public ChatController(MyPlannerContext context)
{
_context = context;
//UsersController.logged_user = _context.User.FirstOrDefault(m => m.username == "bianca_alexandra");
conv_model = new ConversationViewModel();
var options = new PusherOptions
{
Cluster = "eu",
Encrypted = true
};
pusher = new Pusher(
"989960",
"8aca8df20d212d21054b",
"0f381668084a9cffe7f5",
options);
}
public static void Initialize(IServiceProvider serviceProvider)
{
using (var context = new MyPlannerContext(
serviceProvider.GetRequiredService <
DbContextOptions <MyPlannerContext> >()))
{
// Look for any movies.
if (context.MyTask.Any())
{
return; // DB has been seeded
}
context.MyTask.AddRange(
new MyTask
{
Description = "Add some test data",
Due_Date = DateTime.Now,
Project = "MVC Project",
Owner = "me",
Asignee = "also me",
Status = Models.MyTask.StatusType.InProgress,
Review = "Very well"
},
new MyTask
{
Description = "Add some more test data",
Due_Date = DateTime.Now,
Project = "MVC Project",
Owner = "not me this time",
Asignee = "still not me",
Status = Models.MyTask.StatusType.InProgress
}
);
context.SaveChanges();
}
}
public UsersController(MyPlannerContext context)
{
_context = context;
}
public MyTasksController(MyPlannerContext context)
{
_context = context;
}
public void BackPropagation(float b0_t0, float b1_t0, float w0_0_t0, float w0_1_t0, float w0_2_t0, float w0_3_t0, float w1_1_t0, float actual_price, string location, MyPlannerContext _context, int weights_id, int weights_location_id, MyTask.TagType tag)
{
float suggested_price = this.SuggestedPrice(b0_t0, b1_t0, w0_0_t0, w0_1_t0, w0_2_t0, w0_3_t0, w1_1_t0);
float b0_t1 = b0_t0; //updated biases
float b1_t1 = b1_t0;
float w0_0_t1 = w0_0_t0; //updated weights;
float w0_1_t1 = w0_1_t0;
float w0_2_t1 = w0_2_t0;
float w0_3_t1 = w0_3_t0;
float w1_1_t1 = w1_1_t0;
int n = 0;
float temp_correction_b0 = 0;
actual_price = actual_price / Duration;
//Derivative of cost with respect to weights for second layer
if (w1_1_t0 * a1 + b1_t0 > 0)
{
w1_1_t1 -= (learning_rate * 2 * (w1_1_t0 * a1 + b1_t0 - actual_price) * a1);
}
// Derivative of cost with respect to biases for second layer
if (w1_1_t0 * a1 + b1_t0 > 0)
{
b1_t1 -= (learning_rate * 2 * (w1_1_t0 * a1 + b1_t0 - actual_price));
}
//Derivative of cost with respect to weights for first layer
if (w0_0_t0 * x1 + b0_t0 > 0)
{
float correction = (learning_rate * 2 * (w0_0_t0 * x0 + b0_t0 - ((actual_price - b1_t0) / w1_1_t0) * x0 * w1_1_t0));
w0_0_t1 -= correction;
}
if (w0_1_t0 * x1 + b0_t0 > 0)
{
float correction = (learning_rate * 2 * ((w0_1_t0 * x1 + b0_t0 - (actual_price - b1_t0) / w1_1_t0) * x1 * w1_1_t0));
w0_1_t1 -= correction;
}
if (w0_2_t0 * x2 + b0_t0 > 0)
{
float correction = (learning_rate * 2 * ((w0_2_t0 * x2 + b0_t0 - (actual_price - b1_t0) / w1_1_t0) * x2 * w1_1_t0));
w0_2_t1 -= correction;
}
if (w0_3_t0 * x3 + b0_t0 > 0)
{
float correction = (learning_rate * 2 * ((w0_3_t0 * x3 + b0_t0 - (actual_price - b1_t0) / w1_1_t0) * x3 * w1_1_t0));
w0_3_t1 -= correction;
}
// Derivative of cost with respect to biases for first layer
if (w0_0_t0 * x0 + b0_t0 > 0)
{
temp_correction_b0 -= (learning_rate * 2 * (w0_0_t0 * x1 + b0_t0 - (actual_price - b1_t0) / w1_1_t0));
n += 1;
}
if (w0_1_t0 * x1 + b0_t0 > 0)
{
temp_correction_b0 -= (learning_rate * 2 * (w0_1_t0 * x1 + b0_t0 - (actual_price - b1_t0) / w1_1_t0));
n += 1;
}
if (w0_2_t0 * x2 + b0_t0 > 0)
{
temp_correction_b0 -= (learning_rate * 2 * (w0_2_t0 * x2 + b0_t0 - (actual_price - b1_t0) / w1_1_t0));
n += 1;
}
if (w0_3_t0 * x3 + b0_t0 > 0)
{
temp_correction_b0 -= (learning_rate * 2 * (w0_3_t0 * x3 + b0_t0 - (actual_price - b1_t0) / w1_1_t0));
n += 1;
}
b0_t1 += temp_correction_b0 / n;
Weights weights_t1 = new Weights(weights_id + 1, w0_0_t1, w0_1_t1, w0_2_t1, w0_3_t1, b0_t1, tag);
LocationWeights location_weights_t1 = new LocationWeights(weights_location_id + 1, w1_1_t1, b1_t1, location, tag);
_context.Add(weights_t1);
_context.Add(location_weights_t1);
}
public UsersController(MyPlannerContext?context, IUserRepository repository = null)
{
_context = context;
_repository = repository;
logged_user = new User();
}
