560 lines
20 KiB
Plaintext
560 lines
20 KiB
Plaintext
@using System.Diagnostics.CodeAnalysis
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@using System.Runtime.InteropServices
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@namespace Oqtane.UI
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@inject AuthenticationStateProvider AuthenticationStateProvider
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@inject SiteState SiteState
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@inject NavigationManager NavigationManager
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@inject INavigationInterception NavigationInterception
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@inject IAliasService AliasService
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@inject ITenantService TenantService
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@inject ISiteService SiteService
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@inject IPageService PageService
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@inject IUserService UserService
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@inject IModuleService ModuleService
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@inject ILogService LogService
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@implements IHandleAfterRender
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@DynamicComponent
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@code {
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private string _absoluteUri;
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private bool _navigationInterceptionEnabled;
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private PageState _pagestate;
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[CascadingParameter]
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PageState PageState { get; set; }
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[Parameter]
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public Action<PageState> OnStateChange { get; set; }
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private RenderFragment DynamicComponent { get; set; }
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protected override void OnInitialized()
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{
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_absoluteUri = NavigationManager.Uri;
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NavigationManager.LocationChanged += LocationChanged;
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DynamicComponent = builder =>
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{
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if (PageState != null)
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{
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builder.OpenComponent(0, Type.GetType(Constants.PageComponent));
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builder.CloseComponent();
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}
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};
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}
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public void Dispose()
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{
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NavigationManager.LocationChanged -= LocationChanged;
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}
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protected override async Task OnParametersSetAsync()
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{
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if (PageState == null)
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{
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// misconfigured api calls should not be processed through the router
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if (!_absoluteUri.Contains("~/api/"))
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{
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await Refresh();
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}
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else
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{
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System.Diagnostics.Debug.WriteLine(GetType().FullName + ": Error: API call to " + _absoluteUri + " is not mapped to a Controller");
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}
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}
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}
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[SuppressMessage("ReSharper", "StringIndexOfIsCultureSpecific.1")]
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private async Task Refresh()
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{
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Alias alias = null;
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Site site;
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List<Page> pages;
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Page page;
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User user = null;
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List<Module> modules;
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var moduleid = -1;
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var action = Constants.DefaultAction;
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var urlparameters = string.Empty;
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var editmode = false;
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var reload = Reload.None;
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var lastsyncdate = DateTime.UtcNow.AddHours(-1);
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var runtime = GetRuntime();
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Uri uri = new Uri(_absoluteUri);
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// get path
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var path = uri.LocalPath.Substring(1);
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// parse querystring
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var querystring = ParseQueryString(uri.Query);
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// the reload parameter is used to reload the PageState
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if (querystring.ContainsKey("reload"))
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{
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reload = Reload.Site;
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}
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if (PageState != null)
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{
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editmode = PageState.EditMode;
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lastsyncdate = PageState.LastSyncDate;
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}
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alias = await AliasService.GetAliasAsync(path, lastsyncdate);
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SiteState.Alias = alias; // set state for services
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lastsyncdate = alias.SyncDate;
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// process any sync events
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if (reload != Reload.Site && alias.SyncEvents.Any())
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{
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// if running on WebAssembly reload the client application if the server application was restarted
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if (runtime == Shared.Runtime.WebAssembly && PageState != null && alias.SyncEvents.Exists(item => item.TenantId == -1))
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{
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NavigationManager.NavigateTo(_absoluteUri + (!_absoluteUri.Contains("?") ? "?" : "&") + "reload", true);
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}
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if (alias.SyncEvents.Exists(item => item.EntityName == EntityNames.Site && item.EntityId == alias.SiteId))
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{
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reload = Reload.Site;
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}
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}
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if (reload == Reload.Site || PageState == null || alias.SiteId != PageState.Alias.SiteId)
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{
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site = await SiteService.GetSiteAsync(alias.SiteId);
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reload = Reload.Site;
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}
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else
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{
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site = PageState.Site;
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}
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if (site != null)
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{
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if (PageState == null || reload == Reload.Site)
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{
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// get user
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var authState = await AuthenticationStateProvider.GetAuthenticationStateAsync();
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if (authState.User.Identity.IsAuthenticated)
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{
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user = await UserService.GetUserAsync(authState.User.Identity.Name, site.SiteId);
