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Merge pull request #5 from https-richardy/feature/implements-merchants-webui
feature: this commit introduces a Blazor WebAssembly project, and ini…
2 parents e6e9143 + 54d6c10 commit f7e6043

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‎UIs/Merchants/Comanda.Merchants.WebUI.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 18
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VisualStudioVersion = 18.3.11312.210
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Source", "Source", "{B8EFCA5F-814F-285C-A8CB-F00F14650265}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Comanda.Merchants.WebUI", "Source\Comanda.Merchants.WebUI.csproj", "{C835E518-C45B-4575-93EC-78103FD20F9B}"
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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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Debug|x64 = Debug|x64
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Debug|x86 = Debug|x86
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Release|Any CPU = Release|Any CPU
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Release|x64 = Release|x64
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Release|x86 = Release|x86
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{C835E518-C45B-4575-93EC-78103FD20F9B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{C835E518-C45B-4575-93EC-78103FD20F9B}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{C835E518-C45B-4575-93EC-78103FD20F9B}.Debug|x64.ActiveCfg = Debug|Any CPU
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{C835E518-C45B-4575-93EC-78103FD20F9B}.Debug|x64.Build.0 = Debug|Any CPU
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{C835E518-C45B-4575-93EC-78103FD20F9B}.Debug|x86.ActiveCfg = Debug|Any CPU
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{C835E518-C45B-4575-93EC-78103FD20F9B}.Debug|x86.Build.0 = Debug|Any CPU
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{C835E518-C45B-4575-93EC-78103FD20F9B}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{C835E518-C45B-4575-93EC-78103FD20F9B}.Release|Any CPU.Build.0 = Release|Any CPU
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{C835E518-C45B-4575-93EC-78103FD20F9B}.Release|x64.ActiveCfg = Release|Any CPU
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{C835E518-C45B-4575-93EC-78103FD20F9B}.Release|x64.Build.0 = Release|Any CPU
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{C835E518-C45B-4575-93EC-78103FD20F9B}.Release|x86.ActiveCfg = Release|Any CPU
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{C835E518-C45B-4575-93EC-78103FD20F9B}.Release|x86.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(NestedProjects) = preSolution
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{C835E518-C45B-4575-93EC-78103FD20F9B} = {B8EFCA5F-814F-285C-A8CB-F00F14650265}
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {B38CFDDE-933A-4367-B105-C867F91B05BD}
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EndGlobalSection
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EndGlobal

‎UIs/Merchants/Source/App.razor‎

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@inject IProfilesClient profilesClient
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@inject IPrincipalProvider principalProvider
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@inject IStoreClient storeClient
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@inject ISessionManager sessionManager
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@inject IIdentityClient identityClient
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@inject ILocalStorageGateway localStorage
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@inject AuthenticationStateProvider authenticationStateProvider
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@inject NavigationManager navigationManager
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<CascadingAuthenticationState>
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<Router AppAssembly="@typeof(App).Assembly" NotFoundPage="typeof(Pages.NotFound)">
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<Found Context="routeData">
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<AuthorizeRouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)">
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<NotAuthorized>
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<NotAuthorized />
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</NotAuthorized>
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</AuthorizeRouteView>
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<FocusOnNavigate RouteData="@routeData" Selector="h1" />
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</Found>
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</Router>
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</CascadingAuthenticationState>
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@code {
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protected override async Task OnInitializedAsync()
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{
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await base.OnInitializedAsync();
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await InitializeMockSessionAsync();
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await SetPrincipalAsync();
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var session = await authenticationStateProvider.GetAuthenticationStateAsync();
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var principal = session.User;
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if (principal?.Identity?.IsAuthenticated is true)
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{
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var identifier = principal.FindFirst(ClaimTypes.NameIdentifier)?.Value;
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var owners = await profilesClient.GetOwnersAsync(new() { UserId = identifier! });
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var owner = owners?.Data?.Items.FirstOrDefault();
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if (owner is null)
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return;
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var establishments = await storeClient.GetEstablishmentsAsync(new() { OwnerId = owner.Identifier });
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var establishment = establishments?.Data?.Items.FirstOrDefault();
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if (establishment is null)
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{
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navigationManager.NavigateTo("/onboarding");
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return;
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}
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await localStorage.SetAsync<EstablishmentScheme>(Storage.Establishment, establishment);
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await localStorage.SetAsync<OwnerScheme>(Storage.Merchant, owner);
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}
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}
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private async Task SetPrincipalAsync()
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{
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var principal = await principalProvider.GetPrincipalAsync();
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if (principal.IsFailure || principal.Data is null)
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return;
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await localStorage.SetAsync<PrincipalScheme>(Storage.Principal, principal.Data);
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}
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private async Task InitializeMockSessionAsync()
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{
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var authentication = await identityClient.AuthenticateAsync(new()
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{
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Username = "jane.doe@email.com",
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Password = "password"
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});
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if (authentication.IsFailure || authentication.Data is null)
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return;
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await sessionManager.SignInAsync(authentication.Data.AccessToken, authentication.Data.RefreshToken);
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}
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}

