Adding

LCU.API.Collections.RepoApi-old/LCU.API.Collections.RepoApi/Exceptions/AccountCreationFailed.cs

@@ -0,0 +1,11 @@
+using System;
+
+namespace LCU.API.Collections.RepoApi.Exceptions
+{
+    public class AccountCreationFailed : ApplicationException
+    {
+        public AccountCreationFailed(string message) : base(message)
+        {
+        }
+    }
+}

LCU.API.Collections.RepoApi-old/LCU.API.Collections.RepoApi/Exceptions/IneligibleAccountException.cs

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+using System;
+
+namespace LCU.API.Collections.RepoApi.Exceptions
+{
+    /// <summary>
+    /// Describes a missing requirement for processing an account; this account CANNOT be tried again later.
+    /// </summary>
+    public class IneligibleAccountException : Exception
+    {
+        public string Field { get; set; }
+        public string Reason { get; set; }
+
+        public IneligibleAccountException(string field, string reason) : base(field)
+        {
+            Field = field;
+            Reason = reason;
+        }
+    }
+}

LCU.API.Collections.RepoApi-old/LCU.API.Collections.RepoApi/Exceptions/MissingRequirementException.cs

@@ -0,0 +1,19 @@
+using System;
+
+namespace LCU.API.Collections.RepoApi.Exceptions
+{
+    /// <summary>
+    /// Describes a missing requirement for processing an account; which will mean the account can be tried again later.
+    /// </summary>
+    public class MissingRequirementException : Exception
+    {
+        public string Field { get; set; }
+        public string Advice { get; set; }
+
+        public MissingRequirementException(string field, string advice) : base(field)
+        {
+            Field = field;
+            Advice = advice;
+        }
+    }
+}

LCU.API.Collections.RepoApi-old/LCU.API.Collections.RepoApi/Exceptions/NotFoundException.cs

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+using System;
+
+namespace LCU.API.Collections.RepoApi.Exceptions
+{
+    /**
+     * If an entity cannot be found, that specific error can allow for a 404 or 400 with more detail to be
+     * returned. So specify that to the API layer.
+     */
+    public class NotFoundException : ApplicationException
+    {
+        public NotFoundException(string message) : base(message)
+        {
+        }
+    }
+}

LCU.API.Collections.RepoApi-old/LCU.API.Collections.RepoApi/Exceptions/ServerErrorException.cs

@@ -0,0 +1,15 @@
+using System;
+
+namespace LCU.API.Collections.RepoApi.Exceptions
+{
+    /**
+     * Do not want to expose database and related exceptions to the controllers / web layer.
+     * The lower layers log what happened for developers, then return a general error; unless
+     * a more specific error can be returned in a way to allow the client to act (such as NotFound).
+     */
+    // IF YOU SEE THIS EXCEPTION IN SEQ, IT MEANS YES, YOU HAVE TO INVESTIGATE.
+    public class ServerErrorException : Exception
+    {
+        public ServerErrorException(): base("[INVESTIGATE] A server error occured. See associated logs.") { }
+    }
+}