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}
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}
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else
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{
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user = PageState.User;
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}
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// process any sync events for user
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if (reload != Reload.Site && user != null && alias.SyncEvents.Any())
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{
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if (alias.SyncEvents.Exists(item => item.EntityName == EntityNames.User && item.EntityId == user.UserId))
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{
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reload = Reload.Site;
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}
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}
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if (PageState == null || reload == Reload.Site)
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{
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pages = await PageService.GetPagesAsync(site.SiteId);
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}
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else
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{
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pages = PageState.Pages;
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}
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// format path and remove alias
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path = path.Replace("//", "/");
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if (!path.EndsWith("/"))
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{
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path += "/";
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}
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if (alias.Path != "")
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{
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path = path.Substring(alias.Path.Length + 1);
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}
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// extract admin route elements from path
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var segments = path.Split(new[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
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int result;
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int modIdPos = 0;
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int actionPos = 0;
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int urlParametersPos = 0;
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for (int i = 0; i < segments.Length; i++)
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{
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if (segments[i] == Constants.UrlParametersDelimiter)
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{
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urlParametersPos = i + 1;
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}
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if (i >= urlParametersPos && urlParametersPos != 0)
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{
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urlparameters += "/" + segments[i];
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}
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if (segments[i] == Constants.ModuleDelimiter)
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{
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modIdPos = i + 1;
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actionPos = modIdPos + 1;
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if (actionPos <= segments.Length - 1)
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{
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action = segments[actionPos];
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}
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}
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}
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// check if path has moduleid and action specification ie. pagename/*/moduleid/action/
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if (modIdPos > 0)
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{
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int.TryParse(segments[modIdPos], out result);
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moduleid = result;
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if (actionPos > segments.Length - 1)
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{
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path = path.Replace(segments[modIdPos - 1] + "/" + segments[modIdPos] + "/", "");
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}
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else
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{
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path = path.Replace(segments[modIdPos - 1] + "/" + segments[modIdPos] + "/" + segments[actionPos] + "/", "");
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}
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}
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if (urlParametersPos > 0)
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{
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path = path.Replace(segments[urlParametersPos - 1] + urlparameters + "/", "");
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}
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// remove trailing slash so it can be used as a key for Pages
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if (path.EndsWith("/")) path = path.Substring(0, path.Length - 1);
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if (PageState == null || reload == Reload.Site)
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{
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page = pages.FirstOrDefault(item => item.Path.Equals(path, StringComparison.OrdinalIgnoreCase));
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}
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else
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{
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page = PageState.Page;
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}
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// failsafe in case router cannot locate the home page for the site
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if (page == null && path == "")
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{
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page = pages.FirstOrDefault();
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path = page.Path;
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}
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// check if page has changed
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if (page != null && page.Path != path)
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{
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page = pages.Where(item => item.Path == path).FirstOrDefault();
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editmode = false;
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}
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if (page != null)
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{
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if (PageState == null)
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{
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editmode = false;
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}
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// check if user is authorized to view page
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if (UserSecurity.IsAuthorized(user, PermissionNames.View, page.Permissions))
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{
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page = await ProcessPage(page, site, user);
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if (PageState == null || reload == Reload.Site)
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{
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modules = await ModuleService.GetModulesAsync(site.SiteId);
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}
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else
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{
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modules = PageState.Modules;
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}
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(page, modules) = ProcessModules(page, modules, moduleid, action, (!string.IsNullOrEmpty(page.DefaultContainerType)) ? page.DefaultContainerType : site.DefaultContainerType);
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_pagestate = new PageState
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{
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Alias = alias,
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Site = site,
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Pages = pages,
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Page = page,
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User = user,
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Modules = modules,
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Uri = new Uri(_absoluteUri, UriKind.Absolute),
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QueryString = querystring,
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UrlParameters = urlparameters,
