public static List <School> LoadSchools()
{
Stopwatch watch = Stopwatch.StartNew();
string sql = @"SELECT * FROM dbo.Schools";
List <School> output = AzureDataStore.LoadData <School>(sql);
watch.Stop();
Analytics.TrackEvent(nameof(LoadSchools), new Dictionary <string, string>
{
{ "ElapsedTime", $"{ watch.ElapsedMilliseconds } ms" }
});
return(output);
}
//* Public Methods
/// <summary>
/// Inserts a new user into the database.
/// </summary>
/// <param name="user">
/// The user to insert into db.
/// The Id, Email, Username, Password, and SchoolId must be non-null.
/// </param>
/// <returns>true if the user was saved, false if failed.</returns>
public static bool AddUser(User user)
{
Stopwatch watch = Stopwatch.StartNew();
string sql = @"INSERT INTO dbo.Users (Id, Email, Username, Password, SchoolId)
VALUES (@Id, @Email, @Username, @Password, @SchoolId)";
bool output = AzureDataStore.SaveData(sql, user) == 1;
watch.Stop();
Analytics.TrackEvent(nameof(AddUser), new Dictionary <string, string>
{
{ "ElapsedTime", $"{ watch.ElapsedMilliseconds } ms" }
});
return(output);
}
/// <summary>
/// Returns a list of teachers from a given school.
/// </summary>
/// <param name="schoolId">The id of the school. (Guid)</param>
/// <returns>A list of teachers from a given school.</returns>
public static List <Teacher> LoadAllTeachers(Guid schoolId)
{
Stopwatch watch = Stopwatch.StartNew();
string sql = @"SELECT * FROM dbo.Teachers
WHERE SchoolId = @Id";
List <Teacher> output = AzureDataStore.LoadDataWithGuid <Teacher>(sql, schoolId);
watch.Stop();
Analytics.TrackEvent(nameof(LoadAllTeachers), new Dictionary <string, string>
{
{ "ElapsedTime", $"{ watch.ElapsedMilliseconds } ms" }
});
return(output);
}
//* Public Methods
/// <summary>
/// Inserts a teacher into the db.
/// </summary>
/// <param name="teacher">
/// The teacher to insert into the db.
/// Id, Name, and SchoolId must be non-null.
/// </param>
/// <returns>
/// true if the teacher was inserted, false if not.
/// </returns>
public static bool AddTeacher(Teacher teacher)
{
Stopwatch watch = Stopwatch.StartNew();
string sql = @"INSERT INTO dbo.Teachers (Id, Name, SchoolId)
VALUES (@Id, @Name, @SchoolId)";
bool output = AzureDataStore.SaveData(sql, teacher) == 1;
watch.Stop();
Analytics.TrackEvent(nameof(AddTeacher), new Dictionary <string, string>
{
{ "ElapsedTime", $"{ watch.ElapsedMilliseconds } ms" }
});
return(output);
}
/// <summary>
/// Returns a list of periods that a class has.
/// </summary>
/// <param name="classId">The Id of the class. (Guid)</param>
/// <returns>List of periods that a class has.</returns>
public static List <int> LoadPeriods(Guid classId)
{
Stopwatch watch = Stopwatch.StartNew();
string sql = @"SELECT (Period) FROM dbo.Class_Periods
WHERE ClassId = (@Id)";
List <int> output = AzureDataStore.LoadDataWithGuid <int>(sql, classId);
watch.Stop();
Analytics.TrackEvent(nameof(LoadPeriods), new Dictionary <string, string>
{
{ "ElapsedTime", $"{ watch.ElapsedMilliseconds } ms" }
});
return(output);
}
/// <summary>
/// Removes a user from enrollment in a class.
/// </summary>
/// <param name="class">
/// The class you wich the user to unenroll from.
/// Id, UserID, and Period must be non-null.
/// </param>
/// <returns>The number of rows deleted from the db.</returns>
public static int UnenrollUserFromClass(Class @class)
{
Stopwatch watch = Stopwatch.StartNew();
string sql = @"DELETE FROM dbo.Class_Users
WHERE ClassId = @Id AND UserId = @UserId AND Period = @Period";
int output = AzureDataStore.DeleteData(sql, @class);
watch.Stop();
Analytics.TrackEvent(nameof(UnenrollUserFromClass), new Dictionary <string, string>
{
{ "ElapsedTime", $"{ watch.ElapsedMilliseconds } ms" }
});
return(output);
}
/// <summary>
/// Returns a list of all assignments of a given class and period.
