/// <exception cref="ArgumentNullException">
/// <paramref name="htmlLoader" /> or
/// <paramref name="parser" /> or
/// <paramref name="backupProcessor" /> or
/// <paramref name="httpDownloadManager" /> or
/// <paramref name="dataService" /> or
/// <paramref name="fileSystemProxy" /> is <see langword="null" />.</exception>
internal PluralsightCatalog(IHtmlLoader htmlLoader,
ITrainingCatalogParser <PluralsightCategory, PluralsightCourse, PluralsightAuthor> parser,
ICatalogBackupProcessor <PluralsightCategory, PluralsightCourse, PluralsightAuthor> backupProcessor,
IHttpDownloadManager httpDownloadManager,
IPluralsightDataService dataService,
IFileSystemProxy fileSystemProxy)
: base(httpDownloadManager, fileSystemProxy)
{
if (htmlLoader == null)
{
throw new ArgumentNullException("htmlLoader");
}
if (parser == null)
{
throw new ArgumentNullException("parser");
}
if (backupProcessor == null)
{
throw new ArgumentNullException("backupProcessor");
}
if (dataService == null)
{
throw new ArgumentNullException("dataService");
}
_htmlLoader = htmlLoader;
_parser = parser;
_backupProcessor = backupProcessor;
_dataService = dataService;
}
/// <exception cref="ArgumentNullException">
/// <paramref name="archiveCurrentSaveDirectory"/> or
/// <paramref name="httpDownloadManager"/> or
/// <paramref name="fileSystemProxy"/> is <see langword="null" />.</exception>
public PluralsightWebDataService(string archiveCurrentSaveDirectory, IHttpDownloadManager httpDownloadManager,
IFileSystemProxy fileSystemProxy, bool createArchives = true)
: base(fileSystemProxy)
{
if (archiveCurrentSaveDirectory == null)
{
throw new ArgumentNullException("archiveCurrentSaveDirectory");
}
if (httpDownloadManager == null)
{
throw new ArgumentNullException("httpDownloadManager");
}
if (fileSystemProxy == null)
{
throw new ArgumentNullException("fileSystemProxy");
}
_archiveCurrentSaveDirectory = archiveCurrentSaveDirectory;
_httpDownloadManager = httpDownloadManager;
_authorsInfoContainer = new Dictionary <string, string>();
_coursesInfoContainer = new Dictionary <string, string>();
_coursesToCContainer = new Dictionary <string, string>();
_courseSpecializationsContainer = new AsyncLazy <Dictionary <string, Specializations> >(async() =>
await InitializeCourseSpecializationContainerAsync());
_createArchives = createArchives;
}
/// <exception cref="ArgumentNullException">
/// <paramref name="trainingProviderName"/> or
/// <paramref name="mediaPath"/> or
/// <paramref name="httpDownloadManager"/> or
/// <paramref name="fileSystemProxy"/>
/// is <see langword="null" />.</exception>
internal TrainingCatalogMediaContentProcessor(int trainingProviderId, string trainingProviderName,
IMediaPath mediaPath,
IHttpDownloadManager httpDownloadManager, IFileSystemProxy fileSystemProxy)
{
if (trainingProviderName == null)
{
throw new ArgumentNullException("trainingProviderName");
}
if (mediaPath == null)
{
throw new ArgumentNullException("mediaPath");
}
if (mediaPath == null)
{
throw new ArgumentNullException("httpDownloadManager");
}
if (mediaPath == null)
{
throw new ArgumentNullException("fileSystemProxy");
}
_trainingProviderName = trainingProviderName;
_trainingProviderId = trainingProviderId;
_mediaPath = mediaPath;
_httpDownloadManager = httpDownloadManager;
_fileSystemProxy = fileSystemProxy;
}
public override async Task <Author> GetAuthorAsync(string authorUrlName, IHttpDownloadManager httpDownloadManager)
{
using (var dataService = PluralsightWebDataService.CreateForDataQuery(HttpDownloadManager))
{
var author = await dataService.GetAuthorAsync(authorUrlName);
return(author);
}
}
/// <exception cref="ArgumentNullException">
/// <paramref name="httpDownloadManager"/> or
/// <paramref name="fileSystemProxy"/>
/// is <see langword="null" />.</exception>
