Update to .NET Core 3.1 and apply Roslyn suggestions

Weather/SerialReader/.vscode/launch.json

@@ -1,30 +1,30 @@
 {
-    // Use IntelliSense to find out which attributes exist for C# debugging
-    // Use hover for the description of the existing attributes
-    // For further information visit https://github.com/OmniSharp/omnisharp-vscode/blob/master/debugger-launchjson.md
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
     "version": "0.2.0",
     "configurations": [
         {
-            "name": ".NET Core Launch (remote console)",
+            "name": ".NET Core Launch (web)",
             "type": "coreclr",
             "request": "launch",
-            "preLaunchTask": "publish",
-            "program": "dotnet",
-            "args": [
-                "/home/ckaczor/Weather/SerialReader/SerialReader.dll"
-            ],
-            "cwd": "/home/ckaczor/Weather/SerialReader",
+            "preLaunchTask": "build",
+            "program": "${workspaceFolder}/bin/Debug/netcoreapp3.1/ChrisKaczor.HomeMonitor.Weather.SerialReader.dll",
+            "args": [],
+            "cwd": "${workspaceFolder}",
             "stopAtEntry": false,
-            "console": "internalConsole",
-            "pipeTransport": {
-                "pipeCwd": "${workspaceFolder}",
-                "pipeProgram": "C:\\Program Files (x86)\\PuTTY\\PLINK.EXE",
-                "pipeArgs": [
-                    "root@172.23.10.6"
-                ],
-                "debuggerPath": "/home/ckaczor/vsdbg/vsdbg"
+            "env": {
+                "ASPNETCORE_ENVIRONMENT": "Development"
             },
-            "internalConsoleOptions": "openOnSessionStart"
+            "sourceFileMap": {
+                "/Views": "${workspaceFolder}/Views"
+            }
+        },
+        {
+            "name": ".NET Core Attach",
+            "type": "coreclr",
+            "request": "attach",
+            "processId": "${command:pickProcess}"
         }
     ]
 }

Weather/SerialReader/.vscode/tasks.json

@@ -7,29 +7,54 @@
             "type": "process",
             "args": [
                 "build",
-                "${workspaceFolder}/SerialReader.csproj"
+                "${workspaceFolder}/SerialReader.csproj",
+                "/property:GenerateFullPaths=true",
+                "/consoleloggerparameters:NoSummary"
             ],
-            "problemMatcher": "$msCompile",
-            "group": {
-                "kind": "build",
-                "isDefault": true
-            }
+            "problemMatcher": "$msCompile"
         },
         {
             "label": "publish",
+            "command": "dotnet",
+            "type": "process",
+            "args": [
+                "publish",
+                "${workspaceFolder}/SerialReader.csproj",
+                "/property:GenerateFullPaths=true",
+                "/consoleloggerparameters:NoSummary"
+            ],
+            "problemMatcher": "$msCompile"
+        },
+        {
+            "label": "watch",
+            "command": "dotnet",
+            "type": "process",
+            "args": [
+                "watch",
+                "run",
+                "${workspaceFolder}/SerialReader.csproj",
+                "/property:GenerateFullPaths=true",
+                "/consoleloggerparameters:NoSummary"
+            ],
+            "problemMatcher": "$msCompile"
+        },
+        {
+            "label": "build",
+            "command": "dotnet",
             "type": "shell",
+            "args": [
+                "build",
+                "/property:GenerateFullPaths=true",
+                "/consoleloggerparameters:NoSummary"
+            ],
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            },
             "presentation": {
-                "reveal": "always",
-                "panel": "shared"
+                "reveal": "silent"
             },
-            "options": {
-                "cwd": "${workspaceFolder}"
-            },
-            "windows": {
-                "command": "${cwd}\\publish.bat"
-            },
-            "problemMatcher": [],
-            "group": "build"
+            "problemMatcher": "$msCompile"
         }
     ]
 }

Weather/SerialReader/Program.cs

@@ -139,7 +139,7 @@ namespace ChrisKaczor.HomeMonitor.Weather.SerialReader
 
                 var ports = SerialPort.GetPortNames();
 
-                var port = ports.FirstOrDefault(p => p.StartsWith(portPrefix));
+                var port = Array.Find(ports, p => p.StartsWith(portPrefix));
 
                 if (port != null)
                 {

Weather/SerialReader/SerialReader.csproj

@@ -2,7 +2,9 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <CodeAnalysisRuleSet>../../ChrisKaczor.ruleset</CodeAnalysisRuleSet>
+    <GenerateTargetFrameworkAttribute>false</GenerateTargetFrameworkAttribute>
   </PropertyGroup>
 