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ModuleId = moduleid,
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Action = action,
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EditMode = editmode,
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LastSyncDate = lastsyncdate,
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Runtime = runtime
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};
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OnStateChange?.Invoke(_pagestate);
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}
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}
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else
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{
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if (user == null)
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{
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// redirect to login page
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NavigationManager.NavigateTo(Utilities.NavigateUrl(alias.Path, "login", "?returnurl=" + path));
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}
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else
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{
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await LogService.Log(null, null, user.UserId, GetType().AssemblyQualifiedName, Utilities.GetTypeNameLastSegment(GetType().AssemblyQualifiedName, 1), LogFunction.Security, LogLevel.Error, null, "Page Does Not Exist Or User Is Not Authorized To View Page {Path}", path);
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if (path != "")
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{
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// redirect to home page
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NavigationManager.NavigateTo(Utilities.NavigateUrl(alias.Path, "", ""));
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}
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}
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}
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}
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else
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{
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// site does not exist
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}
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}
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private async void LocationChanged(object sender, LocationChangedEventArgs args)
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{
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_absoluteUri = args.Location;
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await Refresh();
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}
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Task IHandleAfterRender.OnAfterRenderAsync()
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{
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if (!_navigationInterceptionEnabled)
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{
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_navigationInterceptionEnabled = true;
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return NavigationInterception.EnableNavigationInterceptionAsync();
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}
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return Task.CompletedTask;
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}
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private Dictionary<string, string> ParseQueryString(string query)
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{
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Dictionary<string, string> querystring = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase); // case insensistive keys
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if (!string.IsNullOrEmpty(query))
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{
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if (query.StartsWith("?"))
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{
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query = query.Substring(1); // ignore "?"
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}
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foreach (string kvp in query.Split(new[] { '&' }, StringSplitOptions.RemoveEmptyEntries))
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{
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if (kvp != "")
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{
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if (kvp.Contains("="))
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{
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string[] pair = kvp.Split('=');
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querystring.Add(pair[0], pair[1]);
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}
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else
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{
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querystring.Add(kvp, "true"); // default parameter when no value is provided
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}
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}
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}
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}
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return querystring;
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}
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private async Task<Page> ProcessPage(Page page, Site site, User user)
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{
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try
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{
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if (page.IsPersonalizable && user != null)
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{
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// load the personalized page
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page = await PageService.GetPageAsync(page.PageId, user.UserId);
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}
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if (string.IsNullOrEmpty(page.ThemeType))
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{
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page.ThemeType = site.DefaultThemeType;
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}
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page.Panes = new List<string>();
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page.Resources = new List<Resource>();
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string panes = PaneNames.Admin;
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Type themetype = Type.GetType(page.ThemeType);
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if (themetype == null)
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{
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// fallback
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page.ThemeType = Constants.DefaultTheme;
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themetype = Type.GetType(Constants.DefaultTheme);
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}
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if (themetype != null)
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{
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var themeobject = Activator.CreateInstance(themetype) as IThemeControl;
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if (themeobject != null)
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{
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if (!string.IsNullOrEmpty(themeobject.Panes))
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{
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panes = themeobject.Panes;
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}
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page.Resources = ManagePageResources(page.Resources, themeobject.Resources);
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}
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}
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page.Panes = panes.Replace(";", ",").Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).ToList();
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}
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catch
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{
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// error loading theme or layout
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}
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return page;
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}
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private (Page Page, List<Module> Modules) ProcessModules(Page page, List<Module> modules, int moduleid, string action, string defaultcontainertype)
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{
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var paneindex = new Dictionary<string, int>();
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foreach (Module module in modules)
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{
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// initialize module control properties
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module.SecurityAccessLevel = SecurityAccessLevel.Host;
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module.ControlTitle = "";
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module.Actions = "";
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module.UseAdminContainer = false;
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module.PaneModuleIndex = -1;
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module.PaneModuleCount = 0;
