Move SORTABLE to the end of the build command (#176)

* fix Issue

* delete comments & cover TEXT also

Author: shacharPash

src/NRedisStack/Search/Schema.cs

@@ -1,4 +1,5 @@
-using static NRedisStack.Search.Schema.VectorField;
+using NRedisStack.Search.Literals;
+using static NRedisStack.Search.Schema.VectorField;
 
 namespace NRedisStack.Search
 {
@@ -84,13 +85,13 @@ public TextField(string name, double weight = 1.0, bool noStem = false,
 
             internal override void AddFieldTypeArgs(List<object> args)
             {
-                if (Sortable) args.Add("SORTABLE");
-                if (Unf) args.Add("UNF");
                 if (NoStem) args.Add("NOSTEM");
                 if (NoIndex) args.Add("NOINDEX");
                 AddPhonetic(args);
                 AddWeight(args);
                 if (WithSuffixTrie) args.Add("WITHSUFFIXTRIE");
+                if (Sortable) args.Add(AttributeOptions.SORTABLE);
+                if (Unf) args.Add("UNF");
             }
 
             private void AddWeight(List<object> args)
@@ -141,8 +142,6 @@ internal TagField(string name, bool sortable = false, bool unf = false,
 
             internal override void AddFieldTypeArgs(List<object> args)
             {
-                if (Sortable) args.Add("SORTABLE");
-                if (Unf) args.Add("UNF");
                 if (NoIndex) args.Add("NOINDEX");
                 if (WithSuffixTrie) args.Add("WITHSUFFIXTRIE");
                 if (Separator != ",")
@@ -152,6 +151,8 @@ internal override void AddFieldTypeArgs(List<object> args)
                     args.Add(Separator);
                 }
                 if (CaseSensitive) args.Add("CASESENSITIVE");
+                if (Sortable) args.Add(AttributeOptions.SORTABLE);
+                if (Unf) args.Add("UNF");
             }
         }
 
@@ -171,8 +172,8 @@ internal GeoField(string name, bool sortable = false, bool noIndex = false)
 
             internal override void AddFieldTypeArgs(List<object> args)
             {
-                if (Sortable) args.Add("SORTABLE");
                 if (NoIndex) args.Add("NOINDEX");
+                if (Sortable) args.Add(AttributeOptions.SORTABLE);
             }
 
         }
@@ -193,8 +194,8 @@ internal NumericField(string name, bool sortable = false, bool noIndex = false)
 
             internal override void AddFieldTypeArgs(List<object> args)
             {
-                if (Sortable) args.Add("SORTABLE");
                 if (NoIndex) args.Add("NOINDEX");
+                if (Sortable) args.Add(AttributeOptions.SORTABLE);
             }
 
         }

tests/NRedisStack.Tests/Search/SearchTests.cs

@@ -1962,30 +1962,30 @@ public void TestFieldsCommandBuilder()
             "SCHEMA",
             "txt",
             "TEXT",
-            "SORTABLE",
-            "UNF",
             "NOSTEM",
             "NOINDEX",
             "PHONETIC",
             "dm:en",
             "WITHSUFFIXTRIE",
+            "SORTABLE",
+            "UNF",
             "num",
             "NUMERIC",
-            "SORTABLE",
             "NOINDEX",
+            "SORTABLE",
             "loc",
             "GEO",
-            "SORTABLE",
             "NOINDEX",
+            "SORTABLE",
             "tag",
             "TAG",
-            "SORTABLE",
-            "UNF",
             "NOINDEX",
             "WITHSUFFIXTRIE",
             "SEPARATOR",
             ";",
             "CASESENSITIVE",
+            "SORTABLE",
+            "UNF",
             "vec",
             "VECTOR",
             "FLAT",
@@ -2752,4 +2752,23 @@ public void TestProfileCommandBuilder()
         Assert.Equal(new object[] { "index", "SEARCH", "LIMITED", "QUERY", "*" }, search.Args);
         Assert.Equal(new object[] { "index", "AGGREGATE", "LIMITED", "QUERY", "*" }, aggregate.Args);
     }
+
+    [Fact]
+    public void Issue175()
+    {
+        ConnectionMultiplexer redis = ConnectionMultiplexer.Connect("localhost:6379");
+        IDatabase db = redis.GetDatabase();
+        db.Execute("FLUSHALL");
+
+        SearchCommands ft = db.FT();
+
+        var sortable = true;
+        var ftParams = new FTCreateParams()
+                .On(IndexDataType.JSON)
+                .Prefix("doc:");
+        var schema = new Schema().AddTagField("tag", sortable, false, false, "|")
+                                 .AddTextField("text", 1, sortable);
+
+        Assert.True(ft.Create("myIndex", ftParams, schema));
+    }
 }