512 lines
28 KiB
C#
512 lines
28 KiB
C#
using System;
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using System.Linq;
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using System.Globalization;
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using System.Text;
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using System.Collections.Generic;
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using System.Threading.Tasks;
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using Microsoft.Extensions.Logging;
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using Microsoft.EntityFrameworkCore;
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using AyaNova.Util;
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using AyaNova.Models;
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//using System.Diagnostics;
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namespace AyaNova.Biz
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{
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//This class handles word breaking, processing keywords and searching for results
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internal static class NotifyEventProcessor
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{
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private static ILogger log = AyaNova.Util.ApplicationLogging.CreateLogger("NotifyEventProcessor");
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//Add operations message
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internal static async Task AddOpsProblemEvent(string message, Exception ex = null)
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{
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if (string.IsNullOrWhiteSpace(message) && ex == null)
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return;
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//Log as a backup in case there is no one to notify and also for the record and support
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if (ex != null)
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{
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log.LogError(ex, $"Ops problem notification: \"{message}\"");
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message += $"\nException error: {ExceptionUtil.ExtractAllExceptionMessages(ex)}";
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}
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else
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log.LogWarning($"Ops problem notification: \"{message}\"");
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await AddGeneralNotifyEvent(NotifyEventType.ServerOperationsProblem, message);
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}
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//This handles general notification events not requiring a decision or tied to an object that are basically just a immediate message to the user
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//e.g. ops problems, DefaultNotification, NotifyHealthCheck etc
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//optional user id to send directly to them
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internal static async Task AddGeneralNotifyEvent(NotifyEventType eventType, string message, long userId = 0)
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{
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log.LogTrace($"AddGeneralNotifyEvent processing: [type:{eventType}, userId:{userId}, message:{message}]");
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#if (DEBUG)
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switch (eventType)
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{
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case NotifyEventType.BackupStatus:
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case NotifyEventType.DefaultNotification:
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case NotifyEventType.NotifyHealthCheck://created by job processor itself
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case NotifyEventType.ServerOperationsProblem:
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break;
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default://this will likely be a development error, not a production error so no need to log etc
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throw (new System.NotSupportedException($"NotifyEventProcessor:AddGeneralNotifyEvent - Type of event {eventType} is unexpected and not supported"));
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}
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if (eventType != NotifyEventType.DefaultNotification && userId != 0)
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{
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throw (new System.NotSupportedException($"NotifyEventProcessor:AddGeneralNotifyEvent - event {eventType} was specified with user id {userId} which is unexpected and not supported"));
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}
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#endif
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try
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{
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using (AyContext ct = AyaNova.Util.ServiceProviderProvider.DBContext)
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{
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//Default notification goes to a specific user only
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//no need to consult subscriptions
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if (eventType == NotifyEventType.DefaultNotification)
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{
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if (userId == 0)
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{
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//this will likely be a development error, not a production error so no need to log etc
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throw new System.ArgumentException("NotifyEventProcessor:AddGeneralNotifyEvent: DefaultNotification requires a user id but none was specified");
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}
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NotifyEvent n = new NotifyEvent() { EventType = eventType, UserId = userId, Message = message, NotifySubscriptionId = 0 };
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await ct.NotifyEvent.AddAsync(n);
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await ct.SaveChangesAsync();
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return;
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}
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//check subscriptions for event and send accordingly to each user
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var subs = await ct.NotifySubscription.Where(z => z.EventType == eventType).ToListAsync();
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foreach (var sub in subs)
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{
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NotifyEvent n = new NotifyEvent() { EventType = eventType, UserId = sub.UserId, Message = message, NotifySubscriptionId = sub.Id };
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await ct.NotifyEvent.AddAsync(n);
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}
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if (subs.Count > 0)
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await ct.SaveChangesAsync();
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}
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}
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catch (Exception ex)
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{
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log.LogError(ex, $"Error adding general notify event [type:{eventType}, userId:{userId}, message:{message}]");
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}
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}//eom
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//This is told about an event and then determines if there are any subscriptions related to that event and proceses them accordingly
