oqtane.framework/Oqtane.Client/Modules/Admin/Themes/Create.razor

@namespace Oqtane.Modules.Admin.Themes
@inherits ModuleBase
@using System.Text.RegularExpressions
@inject NavigationManager NavigationManager
@inject IThemeService ThemeService
@inject IModuleService ModuleService
@inject IPageModuleService PageModuleService
@inject ISettingService SettingService
@inject IStringLocalizer<Index> Localizer

@if (_templates != null)
{
    <table class="table table-borderless">
        <tr>
            <td>
                <Label For="owner" HelpText="Enter the name of the organization who is developing this theme. It should not contain spaces or punctuation." ResourceKey="OwnerName">Owner Name: </Label>
            </td>
            <td>
                <input id="owner" class="form-control" @bind="@_owner" />
            </td>
        </tr>
        <tr>
            <td>
                <Label For="module" HelpText="Enter a name for this theme. It should not contain spaces or punctuation." ResourceKey="ThemeName">Theme Name: </Label>
            </td>
            <td>
                <input id="module" class="form-control" @bind="@_theme" />
            </td>
        </tr>
        <tr>
            <td>
                <Label For="template" HelpText="Select a theme template. Templates are located in the wwwroot/Themes/Templates folder on the server." ResourceKey="Template">Template: </Label>
            </td>
            <td>
                <select id="template" class="form-control" @onchange="(e => TemplateChanged(e))">
                    <option value="-">&lt;@Localizer["Select Template"]&gt;</option>
                    @foreach (Template template in _templates)
                    {
                        <option value="@template.Name">@template.Title</option>
                    }
                </select>
            </td>
        </tr>
        <tr>
            <td>
                <Label For="reference" HelpText="Select a framework reference version" ResourceKey="FrameworkReference">Framework Reference: </Label>
            </td>
            <td>
                <select id="reference" class="form-control" @bind="@_reference">
                    @foreach (string version in _versions)
                    {
                        if (Version.Parse(version).CompareTo(Version.Parse(_minversion)) >= 0)
                        {
                            <option value="@(version)">@(version)</option>
                        }
                    }
                    <option value="local">@Localizer["Local Version"]</option>
                </select>
            </td>
        </tr>
        @if (!string.IsNullOrEmpty(_location))
        {
            <tr>
                <td>
                    <Label For="location" HelpText="Location where the theme will be created" ResourceKey="Location">Location: </Label>
                </td>
                <td>
                    <input id="module" class="form-control" @bind="@_location" readonly />
                </td>
            </tr>
        }
    </table>
    <button type="button" class="btn btn-success" @onclick="CreateTheme">@Localizer["Create Theme"]</button>
    <NavLink class="btn btn-secondary" href="@NavigateUrl()">@Localizer["Cancel"]</NavLink>
}

@code {
    private string _owner = string.Empty;
    private string _theme = string.Empty;
    private List<Template> _templates;
    private string _template = "-";
    private string[] _versions;
    private string _reference = Constants.Version;
    private string _minversion = "2.0.0";
    private string _location = string.Empty;

    public override SecurityAccessLevel SecurityAccessLevel => SecurityAccessLevel.Host;

    protected override async Task OnParametersSetAsync()
    {
        try
        {
            _templates = await ThemeService.GetThemeTemplatesAsync();
            _versions = Constants.ReleaseVersions.Split(',').Where(item => Version.Parse(item).CompareTo(Version.Parse("2.0.0")) >= 0).ToArray();
            AddModuleMessage(Localizer["Please Note That The Theme Creator Is Only Intended To Be Used In A Development Environment"], MessageType.Info);
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Loading Theme Creator");
        }
    }

    private async Task CreateTheme()
    {
        try
        {
            if (IsValid(_owner) && IsValid(_theme) && _owner != _theme && _template != "-")
            {
                var theme = new Theme { Owner = _owner, Name = _theme, Template = _template, Version = _reference };
                theme = await ThemeService.CreateThemeAsync(theme);
                GetLocation();
                AddModuleMessage(Localizer["The Source Code For Your Theme Has Been Created At The Location Specified Below And Must Be Compiled In Order To Make It Functional. Once It Has Been Compiled You Must <a href=\"{0}\">Restart</a> Your Application To Activate The Module.", NavigateUrl("admin/system")], MessageType.Success);
            }
            else
            {
                AddModuleMessage(Localizer["You Must Provide A Valid Owner Name And Theme Name ( ie. No Punctuation Or Spaces And The Values Cannot Be The Same ) And Choose A Template"], MessageType.Warning);
            }
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Creating Theme");
        }
    }

    private bool IsValid(string name)
    {
        // must contain letters, underscores and digits and first character must be letter or underscore
        return !string.IsNullOrEmpty(name) && name.ToLower() != "theme" && Regex.IsMatch(name, "^[A-Za-z_][A-Za-z0-9_]*$");
    }

    private void TemplateChanged(ChangeEventArgs e)
    {
        _template = (string)e.Value;
        _minversion = "2.0.0";
        if (_template != "-")
        {
            var template = _templates.FirstOrDefault(item => item.Name == _template);
            _minversion = template.Version;
        }
        GetLocation();
    }

    private void GetLocation()
    {
        _location = string.Empty;
        if (_owner != "" && _theme != "" && _template != "-")
        {
            var template = _templates.FirstOrDefault(item => item.Name == _template);
            _location = template.Location + _owner + "." + _theme;

        }
        StateHasChanged();
    }
}