docs: #302 a utitlity function (_AreSimilar) copied from my old codes

RMuseum/RMuseum.xml

@@ -12687,6 +12687,9 @@
             <summary>
             IGanjoorService implementation
             </summary>
+            <summary>
+            IGanjoorService implementation
+            </summary>
         </member>
         <member name="M:RMuseum.Services.Implementation.GanjoorService.SwitchCoupletBookmark(System.Guid,System.Int32,System.Int32)">
             <summary>

RMuseum/Services/Implementation/GanjoorService-Partials/GanjoorService-DuplicateFinder.cs

@@ -0,0 +1,58 @@
+using Microsoft.EntityFrameworkCore;
+using RMuseum.DbContext;
+using RMuseum.Models.Ganjoor;
+using RMuseum.Models.Ganjoor.ViewModels;
+using RMuseum.Services.Implementation.ImportedFromDesktopGanjoor;
+using RSecurityBackend.Models.Generic;
+using RSecurityBackend.Models.Generic.Db;
+using RSecurityBackend.Services.Implementation;
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Globalization;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace RMuseum.Services.Implementation
+{
+    /// <summary>
+    /// IGanjoorService implementation
+    /// </summary>
+    public partial class GanjoorService : IGanjoorService
+    {
+        private async Task<RServiceResult<bool>> _FindCateryPoemsDuplicates(RMuseumDbContext context, int srcCatId, int destCatId)
+        {
+            try
+            {
+                var poems = await context.GanjoorPoems.AsNoTracking().Where(p => p.CatId == srcCatId).ToListAsync();
+
+                return new RServiceResult<bool>(true);
+            }
+            catch (Exception exp)
+            {
+                return new RServiceResult<bool>(false, exp.ToString());
+            }
+        }
+
+        private static bool _AreSimilar(string str1, string str2, bool reverse)
+        {
+            if (string.IsNullOrEmpty(str1) || string.IsNullOrEmpty(str2))
+                return false;
+
+            string[] words2 = str2.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
+
+            int total = words2.Length;
+            int found = 0;
+            for (int i = 0; i < total; i++)
+            {
+                if (str1.IndexOf(words2[i]) != -1)
+                    found++;
+            }
+
+            if (!reverse)
+                return (float)found / total > 0.7f;
+
+            return (float)found / total > 0.7f && _AreSimilar(str2, str1, false);
+        }
+    }
+}