Merge pull request #18 from Team-Kaleidoscope/dev v0.1

First stage: Complete. Awaiting further progress...

1 files changed, 53 insertions, 0 deletions

diff --git a/src/DevHive.Data/Repositories/LanguageRepository.cs b/src/DevHive.Data/Repositories/LanguageRepository.cs
new file mode 100644
index 0000000..31d0b86
--- /dev/null
+++ b/src/DevHive.Data/Repositories/LanguageRepository.cs
@@ -0,0 +1,53 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using DevHive.Data.Interfaces.Repositories;
+using DevHive.Data.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace DevHive.Data.Repositories
+{
+	public class LanguageRepository : BaseRepository<Language>, ILanguageRepository
+	{
+		private readonly DevHiveContext _context;
+
+		public LanguageRepository(DevHiveContext context)
+			: base(context)
+		{
+			this._context = context;
+		}
+
+		#region Read
+		public async Task<Language> GetByNameAsync(string languageName)
+		{
+			return await this._context.Languages
+				.FirstOrDefaultAsync(x => x.Name == languageName);
+		}
+
+		/// <summary>
+        /// Returns all technologies that exist in the database
+        /// </summary>
+		public HashSet<Language> GetLanguages()
+		{
+			return this._context.Languages.ToHashSet();
+		}
+		#endregion
+
+		#region Validations
+		public async Task<bool> DoesLanguageNameExistAsync(string languageName)
+		{
+			return await this._context.Languages
+				.AsNoTracking()
+				.AnyAsync(r => r.Name == languageName);
+		}
+
+		public async Task<bool> DoesLanguageExistAsync(Guid id)
+		{
+			return await this._context.Languages
+				.AsNoTracking()
+				.AnyAsync(r => r.Id == id);
+		}
+		#endregion
+	}
+}