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implement `MessagingService`
add list of replies to ``Message`` model modify ``DBContext``
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@ -27,6 +27,7 @@ public class DBContext : DbContext {
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// we had a brief debate on whether it's neighborhoods or neighborheed
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public DbSet<UserBan> UserBans { get; set; } = null!;
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public DbSet<Report> UserReports { get; set; } = null!;
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public DbSet<Message> Messages { get; set; } = null!;
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public DbSet<Group> Groups { get; set; } = null!;
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public DbSet<Rating> Ratings { get; set; } = null!;
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public DbSet<RatingRank> RatingRanks { get; set; } = null!;
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@ -305,6 +306,10 @@ public class DBContext : DbContext {
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.WithMany(e => e.MessageBoard)
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.HasForeignKey(e => e.FromVikingId);
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builder.Entity<Message>().HasOne(r => r.ParentMessage)
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.WithMany(e => e.Replies)
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.HasForeignKey(e => e.ParentMessageId);
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// Groups
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builder.Entity<Group>().HasMany(r => r.Vikings)
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.WithMany(e => e.Groups);
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@ -12,12 +12,13 @@ public class Message
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public int VikingId { get; set; }
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public int FromVikingId { get; set; }
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public int? ParentMessageId { get; set; }
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public int QueueID { get; set; }
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public int? ConversationID { get; set; }
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public int? ReplyToMessageID { get; set; }
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public MessageType? MessageType { get; set; }
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public MessageTypeID? MessageTypeID { get; set; }
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public MessageType MessageType { get; set; }
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public MessageTypeID MessageTypeID { get; set; }
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public MessageLevel MessageLevel { get; set; }
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public string? Data { get; set; }
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@ -32,4 +33,6 @@ public class Message
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public virtual Viking? Viking { get; set; }
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public virtual Viking? FromViking { get; set; }
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public virtual Message? ParentMessage { get; set; }
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public virtual ICollection<Message>? Replies { get; set; }
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}
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196
src/Services/MessagingService.cs
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196
src/Services/MessagingService.cs
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@ -0,0 +1,196 @@
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using System;
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using sodoff.Model;
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using sodoff.Schema;
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using sodoff.Util;
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namespace sodoff.Services;
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public class MessagingService
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{
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private readonly DBContext ctx;
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public MessagingService(DBContext ctx)
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{
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this.ctx = ctx;
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}
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public Model.Message AddMessageToViking(Viking viking, Viking toViking, string apiToken, MessageType type, MessageTypeID typeID, MessageLevel level, string content, string memberMessage = "", string nonMemberMessage = "", bool isReply = false, int replyMessageID = 0) // previous implementation had seperate functions for text and data messages, lets combine them
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{
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Random rnd = new Random(); // 'ConversationId' and 'QueueId'
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// create a new message
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Model.Message message = new Model.Message
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{
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ConversationID = rnd.Next(1000, 9999),
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QueueID = rnd.Next(1000, 9999),
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CreatedAt = DateTime.UtcNow,
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LastUpdatedAt = DateTime.UtcNow,
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MessageType = type,
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MessageLevel = level,
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MessageTypeID = typeID,
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Data = content,
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IsNew = true // immediately mark as new
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};
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if (isReply == true && replyMessageID != 0)
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{
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// find the message this message is in reply to
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Model.Message? messageToReplyTo = ctx.Messages.FirstOrDefault(e => e.Id == replyMessageID);
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if(messageToReplyTo != null)
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{
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// set conversationid and queueid
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message.ConversationID = messageToReplyTo.ConversationID;
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message.QueueID = messageToReplyTo.QueueID;
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// add to parent messages replies, create a collection of replies if message has none
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if(messageToReplyTo.Replies == null) messageToReplyTo.Replies = new List<Model.Message>();
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// add to list of replies
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messageToReplyTo.Replies.Add(messageToReplyTo); // EF Core should do the rest (hopefully)
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// return message here, do not add another parent message to message board
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return message;
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}
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}
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// add it to message lists
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toViking.MessageBoard.Add(message);
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viking.MessagesMade.Add(message);
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ctx.SaveChanges();
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return message;
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}
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public bool RemoveMessage(int id)
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{
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Model.Message? messageToRemove = ctx.Messages.FirstOrDefault(e => e.Id == id);
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if (messageToRemove != null)
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{
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ctx.Messages.Remove(messageToRemove);
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ctx.SaveChanges();
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return true;
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}
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return false;
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}