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//todo: this should take some kind of general event type like the AyaEvent types (i.e. which CRUD operation is in effect if relevant)
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//and also a biz object before and after or just before if not a change and also a AyaType
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//then *this* code will go through and look for subscriptions related to that event
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//this way the biz object code can be "dumb" about notifications in general and just let this code handle it as needed
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//will iterate the subscriptions and see if any apply here
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internal static async Task HandlePotentialNotificationEvent(AyaEvent ayaEvent, ICoreBizObjectModel newObject, ICoreBizObjectModel originalObject = null)
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{
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log.LogTrace($"HandlePotentialNotificationEvent processing: [AyaType:{newObject.AyaType}, AyaEvent:{ayaEvent}]");
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//set to true if any changes are made to the context (NotifyEvent added)
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bool SaveContext = false;
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try
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{
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using (AyContext ct = AyaNova.Util.ServiceProviderProvider.DBContext)
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{
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//switch through AyaEvent then individual Ayatypes as required for event types
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switch (ayaEvent)
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{
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case AyaEvent.Created:
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#region Created processing
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//------------------------------
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// AyaType Specific created related subscriptions
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//
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switch (newObject.AyaType)
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{
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//AyaTypes with their own special notification related events
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case AyaType.WorkOrder:
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{
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//WorkorderStatusChange
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{
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throw new System.NotImplementedException("Awaiting workorder object completion");
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var subs = await ct.NotifySubscription.Where(z => z.EventType == NotifyEventType.WorkorderStatusChange).ToListAsync();
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foreach (var sub in subs)
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{
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if (TagsMatch(newObject.Tags, sub.Tags))
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{
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NotifyEvent n = new NotifyEvent()
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{
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EventType = NotifyEventType.ObjectAge,
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UserId = sub.UserId,
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ObjectId = newObject.Id,
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NotifySubscriptionId = sub.Id,
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//TODO: IdValue=((WorkOrder)newObject).WorkorderStatusId
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EventDate = DateTime.UtcNow
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};
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await ct.NotifyEvent.AddAsync(n);
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log.LogTrace($"Adding NotifyEvent: [{n.ToString()}]");
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//Note: in same event but for MODIFY below if need to delete old notifyevent here
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// var deleteEventList = await ct.NotifyEvent.Where(z => z.ObjectId == ev.ObjectId && z.AyaType == ev.AyaType).ToListAsync();
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// ct.NotifyEvent.RemoveRange(deleteEventList);
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SaveContext = true;
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}
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}
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}
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//ScheduledOnWorkorder
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//ScheduledOnWorkorderImminent
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//tentative WorkorderCloseByPassed
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//OutsideServiceOverdue
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//OutsideServiceReceived
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//PartRequestReceived
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//CustomerServiceImminent
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//PartRequested
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//WorkorderTotalExceedsThreshold
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//WorkorderStatusAge
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}
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break;
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case AyaType.Quote:
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//QuoteStatusChange
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//QuoteStatusAge
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break;
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case AyaType.Contract:
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//ContractExpiring
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break;
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case AyaType.Reminder:
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//ReminderImminent
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break;
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case AyaType.Unit:
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//UnitWarrantyExpiry
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break;
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case AyaType.UnitMeterReading:
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//UnitMeterReadingMultipleExceeded
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break;
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}
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//-----------------------------------------------
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//ObjectAge
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//
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{
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var subs = await ct.NotifySubscription.Where(z => z.EventType == NotifyEventType.ObjectAge && z.AyaType == newObject.AyaType).ToListAsync();
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foreach (var sub in subs)
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{
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if (TagsMatch(newObject.Tags, sub.Tags))
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{
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//Note: age is set by advance notice which is consulted by CoreJobNotify in it's run so the deliver date is not required here only the reference EventDate to check for deliver
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//ObjectAge is determined by subscription AgeValue in combo with the EventDate NotifyEvent parameter which together determines at what age from notifyevent.EventDate it's considered for the event to have officially occured