protected TrainingCatalog(IHttpDownloadManager httpDownloadManager, IFileSystemProxy fileSystemProxy)
{
if (httpDownloadManager == null)
{
throw new ArgumentNullException("httpDownloadManager");
}
if (fileSystemProxy == null)
{
throw new ArgumentNullException("fileSystemProxy");
}
HttpDownloadManager = httpDownloadManager;
FileSystemProxy = fileSystemProxy;
}
/// <exception cref="ArgumentNullException">
/// <paramref name="trainingProviderName"/> or
/// <paramref name="mediaPath"/> or
/// <paramref name="httpDownloadManager"/> or
/// <paramref name="fileSystemProxy"/>
/// is <see langword="null" />.</exception>
internal TrainingCatalogMediaContentProcessor(int trainingProviderId, string trainingProviderName,
IMediaPath mediaPath,
IHttpDownloadManager httpDownloadManager, IFileSystemProxy fileSystemProxy)
{
if (trainingProviderName == null)
throw new ArgumentNullException("trainingProviderName");
if (mediaPath == null)
throw new ArgumentNullException("mediaPath");
if (mediaPath == null)
throw new ArgumentNullException("httpDownloadManager");
if (mediaPath == null)
throw new ArgumentNullException("fileSystemProxy");
_trainingProviderName = trainingProviderName;
_trainingProviderId = trainingProviderId;
_mediaPath = mediaPath;
_httpDownloadManager = httpDownloadManager;
_fileSystemProxy = fileSystemProxy;
}
public static PluralsightWebDataService CreateForDataQuery(IHttpDownloadManager httpDownloadManager)
{
return(new PluralsightWebDataService(string.Empty, httpDownloadManager, Shared.FileSystemProxy.Instance, createArchives: false));
}
/// <exception cref="UpdateServiceException">Author already in db.</exception>
public async Task<CallResult<Author>> CreateAuthorAsync(int trainingProviderId, string authorUrlName, IHttpDownloadManager httpDownloadManager)
{
if (authorUrlName == null) throw new ArgumentNullException("authorUrlName");
if (httpDownloadManager == null) throw new ArgumentNullException("httpDownloadManager");
if (!await _semaphore.WaitAsync(WaitTimeout))
{
return CallResult<Author>.Failed(Resources.UpdateService_CannotUpdateBecauseDatabaseIsInUpdateState);
}
Author author;
try
{
using (var context = _contextFactory.CreateDbContext())
{
var trainingProvider = await context.TrainingProviders.FindAsync(trainingProviderId);
var pathsContainer = new ServerMediaPathsContainer(_serverImagesPath, new[] { trainingProvider });
using (var catalog = _activatorProxy.CreateInstance<ITrainingCatalog>(trainingProvider.AssemblyType))
{
// ReSharper disable once ExceptionNotDocumented
catalog.Initialize(trainingProvider.Name, trainingProvider.Id, trainingProvider.SiteUrl,
trainingProvider.SourceUrl, trainingProvider.SourceLocation, pathsContainer, _archiveDirectoryPath);
author = await catalog.GetAuthorAsync(authorUrlName, httpDownloadManager);
}
var sameAuthorsIds = await context.Authors
.Where(x => x.LastName == author.LastName &&
x.FirstName == author.FirstName &&
x.Social.FacebookLink == author.Social.FacebookLink &&
x.Social.LinkedInLink == author.Social.LinkedInLink &&
x.Social.RssLink == author.Social.RssLink &&
x.Social.TwitterLink == author.Social.TwitterLink)
.Select(x => x.Id).ToListAsync();
if (sameAuthorsIds.Any())
{
var message = string.Format(Resources.UpdateServiceException_AuthorAlreadyInDb_Message, author.FullName,
string.Join(";", sameAuthorsIds));
return CallResult<Author>.Failed(message);
}
// save avatar to media folder
var pathToSave = Path.Combine(pathsContainer.AuthorsLogoPath[trainingProviderId], author.Avatar.Name);
if (!FileSystemProxy.Instance.IsFileExists(pathToSave))
{
// ensure http scheme
var avatarUriBuilder = new UriBuilder(new Uri(author.Avatar.SiteUrl))
{
Scheme = "http"
};
var avatarResponse = await httpDownloadManager.DownloadFileAsync(avatarUriBuilder.Uri);
if (avatarResponse.IsSuccess)
{
