private static void InsertComments(SlideInfoDbContext context)
{
if (context.Comments.Count() > 50)
{
return;
}
var userCount = context.Users.Count();
var slidesCount = context.Slides.Count();
var random = new Random();
for (var i = 0; i < 50; i++)
{
var usersToSkip = random.Next(0, userCount);
var randomAppUser = context.Users.OrderBy(r => Guid.NewGuid()).Skip(usersToSkip).Take(1)
.FirstOrDefault();
var slidesToSkip = random.Next(0, slidesCount);
var randomSlide = context.Slides.OrderBy(r => Guid.NewGuid()).Skip(slidesToSkip).Take(1)
.FirstOrDefault();
var comment = new Comment
{
Slide = randomSlide,
SlideId = randomSlide.Id,
AppUser = randomAppUser,
AppUserId = randomAppUser.Id,
Date = DateTime.Now.AddMinutes(random.Next(0, i)),
Text = $"Example comment {i}"
};
context.Comments.Add(comment);
}
context.SaveChanges();
}
private static void InsertUsers(SlideInfoDbContext context)
{
if (context.AppUsers.Any())
{
return;
}
var user1 = new AppUser()
{
FirstMidName = "Marcin",
LastName = "Kowalski",
Email = "*****@*****.**",
UserName = "******",
LastActive = DateTime.Now,
EmailConfirmed = true,
};
var user2 = new AppUser()
{
FirstMidName = "Jan",
LastName = "Kowalczuk",
Email = "*****@*****.**",
UserName = "******",
LastActive = DateTime.Now,
EmailConfirmed = true,
};
context.AppUsers.Add(user1);
context.AppUsers.Add(user2);
context.SaveChanges();
}
private static void InsertSlides(SlideInfoDbContext context)
{
if (context.Slides.Any())
{
return;
}
var dirs = FileFilter.Filter(AppDirectories.SlideStorage, FileFilter.OpenSlideExtensions);
foreach (var path in dirs)
{
var osr = new OpenSlide(path);
var slide = new Slide(osr);
context.Slides.Add(slide);
context.SaveChanges();
var properties = osr.ReadProperties();
foreach (var slideProp in properties)
{
var property = new Property(slide.Id, slideProp.Key, slideProp.Value);
context.Properties.Add(property);
}
}
context.SaveChanges();
}
public static void UpdateSlides(SlideInfoDbContext context)
{
context.Database.EnsureCreated();
var dirs = FileFilter.Filter(AppDirectories.SlideStorage, FileFilter.OpenSlideExtensions);
foreach (var path in dirs)
{
var osr = new OpenSlide(path);
var newSlide = new Slide(osr);
var existingSlide = context.Slides.FirstOrDefault(s => s.FilePath == path);
if (existingSlide != null)
{
newSlide.Id = existingSlide.Id;
context.Entry(existingSlide).CurrentValues.SetValues(newSlide);
}
else
{
context.Add(newSlide);
var properties = osr.ReadProperties();
foreach (var slideProp in properties)
{
var property = new Property(newSlide.Id, slideProp.Key, slideProp.Value);
context.Add(property);
}
}
}
context.SaveChanges();
}
private static void InsertMessages(SlideInfoDbContext context)
{
if (context.Messages.Any())
{
return;
}
for (var i = 0; i < 31; ++i)
{
var toId = context.Users.OrderBy(u => Guid.NewGuid()).First().Id;
var fromId = context.Users.First(u => u.Id != toId).Id;
var subject = Conversation.GenerateConversationSubject(fromId, toId);
var message = new Message
{
Content = "Very important content of " + i + " very important message to display on user chat",
FromId = fromId,
ToId = toId,
Subject = subject,
DateSent = DateTime.Now.Subtract(TimeSpan.FromMinutes(0.5 * i))
};
context.Messages.Add(message);
if (context.Conversations.Find(subject) == null)
{
context.Conversations.Add(new Conversation {
Subject = subject
});
}
}
context.SaveChanges();
}
public static void Initialize(SlideInfoDbContext context)
{
context.Database.EnsureCreated();
InsertSlides(context);
InsertUsers(context);
InsertComments(context);
InsertMessages(context);
context.SaveChanges();
}