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public CombinedListMessage[] ConstructCombinedMessageArray(Viking viking)
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{
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// get all viking messages
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List<Model.Message> messages = viking.MessageBoard.ToList();
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// create a new list of CombinedListMessage for the response
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List<CombinedListMessage> response = new List<CombinedListMessage>();
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// get current DateTime
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DateTime now = DateTime.UtcNow;
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foreach(Model.Message message in messages)
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{
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// if the message is older than 7 days or the 'IsDeleted' flag is set true, remove the message from the board
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if(message.IsDeleted || message.CreatedAt > now.AddDays(7))
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{
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RemoveMessage(message.Id);
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}
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// construct a CombinedListMessage based on database model
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CombinedListMessage msgRes = new CombinedListMessage
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{
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MessageType = (int)message.MessageType,
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MessageBody = XmlUtil.SerializeXml(new Schema.Message
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{
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MessageID = message.Id,
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ConversationID = message.ConversationID ?? 0,
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ReplyToMessageID = message.ParentMessageId,
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Creator = message.FromViking!.Uid.ToString() ?? "NotFound",
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CreateTime = message.CreatedAt,
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UpdateDate = message.LastUpdatedAt,
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MessageType = message.MessageType,
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MessageLevel = message.MessageLevel,
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Content = message.Data ?? "There's nothing in this message! Please report this error to the server admins or devs.",
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DisplayAttribute = "C=White" // hardcoding white for now
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}),
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MessageDate = message.CreatedAt
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};
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// if the message has a replies list, add those to response
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if(message.Replies != null)
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{
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foreach(Model.Message replyMessage in message.Replies)
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{
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if (replyMessage.Viking == viking) continue; // this is in the original implementation, i forgot what it was for, might remove
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CombinedListMessage replyRes = new CombinedListMessage
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{
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MessageType = (int)replyMessage.MessageType,
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MessageBody = XmlUtil.SerializeXml(new Schema.Message
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{
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MessageID = replyMessage.Id,
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ConversationID = replyMessage.ConversationID ?? 0,
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ReplyToMessageID = replyMessage.ParentMessageId,
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Creator = replyMessage.FromViking!.Uid.ToString() ?? "NotFound",
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CreateTime = replyMessage.CreatedAt,
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UpdateDate = replyMessage.LastUpdatedAt,
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MessageType = replyMessage.MessageType,
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MessageLevel = replyMessage.MessageLevel,
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Content = replyMessage.Data ?? "There's nothing in this message! Please report this error to the server admins or devs.",
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DisplayAttribute = "C=White" // hardcoding white for now
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}),
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MessageDate = replyMessage.CreatedAt
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};
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response.Add(replyRes);
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}
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}
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response.Add(msgRes);
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}
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// TODO - announcements, data messages (if above code doesn't add them)
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// sort response by newest first
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List<CombinedListMessage> sortedList = response.OrderBy(e => e.MessageDate).ToList();
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sortedList.Reverse();
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// return response as an array
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return response.ToArray();
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}
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public MessageInfo[] ConstructUserMessageInfoArray(Viking viking, bool showOldMessages, bool showDeletedMessages)
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{
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// get all recent messages from viking message board
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List<Model.Message> recentMessages = viking.MessageBoard.OrderBy(e => e.CreatedAt)
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.OrderBy(e => e.QueueID)
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.ToList();
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// make a new MessageInfo list for the response
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List<MessageInfo> response = new List<MessageInfo>();
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// get current DateTime
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DateTime now = DateTime.UtcNow;
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foreach(Model.Message message in recentMessages)
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{
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if(!showOldMessages && message.IsDeleted) continue;
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if(!message.IsNew) continue;
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if(message.MessageType == MessageType.Announcement) continue; // no return viking
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if(message.CreatedAt > now.AddMinutes(30) && message.IsNew) continue; // do not add messages that are older than 30 minutes even if IsNew was marked
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response.Add(new MessageInfo
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{
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MessageID = message.Id,
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UserMessageQueueID = message.QueueID,
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FromUserID = message.FromViking!.Uid.ToString() ?? "NotFound",
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MessageTypeID = (int)message.MessageTypeID,
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Data = message.Data ?? "NoData",
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MemberMessage = message.MemberMessage ?? "NoData",
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NonMemberMessage = message.NonMemberMessage ?? "NoData"
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});
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}
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return response.ToArray();
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}
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}
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