oqtane.framework/Oqtane.Client/Modules/HtmlText/Edit.razor

@using Oqtane.Modules.HtmlText.Services
@using Oqtane.Modules.HtmlText.Models
@using Oqtane.Modules.Controls
@namespace Oqtane.Modules.HtmlText
@inherits ModuleBase
@inject IHtmlTextService HtmlTextService
@inject ISettingService SettingService
@inject NavigationManager NavigationManager
@inject IStringLocalizer<Edit> Localizer
@inject IStringLocalizer<SharedResources> SharedLocalizer

<TabStrip>
    <TabPanel Name="Edit" Heading="Edit" ResourceKey="Edit">
		@if (_content != null)
		{
			<RichTextEditor Content="@_content" @ref="@RichTextEditorHtml"></RichTextEditor>
			<br />
			<button type="button" class="btn btn-success" @onclick="SaveContent">@SharedLocalizer["Save"]</button>
			<NavLink class="btn btn-secondary" href="@NavigateUrl()">@SharedLocalizer["Cancel"]</NavLink>
			@if (!string.IsNullOrEmpty(_content))
			{
				<br />
				<br />
				<AuditInfo CreatedBy="@_createdby" CreatedOn="@_createdon" ModifiedBy="@_modifiedby" ModifiedOn="@_modifiedon"></AuditInfo>
			}
		}
	</TabPanel>
    <TabPanel Name="Versions" Heading="Versions" ResourceKey="Versions">
		<Pager Items="@_htmltexts">
			<Header>
				<th style="width: 1px;">&nbsp;</th>
				<th style="width: 1px;">&nbsp;</th>
				<th style="width: 1px;">&nbsp;</th>
				<th>@SharedLocalizer["CreatedOn"]</th>
				<th>@SharedLocalizer["CreatedBy"]</th>
			</Header>
			<Row>
				<td><ActionLink Action="View" Security="SecurityAccessLevel.Edit" OnClick="@(async () => await View(context))" ResourceKey="View" /></td>
				<td><ActionDialog Header="Restore Version" Message="@string.Format(Localizer["Confirm.Restore"], context.CreatedOn)" Action="Restore" Security="SecurityAccessLevel.Edit" Class="btn btn-success" OnClick="@(async () => await Restore(context))" ResourceKey="Restore" /></td>
				<td><ActionDialog Header="Delete Version" Message="@string.Format(Localizer["Confirm.Delete"], context.CreatedOn)" Action="Delete" Security="SecurityAccessLevel.Edit" Class="btn btn-danger" OnClick="@(async () => await Delete(context))" ResourceKey="Delete" /></td>
				<td>@context.CreatedOn</td>
				<td>@context.CreatedBy</td>
			</Row>
		</Pager>
		@((MarkupString)_view)
	</TabPanel>
</TabStrip>

@code {
    public override SecurityAccessLevel SecurityAccessLevel => SecurityAccessLevel.Edit;

    public override string Title => "Edit Html/Text";

    private RichTextEditor RichTextEditorHtml;
    private string _content = null;
    private string _createdby;
    private DateTime _createdon;
    private string _modifiedby;
    private DateTime _modifiedon;
    private List<Models.HtmlText> _htmltexts;
    private string _view = "";

    protected override async Task OnInitializedAsync()
    {
        try
        {
            await LoadContent();
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Loading Content {Error}", ex.Message);
            AddModuleMessage(Localizer["Error.Content.Load"], MessageType.Error);
        }
    }

    private async Task LoadContent()
    {
		var htmltext = await HtmlTextService.GetHtmlTextAsync(ModuleState.ModuleId);
		if (htmltext != null)
		{
			_content = htmltext.Content;
			_content = Utilities.FormatContent(_content, PageState.Alias, "render");
			_createdby = htmltext.CreatedBy;
			_createdon = htmltext.CreatedOn;
			_modifiedby = htmltext.ModifiedBy;
			_modifiedon = htmltext.ModifiedOn;
		}
		else
		{
			_content = string.Empty;
		}

		_htmltexts = await HtmlTextService.GetHtmlTextsAsync(ModuleState.ModuleId);
		_htmltexts = _htmltexts.OrderByDescending(item => item.CreatedOn).ToList();

		_view = "";
	}

	private async Task SaveContent()
	{
		string content = await RichTextEditorHtml.GetHtml();
		content = Utilities.FormatContent(content, PageState.Alias, "save");

		try
		{
			var htmltext = new HtmlText();
			htmltext.ModuleId = ModuleState.ModuleId;
			htmltext.Content = content;
			await HtmlTextService.AddHtmlTextAsync(htmltext);

			await logger.LogInformation("Content Saved {HtmlText}", htmltext);
			NavigationManager.NavigateTo(NavigateUrl());
		}
		catch (Exception ex)
		{
			await logger.LogError(ex, "Error Saving Content {Error}", ex.Message);
			AddModuleMessage(Localizer["Error.Content.Save"], MessageType.Error);
		}
	}

	private async Task View(Models.HtmlText htmltext)
	{
		try
		{
			htmltext = await HtmlTextService.GetHtmlTextAsync(htmltext.HtmlTextId, htmltext.ModuleId);
			if (htmltext != null)
			{
				_view = htmltext.Content;
				_view = Utilities.FormatContent(_view, PageState.Alias, "render");
				StateHasChanged();
			}		
		}
		catch (Exception ex)
		{
			await logger.LogError(ex, "Error Viewing Content {Error}", ex.Message);
			AddModuleMessage(Localizer["Error.Content.View"], MessageType.Error);
		}
	}

	private async Task Restore(Models.HtmlText htmltext)
	{
		try
		{
			htmltext = await HtmlTextService.GetHtmlTextAsync(htmltext.HtmlTextId, ModuleState.ModuleId);
			if (htmltext != null)
			{
				var content = htmltext.Content;
				htmltext = new HtmlText();
				htmltext.ModuleId = ModuleState.ModuleId;
				htmltext.Content = content;
				await HtmlTextService.AddHtmlTextAsync(htmltext);
				await logger.LogInformation("Content Restored {HtmlText}", htmltext);
				AddModuleMessage(Localizer["Message.Content.Restored"], MessageType.Success);
				await LoadContent();
				StateHasChanged();
			}				
		}
		catch (Exception ex)
		{
			await logger.LogError(ex, "Error Restoring Content {Error}", ex.Message);
			AddModuleMessage(Localizer["Error.Content.Restore"], MessageType.Error);
		}
	}

	private async Task Delete(Models.HtmlText htmltext)
	{
		try
		{
			htmltext = await HtmlTextService.GetHtmlTextAsync(htmltext.HtmlTextId, ModuleState.ModuleId);
			if (htmltext != null)
			{
				await HtmlTextService.DeleteHtmlTextAsync(htmltext.HtmlTextId, htmltext.ModuleId);
				await logger.LogInformation("Content Deleted {HtmlText}", htmltext);
				AddModuleMessage(Localizer["Message.Content.Deleted"], MessageType.Success);
				await LoadContent();
				StateHasChanged();
			}		
		}
		catch (Exception ex)
		{
			await logger.LogError(ex, "Error Deleting Content {Error}", ex.Message);
			AddModuleMessage(Localizer["Error.Content.Delete"], MessageType.Error);
		}
	}
}