/// <summary>
/// Tries to get the value for the specified key.
/// </summary>
/// <remarks>
/// This method will also materialize <see cref="IMetadataValue"/> and
/// evaluate script strings (a key that starts with "=>" will be treated
/// as a script and evaluated).
/// </remarks>
/// <param name="metadata">The metadata instance.</param>
/// <typeparam name="TValue">The desired return type.</typeparam>
/// <param name="key">The key of the value to get. If the key is <c>null</c>, this will return the default value.</param>
/// <param name="value">The value of the key if it was found and could be converted to the desired return type.</param>
/// <returns><c>true</c> if the key was found and the value could be converted to the desired return type, <c>false</c> otherwise.</returns>
public static bool TryGetValue <TValue>(
this IMetadata metadata,
string key,
out TValue value)
{
if (metadata != null && key != null)
{
// Script
if (IScriptHelper.TryGetScriptString(key, out string script))
{
IExecutionContext context = IExecutionContext.Current;
object result = context.ScriptHelper.EvaluateAsync(script, metadata).GetAwaiter().GetResult();
return(TypeHelper.TryExpandAndConvert(result, metadata, out value));
}
// Value
if (metadata.TryGetRaw(key, out object raw))
{
return(TypeHelper.TryExpandAndConvert(raw, metadata, out value));
}
}
value = default;
return(false);
}
public void InitializeScripts(IScriptHelper withThisHelper)
{
foreach (var s in this.ftpFileScripts)
{
s.Initialize(withThisHelper);
}
foreach (var x in this.ftpFolderScripts)
{
x.Initialize(withThisHelper);
}
foreach (var script in this.fileScripts)
{
script.Initialize(withThisHelper);
}
foreach (var script in this.folderScripts)
{
script.Initialize(withThisHelper);
}
foreach (var script in this.ServiceScripts)
{
script.Initialize(withThisHelper);
}
}
public static bool TryGetScriptMetadataValue(string key, object value, IExecutionState executionState, out ScriptMetadataValue scriptMetadataValue)
{
scriptMetadataValue = default;
if (value is string stringValue && IScriptHelper.TryGetScriptString(stringValue, out string script))
{
scriptMetadataValue = new ScriptMetadataValue(
key,
stringValue.Substring(0, stringValue.Length - script.Length),
script,
executionState);
return(true);
}
return(false);
}
/// <summary>
/// Initializes a new instance of the <see cref="Keeper.OfScripts.ScriptKeeper"/> class.
/// </summary>
/// <param name='scriptHelper'>
/// The script helper that is responsible for resolving paths, etc.
/// </param>
/// <exception cref='ArgumentNullException'>
/// Thrown when <paramref name="scriptHelper"/> is <see langword="null" /> .
/// </exception>
public ScriptKeeper(IScriptHelper scriptHelper)
{
if (scriptHelper == null)
{
throw new ArgumentNullException("scriptHelper");
}
_Helper = scriptHelper;
_Local = new LocalScriptGroup {
Name = "Local", Helper = _Helper.Local
};
_Remote = new RemoteScriptGroup {
Name = "Remote"
};
_Inline = new InlineScriptGroup {
Name = "Inline"
};
}
public Dir2ArkApp(IScriptHelper scriptHelper)
{
ScriptHelper = scriptHelper;
}
public BodyTagHelper(IScriptHelper scriptHelper)
{
_scriptHelper = scriptHelper;
}
public UtbTagHelper(IHtmlGenerator htmlGenerator, IScriptHelper scriptHelper, IUtbService baseService)
{
_htmlGenerator = htmlGenerator;
_scriptHelper = scriptHelper;
_baseService = baseService;
}
public Ark2DirApp(IScriptHelper scriptHelper)
{
ScriptHelper = scriptHelper;
}
public AEStrategy(IScriptHelper helper) : base(helper)
{
}
public ClickStrategy(IScriptHelper helper) : base(helper)
{
}
public TableNameTagHelper(IScriptHelper scriptHelper)
{
_scriptHelper = scriptHelper;
}
public DateTagHelper(IHtmlGenerator htmlGenerator, IScriptHelper scriptHelper)
{
_htmlGenerator = htmlGenerator;
_scriptHelper = scriptHelper;
}
public DropDownTagHelper(IHtmlGenerator htmlGenerator, IScriptHelper scriptHelper)
{
_scriptHelper = scriptHelper;
_htmlGenerator = htmlGenerator;
}
public SwipeStrategy(IScriptHelper helper) : base(helper)
{
}
public void InitializeScripts(IScriptHelper withThisHelper)
{
foreach (var s in this.ftpFileScripts)
{
s.Initialize(withThisHelper);
}
foreach (var x in this.ftpFolderScripts)
{
x.Initialize(withThisHelper);
}
foreach ( var script in this.fileScripts )
{
script.Initialize( withThisHelper );
}
foreach ( var script in this.folderScripts )
{
script.Initialize( withThisHelper );
}
foreach (var script in this.ServiceScripts)
{
script.Initialize(withThisHelper);
}
}
public ActionGroupStrategy(IActionToScriptFactory actionToScriptFactory, IScriptHelper helper) : base(helper)
{
this.actionToScriptFactory = actionToScriptFactory;
}
public void Initialize(IScriptHelper x)
{
this.scriptHelper = x;
}
public AutoSaveTagHelper(IScriptHelper scriptHelper, IHttpContextAccessor httpContextAccessor)
{
_scriptHelper = scriptHelper;
_httpContextAccessor = httpContextAccessor;
}
public Dir2ArkApp(ICacheHelper cacheHelper, IScriptHelper scriptHelper)
{
CacheHelper = cacheHelper;
ScriptHelper = scriptHelper;
}
public WaitStrategy(IScriptHelper helper) : base(helper)
{
}
public DeleteRecordTagHelper(IScriptHelper scriptHelper, IHttpContextAccessor httpContextAccessor)
{
_scriptHelper = scriptHelper;
_httpContextAccessor = httpContextAccessor;
}
public BaseScriptGenerateStragegy(IScriptHelper helper)
{
this.helper = helper;
}
public PatchCreatorApp(IScriptHelper scriptHelper)
{
ScriptHelper = scriptHelper;
}
public PieDoughnutChartTagHelper(IScriptHelper scriptHelper)
{
_scriptHelper = scriptHelper;
}
public LineChartTagHelper(IScriptHelper scriptHelper)
{
_scriptHelper = scriptHelper;
}
public void Initialize(IScriptHelper x)
{
this.scriptHelper = x;
}