/// </summary>
/// <param name="class">The class you want the assignments from. Must have non-null Id and Period.</param>
/// <returns>List of all assignments of a given class and period.</returns>
public static List <Assignment> LoadAssignments(Class @class)
{
Stopwatch watch = Stopwatch.StartNew();
string sql = @"SELECT * FROM dbo.Assignments
WHERE ClassID = @Id AND Period = @Period";
List <Assignment> output = AzureDataStore.LoadDataWithParam <Assignment, Class>(sql, @class);
watch.Stop();
Analytics.TrackEvent(nameof(LoadAssignments), new Dictionary <string, string>
{
{ "ElapsedTime", $"{ watch.ElapsedMilliseconds } ms" }
});
return(output);
}
/// <summary>
/// Deletes an assignment from the db.
/// </summary>
/// <param name="assignment">The assignment you want to delete. Must have non-null Id.</param>
/// <returns>The number of rows deleted from the db.</returns>
public static int DeleteAssignment(Assignment assignment)
{
Stopwatch watch = Stopwatch.StartNew();
string sql = @"DELETE FROM dbo.Assignments
WHERE Id = @Id";
int output = AzureDataStore.DeleteData(sql, assignment);
watch.Stop();
Analytics.TrackEvent(nameof(DeleteAssignment), new Dictionary <string, string>
{
{ "ElapsedTime", $"{ watch.ElapsedMilliseconds } ms" }
});
return(output);
}
//* Public Methods
public static int AddSchool(School school)
{
Stopwatch watch = Stopwatch.StartNew();
string sql = @"INSERT INTO dbo.Schools (Id, Name, ZipCode)
VALUES (@Id, @Name, @ZipCode)";
int output = AzureDataStore.SaveData(sql, school);
watch.Stop();
Analytics.TrackEvent(nameof(AddSchool), new Dictionary <string, string>
{
{ "ElapsedTime", $"{ watch.ElapsedMilliseconds } ms" }
});
return(output);
}
/// <summary>
/// Updates the user's password hash with the new one/.
/// </summary>
/// <param name="user">
/// User to update in the db. Id and Password must be non-null
/// </param>
/// <returns>true if successful, false if failed.</returns>
public static bool UpdateUser(User user)
{
Stopwatch watch = Stopwatch.StartNew();
string sql = @"UPDATE dbo.Users
SET Password = @Password
WHERE Id = @Id";
bool output = AzureDataStore.SaveData(sql, user) == 1;
watch.Stop();
Analytics.TrackEvent(nameof(UpdateUser), new Dictionary <string, string>
{
{ "ElapsedTime", $"{ watch.ElapsedMilliseconds } ms" }
});
return(output);
}
/// <summary>
/// Returns the name of a school, given it's Id.
/// </summary>
/// <param name="schoolId">The Id of the school. (Guid)</param>
/// <returns>The name of the school. (string)</returns>
public static string GetSchoolName(Guid schoolId)
{
Stopwatch watch = Stopwatch.StartNew();
string sql = @"SELECT Name FROM dbo.Schools
WHERE Id = @Id";
string output = AzureDataStore.LoadDataWithGuid <string>(sql, schoolId)
.FirstOrDefault();
watch.Stop();
Analytics.TrackEvent(nameof(GetSchoolName), new Dictionary <string, string>
{
{ "ElapsedTime", $"{ watch.ElapsedMilliseconds } ms" }
});
return(output);
}
/// <summary>
/// Returns a User object, given it's Id.
/// </summary>
/// <param name="userId">The id of the user. (Guid)</param>
/// <returns>The user.</returns>
public static User LoadUserFromId(Guid userId)
{
Stopwatch watch = Stopwatch.StartNew();
string sql = @"SELECT * FROM dbo.Users
WHERE Id = @Id";
User output = AzureDataStore.LoadDataWithGuid <User>(sql, userId)
.FirstOrDefault();
watch.Stop();
Analytics.TrackEvent(nameof(LoadUserFromId), new Dictionary <string, string>
{
{ "ElapsedTime", $"{ watch.ElapsedMilliseconds } ms" }
});
return(output);
}
/// <summary>
/// Returns a user from the db, given the user's email
/// </summary>
/// <param name="email">The email of the user. (string)</param>
/// <returns>The user.</returns>
public static User LoadUserFromEmail(string email)
{
Stopwatch watch = Stopwatch.StartNew();
string sql = @"SELECT Id, Email, Username, Password, SchoolId FROM dbo.Users
WHERE Email = @Id";
List <User> users = AzureDataStore.LoadDataWithString <User>(sql, email);
User output = users.FirstOrDefault();
watch.Stop();
Analytics.TrackEvent(nameof(LoadUserFromEmail), new Dictionary <string, string>
{
{ "ElapsedTime", $"{ watch.ElapsedMilliseconds } ms" }
});
return(output);
}
/// <summary>
/// Checks whether an email has an account.
