cat on a spaceship

2025-11-01 22:38:46 -04:00
parent 747fa227a1
commit f6dccf46d7
89 changed files with 2663 additions and 581 deletions
@@ -0,0 +1,51 @@
+using System;
+using System.Reflection;
+using Svrnty.CQRS.Abstractions.Attributes;
+
+namespace Svrnty.CQRS.Abstractions.Discovery;
+
+public sealed class CommandMeta : ICommandMeta
+{
+    public CommandMeta(Type commandType, Type serviceType, Type commandResultType)
+    {
+        CommandType = commandType;
+        ServiceType = serviceType;
+        CommandResultType = commandResultType;
+    }
+
+    public CommandMeta(Type commandType, Type serviceType)
+    {
+        CommandType = commandType;
+        ServiceType = serviceType;
+    }
+
+    private CommandNameAttribute NameAttribute => CommandType.GetCustomAttribute<CommandNameAttribute>();
+
+    public string Name
+    {
+        get
+        {
+            var name = NameAttribute?.Name ?? CommandType.Name.Replace("Command", string.Empty);
+            return name;
+        }
+    }
+
+    public Type CommandType { get; }
+    public Type ServiceType { get; }
+    public Type CommandResultType { get; }
+
+    public string LowerCamelCaseName
+    {
+        get
+        {
+            if (string.IsNullOrEmpty(Name))
+                return Name;
+
+            var name = Name;
+            var firstLetter = Char.ToLowerInvariant(name[0]);
+            var ret = $"{firstLetter}{name.Substring(1)}";
+            return ret;
+        }
+    }
+}
+
@@ -0,0 +1,13 @@
+using System;
+
+namespace Svrnty.CQRS.Abstractions.Discovery;
+
+public interface ICommandMeta
+{
+    string Name { get; }
+    Type CommandType { get; }
+    Type ServiceType { get; }
+    Type CommandResultType { get; }
+    string LowerCamelCaseName { get; }
+}
+
@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+
+namespace Svrnty.CQRS.Abstractions.Discovery;
+
+public interface IQueryDiscovery
+{
+    IQueryMeta FindQuery(string name);
+    IQueryMeta FindQuery(Type queryType);
+    IEnumerable<IQueryMeta> GetQueries();
+    bool QueryExists(string name);
+    bool QueryExists(Type queryType);
+}
+
+public interface ICommandDiscovery
+{
+    bool CommandExists(string name);
+    bool CommandExists(Type commandType);
+    ICommandMeta FindCommand(string name);
+    ICommandMeta FindCommand(Type commandType);
+    IEnumerable<ICommandMeta> GetCommands();
+}
+
@@ -0,0 +1,13 @@
+using System;
+
+namespace Svrnty.CQRS.Abstractions.Discovery;
+
+public interface IQueryMeta
+{
+    string Name { get; }
+    Type QueryType { get; }
+    Type ServiceType { get; }
+    Type QueryResultType { get; }
+    string Category { get; }
+    string LowerCamelCaseName { get; }
+}
@@ -0,0 +1,46 @@
+using System;
+using System.Reflection;
+using Svrnty.CQRS.Abstractions.Attributes;
+
+namespace Svrnty.CQRS.Abstractions.Discovery;
+
+public class QueryMeta : IQueryMeta
+{
+    public QueryMeta(Type queryType, Type serviceType, Type queryResultType)
+    {
+        QueryType = queryType;
+        ServiceType = serviceType;
+        QueryResultType = queryResultType;
+    }
+
+    protected virtual QueryNameAttribute NameAttribute => QueryType.GetCustomAttribute<QueryNameAttribute>();
+
+    public virtual string Name
+    {
+        get
+        {
+            var name = NameAttribute?.Name ?? QueryType.Name.Replace("Query", string.Empty);
+            return name;
+        }
+    }
+
+    public virtual Type QueryType { get; }
+    public virtual Type ServiceType { get; }
+    public virtual Type QueryResultType { get; }
+    public virtual string Category => "BasicQuery";
+
+    public string LowerCamelCaseName
+    {
+        get
+        {
+            if (string.IsNullOrEmpty(Name))
+                return Name;
+
+            var name = Name;
+            var firstLetter = char.ToLowerInvariant(name[0]);
+            var ret = $"{firstLetter}{name[1..]}";
+            return ret;
+        }
+    }
+}
+