src/SSCMS.Core/StlParser/StlElement/StlAudio.cs

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using System.Threading.Tasks;
using SSCMS.Core.StlParser.Attributes;
using SSCMS.Parse;
using SSCMS.Models;
using SSCMS.Services;
using SSCMS.Utils;
using System.Collections.Specialized;

namespace SSCMS.Core.StlParser.StlElement
{
    [StlElement(Title = "播放音频", Description = "通过 stl:audio 标签在模板中显示并播放音频文件")]
    public static class StlAudio
    {
        public const string ElementName = "stl:audio";
        public const string EditorPlaceHolder1 = @"src=""/sitefiles/assets/images/audio-clip.png""";
        public const string EditorPlaceHolder2 = @"src=""@sitefiles/assets/images/audio-clip.png""";

        [StlAttribute(Title = "指定存储音频地址的内容字段，默认为VideoUrl")]
        private const string Type = nameof(Type);

        [StlAttribute(Title = "音频地址，优先级高于type属性")]
        public const string PlayUrl = nameof(PlayUrl);

        [StlAttribute(Title = "是否自动播放")]
        public const string IsAutoPlay = nameof(IsAutoPlay);

        [StlAttribute(Title = "是否预载入")]
        private const string IsPreload = nameof(IsPreload);

        [StlAttribute(Title = "是否循环播放")]
        private const string IsLoop = nameof(IsLoop);

        public static async Task<object> ParseAsync(IParseManager parseManager)
        {
            var type = nameof(Content.VideoUrl);
            var playUrl = string.Empty;
            var isAutoPlay = false;
            var isPreLoad = true;
            var isLoop = false;
            var attributes = new NameValueCollection();

            foreach (var name in parseManager.ContextInfo.Attributes.AllKeys)
            {
                var value = parseManager.ContextInfo.Attributes[name];

                if (StringUtils.EqualsIgnoreCase(name, Type))
                {
                    type = value;
                }
                else if (StringUtils.EqualsIgnoreCase(name, PlayUrl) || StringUtils.EqualsIgnoreCase(name, "src"))
                {
                    playUrl = value;
                }
                else if (StringUtils.EqualsIgnoreCase(name, IsAutoPlay) || StringUtils.EqualsIgnoreCase(name, "play"))
                {
                    isAutoPlay = TranslateUtils.ToBool(value, false);
                }
                else if (StringUtils.EqualsIgnoreCase(name, IsPreload))
                {
                    isPreLoad = TranslateUtils.ToBool(value, true);