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Add LabStatus solution
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‎LabStatus/LabStatus.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.3.32519.111
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LabStatus", "LabStatus\LabStatus.csproj", "{E6F257E2-7738-42A1-A169-BD6E59DA5E38}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{E6F257E2-7738-42A1-A169-BD6E59DA5E38}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{E6F257E2-7738-42A1-A169-BD6E59DA5E38}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{E6F257E2-7738-42A1-A169-BD6E59DA5E38}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{E6F257E2-7738-42A1-A169-BD6E59DA5E38}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {B35286D8-15E6-4BF5-AD70-FC3C6CE09AF4}
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EndGlobalSection
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EndGlobal

‎LabStatus/LabStatus/App.razor‎

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<Router AppAssembly="@typeof(App).Assembly">
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<Found Context="routeData">
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<RouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)" />
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<FocusOnNavigate RouteData="@routeData" Selector="h1" />
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</Found>
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<NotFound>
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<PageTitle>Not found</PageTitle>
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<LayoutView Layout="@typeof(MainLayout)">
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<p role="alert">Sorry, there's nothing at this address.</p>
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</LayoutView>
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</NotFound>
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</Router>

‎LabStatus/LabStatus/Data/LabInfo.cs‎

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namespace LabStatus.Data
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{
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public class LabInfo
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{
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public string Name { get; set; } = string.Empty;
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public int Status { get; set; }
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}
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}

‎LabStatus/LabStatus/Data/LabStatusDal.cs‎

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namespace LabStatus.Data
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{
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public class LabStatusDal
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{
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public List<string> GetLabs()
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{
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lock (LabStatusDb.SyncKey)
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{
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return LabStatusDb.Labs.ToList();
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}
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}
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public Dictionary<string, int> GetUserStatus(string user)
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{
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lock (LabStatusDb.SyncKey)
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{
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var userExists = LabStatusDb.CurrentUsers.Where(r => r == user).Any();
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if (!userExists)
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AddUser(user);
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var userData = LabStatusDb.LabStatus.Where(r => r.Key == user).FirstOrDefault().Value;
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var result = new Dictionary<string, int>();
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int i = 0;
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foreach (var item in GetLabs())
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result.Add(item, userData[i++]);
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return result;
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}
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}
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public void UpdateStatus(string user, string itemName, int status)
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{
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lock (LabStatusDb.SyncKey)
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{
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var index = -1;
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foreach (var item in LabStatusDb.Labs)
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{
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index++;
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if (item == itemName)
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break;
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}
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var userData = LabStatusDb.LabStatus.Where(r => r.Key == user).First().Value;
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userData[index] = status;
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}
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}
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public void AddUser(string user)
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{
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lock (LabStatusDb.SyncKey)
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{
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var exists = LabStatusDb.CurrentUsers.Where(r => r == user).Any();
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if (!exists)
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LabStatusDb.CurrentUsers.Add(user);
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LabStatusDb.LabStatus.TryAdd(user, new List<int> { 0, 0, 0, 0, 0, 0 });
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}
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}
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public void RemoveUser(string user)
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{
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lock (LabStatusDb.SyncKey)
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{
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var exists = LabStatusDb.CurrentUsers.Where(r => r == user).Any();
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if (exists)
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{
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List<int> x;
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LabStatusDb.LabStatus.TryRemove(user, out x);
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LabStatusDb.CurrentUsers.Remove(user);
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}
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}
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}
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public List<string> GetUsers()
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{
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lock (LabStatusDb.SyncKey)
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{
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return LabStatusDb.CurrentUsers.ToList();
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}
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}
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public Dictionary<string, List<int>> GetAllData()
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{
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lock (LabStatusDb.SyncKey)
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{
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var result = new Dictionary<string, List<int>>();
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foreach (var item in LabStatusDb.LabStatus)
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result.Add(item.Key, item.Value.ToList());
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return result;
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}
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}
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}
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}

‎LabStatus/LabStatus/Data/LabStatusDb.cs‎

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using System.Collections.Concurrent;
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namespace LabStatus.Data
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{
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public static class LabStatusDb
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{
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public readonly static object SyncKey = new();
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public readonly static List<string> Labs = new List<string>
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{
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{ "Lab00 - verify tools" },
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{ "Lab01 - aspnetcore in docker" },
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{ "Lab02 - aspnetcore in Azure" },
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{ "Lab03 - example running in docker-compose" },
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{ "Lab04 - install rabbitmq in kubernetes" },
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{ "Lab05 - example running in kubernetes" }
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};
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public readonly static List<string> CurrentUsers = new List<string>();
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public readonly static ConcurrentDictionary<string, List<int>> LabStatus = new ConcurrentDictionary<string, List<int>>();
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}
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}

‎LabStatus/LabStatus/Data/WeatherForecast.cs‎

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namespace LabStatus.Data
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{
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public class WeatherForecast
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{
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public DateTime Date { get; set; }
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public int TemperatureC { get; set; }
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public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
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public string? Summary { get; set; }
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}
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}

‎LabStatus/LabStatus/Data/WeatherForecastService.cs‎

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namespace LabStatus.Data
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{
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public class WeatherForecastService
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{
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private static readonly string[] Summaries = new[]
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{
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"Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
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};
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public Task<WeatherForecast[]> GetForecastAsync(DateTime startDate)
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{
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return Task.FromResult(Enumerable.Range(1, 5).Select(index => new WeatherForecast
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{
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Date = startDate.AddDays(index),
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TemperatureC = Random.Shared.Next(-20, 55),
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Summary = Summaries[Random.Shared.Next(Summaries.Length)]
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}).ToArray());
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}
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}
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}

‎LabStatus/LabStatus/LabStatus.csproj‎

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<Project Sdk="Microsoft.NET.Sdk.Web">
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<PropertyGroup>
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<TargetFramework>net6.0</TargetFramework>
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<Nullable>enable</Nullable>
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<ImplicitUsings>enable</ImplicitUsings>
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</PropertyGroup>
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</Project>

‎LabStatus/LabStatus/Pages/Counter.razor‎

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@page "/counter"
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<PageTitle>Counter</PageTitle>
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<h1>Counter</h1>
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<p role="status">Current count: @currentCount</p>
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<button class="btn btn-primary" @onclick="IncrementCount">Click me</button>
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@code {
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private int currentCount = 0;
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private void IncrementCount()
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{
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currentCount++;
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}
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}

‎LabStatus/LabStatus/Pages/Error.cshtml‎

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@page
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@model LabStatus.Pages.ErrorModel
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
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<title>Error</title>
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<link href="~/css/bootstrap/bootstrap.min.css" rel="stylesheet" />
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<link href="~/css/site.css" rel="stylesheet" asp-append-version="true" />
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</head>
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<body>
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<div class="main">
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<div class="content px-4">
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<h1 class="text-danger">Error.</h1>
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<h2 class="text-danger">An error occurred while processing your request.</h2>
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@if (Model.ShowRequestId)
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{
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<p>
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<strong>Request ID:</strong> <code>@Model.RequestId</code>
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</p>
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}
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<h3>Development Mode</h3>
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<p>
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Swapping to the <strong>Development</strong> environment displays detailed information about the error that occurred.
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</p>
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<p>
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<strong>The Development environment shouldn't be enabled for deployed applications.</strong>
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It can result in displaying sensitive information from exceptions to end users.
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For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
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and restarting the app.
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</p>
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</div>
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</div>
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</body>
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</html>

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