Add Qdrant.Grpc namespace to protos

This commit adds Qdrant.Grpc csharp namespace to downloaded protos so that all generated
grpc classes are emitted to the Qdrant.Grpc namespace, instead of Qdrant.

build/Main.cs

@@ -75,6 +75,31 @@
 			if (!reader.Entry.IsDirectory && protoFileRegex.IsMatch(reader.Entry.Key))
 				reader.WriteEntryToDirectory(protosTagDir);
 		}
+
+		// add csharp namespace to proto files if they don't contain one
+		foreach (var file in Directory.EnumerateFiles(protosTagDir))
+		{
+			var contents = File.ReadAllLines(file).ToList();
+			if (contents.Any(line => line.Contains("option csharp_namespace")))
+				continue;
+
+			var index = 0;
+			for (var i = 0; i < contents.Count; i++)
+			{
+				if (contents[i].StartsWith("syntax") ||
+				    contents[i].StartsWith("import") ||
+				    contents[i].StartsWith("package") ||
+				    contents[i].StartsWith("//") ||
+				    string.IsNullOrWhiteSpace(contents[i]))
+					continue;
+
+				index = i;
+				break;
+			}
+
+			contents.Insert(index,$"option csharp_namespace = \"{project}\";");
+			File.WriteAllLines(file, contents);
+		}
 	});
 
 	Target(Build, DependsOn(DownloadProtos, CleanBuildOutput), () =>

src/Qdrant.Grpc/PointId.cs

@@ -1,4 +1,4 @@
-namespace Qdrant;
+namespace Qdrant.Grpc;
 
 /// <summary>
 /// The id of a point

src/Qdrant.Grpc/QdrantGrpcClient.cs

@@ -1,5 +1,4 @@
 using Grpc.Core;
-using Qdrant;
 
 namespace Qdrant.Grpc;
 

src/Qdrant.Grpc/Value.cs

@@ -1,4 +1,4 @@
-namespace Qdrant;
+namespace Qdrant.Grpc;
 
 public partial class Value
 {

src/Qdrant.Grpc/Vector.cs

@@ -1,4 +1,4 @@
-namespace Qdrant;
+namespace Qdrant.Grpc;
 
 /// <summary>
 /// A vector

src/Qdrant.Grpc/WriteOrdering.cs

@@ -1,4 +1,4 @@
-namespace Qdrant;
+namespace Qdrant.Grpc;
 
 /// <summary>
 /// Write ordering can be specified for any write request to serialize it through a single “leader” node, which