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//However delivery is determined by sub.advancenotice so all three values play a part
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//
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NotifyEvent n = new NotifyEvent()
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{
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EventType = NotifyEventType.ObjectAge,
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UserId = sub.UserId,
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AyaType = newObject.AyaType,
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ObjectId = newObject.Id,
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NotifySubscriptionId = sub.Id,
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EventDate = DateTime.UtcNow
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};
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await ct.NotifyEvent.AddAsync(n);
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log.LogTrace($"Adding NotifyEvent: [{n.ToString()}]");
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SaveContext = true;
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}
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}
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}
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//------------------------------------------
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//ObjectCreated
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//
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{
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var subs = await ct.NotifySubscription.Where(z => z.EventType == NotifyEventType.ObjectCreated && z.AyaType == newObject.AyaType).ToListAsync();
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foreach (var sub in subs)
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{
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if (TagsMatch(newObject.Tags, sub.Tags))
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{
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NotifyEvent n = new NotifyEvent() { EventType = NotifyEventType.ObjectCreated, UserId = sub.UserId, AyaType = newObject.AyaType, ObjectId = newObject.Id, NotifySubscriptionId = sub.Id };
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await ct.NotifyEvent.AddAsync(n);
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log.LogTrace($"Adding NotifyEvent: [{n.ToString()}]");
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SaveContext = true;
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}
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}
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}
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#endregion created processing
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break;
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case AyaEvent.Modified:
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#region Modified processing
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//######## NOTE: Any that don't deliver right away should be removed before re-inserting
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//------------------------------
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// AyaType Specific modified related subscriptions
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//
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switch (newObject.AyaType)
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{
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//AyaTypes with their own special notification related events
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case AyaType.WorkOrder:
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{
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//WorkorderStatusChange
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{
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throw new System.NotImplementedException("Awaiting workorder object completion");
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// if (((WorkOrder)newObject).WorkorderStatusId != ((WorkOrder)dbObject).WorkorderStatusId)
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// {
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// var subs = await ct.NotifySubscription.Where(z => z.EventType == NotifyEventType.WorkorderStatusChange).ToListAsync();
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// foreach (var sub in subs)
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// {
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// if (TagsMatch(newObject.Tags, sub.Tags))
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// {
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// NotifyEvent n = new NotifyEvent()
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// {
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// EventType = NotifyEventType.ObjectAge,
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// UserId = sub.UserId,
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// ObjectId = newObject.Id,
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// NotifySubscriptionId = sub.Id,
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// //TODO: IdValue=((WorkOrder)newObject).WorkorderStatusId
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// EventDate = DateTime.UtcNow
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// };
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// await ct.NotifyEvent.AddAsync(n);
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// log.LogTrace($"Adding NotifyEvent: [{n.ToString()}]");
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// //Note: in same event but for MODIFY below if need to delete old notifyevent here
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// // var deleteEventList = await ct.NotifyEvent.Where(z => z.ObjectId == ev.ObjectId && z.AyaType == ev.AyaType).ToListAsync();
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// // ct.NotifyEvent.RemoveRange(deleteEventList);
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// SaveContext = true;
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// }
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// }
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// }
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}
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//ScheduledOnWorkorder (DELETE OLD, USER / DATE COULD CHANGE)
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//ScheduledOnWorkorderImminent (DELTE OLD)
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//tentative WorkorderCloseByPassed (DELETE OLD)
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//OutsideServiceOverdue (ALSO DELETE OLD)
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//OutsideServiceReceived
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//PartRequestReceived
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//CustomerServiceImminent (ALSO DELETE OLD)
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//PartRequested
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//WorkorderTotalExceedsThreshold
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//WorkorderStatusAge (ALSO DELETE OLD)
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}
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break;
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case AyaType.Quote:
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//QuoteStatusChange
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//QuoteStatusAge (DELETE OLD)
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break;
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case AyaType.Contract:
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//ContractExpiring (DELETE OLD)
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break;
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case AyaType.Reminder:
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//ReminderImminent (DELETE OLD)
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break;
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case AyaType.Unit:
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//UnitWarrantyExpiry (DELETE OLD)
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break;
