public static KalymnosDb Load()
{
if (!File.Exists(DbFile))
{
return(DefaultDb());
}
KalymnosDb db = null;
try
{
using (var stream = File.Open(DbFile, FileMode.Open))
{
using (var archive = new GZipStream(stream, CompressionMode.Decompress))
{
using (var memory = new MemoryStream())
{
archive.CopyTo(memory);
db = JsonConvert.DeserializeObject <KalymnosDb>(Encoding.UTF8.GetString(memory.GetBuffer()));
}
}
}
}
catch (Exception ex)
{
MessageBox.Show($"Exception: {ex.Message}\n\nUsing new default DB instead");
db = DefaultDb();
}
return(db);
}
public static KalymnosDb DefaultDb()
{
var db = new KalymnosDb {
Revission = 1
};
var projects = new List <Project>
{
new Project
{
Name = "Android App",
Prefix = "ANDR",
LastIssueNumber = 703,
Issues =
{
new Issue {
IssueId = 42, Title = "Make a smooth navigation between pages", Details = "Read about animation", Starred = true
},
new Issue {
IssueId = 703, Title = "Add About page", Status = IssueStatus.Closed
},
new Issue
{
IssueId = 225,
Important = true,
Title = "Hangs on saving to file",
Details = "Sometimes writing to the file keeps up to 30 seconds",
Comments = { new Comment {
Text = "I could repeat that on emulator an"
} },
Votes ={ new Vote {
Name = "MR", Email = "*****@*****.**", When = DateTime.UtcNow
} }
}
}
},
new Project
{
Name = "iPhone App",
Prefix = "IOS",
LastIssueNumber = 0
}
};
projects.ForEach(p =>
{
foreach (var issue in p.Issues)
{
issue.Project = p;
}
db.Projects.Add(p);
});
return(db);
}
public static void Save(KalymnosDb db)
{
var json = JsonConvert.SerializeObject(db,
Formatting.Indented,
new JsonSerializerSettings {
PreserveReferencesHandling = PreserveReferencesHandling.All
});
if (!Directory.Exists(DbFolder))
{
Directory.CreateDirectory(DbFolder);
}
if (File.Exists(DbFile))
{
//------------------------------------
// Make a permanent backup once a day:
//------------------------------------
var backupFolder = Path.Combine(DbFolder, "backups");
if (!Directory.Exists((backupFolder)))
{
Directory.CreateDirectory(backupFolder);
}
//-----------------------------------------------
// If backup file does not exists yet, create it:
//-----------------------------------------------
var backupFile = Path.Combine(backupFolder, $"kalymnos-{DateTime.Now:yyyy-MM-dd}.bt");
if (!File.Exists(backupFile))
{
File.Copy(DbFile, backupFile, false);
}
if (File.Exists(DbBackupFile))
{
File.Delete(DbBackupFile);
}
File.Move(DbFile, DbBackupFile);
}
using (var stream = File.Open(DbFile, FileMode.Create))
{
using (var archive = new GZipStream(stream, CompressionLevel.Optimal))
{
var buf = Encoding.UTF8.GetBytes(json);
archive.Write(buf, 0, buf.Length);
}
}
}