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iot/projects/IoTCenter/Api/DeviceController.cs

126 lines
4.7 KiB

using Application.Domain.Entities;
using Infrastructure.Data;
using Infrastructure.Extensions;
using IoTCenter.ViewModels;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Drawing;
using System.Globalization;
using System.Linq;
using Vibrant.InfluxDB.Client;
using Vibrant.InfluxDB.Client.Rows;
namespace IoTCenter.Api.Controllers
{
[ApiVersion("1.0")]
[Route("api/v{version:apiVersion}/[controller]/[action]")]
[ApiController]
public class DeviceController : ControllerBase
{
private readonly IConfiguration _cfg;
private readonly IRepository<Device> _deviceRepo;
public DeviceController(IConfiguration cfg,
IRepository<Device> deviceRepo)
{
this._cfg = cfg;
this._deviceRepo = deviceRepo;
}
[HttpPost]
public ActionResult GetDevice([Required]string number)
{
try
{
var model = this._deviceRepo.ReadOnlyTable()
.Include(o => o.Data)
.Include(o => o.Product)
.ThenInclude(o => o.Apis)
.ThenInclude(o => o.Parameters)
.Where(o => o.Number == number)
.FirstOrDefault();
model.Data = model.Data.OrderBy(o => o.Key).ToList();
return Ok(model);
}
catch (Exception ex)
{
ex.PrintStack();
return Problem(ex.Message);
}
}
[HttpPost]
public IActionResult GetChartData([FromBody]ChartDataRequest model)
{
try
{
var device = this._deviceRepo.ReadOnlyTable().Include(o => o.Data).FirstOrDefault(o => o.Number == model.Number);
var data = device.Data.FirstOrDefault(o => o.Key == model.Key);
var url = this._cfg["influxdb:url"];
var usr = this._cfg["influxdb:usr"];
var pwd = this._cfg["influxdb:pwd"];
var dbName = "iot";
var measurementName = "data";
var datasets = new List<object>();
var labels = new List<string>();
var hours = Convert.ToInt32(DateTime.Now.ToString("%z"));
using var client = new InfluxClient(new Uri(url), usr, pwd);
var days = Convert.ToInt32(model.Time.TrimEnd('d'));
var group = days == 1 ? "1m" : (days == 7 ? "10m" : "1h");
var query = $"select last({model.Key}) from {measurementName} where time>now() - {days}d and DeviceNumber = '{model.Number}' group by time({group}) fill(none)";
var result = client.ReadAsync<DynamicInfluxRow>(dbName, query).Result;
var rows = result.Results.FirstOrDefault()?
.Series.FirstOrDefault()?
.Rows;
datasets.Add(new
{
label = data.Name,
data = rows != null ? rows.Select(o => o.GetField("last")).ToList() : new List<object>(),
backgroundColor = this.GetColor(data.Key),
fill = false
});
if (rows != null)
{
labels = rows.Select(o => o.Timestamp.Value).Select(o => o.AddHours(hours).ToString("MMM-d H:mm", new CultureInfo("zh-CN"))).ToList();
}
var response = new
{
datasets,
labels
};
return Ok(response);
}
catch (Exception ex)
{
ex.PrintStack();
return Problem(ex.Message);
}
}
private string GetColor(string key)
{
//var randomGen = new Random();
//var names = (KnownColor[])Enum.GetValues(typeof(KnownColor));
//var randomColorName = names[randomGen.Next(names.Length)];
//var randomColor = Color.FromKnownColor(randomColorName);
//return randomColor.Name;
if (key == "Humidity")
{
return Color.FromKnownColor(KnownColor.Green).Name;
}
else if (key == "Electricity")
{
return Color.FromKnownColor(KnownColor.Red).Name;
}
else if (key == "Light")
{
return Color.FromKnownColor(KnownColor.Orange).Name;
}
return Color.FromKnownColor(KnownColor.DarkBlue).Name;
}
}
}