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if ((module.PageId == page.PageId || module.ModuleId == moduleid))
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{
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var typename = Constants.ErrorModule;
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if (module.ModuleDefinition != null && (module.ModuleDefinition.Runtimes == "" || module.ModuleDefinition.Runtimes.Contains(GetRuntime().ToString())))
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{
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typename = module.ModuleDefinition.ControlTypeTemplate;
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// handle default action
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if (action == Constants.DefaultAction && !string.IsNullOrEmpty(module.ModuleDefinition.DefaultAction))
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{
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action = module.ModuleDefinition.DefaultAction;
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}
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// check if the module defines custom action routes
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if (module.ModuleDefinition.ControlTypeRoutes != "")
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{
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foreach (string route in module.ModuleDefinition.ControlTypeRoutes.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries))
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{
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if (route.StartsWith(action + "="))
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{
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typename = route.Replace(action + "=", "");
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}
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}
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}
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}
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// ensure component exists and implements IModuleControl
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module.ModuleType = "";
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if (Constants.DefaultModuleActions.Contains(action, StringComparer.OrdinalIgnoreCase))
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{
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typename = Constants.DefaultModuleActionsTemplate.Replace(Constants.ActionToken, action);
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}
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else
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{
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typename = typename.Replace(Constants.ActionToken, action);
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}
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Type moduletype = Type.GetType(typename, false, true); // case insensitive
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if (moduletype != null && moduletype.GetInterfaces().Contains(typeof(IModuleControl)))
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{
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module.ModuleType = Utilities.GetFullTypeName(moduletype.AssemblyQualifiedName); // get actual type name
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}
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// get additional metadata from IModuleControl interface
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if (moduletype != null && module.ModuleType != "")
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{
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// retrieve module component resources
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var moduleobject = Activator.CreateInstance(moduletype) as IModuleControl;
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page.Resources = ManagePageResources(page.Resources, moduleobject.Resources);
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if (action.ToLower() == "settings" && module.ModuleDefinition != null)
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{
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// settings components are embedded within a framework settings module
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moduletype = Type.GetType(module.ModuleDefinition.ControlTypeTemplate.Replace(Constants.ActionToken, action), false, true);
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if (moduletype != null)
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{
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moduleobject = Activator.CreateInstance(moduletype) as IModuleControl;
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page.Resources = ManagePageResources(page.Resources, moduleobject.Resources);
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}
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}
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// additional metadata needed for admin components
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if (module.ModuleId == moduleid && action != "")
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{
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module.SecurityAccessLevel = moduleobject.SecurityAccessLevel;
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module.ControlTitle = moduleobject.Title;
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module.Actions = moduleobject.Actions;
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module.UseAdminContainer = moduleobject.UseAdminContainer;
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}
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}
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// ensure module's pane exists in current page and if not, assign it to the Admin pane
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if (page.Panes == null || page.Panes.FindIndex(item => item.Equals(module.Pane, StringComparison.OrdinalIgnoreCase)) == -1)
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{
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module.Pane = PaneNames.Admin;
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}
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// calculate module position within pane
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if (paneindex.ContainsKey(module.Pane.ToLower()))
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{
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paneindex[module.Pane.ToLower()] += 1;
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}
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else
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{
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paneindex.Add(module.Pane.ToLower(), 0);
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}
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module.PaneModuleIndex = paneindex[module.Pane.ToLower()];
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// container fallback
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if (string.IsNullOrEmpty(module.ContainerType))
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{
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module.ContainerType = defaultcontainertype;
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}
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}
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}
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foreach (Module module in modules.Where(item => item.PageId == page.PageId))
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{
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if (paneindex.ContainsKey(module.Pane.ToLower()))
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{
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module.PaneModuleCount = paneindex[module.Pane.ToLower()] + 1;
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}
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}
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return (page, modules);
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}
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private List<Resource> ManagePageResources(List<Resource> pageresources, List<Resource> resources)
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{
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if (resources != null)
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{
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foreach (var resource in resources)
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{
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// ensure resource does not exist already
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if (pageresources.Find(item => item.Url == resource.Url) == null)
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{
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pageresources.Add(resource);
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}
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}
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}
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return pageresources;
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}
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private Oqtane.Shared.Runtime GetRuntime()
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=> RuntimeInformation.IsOSPlatform(OSPlatform.Create("BROWSER"))
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? Oqtane.Shared.Runtime.WebAssembly
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: Oqtane.Shared.Runtime.Server;
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}
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