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case AyaType.UnitMeterReading:
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//UnitMeterReadingMultipleExceeded
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break;
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case AyaType.CustomerServiceRequest:
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//CSRAccepted (DELETE OLD might have changed from one to the other)
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//CSRRejected (DELETE OLD might have changed from one to the other)
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break;
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case AyaType.ServiceBank:
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//ServiceBankDepleted
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break;
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}
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//------------------------------------------
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//ObjectModified
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//
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{
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var subs = await ct.NotifySubscription.Where(z => z.EventType == NotifyEventType.ObjectModified && z.AyaType == newObject.AyaType).ToListAsync();
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foreach (var sub in subs)
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{
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if (TagsMatch(newObject.Tags, sub.Tags))
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{
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NotifyEvent n = new NotifyEvent() { EventType = NotifyEventType.ObjectModified, UserId = sub.UserId, AyaType = newObject.AyaType, ObjectId = newObject.Id, NotifySubscriptionId = sub.Id };
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await ct.NotifyEvent.AddAsync(n);
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log.LogTrace($"Adding NotifyEvent: [{n.ToString()}]");
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SaveContext = true;
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}
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}
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}
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#endregion modified processing
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break;
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case AyaEvent.Deleted:
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#region Deleted processing
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//------------------------------
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// Delete any NotifyEvent records for this exact object
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// It's gone and shouldn't have any events left for it
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//
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{
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var deleteList = await ct.NotifyEvent.Where(z => z.ObjectId == newObject.Id && z.AyaType == newObject.AyaType).ToListAsync();
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if (deleteList.Count > 0)
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{
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ct.NotifyEvent.RemoveRange(deleteList);
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SaveContext = true;
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}
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}
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//------------------------------------------
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//ObjectDeleted notification
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//
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{
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var subs = await ct.NotifySubscription.Where(z => z.EventType == NotifyEventType.ObjectDeleted && z.AyaType == newObject.AyaType).ToListAsync();
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foreach (var sub in subs)
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{
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if (TagsMatch(newObject.Tags, sub.Tags))
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{
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//TODO: On deliver should point to history event log record or take from there and insert into delivery message?
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NotifyEvent n = new NotifyEvent() { EventType = NotifyEventType.ObjectDeleted, UserId = sub.UserId, AyaType = newObject.AyaType, ObjectId = newObject.Id, NotifySubscriptionId = sub.Id, Message = newObject.Name };
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await ct.NotifyEvent.AddAsync(n);
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log.LogTrace($"Adding NotifyEvent: [{n.ToString()}]");
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SaveContext = true;
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}
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}
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}
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#endregion deleted processing
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break;
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default:
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#if (DEBUG)
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throw (new System.NotSupportedException($"NotifyEventProcessor:HandlePotentialNotificationEvent - AyaEvent {ayaEvent} was specified which is unexpected and not supported"));
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#else
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break;
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#endif
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}
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if (SaveContext)
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await ct.SaveChangesAsync();
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}
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}
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catch (Exception ex)
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{
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log.LogError(ex, $"Error processing event");
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}
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finally
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{
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log.LogTrace($"Notify event processing completed");
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}
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}//eom
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//################### FIRST ATTEMPT STUFF
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// //find all the Notification subscription subs that are relevant
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// //this first query ensures that the equality matching conditions of AyaType and EventType and idValue are matched leaving only more complex matches to rectify below
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// var subs = await ct.NotifySubscription.AsNoTracking().Where(z => z.EventType == ev.EventType && z.AyaType == ev.AyaType && z.IdValue == ev.IdValue).ToListAsync();
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// foreach (var sub in subs)
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// {
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// //CONDITION CHECK Tags condition
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// if (sub.Tags.Count > 0)
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// {
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// if (!HasTags)
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// continue;//not a match, this sub needs tags and we don't have any
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// //bool existsCheck = list1.All(x => list2.Any(y => x.SupplierId == y.SupplierId));
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// //would tell you if all of list1's items are in list2.
