public static void Clear()
{
using (var db = new BigFileDbContext())
{
db.Database.EnsureDeleted();
db.Database.EnsureCreated();
}
}
public static int Delete(string filePath)
{
using (var db = new BigFileDbContext())
{
var existing = db.BigFiles.Where(it => it.FilePath == filePath);
db.BigFiles.RemoveRange(existing);
return(db.SaveChanges());
}
}
public static Message Add(Message message)
{
using (var db = new BigFileDbContext())
{
db.Messages.Add(message);
db.SaveChanges();
return(message);
}
}
public static BigFile Add(BigFile bigFile)
{
using (var db = new BigFileDbContext())
{
db.BigFiles.Add(bigFile);
db.SaveChanges();
return(bigFile);
}
}
public static int Delete(IEnumerable <Message> messages)
{
using (var db = new BigFileDbContext())
{
db.Messages.AttachRange(messages);
foreach (var item in db.ChangeTracker.Entries())
{
item.State = Microsoft.EntityFrameworkCore.EntityState.Deleted;
}
return(db.SaveChanges());
}
}
public static int Delete(BigFile bifFile)
{
using (var db = new BigFileDbContext())
{
db.AttachRange(bifFile);
foreach (var item in db.ChangeTracker.Entries())
{
item.State = Microsoft.EntityFrameworkCore.EntityState.Deleted;
}
return(db.SaveChanges());
}
}
public static IEnumerable <BigFile> Search(string fileNameLike, long?greaterThanfileSize, int pageIndex = 0, int pageSize = 100)
{
using (var db = new BigFileDbContext())
{
var queryable = db.BigFiles as IQueryable <BigFile>;
if (!string.IsNullOrWhiteSpace(fileNameLike))
{
queryable = queryable.Where(it => it.FileName.Contains(fileNameLike));
}
if (greaterThanfileSize != null)
{
queryable = queryable.Where(it => it.Length >= greaterThanfileSize);
}
queryable = queryable.Skip(pageIndex * pageSize).Take(pageSize);
return(queryable.ToList());
}
}
public static IEnumerable <Message> Search(string exceptionMessageLike, string fileOrFolderNameLike, MessageType?messageType, int pageIndex = 0, int pageSize = 100)
{
using (var db = new BigFileDbContext())
{
var queryable = db.Messages as IQueryable <Message>;
if (!string.IsNullOrWhiteSpace(exceptionMessageLike))
{
queryable = queryable.Where(it => it.ExceptionMessage.Contains(exceptionMessageLike));
}
if (!string.IsNullOrWhiteSpace(fileOrFolderNameLike))
{
queryable = queryable.Where(it => it.FilePath.Contains(fileOrFolderNameLike) || it.FolderPath.Contains(fileOrFolderNameLike));
}
if (messageType != null)
{
queryable = queryable.Where(it => it.MessageType == messageType);
}
queryable = queryable.Skip(pageIndex * pageSize).Take(pageSize);
return(queryable.ToList());
}
}