   <PropertyGroup>

Weather/Service/Data/Database.cs

@@ -39,7 +39,7 @@ namespace ChrisKaczor.HomeMonitor.Weather.Service.Data
             var databaseExists = (bool?)command.ExecuteScalar();
 
             // Create database if needed
-            if (!databaseExists.GetValueOrDefault(false))
+            if (!(databaseExists ?? false))
             {
                 command.CommandText = $"CREATE DATABASE {_configuration["Weather:Database:Name"]}";
                 command.ExecuteNonQuery();
@@ -86,7 +86,7 @@ namespace ChrisKaczor.HomeMonitor.Weather.Service.Data
 
             var query = ResourceReader.GetString("ChrisKaczor.HomeMonitor.Weather.Service.Data.Resources.GetRecentReading.sql");
 
-            return await connection.QueryFirstOrDefaultAsync<WeatherReading>(query);
+            return await connection.QueryFirstOrDefaultAsync<WeatherReading>(query).ConfigureAwait(false);
         }
 
         public async Task<IEnumerable<WeatherReading>> GetReadingHistory(DateTimeOffset start, DateTimeOffset end)

Weather/Service/Models/WeatherUpdate.cs

@@ -10,7 +10,7 @@ namespace ChrisKaczor.HomeMonitor.Weather.Service.Models
     [PublicAPI]
     public class WeatherUpdate : WeatherMessage
     {
-        private Database _database;
+        private readonly Database _database;
 
         public decimal? WindChill { get; set; }
 

Weather/Service/Program.cs

@@ -13,10 +13,7 @@ namespace ChrisKaczor.HomeMonitor.Weather.Service
 
         private static IWebHostBuilder CreateWebHostBuilder(string[] args)
         {
-            return WebHost.CreateDefaultBuilder(args).ConfigureAppConfiguration((hostingContext, config) =>
-            {
-                config.AddEnvironmentVariables();
-            }).UseStartup<Startup>();
+            return WebHost.CreateDefaultBuilder(args).ConfigureAppConfiguration((_, config) => config.AddEnvironmentVariables()).UseStartup<Startup>();
         }
     }
 }

Weather/Service/ResourceReader.cs

@@ -9,18 +9,14 @@ namespace ChrisKaczor.HomeMonitor.Weather.Service
         public static string GetString(string resourceName)
         {
             var assembly = Assembly.GetExecutingAssembly();
-            using (var stream = assembly.GetManifestResourceStream(resourceName))
-            {
-                if (stream == null)
-                {
-                    throw new Exception($"Resource {resourceName} not found in {assembly.FullName}.  Valid resources are: {string.Join(", ", assembly.GetManifestResourceNames())}.");
-                }
 
-                using (var reader = new StreamReader(stream))
-                {
-                    return reader.ReadToEnd();
-                }
-            }
+            using var stream = assembly.GetManifestResourceStream(resourceName);
+
+            if (stream == null)
+                throw new Exception($"Resource {resourceName} not found in {assembly.FullName}.  Valid resources are: {string.Join(", ", assembly.GetManifestResourceNames())}.");
+
+            using var reader = new StreamReader(stream);
+            return reader.ReadToEnd();
         }
     }
 }

Weather/Service/Service.csproj

@@ -1,10 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <AspNetCoreHostingModel>InProcess</AspNetCoreHostingModel>
     <AssemblyName>ChrisKaczor.HomeMonitor.Weather.Service</AssemblyName>
     <RootNamespace>ChrisKaczor.HomeMonitor.Weather.Service</RootNamespace>
+    <CodeAnalysisRuleSet>../../ChrisKaczor.ruleset</CodeAnalysisRuleSet>
+    <GenerateTargetFrameworkAttribute>false</GenerateTargetFrameworkAttribute>
   </PropertyGroup>
 
   <ItemGroup>

Weather/Service/Startup.cs

@@ -17,10 +17,7 @@ namespace ChrisKaczor.HomeMonitor.Weather.Service
 
             services.AddHostedService<MessageHandler>();
 
-            services.Configure<GzipCompressionProviderOptions>(options =>
-            {
-                options.Level = CompressionLevel.Optimal;
-            });
+            services.Configure<GzipCompressionProviderOptions>(options => options.Level = CompressionLevel.Optimal);
 
             services.AddResponseCompression(options =>
             {
@@ -47,10 +44,7 @@ namespace ChrisKaczor.HomeMonitor.Weather.Service
 
             applicationBuilder.UseRouting();
 
-            applicationBuilder.UseEndpoints(endpoints =>
-            {
-                endpoints.MapDefaultControllerRoute();
-            });
+            applicationBuilder.UseEndpoints(endpoints => endpoints.MapDefaultControllerRoute());
         }
     }
 }