From 1f372355d4c52344e682adf66efa0eb5a313ea9f Mon Sep 17 00:00:00 2001
From: Jeas0001 <jeas0001@edu.mercantec.dk>
Date: Mon, 7 Apr 2025 10:00:57 +0200
Subject: [PATCH] Publish automatisk ved edit af temphigh og low

---
 backend/Api/AMQP/AMQPPublisher.cs        | 55 ++++++------------------
 backend/Api/BusinessLogic/DeviceLogic.cs | 18 ++++++--
 backend/Api/Program.cs                   |  2 -
 3 files changed, 27 insertions(+), 48 deletions(-)

diff --git a/backend/Api/AMQP/AMQPPublisher.cs b/backend/Api/AMQP/AMQPPublisher.cs
index be883f1..5da1861 100644
--- a/backend/Api/AMQP/AMQPPublisher.cs
+++ b/backend/Api/AMQP/AMQPPublisher.cs
@@ -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()
+        public async void Handle_Push_Device_Limits(DeviceLimit deviceLimit)
         {
-            while (true)
-            {
-                await Connect();
+            // 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);
-                }
+            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);
+            // Short delay before disconnecting from rabbitMQ
+            await Task.Delay(1000);
 
-                await Connect();
+            // Disconnecting from rabbitMQ to save resources
+            await Dispose();
 
-                // 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;
         }
diff --git a/backend/Api/BusinessLogic/DeviceLogic.cs b/backend/Api/BusinessLogic/DeviceLogic.cs
index b49db03..e841509 100644
--- a/backend/Api/BusinessLogic/DeviceLogic.cs
+++ b/backend/Api/BusinessLogic/DeviceLogic.cs
@@ -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);
diff --git a/backend/Api/Program.cs b/backend/Api/Program.cs
index fc7a5e3..3fa0a00 100644
--- a/backend/Api/Program.cs
+++ b/backend/Api/Program.cs
@@ -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")
                 {