Cleanup xAiService for Reconstruction ...

2026-08-15 17:23:24 +03:30
parent e33479f9b6
commit 4283c9688e
16 changed files with 88 additions and 652 deletions
@@ -0,0 +1,86 @@
+using System;
+using xCommons.Extensions;
+
+namespace xAiService.Helpers
+{
+    public static class VectorHelper
+    {
+        /// <summary>
+        /// Normalize a Vector ...
+        /// </summary>
+        /// <param name="vector"></param>
+        public static void Normalize(float[] vector)
+        {
+            //
+            // Validate ...
+            if (vector.IsNull() || !vector.HasChild())
+            {
+                return;
+            }
+
+            //
+            float sum = 0f;
+            foreach (var value in vector)
+            {
+                sum += value * value;
+            }
+
+            //
+            float norm = MathF.Sqrt(sum);
+            if (norm <= 1e-9f)
+            {
+                return;
+            }
+
+            //
+            for (int i = 0; i < vector.Length; i++)
+            {
+                vector[i] /= norm;
+            }
+        }
+
+        /// <summary>
+        /// Similarity Check ...
+        /// </summary>
+        /// <param name="a"></param>
+        /// <param name="b"></param>
+        /// <returns></returns>
+        public static float CosineSimilarity(float[] a, float[] b)
+        {
+            //
+            if (a.IsNull() || b.IsNull())
+            {
+                return 0f;
+            }
+
+            //
+            if (a.Length != b.Length)
+            {
+                return 0f;
+            }
+
+            //
+            float dot = 0f;
+            float normA = 0f;
+            float normB = 0f;
+            for (int i = 0; i < a.Length; i++)
+            {
+                //
+                dot += a[i] * b[i];
+                normA += a[i] * a[i];
+                normB += b[i] * b[i];
+            }
+
+            //
+            float denominator = MathF.Sqrt(normA) * MathF.Sqrt(normB);
+            if (denominator <= 1e-9f)
+            {
+                return 0f;
+            }
+
+            //
+            var result = dot / denominator;
+            return result;
+        }
+    }
+}
@@ -1,83 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text.Json;
-using System.Text.Json.Serialization;
-using xAiService.Models.Dtos;
-using xCommons.Extensions;
-
-namespace xAiService.Helpers
-{
-    public static class XPromptHelper
-    {
-        /// <summary>
-        /// Holds Initialized Prompts ...
-        /// </summary>
-        private static XPromptsDto prompts;
-
-        /// <summary>
-        /// Initialize Prompt Helper ...
-        /// </summary>
-        /// <param name="path"></param>
-        /// <exception cref="Exception"></exception>
-        /// <exception cref="InvalidDataException"></exception>
-        public static void Initialize(string path = "prompts.json")
-        {
-            //
-            // Create full Path and Check File Exists ...
-            var fullPath = Path.Combine(AppContext.BaseDirectory, path);
-            if (!File.Exists(fullPath))
-            {
-                throw new Exception($"Prompts Resources not found: {fullPath}");
-            }
-
-            //
-            // Read File as Json Text ...
-            var json = File.ReadAllText(fullPath);
-            var options = new JsonSerializerOptions
-            {
-                AllowTrailingCommas = true,
-                PropertyNameCaseInsensitive = true,
-                ReadCommentHandling = JsonCommentHandling.Skip,
-                Converters =
-                {
-                    new JsonStringEnumConverter(
-                        namingPolicy: null,
-                        allowIntegerValues: false
-                    )
-                }
-            };
-
-            //
-            // Serialized Root Object ...
-            var root = JsonSerializer.Deserialize<XPromptsDto>(json, options);
-            if (!root.IsNullOrDefault())
-            {
-                prompts = new XPromptsDto { Prompts = root.Prompts };
-            }
-        }
-
-        /// <summary>
-        /// Retrieve all Allowed Prompts as Enumerable ...
-        /// </summary>
-        /// <returns></returns>
-        public static IEnumerable<XPromptDto> GetPrompts()
-        {
-            return prompts!.Prompts.AsEnumerable();
-        }
-
-        /// <summary>
-        /// Get Specified Prompt ...
-        /// </summary>
-        /// <param name="name"></param>
-        /// <returns></returns>
-        /// <exception cref="Exception"></exception>
-        public static XPromptDto GetPrompt(string name)
-        {
-            //
-            return GetPrompts()
-                .FirstOrDefault(p => p.Name == name);
-        }
-    }
-}