// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IWebHostEnvironment env, SensorTrackingDbContext dbContext)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
ServiceCollectionExtension.FillDatabase(dbContext);
}
app.UseRouting();
app.UseAuthorization();
app.UseCors(option => option.AllowAnyOrigin());
app.UseEndpoints(endpoints =>
{
endpoints.MapControllers();
});
}
public static void FillDatabase(SensorTrackingDbContext context)
{
bool createdDb = context.Database.EnsureCreated();
if (createdDb)
{
string done = "criado";
}
if (context.Sensores.Any())
{
return;
}
DateTime startDt = DateTime.UtcNow;
double timestampInicio = startDt.Subtract(DateTime.UnixEpoch).TotalMilliseconds;
double timestampFim = startDt.AddMinutes(2).Subtract(DateTime.UnixEpoch).TotalMilliseconds;
int idTemp = 1;
// 10 regioes.
ICollection <string> regiaoList = new List <string>()
{
"rio_de_janeiro", "sao_paulo", "curitiba", "joinvile", "maranhao", "paraiba",
"brasilia", "sergipe", "belo_horizonte", "fortaleza"
};
// de 10 a 15 sensores por regiao
string base_name = "sensor_0";
// 5min de dados: 60x5 = 300/sensor
// valor: string e numero
// 10 reg x 15 sensor_name x 300 sensor_input = 45.000
ICollection <SensorModel> novosModels = new List <SensorModel>();
foreach (string reg in regiaoList)
{
int qtddSensorReg = GetRandomInt(15);
ICollection <int> intChoised = new HashSet <int>();
while (intChoised.Count != qtddSensorReg)
{
intChoised.Add(GetRandomInt(15));
}
foreach (int num in intChoised)
{
int oneSecond = 1000;
double timeStampCur = timestampInicio;
while (timeStampCur < timestampFim)
{
string valor = GetValue();
string tag = "brasil." + reg + "." + base_name + num;
long timestamp = Convert.ToInt64(Math.Round(timeStampCur));
SensorModel model = SensorModel.Build(tag, timestamp, valor);
//model.Id = idTemp;
novosModels.Add(model);
idTemp += 1;
timeStampCur += oneSecond;
}
}
}
// https://docs.microsoft.com/pt-br/ef/core/modeling/data-seeding#custom-initialization-logic
context.Sensores.AddRangeAsync(novosModels);
context.SaveChangesAsync();
}