added groups apis

src/Core/Repositories/SqlServer/GroupRepository.cs

@@ -0,0 +1,35 @@
+using System;
+using Bit.Core.Models.Table;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Dapper;
+using System.Data;
+using System.Data.SqlClient;
+using System.Linq;
+
+namespace Bit.Core.Repositories.SqlServer
+{
+    public class GroupRepository : Repository<Group, Guid>, IGroupRepository
+    {
+        public GroupRepository(GlobalSettings globalSettings)
+            : this(globalSettings.SqlServer.ConnectionString)
+        { }
+
+        public GroupRepository(string connectionString)
+            : base(connectionString)
+        { }
+
+        public async Task<ICollection<Group>> GetManyByOrganizationIdAsync(Guid organizationId)
+        {
+            using(var connection = new SqlConnection(ConnectionString))
+            {
+                var results = await connection.QueryAsync<Group>(
+                    $"[{Schema}].[Group_ReadByOrganizationId]",
+                    new { OrganizationId = organizationId },
+                    commandType: CommandType.StoredProcedure);
+
+                return results.ToList();
+            }
+        }
+    }
+}