ReiMerc/temperature-alarm
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Publish automatisk ved edit af temphigh og low

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This commit is contained in:
Jeas0001 2025-04-07 10:00:57 +02:00
parent fd1b4ace5d
commit 1f372355d4
3 changed files with 27 additions and 48 deletions
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41
backend/Api/AMQP/AMQPPublisher.cs
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@ -10,15 +10,13 @@ namespace Api.AMQP
public class AMQPPublisher
{
private readonly IConfiguration _configuration;
private readonly DbAccess _dbAccess;
private IConnection _conn;
private IChannel _channel;
private ConnectionFactory _factory;
private string _queue;
public AMQPPublisher(IConfiguration configuration, DbAccess dbAccess)
public AMQPPublisher(IConfiguration configuration)
{
_dbAccess = dbAccess;
_configuration = configuration;
_factory = new ConnectionFactory();
_queue = "temperature-limits";
@ -26,51 +24,22 @@ namespace Api.AMQP
InitFactory();
}
public async Task Handle_Push_Device_Limits()
{
while (true)
public async void Handle_Push_Device_Limits(DeviceLimit deviceLimit)
{
// Connecting to rabbitMQ
await Connect();
// Publishes all devices limits
var devices = _dbAccess.ReadDevices();
foreach (var device in devices)
{
var deviceLimit = new DeviceLimit();
deviceLimit.ReferenceId = device.ReferenceId;
deviceLimit.TempHigh = device.TempHigh;
deviceLimit.TempLow = device.TempLow;
string message = JsonSerializer.Serialize(deviceLimit);
var body = Encoding.UTF8.GetBytes(message);
await _channel.BasicPublishAsync(exchange: string.Empty, routingKey: _queue, body: body);
}
// Short delay before disconnecting from rabbitMQ
await Task.Delay(1000);
// Disconnecting from rabbitMQ to save resources
await Dispose();
// 1 hour delay
await Task.Delay(3600000);
await Connect();
// Here all messages is consumed so the queue is empty
var consumer = new AsyncEventingBasicConsumer(_channel);
consumer.ReceivedAsync += (model, ea) =>
{
Console.WriteLine("Emptying queue");
return Task.CompletedTask;
};
// Consumes the data in the queue
await _channel.BasicConsumeAsync(_queue, true, consumer);
// Short delay before disconnecting from rabbitMQ
await Task.Delay(1000);
await Dispose();
}
}
// Disconnects from rabbitMQ
@ -92,7 +61,7 @@ namespace Api.AMQP
_channel = await _conn.CreateChannelAsync();
// Here we connect to the queue through the channel that got created earlier
await _channel.QueueDeclareAsync(queue: _queue, durable: false, exclusive: false, autoDelete: false);
await _channel.QueueDeclareAsync(queue: _queue, durable: true, exclusive: false, autoDelete: false);
Console.WriteLine($"{_queue} connected");
return true;
}

18
backend/Api/BusinessLogic/DeviceLogic.cs
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@ -4,6 +4,7 @@ using Api.Models.Devices;
using Api.Models.Users;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Api.AMQP;
namespace Api.BusinessLogic
{
@ -68,11 +69,17 @@ namespace Api.BusinessLogic
Device device = new Device
{
Name = "Undefined",
TempHigh = 0,
TempLow = 0,
TempHigh = 100,
TempLow = -40,
ReferenceId = referenceId,
Logs = new List<TemperatureLogs>(),
};
DeviceLimit deviceLimit = new DeviceLimit();
deviceLimit.TempHigh = device.TempHigh;
deviceLimit.TempLow = device.TempLow;
deviceLimit.ReferenceId = device.ReferenceId;
AMQPPublisher publisher = new AMQPPublisher(_configuration);
publisher.Handle_Push_Device_Limits(deviceLimit);
user.Devices.Add(device);
@ -96,7 +103,12 @@ namespace Api.BusinessLogic
device.Name = request.Name;
device.TempLow = request.TempLow;
device.TempHigh = request.TempHigh;
DeviceLimit deviceLimit = new DeviceLimit();
deviceLimit.TempHigh = device.TempHigh;
deviceLimit.TempLow = device.TempLow;
deviceLimit.ReferenceId = device.ReferenceId;
AMQPPublisher publisher = new AMQPPublisher(_configuration);
publisher.Handle_Push_Device_Limits(deviceLimit);
}
return await _dbAccess.EditDevice(device);

2
backend/Api/Program.cs
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@ -29,8 +29,6 @@ class Program
{
AMQPReciever amqpReciever = new AMQPReciever(configuration, dbAccess);
amqpReciever.Handle_Received_Application_Message().Wait();
AMQPPublisher aMQPPush = new AMQPPublisher(configuration, dbAccess);
aMQPPush.Handle_Push_Device_Limits().Wait();
}
else if (rabbitMQ == "MQTT")
{