‎UIs/Merchants/Source/Authentication/JwtAuthenticationStateProvider.cs‎

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namespace Comanda.Merchants.WebUI.Authentication;
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public sealed class JwtAuthenticationStateProvider(ILocalStorageGateway localStorage) :
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AuthenticationStateProvider
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{
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private readonly JwtSecurityTokenHandler tokenHandler = new();
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private readonly ClaimsPrincipal anonymous =
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new(new ClaimsIdentity());
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public override async Task<AuthenticationState> GetAuthenticationStateAsync()
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{
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var tokenString = await localStorage.GetAsStringAsync(Storage.SecurityToken);
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if (string.IsNullOrWhiteSpace(tokenString))
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{
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return new AuthenticationState(anonymous);
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}
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var token = tokenHandler.ReadJwtToken(tokenString);
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if (token.ValidTo < DateTime.UtcNow)
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{
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return new AuthenticationState(anonymous);
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}
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var identity = new ClaimsIdentity(token.Claims, "https://www.rfc-editor.org/rfc/rfc7519", nameType: "preferred_username", roleType: "role");
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var principal = new ClaimsPrincipal(identity);
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return new AuthenticationState(principal);
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}
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public void NotifyAuthenticationStateChanged()
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{
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NotifyAuthenticationStateChanged(GetAuthenticationStateAsync());
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}
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}

‎UIs/Merchants/Source/Authentication/PrincipalProvider.cs‎

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namespace Comanda.Merchants.WebUI.Authentication;
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public sealed class PrincipalProvider(HttpClient httpClient) : IPrincipalProvider
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{
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private readonly JsonSerializerOptions serializerOptions = new()
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{
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PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
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PropertyNameCaseInsensitive = true
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};
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public async Task<Result<PrincipalScheme>> GetPrincipalAsync(CancellationToken cancellation = default)
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{
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var response = await httpClient.GetAsync("/api/v1/identity/principal", cancellation);
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var content = await response.Content.ReadAsStringAsync(cancellation);
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// we prefer explicit boolean comparisons for readability
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// https://rules.sonarsource.com/csharp/RSPEC-1125/
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#pragma warning disable S1125
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if (response.IsSuccessStatusCode is false)
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{
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return Result<PrincipalScheme>.Failure(UserErrors.UserDoesNotExist);
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}
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var result = JsonSerializer.Deserialize<PrincipalScheme>(content, serializerOptions);
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if (result is null)
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{
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return Result<PrincipalScheme>.Failure(UserErrors.UserDoesNotExist);
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}
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return Result<PrincipalScheme>.Success(result);
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}
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}

‎UIs/Merchants/Source/Authentication/SessionManager.cs‎

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namespace Comanda.Merchants.WebUI.Authentication;
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public sealed class SessionManager(ILocalStorageGateway localStorage, IIdentityClient identityClient, AuthenticationStateProvider provider) : ISessionManager
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{
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public async Task SignInAsync(string token, string refreshToken)
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{
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await localStorage.SetAsStringAsync(Storage.SecurityToken, token);
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await localStorage.SetAsStringAsync(Storage.RefreshToken, refreshToken);
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// inform provider of signin because blazor does not automatically detect localstorage updates
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if (provider is JwtAuthenticationStateProvider authenticationState)
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authenticationState.NotifyAuthenticationStateChanged();
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}
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public async Task SignOutAsync()
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{
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var refreshToken = await localStorage.GetAsStringAsync(Storage.RefreshToken);
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if (string.IsNullOrWhiteSpace(refreshToken))
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return;
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await localStorage.RemoveAsync(Storage.SecurityToken);
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await identityClient.InvalidateSessionAsync(new() { RefreshToken = refreshToken });
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// notify provider of logout because blazor does not detect localstorage changes automatically
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if (provider is JwtAuthenticationStateProvider authenticationState)
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authenticationState.NotifyAuthenticationStateChanged();
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}
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}

‎UIs/Merchants/Source/Comanda.Merchants.WebUI.csproj‎

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<Project Sdk="Microsoft.NET.Sdk.BlazorWebAssembly">
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<PropertyGroup>
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<TargetFramework>net10.0</TargetFramework>
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<Nullable>enable</Nullable>
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<ImplicitUsings>enable</ImplicitUsings>
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<OverrideHtmlAssetPlaceholders>true</OverrideHtmlAssetPlaceholders>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.AspNetCore.Components.Authorization" Version="10.0.1" />
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<PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="10.0.1" />
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<PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="10.0.1" PrivateAssets="all" />
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<PackageReference Include="Microsoft.Extensions.Http" Version="10.0.1" />
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<PackageReference Include="MudBlazor" Version="8.15.0" />
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<PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.15.0" />
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<PackageReference Include="Comanda.Internal.Contracts" Version="1.0.8" />
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<PackageReference Include="HttpsRichardy.Federation.Sdk.Contracts" Version="1.0.2" />
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</ItemGroup>
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</Project>

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