,
string outputPathWithoutExtension,
ImageType imageType,
int imageIndex)
{
if (itemsWithImages.Count == 0)
{
return null;
}
string outputPath = Path.ChangeExtension(outputPathWithoutExtension, ".png");
if (imageType == ImageType.Thumb)
{
return await CreateThumbCollage(item, itemsWithImages, outputPath).ConfigureAwait(false);
}
if (imageType == ImageType.Primary)
{
if (item is UserView)
{
return await CreateSquareCollage(item, itemsWithImages, outputPath).ConfigureAwait(false);
}
if (item is Playlist || item is MusicGenre)
{
return await CreateSquareCollage(item, itemsWithImages, outputPath).ConfigureAwait(false);
}
return await CreatePosterCollage(item, itemsWithImages, outputPath).ConfigureAwait(false);
}
throw new ArgumentException("Unexpected image type");
}
protected virtual int MaxImageAgeDays
{
get { return 7; }
}
public bool HasChanged(IHasMetadata item, IDirectoryService directoryServicee)
{
if (!Supports(item))
{
return false;
}
var supportedImages = GetEnabledImages(item).ToList();
if (supportedImages.Contains(ImageType.Primary) && HasChanged(item, ImageType.Primary))
{
return true;
}
if (supportedImages.Contains(ImageType.Thumb) && HasChanged(item, ImageType.Thumb))
{
return true;
}
return false;
}
protected bool HasChanged(IHasImages item, ImageType type)
{
var image = item.GetImageInfo(type, 0);
if (image != null)
{
if (!image.IsLocalFile)
{
return false;
}
if (!FileSystem.ContainsSubPath(item.GetInternalMetadataPath(), image.Path))
{
return false;
}
var age = DateTime.UtcNow - image.DateModified;
if (age.TotalDays <= MaxImageAgeDays)
{
return false;
}
}
return true;
}
protected List<BaseItem> GetFinalItems(List<BaseItem> items)
{
return GetFinalItems(items, 4);
}
protected virtual List<BaseItem> GetFinalItems(List<BaseItem> items, int limit)
{
// Rotate the images once every x days
var random = DateTime.Now.DayOfYear % MaxImageAgeDays;
return items
.OrderBy(i => (random + string.Empty + items.IndexOf(i)).GetMD5())
.Take(limit)
.OrderBy(i => i.Name)
.ToList();
}
public int Order
{
get
{
// Run before the default image provider which will download placeholders
return 0;
}
}
protected async Task<string> CreateSingleImage(List<BaseItem> itemsWithImages, string outputPathWithoutExtension, ImageType imageType)
{
var image = itemsWithImages
.Where(i => i.HasImage(imageType) && i.GetImageInfo(imageType, 0).IsLocalFile && Path.HasExtension(i.GetImagePath(imageType)))
.Select(i => i.GetImagePath(imageType))
.FirstOrDefault();
if (string.IsNullOrWhiteSpace(image))
{
return null;
}
var ext = Path.GetExtension(image);
var outputPath = Path.ChangeExtension(outputPathWithoutExtension, ext);
FileSystem.CopyFile(image, outputPath, true);
return outputPath;
}
}
}