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| author | crupest <crupest@outlook.com> | 2020-10-27 19:21:35 +0800 |
|---|---|---|
| committer | crupest <crupest@outlook.com> | 2020-10-27 19:21:35 +0800 |
| commit | ac769e656b122ff569c3f1534701b71e00fed586 (patch) | |
| tree | 72966645ff1e25139d3995262e1c4349f2c14733 /BackEnd/Timeline/Services/Exceptions/EntityAlreadyExistError.cs | |
| parent | 14e5848c23c643cea9b5d709770747d98c3d75e2 (diff) | |
| download | timeline-ac769e656b122ff569c3f1534701b71e00fed586.tar.gz timeline-ac769e656b122ff569c3f1534701b71e00fed586.tar.bz2 timeline-ac769e656b122ff569c3f1534701b71e00fed586.zip | |
Split front and back end.
Diffstat (limited to 'BackEnd/Timeline/Services/Exceptions/EntityAlreadyExistError.cs')
| -rw-r--r-- | BackEnd/Timeline/Services/Exceptions/EntityAlreadyExistError.cs | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/BackEnd/Timeline/Services/Exceptions/EntityAlreadyExistError.cs b/BackEnd/Timeline/Services/Exceptions/EntityAlreadyExistError.cs new file mode 100644 index 00000000..7db2e860 --- /dev/null +++ b/BackEnd/Timeline/Services/Exceptions/EntityAlreadyExistError.cs @@ -0,0 +1,63 @@ +using System;
+using System.Globalization;
+using System.Text;
+
+namespace Timeline.Services.Exceptions
+{
+ /// <summary>
+ /// Thrown when an entity is already exists.
+ /// </summary>
+ /// <remarks>
+ /// For example, want to create a timeline but a timeline with the same name already exists.
+ /// </remarks>
+ [Serializable]
+ public class EntityAlreadyExistException : Exception
+ {
+ private readonly string? _entityName;
+
+ public EntityAlreadyExistException() : this(null, null, null, null) { }
+
+ public EntityAlreadyExistException(string? entityName) : this(entityName, null) { }
+
+ public EntityAlreadyExistException(string? entityName, Exception? inner) : this(entityName, null, null, null, inner) { }
+
+ public EntityAlreadyExistException(string? entityName, object? entity = null) : this(entityName, null, entity, null, null) { }
+ public EntityAlreadyExistException(Type? entityType, object? entity = null) : this(null, entityType, entity, null, null) { }
+ public EntityAlreadyExistException(string? entityName, Type? entityType, object? entity = null, string? message = null, Exception? inner = null) : base(MakeMessage(entityName, entityType, message), inner)
+ {
+ _entityName = entityName;
+ EntityType = entityType;
+ Entity = entity;
+ }
+
+ private static string MakeMessage(string? entityName, Type? entityType, string? message)
+ {
+ string? name = entityName ?? (entityType?.Name);
+
+ var result = new StringBuilder();
+
+ if (name == null)
+ result.Append(Resources.Services.Exceptions.EntityAlreadyExistErrorDefault);
+ else
+ result.AppendFormat(CultureInfo.InvariantCulture, Resources.Services.Exceptions.EntityAlreadyExistError, name);
+
+ if (message != null)
+ {
+ result.Append(' ');
+ result.Append(message);
+ }
+
+ return result.ToString();
+ }
+
+ protected EntityAlreadyExistException(
+ System.Runtime.Serialization.SerializationInfo info,
+ System.Runtime.Serialization.StreamingContext context) : base(info, context) { }
+
+ public string? EntityName => _entityName ?? (EntityType?.Name);
+
+ public Type? EntityType { get; }
+
+ public object? Entity { get; }
+ }
+}
|