await FileSystemProxy.Instance.WriteToFileAsync(pathToSave, avatarResponse.Result);
}
}
context.Authors.Add(author);
await context.SaveChangesAsync();
}
}
finally
{
_semaphore.Release();
}
return CallResult<Author>.Success(author);
}
/// <exception cref="UpdateServiceException">Author already in db.</exception>
public async Task <CallResult <Author> > CreateAuthorAsync(int trainingProviderId, string authorUrlName, IHttpDownloadManager httpDownloadManager)
{
if (authorUrlName == null)
{
throw new ArgumentNullException("authorUrlName");
}
if (httpDownloadManager == null)
{
throw new ArgumentNullException("httpDownloadManager");
}
if (!await _semaphore.WaitAsync(WaitTimeout))
{
return(CallResult <Author> .Failed(Resources.UpdateService_CannotUpdateBecauseDatabaseIsInUpdateState));
}
Author author;
try
{
using (var context = _contextFactory.CreateDbContext())
{
var trainingProvider = await context.TrainingProviders.FindAsync(trainingProviderId);
var pathsContainer = new ServerMediaPathsContainer(_serverImagesPath, new[] { trainingProvider });
using (var catalog = _activatorProxy.CreateInstance <ITrainingCatalog>(trainingProvider.AssemblyType))
{
// ReSharper disable once ExceptionNotDocumented
catalog.Initialize(trainingProvider.Name, trainingProvider.Id, trainingProvider.SiteUrl,
trainingProvider.SourceUrl, trainingProvider.SourceLocation, pathsContainer, _archiveDirectoryPath);
author = await catalog.GetAuthorAsync(authorUrlName, httpDownloadManager);
}
var sameAuthorsIds = await context.Authors
.Where(x => x.LastName == author.LastName &&
x.FirstName == author.FirstName &&
x.Social.FacebookLink == author.Social.FacebookLink &&
x.Social.LinkedInLink == author.Social.LinkedInLink &&
x.Social.RssLink == author.Social.RssLink &&
x.Social.TwitterLink == author.Social.TwitterLink)
.Select(x => x.Id).ToListAsync();
if (sameAuthorsIds.Any())
{
var message = string.Format(Resources.UpdateServiceException_AuthorAlreadyInDb_Message, author.FullName,
string.Join(";", sameAuthorsIds));
return(CallResult <Author> .Failed(message));
}
// save avatar to media folder
var pathToSave = Path.Combine(pathsContainer.AuthorsLogoPath[trainingProviderId], author.Avatar.Name);
if (!FileSystemProxy.Instance.IsFileExists(pathToSave))
{
// ensure http scheme
var avatarUriBuilder = new UriBuilder(new Uri(author.Avatar.SiteUrl))
{
Scheme = "http"
};
var avatarResponse = await httpDownloadManager.DownloadFileAsync(avatarUriBuilder.Uri);
if (avatarResponse.IsSuccess)
{
await FileSystemProxy.Instance.WriteToFileAsync(pathToSave, avatarResponse.Result);
}
}
context.Authors.Add(author);
await context.SaveChangesAsync();
}
}
finally
{
_semaphore.Release();
}
return(CallResult <Author> .Success(author));
}
/// <exception cref="ArgumentNullException">
/// <paramref name="trainingProviderName"/> or
/// <paramref name="mediaPath" /> or
/// <paramref name="httpDownloadManager" />
/// is <see langword="null" />.</exception>
public TrainingCatalogMediaContentProcessor(int trainingProviderId, string trainingProviderName, IMediaPath mediaPath,
IHttpDownloadManager httpDownloadManager)
: this(trainingProviderId, trainingProviderName, mediaPath, httpDownloadManager, FileSystemProxy.Instance)
{
}
public abstract Task <Author> GetAuthorAsync(string authorUrlName, IHttpDownloadManager httpDownloadManager);
/// <exception cref="ArgumentNullException">
/// <paramref name="trainingProviderName"/> or
/// <paramref name="mediaPath" /> or
/// <paramref name="httpDownloadManager" />
/// is <see langword="null" />.</exception>
public TrainingCatalogMediaContentProcessor(int trainingProviderId,string trainingProviderName, IMediaPath mediaPath,
IHttpDownloadManager httpDownloadManager)
: this(trainingProviderId,trainingProviderName, mediaPath, httpDownloadManager, FileSystemProxy.Instance)
{
}
