mesa-fi-backlog/Adaptation/FileHandlers/Priority/WeightedShortestJobFirstModule.cs
2025-04-14 12:55:28 -07:00

262 lines
11 KiB
C#

using log4net;
using Nancy;
using Nancy.Extensions;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IO;
using System.Linq;
using System.Text.Json;
#nullable enable
#pragma warning disable CA1822
namespace Adaptation.FileHandlers.Priority;
public class WeightedShortestJobFirstModule : NancyModule
{
public WeightedShortestJobFirstModule()
{
Get("/api/v1/ado/", _ =>
{
string json;
ILog log = LogManager.GetLogger(typeof(WeightedShortestJobFirstModule));
log.Info($"Enter-{nameof(GetKeyValuePairs)}");
try
{
string query = Request.Url.Query;
IDictionary<string, IEnumerable<string>> collection = Nancy.Helpers.HttpUtility.ParseQueryString(query).ToDictionary();
KeyValuePair<string, WorkItem>? workItem = GetWorkItem(collection);
json = workItem is null ? string.Empty : JsonSerializer.Serialize(workItem, KeyValuePairStringWorkItemSourceGenerationContext.Default.KeyValuePairStringWorkItem);
}
catch (Exception ex)
{
log.Fatal($"Exception-{nameof(GetKeyValuePairs)}{Environment.NewLine}{ex.Message}{Environment.NewLine}{Environment.NewLine}{ex.StackTrace}");
throw;
}
log.Info($"Return-{nameof(GetKeyValuePairs)}");
return json;
});
base.Post("/api/v1/ado/", _ =>
{
Notification notification;
ILog log = LogManager.GetLogger(typeof(WeightedShortestJobFirstModule));
log.Info($"Enter-{nameof(Post)}");
try
{
string body = Request.Body.AsString();
DynamicDictionary form = Request.Form;
Dictionary<string, object> keyValuePairs = form.ToDictionary();
notification = GetNotification(body, keyValuePairs);
}
catch (Exception ex)
{
log.Fatal($"Exception-{nameof(Post)}{Environment.NewLine}{ex.Message}{Environment.NewLine}{Environment.NewLine}{ex.StackTrace}");
throw;
}
log.Info($"Return-{nameof(Post)}");
return notification.Time.ToString();
});
}
private static Dictionary<string, string?> GetKeyValuePairs(IDictionary<string, IEnumerable<string>> collection)
{
Dictionary<string, string?> results = new();
string[] array;
foreach (KeyValuePair<string, IEnumerable<string>> keyValuePair in collection)
{
array = keyValuePair.Value.ToArray();
if (array.Length != 1)
continue;
if (array.Length == 1 && array[0] == "null")
results.Add(keyValuePair.Key, null);
else
results.Add(keyValuePair.Key, array[0]);
}
return results;
}
internal static Notification GetNotification(string body, Dictionary<string, object> keyValuePairs)
{
Notification result;
if (FileRead.Queue is null)
throw new NullReferenceException(nameof(FileRead.Queue));
if (FileRead.Settings is null)
throw new NullReferenceException(nameof(FileRead.Settings));
if (FileRead.WorkItems is null)
throw new NullReferenceException(nameof(FileRead.WorkItems));
string? json;
if (!string.IsNullOrEmpty(body) && body[0] == '{')
{
File.WriteAllText(".json", body);
result = JsonSerializer.Deserialize(body, NotificationSourceGenerationContext.Default.Notification) ?? throw new NullReferenceException();
}
else
{
json = JsonSerializer.Serialize(keyValuePairs);
File.WriteAllText(".json", json);
result = JsonSerializer.Deserialize(json, NotificationSourceGenerationContext.Default.Notification) ?? throw new NullReferenceException();
}
if (!string.IsNullOrEmpty(result.Id))
FileWriteAllText(FileRead.Settings, result);
json = PopulatedWorkItemsAndGetJson(FileRead.Settings, FileRead.WorkItems);
if (!string.IsNullOrEmpty(json))
WriteJson(FileRead.Settings, json);
if (!string.IsNullOrEmpty(result.SessionId))
{
string key = GetKey(result);
Queue<KeyValuePair<string, WorkItem>>? queue;
lock (FileRead.Queue)
{
if (!FileRead.Queue.TryGetValue(key, out queue))
{
FileRead.Queue.Add(key, new());
if (!FileRead.Queue.TryGetValue(key, out queue))
throw new Exception();
}
}
WorkItem? workItem = GetWorkItem(FileRead.WorkItems, result);
if (workItem is not null)
{
lock (FileRead.Queue)
{
foreach (KeyValuePair<string, Queue<KeyValuePair<string, WorkItem>>> keyValuePair in FileRead.Queue)
keyValuePair.Value.Enqueue(new(result.Page, workItem));
}
}
}
return result;
}
internal static KeyValuePair<string, WorkItem>? GetWorkItem(IDictionary<string, IEnumerable<string>> collection)