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// if (!sub.Tags.All(z => inTags.Any(x => x == z)))
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// continue;
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// }
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// //CONDITION CHECK Decimal value, so far only for "The Andy" so the only condition is that the event value be greater than or equal to subscription setting
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// if (ev.EventType == NotifyEventType.WorkorderTotalExceedsThreshold && ev.DecValue < sub.DecValue)
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// continue;
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// //Here ready for delivery
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// //HANDLE RELATED INDIRECT EVENTS AND CLEANUP
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// //some event types create related events here automatically (e.g. WorkorderStatusChange in turn will trigger workorderstatusage if subbed here)
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// //Deleting an object or changing status etc will affect other events in turn so clean up for them here
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// switch (ev.EventType)
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// {
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// case NotifyEventType.ObjectDeleted:
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// {
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// //object is deleted so remove any other events pending for it
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// //current working concept is there is no reason to keep any event related to a freshly deleted object
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// var deleteEventList = await ct.NotifyEvent.Where(z => z.ObjectId == ev.ObjectId && z.AyaType == ev.AyaType).ToListAsync();
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// ct.NotifyEvent.RemoveRange(deleteEventList);
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// await ct.SaveChangesAsync();
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// }
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// break;
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// case NotifyEventType.WorkorderStatusChange:
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// {
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// //Workorder status changed so remove any other prior workorderstatuschanged events and
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// //remove any prior workorderstatusAge events for this object id
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// var deleteEventList = await ct.NotifyEvent.Where(z => z.ObjectId == ev.ObjectId && z.AyaType == ev.AyaType && ev.EventType == NotifyEventType.WorkorderStatusChange).ToListAsync();
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// ct.NotifyEvent.RemoveRange(deleteEventList);
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// await ct.SaveChangesAsync();
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// }
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// break;
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// case NotifyEventType.WorkorderStatusAge://delete any workorder status age ones because there is potentially a new status invalidating the old status
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// case NotifyEventType.QuoteStatusAge:
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// //Delete any existing ones
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// var StaleAgedEvents = await ct.NotifyEvent.Where(z => z.EventType == ev.EventType && z.ObjectId == ev.ObjectId && z.AyaType == ev.AyaType).ToListAsync();
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// break;
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// }
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// //AgeValue refresh?
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// //Age based ones need to replace any prior existing age based ones made for the same object as they are the only ones that can sit in the queue for any length of time
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// //and become invalidated (i.e. deadman type deliveries that sb removed if no longer applicable e.g. WorkorderStatusAge)
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// switch (ev.EventType)
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// {
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// case NotifyEventType.ObjectAge://this is set on creation so it will never change unless the object is deleted
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// case NotifyEventType.WorkorderStatusAge://delete any workorder status age ones because there is potentially a new status invalidating the old status
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// case NotifyEventType.QuoteStatusAge:
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// //Delete any existing ones
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// var StaleAgedEvents = await ct.NotifyEvent.Where(z => z.EventType == ev.EventType && z.ObjectId == ev.ObjectId && z.AyaType == ev.AyaType).ToListAsync();
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// break;
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// }
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// //Here we know the sub matches the event and passes all the conditions so set the deliver date if necessary and save the NotifyEvent here
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// //todo: create message here (delivery thing?)
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// //todo: Attach report here or is that a delivery thing (delivery thing)
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// }
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private static bool TagsMatch(List<string> objectTags, List<string> subTags)
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{
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//no subscription tags? Then it always will match
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if (subTags.Count == 0) return true;
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//have sub tags but object has none? Then it's never going to match
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if (objectTags.Count == 0) return false;
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//not enought tags on object to match sub tags?
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if (subTags.Count > objectTags.Count) return false;
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//ok, here it's worth checking it out
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return subTags.All(z => objectTags.Any(x => x == z));
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}
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}//eoc
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}//eons |