public Timesheet SaveTimesheet(Timesheet model)
{
var timesheet = PlutoContext.Timesheets.Add(model);
PlutoContext.SaveChanges();
return(timesheet);
}
public void DeleteAttendanceEntity(AttendanceEntity attendanceEntityToDelete)
{
using (var db = new PlutoContext())
{
db.Entry(attendanceEntityToDelete).State = EntityState.Deleted;
db.SaveChanges();
}
}
public void UpdateTermEntity(TermEntity termEntityToUpdate)
{
using (var db = new PlutoContext())
{
db.Entry(termEntityToUpdate).State = EntityState.Modified;
db.SaveChanges();
}
}
public void DeleteTermEntity(TermEntity termEntityToDelete)
{
using (var db = new PlutoContext())
{
db.Entry(termEntityToDelete).State = EntityState.Deleted;
db.SaveChanges();
}
}
public void DeleteRegisteredSubjectEntity(RegisteredSubjectEntity registeredSubjectEntityToDelete)
{
using (var db = new PlutoContext())
{
db.Entry(registeredSubjectEntityToDelete).State = EntityState.Deleted;
db.SaveChanges();
}
}
public void DeleteSubjectEntity(SubjectEntity subjectEntityToDelete)
{
using (var db = new PlutoContext())
{
db.Entry(subjectEntityToDelete).State = EntityState.Deleted;
db.SaveChanges();
}
}
public void UpdateSubjectEntity(SubjectEntity subjectEntityToUpdate)
{
using (var db = new PlutoContext())
{
db.Entry(subjectEntityToUpdate).State = EntityState.Modified;
db.SaveChanges();
}
}
public int AddAttendanceEntity(AttendanceEntity attendanceEntity)
{
using (var db = new PlutoContext())
{
db.Attendances.Add(attendanceEntity);
db.SaveChanges();
}
return(attendanceEntity.Id);
}
public int AddSubjectEntity(SubjectEntity subjectEntity)
{
using (var db = new PlutoContext())
{
db.Subjects.Add(subjectEntity);
db.SaveChanges();
}
return(subjectEntity.Id);
}
public int AddTermEntity(TermEntity termEntity)
{
using (var db = new PlutoContext())
{
db.Terms.Add(termEntity);
db.SaveChanges();
}
return(termEntity.Id);
}
public int AddRegisteredSubjectEntity(RegisteredSubjectEntity registeredSubjectEntity)
{
using (var db = new PlutoContext())
{
db.RegisteredSubjects.Add(registeredSubjectEntity);
db.SaveChanges();
}
return(registeredSubjectEntity.Id);
}
public static void RemoveCourse()
{
using (var context = new PlutoContext())
{
var course = context.Courses.Find(6);
context.Courses.Remove(course);
context.SaveChanges();
}
}
private static void WithCascadeDelete()
{
//courses and tags
var context = new PlutoContext();
var course = context.Courses.Find(6); //Single(c => c.Id == 6)
context.Courses.Remove(course);
context.SaveChanges();
}
public static void UpdateCourse()
{
using (var context = new PlutoContext())
{
var course = context.Courses.Find(4);
course.Name = "New Name";
course.AuthorId = 2;
context.SaveChanges();
}
}
public static void RemoveAuthor()
{
using (var context = new PlutoContext())
{
var author = context.Authors.Include(a => a.Courses).Single(a => a.Id == 2);
context.Courses.RemoveRange(author.Courses);
context.Authors.Remove(author);
context.SaveChanges();
}
}
private void AddCourse_Click(object sender, RoutedEventArgs e)
{
_context.Courses.Add(new Course
{
AuthorId = 1,
Name = "New Course at " + DateTime.Now.ToShortDateString(),
Description = "Description",
FullPrice = 49,
Level = 1
});
_context.SaveChanges();
}
static void Main()
{
PlutoContext context = new PlutoContext(new DbContextOptions <PlutoContext>());
context.Courses.Add(new Course("Math", "Basic Math", CourseLevel.Beginner, 150, new Author()));
context.SaveChanges();
Console.WriteLine("Hello World!");
var course = context.Courses.Find(1);
Console.ReadKey();
}
private static void WithoutCascadeDelete()
{
//authors and courses
var context = new PlutoContext();
//Eager load para sus cursos
var author = context.Authors.Include(a => a.Courses).Single(a => a.Id == 2);
context.Courses.RemoveRange(author.Courses);
context.Authors.Remove(author);
context.SaveChanges();
}
public void RemoveData()
{
var existingTags = context.Tags.ToList();
var existingAuthors = context.Authors.ToList();
var existingCourses = context.Courses.ToList();
foreach (var course in existingCourses)
{
context.Courses.Remove(course);
}
foreach (var tag in existingTags)
{
context.Tags.Remove(tag);
}
foreach (var author in existingAuthors)
{
context.Authors.Remove(author);
}
context.SaveChanges();
}
static void Main(string[] args)
{
var context = new PlutoContext();
var course = new Course
{
Name = "new course",
Description = "new descr",
FullPrice = 19.95f,
Level = 1,
AuthorId = 1, //using FK properties, better for web apps
//Author = context.Authors.Single(a => a.Id == 1) //Using an existing object in context
};
context.Courses.Add(course);
context.SaveChanges();
}
public static void AddCourseWithAuthorId()
{
using (var context = new PlutoContext())
{
var courseWithAuthorId = new Course
{
Name = "Course with author id",
Description = "Descrpition",
FullPrice = 19.95f,
Level = Course.CourseLevel.Beginner,
AuthorId = 1
};
context.Add(courseWithAuthorId);
context.SaveChanges();
}
}
public static void AddCourseWithAuthorObject()
{
using (var context = new PlutoContext())
{
var author = context.Authors.Single(q => q.Id == 1);
var courseWithAuthorObject = new Course
{
Name = "Course with author object",
Description = "Descrpition",
FullPrice = 19.95f,
Level = Course.CourseLevel.Beginner,
Author = author
};
context.Add(courseWithAuthorObject);
context.SaveChanges();
}
}
static void Main(string[] args)
{
var context = new PlutoContext();
var course = context.Courses.Find(4, 1, 2); //Single(c => c.Id == 4)
course.Name = "New name";
course.AuthorId = 2;
//Change tracker
var entries = context.ChangeTracker.Entries();
foreach (var entry in entries)
{
entry.Reload();
Console.WriteLine(entry.State);
}
context.SaveChanges();
}
public static void AddCourseWithAttachedAuthor()
{
using (var context = new PlutoContext())
{
var newAuthor = new Author()
{
Id = 1, Name = "Mosh Hamedani"
};
context.Authors.Attach(newAuthor);
var courseWithAttachedAuthor = new Course
{
Name = "Course With Attached Author",
Description = "Descrpition",
FullPrice = 19.95f,
Level = Course.CourseLevel.Beginner,
Author = newAuthor
};
context.Courses.Add(courseWithAttachedAuthor);
context.SaveChanges();
}
}
public virtual void Save()
{
_context.SaveChanges();
}
public int Complete()
{
return(_context.SaveChanges());
}
protected void Save() => _context.SaveChanges();