/// </summary>
/// <param name="email">The email to check in the db.s</param>
/// <returns>Whether the email has an account. (bool)</returns>
public static bool CheckForUser(string email)
{
Stopwatch watch = Stopwatch.StartNew();
string sql = @"SELECT 1 FROM dbo.Users
WHERE Email = @Id";
List <User> result = AzureDataStore.LoadDataWithString <User>(sql, email);
bool output = result.Count > 0;
watch.Stop();
Analytics.TrackEvent(nameof(CheckForUser), new Dictionary <string, string>
{
{ "ElapsedTime", $"{ watch.ElapsedMilliseconds } ms" }
});
return(output);
}
//* Public Methods
/// <summary>
/// Adds a class to db.Classes, and calls PutInClassPeriod() to add
/// its period to db.Class_Periods.
/// </summary>
/// <param name="@class">The class to add to the db.</param>
public static bool AddClass(Class @class)
{
Stopwatch watch = Stopwatch.StartNew();
string sql = @"
INSERT INTO dbo.Classes (Id, Period, Name, TeacherId, UserId, SchoolId)
VALUES (@Id, @Period, @Name, @TeacherId, @UserId, @SchoolId)";
// Saves the new class to the db
int rowsAffected = AzureDataStore.SaveData(sql, @class);
bool output = PeriodManager.AddPeriod(@class);
watch.Stop();
Analytics.TrackEvent(nameof(AddClass), new Dictionary <string, string>
{
{ "ElapsedTime", $"{ watch.ElapsedMilliseconds } ms" }
});
return(output);
}
/// <summary>
/// Returns a list of classes that a user is enrolled in, given the
/// user's Id.
/// </summary>
/// <param name="userId">The user's Id (Guid)</param>
/// <returns>List of classes that the user is enrolled in.</returns>
public static List <Class> LoadEnrolledClasses(Guid userId)
{
Stopwatch watch = Stopwatch.StartNew();
string sql = @"
SELECT dbo.Classes.Id, dbo.Class_Users.Period, dbo.Classes.Name, dbo.Classes.TeacherId
FROM dbo.Classes
JOIN dbo.Class_Users
ON dbo.Classes.Id = dbo.Class_Users.ClassId
WHERE dbo.Class_Users.UserId = @Id";
List <Class> output = AzureDataStore.LoadDataWithGuid <Class>(sql, userId);
watch.Stop();
Analytics.TrackEvent(nameof(LoadEnrolledClasses), new Dictionary <string, string>
{
{ "ElapsedTime", $"{ watch.ElapsedMilliseconds } ms" }
});
return(output);
}
//* Public Methods
/// <summary>
/// Adds period to db.Class_Periods with it's respective classId
/// </summary>
/// <param name="@class">
/// The class that the period belongs to. Must have Id and Period non-null.
/// </param>
/// <returns>
/// Whether or not adding the period to the db was successful.
/// </returns>
public static bool AddPeriod(Class @class)
{
Stopwatch watch = Stopwatch.StartNew();
string sql = @"
IF NOT EXISTS
(
SELECT 1 FROM dbo.Class_Periods
WHERE ClassId = @Id AND Period = @Period
)
INSERT INTO dbo.Class_Periods (ClassId, Period)
VALUES (@Id, @Period)";
bool output = AzureDataStore.SaveData(sql, @class) == 1;
watch.Stop();
Analytics.TrackEvent(nameof(AddPeriod), new Dictionary <string, string>
{
{ "ElapsedTime", $"{ watch.ElapsedMilliseconds } ms" }
});
return(output);
}
//* Public Methods
/// <summary>
/// Inserts an assignment into the db.
/// </summary>
/// <param name="assignment">
/// The assignment you want to put into the db.
/// Must have a non-null Id, DueDate, Description, UserId, and Period
/// </param>
public static Assignment AddAssignment(Assignment assignment)
{
Stopwatch watch = Stopwatch.StartNew();
assignment.UserId = (Application.Current as App).SignedInUser.Id;
assignment.SetClassId();
assignment.SetPeriod();
string sql = @"
INSERT INTO dbo.Assignments (Id, DueDate, Description, Name, ClassId, UserId, Period)
VALUES (@Id, @DueDate, @Description, @Name, @ClassId, @UserId, @Period)";
int result = AzureDataStore.SaveData(sql, assignment);
Assignment output = result == 1 ? assignment : null;
watch.Stop();
Analytics.TrackEvent(nameof(AddAssignment), new Dictionary <string, string>
{
{ "ElapsedTime", $"{ watch.ElapsedMilliseconds } ms" }
});
return(output);
}