[longomatch] Add a file based DataBase

[Andoni Morales Alastruey <amorales src gnome org>]

commit 1cf54eda4431bc047c6dd655729e3158a463dcb3
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Sat Dec 10 01:40:29 2011 +0100

    Add a file based DataBase

 LongoMatch.Services/Services/FileDB.cs |   92 ++++++++++++++++++++++++++++++++
 1 files changed, 92 insertions(+), 0 deletions(-)
---
diff --git a/LongoMatch.Services/Services/FileDB.cs b/LongoMatch.Services/Services/FileDB.cs
new file mode 100644
index 0000000..0b1a25c
--- /dev/null
+++ b/LongoMatch.Services/Services/FileDB.cs
@@ -0,0 +1,92 @@
+// 
+//  Copyright (C) 2011 Andoni Morales Alastruey
+// 
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation; either version 2 of the License, or
+//  (at your option) any later version.
+// 
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+//  GNU General Public License for more details.
+//  
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+// 
+using System;
+using System.Collections.Generic;
+using System.IO;
+
+using LongoMatch.Common;
+using LongoMatch.Interfaces;
+using LongoMatch.Store;
+
+namespace LongoMatch.Services
+{
+	public class FileDB: IDatabase
+	{
+		const string DESC = "desc";
+		const string PROJECTS = "projects";
+		
+		string desc_path;
+		string project_path;
+		
+		public FileDB (string filename)
+		{
+			desc_path = Path.Combine(filename, DESC);
+			project_path = Path.Combine(filename, PROJECTS);
+			
+			if (!Directory.Exists(desc_path))
+				Directory.CreateDirectory(desc_path);
+			if (!Directory.Exists(project_path))
+				Directory.CreateDirectory(project_path);
+			
+		}
+		
+		public List<ProjectDescription> GetAllProjects() {
+			List<ProjectDescription> list = new List<ProjectDescription>();
+			foreach (string path in Directory.GetFiles(desc_path)) {
+				if (File.Exists(Path.Combine(project_path, Path.GetFileName(path))))
+					list.Add(SerializableObject.Load<ProjectDescription>(path));
+			}
+			return list;
+		}
+
+		public Project GetProject(Guid id) {
+			string path = Path.Combine(project_path, id.ToString());
+			if (File.Exists(path))
+				return SerializableObject.Load<Project>(path);
+			return null;
+		}
+		
+		public void AddProject(Project project){
+			string path = Path.Combine(project_path, project.UUID.ToString());
+			if (File.Exists(path))
+				File.Delete(path);
+			SerializableObject.Save(project, path);
+			SerializableObject.Save(project.Description, Path.Combine(desc_path, project.UUID.ToString()));
+		}
+		
+		public void RemoveProject(Guid id) {
+			string path = Path.Combine(project_path, id.ToString());
+			if (File.Exists(path))
+				File.Delete(path);
+				
+			path = Path.Combine(desc_path, id.ToString());
+			if (File.Exists(path))
+				File.Delete(path);
+		}
+		
+		public void UpdateProject(Project project) {
+			AddProject(project);
+		}
+		
+		public bool Exists(Project project) {
+			return File.Exists(Path.Combine(desc_path, project.UUID.ToString())) &&
+				File.Exists(Path.Combine(project_path, project.UUID.ToString()));
+		}
+	}
+}
+