Tranga-Website/Tranga/TrangaTask.cs

110 lines
3.6 KiB
C#

using Logging;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using Tranga.TrangaTasks;
namespace Tranga;
/// <summary>
/// Stores information on Task, when implementing new Tasks also update the serializer
/// </summary>
public abstract class TrangaTask
{
// ReSharper disable once CommentTypo ...Tell me why!
// ReSharper disable once MemberCanBePrivate.Global I want it thaaat way
public TimeSpan reoccurrence { get; }
public DateTime lastExecuted { get; set; }
public string? connectorName { get; }
public Task task { get; }
public Publication? publication { get; }
public string? language { get; }
[JsonIgnore]public ExecutionState state { get; set; }
public enum ExecutionState
{
Waiting,
Enqueued,
Running
};
protected TrangaTask(Task task, string? connectorName, Publication? publication, TimeSpan reoccurrence, string? language = null)
{
this.publication = publication;
this.reoccurrence = reoccurrence;
this.lastExecuted = DateTime.Now.Subtract(reoccurrence);
this.connectorName = connectorName;
this.task = task;
this.language = language;
}
/// <summary>
/// Should call StartExecutionChores and EndExecutionChores
/// </summary>
/// <param name="taskManager"></param>
/// <param name="logger"></param>
public abstract void Execute(TaskManager taskManager, Logger? logger);
/// <returns>True if elapsed time since last execution is greater than set interval</returns>
public bool ShouldExecute()
{
return DateTime.Now.Subtract(this.lastExecuted) > reoccurrence && state is ExecutionState.Waiting;
}
protected void StartExecutionChores(Logger? logger)
{
logger?.WriteLine(this.GetType().ToString(), $"Executing Task {this}");
this.state = ExecutionState.Running;
}
protected void EndExecutionChores(Logger? logger)
{
logger?.WriteLine(this.GetType().ToString(), $"Finished Executing Task {this}");
this.lastExecuted = DateTime.Now;
this.state = ExecutionState.Waiting;
}
public enum Task : byte
{
DownloadNewChapters = 2,
UpdateKomgaLibrary = 3
}
public override string ToString()
{
return $"{task}, {lastExecuted}, {reoccurrence}, {state} {(connectorName is not null ? $", {connectorName}" : "" )} {(publication is not null ? $", {publication?.sortName}": "")}";
}
public class TrangaTaskJsonConverter : JsonConverter
{
public override bool CanConvert(Type objectType)
{
return (objectType == typeof(TrangaTask));
}
public override object ReadJson(JsonReader reader, Type objectType, object? existingValue, JsonSerializer serializer)
{
JObject jo = JObject.Load(reader);
if (jo["task"]!.Value<Int64>() == (Int64)Task.DownloadNewChapters)
return jo.ToObject<DownloadNewChaptersTask>(serializer)!;
if (jo["task"]!.Value<Int64>() == (Int64)Task.UpdateKomgaLibrary)
return jo.ToObject<UpdateKomgaLibraryTask>(serializer)!;
throw new Exception();
}
public override bool CanWrite => false;
/// <summary>
/// Don't call this
/// </summary>
/// <param name="writer"></param>
/// <param name="value"></param>
/// <param name="serializer"></param>
/// <exception cref="Exception"></exception>
public override void WriteJson(JsonWriter writer, object? value, JsonSerializer serializer)
{
throw new Exception("Dont call this");
}
}
}