78 lines
3.0 KiB
C#
78 lines
3.0 KiB
C#
namespace Tranga;
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public class TrangaTask
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{
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public TimeSpan reoccurrence { get; }
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public DateTime lastExecuted { get; private set; }
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public Connector connector { get; }
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public availableTasks availableTaskToExecute { get; }
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public enum availableTasks
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{
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downloadNewChapters,
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updateChapters,
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updatePublications
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};
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public Publication? publication { get; }
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public string language { get; }
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public TrangaTask(Connector connector, availableTasks availableTask, TimeSpan reoccurrence, Publication? publication = null, string language = "en")
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{
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this.connector = connector;
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this.availableTaskToExecute = availableTask;
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this.lastExecuted = DateTime.Now.Subtract(reoccurrence);
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this.reoccurrence = reoccurrence;
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this.publication = publication;
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this.language = language;
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if (publication is null && availableTask is availableTasks.updateChapters or availableTasks.downloadNewChapters)
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{
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if (publication is null)
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throw new ArgumentException(
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"If task is updateChapters or downloadNewChapters, Argument publication can not be null!");
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}
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}
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public void Execute(ref Dictionary<Publication, Chapter[]> chapterCollection)
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{
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switch (this.availableTaskToExecute)
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{
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case availableTasks.updateChapters:
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UpdateChapters(ref chapterCollection);
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break;
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case availableTasks.updatePublications:
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UpdatePublications(ref chapterCollection);
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break;
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case availableTasks.downloadNewChapters:
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DownloadNewChapters(UpdateChapters(ref chapterCollection));
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break;
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}
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this.lastExecuted = DateTime.Now;
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}
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private Chapter[] UpdateChapters(ref Dictionary<Publication, Chapter[]> chapterCollection)
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{
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Publication pPublication = (Publication)this.publication!;
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Chapter[] presentChapters = chapterCollection[pPublication];
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Chapter[] allChapters = connector.GetChapters(pPublication);
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chapterCollection[pPublication] = allChapters;
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Dictionary<string, Chapter> pChapter = presentChapters.ToDictionary(chapter => chapter.url, chapter => chapter);
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Dictionary<string, Chapter> aChapter = allChapters.ToDictionary(chapter => chapter.url, chapter => chapter);
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return aChapter.Except(pChapter).ToDictionary(pair => pair.Key, pair => pair.Value).Values.ToArray();
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}
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private void UpdatePublications(ref Dictionary<Publication, Chapter[]> chapterCollection)
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{
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Publication[] allPublications = connector.GetPublications();
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foreach(Publication publication in allPublications)
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chapterCollection.TryAdd(publication, Array.Empty<Chapter>());
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}
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private void DownloadNewChapters(Chapter[] newChapters)
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{
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Publication pPublication = (Publication)this.publication!;
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foreach(Chapter chapter in newChapters)
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connector.DownloadChapter(pPublication, chapter);
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}
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} |