{
KeyValuePair<string, WorkItem>? result;
Dictionary<string, string?> keyValuePairs = GetKeyValuePairs(collection);
Notification notification = Notification.Get(keyValuePairs);
if (FileRead.Queue is null)
result = null;
else
{
Queue<KeyValuePair<string, WorkItem>>? queue;
string key = GetKey(notification);
lock (FileRead.Queue)
{
if (!FileRead.Queue.TryGetValue(key, out queue))
{
FileRead.Queue.Add(key, new());
if (!FileRead.Queue.TryGetValue(key, out queue))
throw new Exception();
}
result = queue.Count == 0 ? null : queue.Dequeue();
}
}
return result;
}
private static string GetKey(Notification notification) =>
$"{notification.SessionId}-{notification.MachineId}-{notification.Username}";
private static void FileWriteAllText(Settings settings, Notification notification)
{
if (string.IsNullOrEmpty(notification.Id))
throw new NullReferenceException(nameof(notification.Id));
string json = JsonSerializer.Serialize(notification, NotificationSourceGenerationContext.Default.Notification);
string directory = Path.Combine(settings.SourceFileLocation, notification.Page, notification.Id.ToString());
if (!Directory.Exists(directory))
_ = Directory.CreateDirectory(directory);
string checkFile = Path.Combine(directory, $"{notification.Time}.json");
File.WriteAllText(checkFile, json);
}
internal static string? PopulatedWorkItemsAndGetJson(Settings settings, Dictionary<int, WorkItem> workItems)
{
string? result = null;
ReadOnlyDictionary<int, WorkItem?> keyValuePairs = WorkItem.GetKeyValuePairs(settings);
int useCount = (from l in keyValuePairs where l.Value.CostOfDelay is not null select true).Count();
double prioritySize = useCount / settings.Priorities;
double priorityGroupSize = useCount / settings.PriorityGroups;
WorkItem[] sorted = (from l in keyValuePairs
where l.Value is not null
orderby l.Value.Site is not null,
l.Value.Site descending,
l.Value.CostOfDelay is not null,
l.Value.CostOfDelay descending,
l.Value.BusinessValue?.FibonacciAverage is not null,
l.Value.BusinessValue?.FibonacciAverage descending,
l.Key
select l.Value).ToArray();
lock (workItems)
{
int j = 0;
WorkItem w;
double value;
int lastId = -1;
int? sortBeforeId;
WorkItem workItem;
int? sortPriority;
workItems.Clear();
int? sortPriorityGroup;
for (int i = 0; i < sorted.Length; i++)
{
w = sorted[i];
if (w.CostOfDelay is null)
{
sortBeforeId = null;
sortPriority = null;
sortPriorityGroup = null;
}
else
{
j += 1;
sortBeforeId = lastId;
value = (j / prioritySize) + 1;
sortPriority = (int)Math.Floor(value);
if (sortPriority > settings.Priorities)
sortPriority = settings.Priorities;
value = (j / priorityGroupSize) + 1;
sortPriorityGroup = (int)Math.Floor(value);
if (sortPriorityGroup > settings.PriorityGroups)
sortPriorityGroup = settings.PriorityGroups;
}
workItem = WorkItem.GetWorkItem(w, i, sortBeforeId, sortPriority, sortPriorityGroup);
workItems.Add(workItem.Id, workItem);
lastId = w.Id;
}
result = JsonSerializer.Serialize(workItems, WorkItemDictionarySourceGenerationContext.Default.DictionaryInt32WorkItem);
}
return result;
}
private static WorkItem? GetWorkItem(Dictionary<int, WorkItem> workItems, Notification notification)
{
WorkItem? result;
if (string.IsNullOrEmpty(notification.Id) || !int.TryParse(notification.Id, out int id))
result = null;
else
{
lock (workItems)
{
if (!workItems.TryGetValue(id, out result))
throw new Exception();
}
}
return result;
}
internal static void WriteJson(Settings settings, string json)
{
string jsonFile = Path.Combine(settings.ParentDirectory, "{}.json");
string jsonFileWith = Path.Combine(settings.ParentDirectory, "{[]}.json");
string jsonOld = File.Exists(jsonFileWith) ? File.ReadAllText(jsonFileWith) : string.Empty;
if (json != jsonOld)
{
File.WriteAllText(jsonFileWith, json);
Dictionary<int, WorkItem> w = JsonSerializer.Deserialize(json.Replace($"\"{nameof(Aggregation.Notifications)}\":", "\"ignore\":"), WorkItemDictionarySourceGenerationContext.Default.DictionaryInt32WorkItem) ?? throw new Exception();
json = JsonSerializer.Serialize(w, WorkItemDictionarySourceGenerationContext.Default.DictionaryInt32WorkItem);
File.WriteAllText(jsonFile, json);
}
}
}