public static void SetFilterGlobalParameterValue(this DbContext context, string filterName, string parameterName, object value)
{
// This is null when called during filter creation in OnModelCreating
if (context != null)
{
context.Database.Initialize(false);
}
filterName = ScrubFilterName(filterName);
if (string.IsNullOrEmpty(parameterName))
{
parameterName = GetDefaultParameterNameForFilter(filterName);
}
_GlobalParameterValues.AddOrUpdate(filterName,
(f) =>
{
var newValues = new DynamicFilterParameters();
newValues.SetParameter(parameterName, value);
return(newValues);
},
(f, currValues) =>
{
currValues.SetParameter(parameterName, value);
return(currValues);
});
}
/// <summary>
/// Globally disable the filter. Can be enabled as needed via DbContext.EnableFilter().
/// </summary>
/// <param name="modelBuilder"></param>
/// <param name="filterName"></param>
public static void DisableFilterGlobally(this DbModelBuilder modelBuilder, string filterName)
{
filterName = ScrubFilterName(filterName);
_GlobalParameterValues.AddOrUpdate(filterName,
(f) =>
{
var newValues = new DynamicFilterParameters();
newValues.Enabled = false;
return(newValues);
},
(f, currValues) =>
{
currValues.Enabled = false;
return(currValues);
});
}
/// <summary>
/// Set the parameter for a filter within the current DbContext scope. Once the DbContext is disposed, this
/// parameter will no longer be in scope and will be removed.
/// </summary>
/// <param name="context"></param>
/// <param name="filterName"></param>
/// <param name="parameterName"></param>
/// <param name="value"></param>
public static void SetFilterScopedParameterValue(this DbContext context, string filterName, string parameterName, object value)
{
context.Database.Initialize(false);
filterName = ScrubFilterName(filterName);
var filterParams = GetOrCreateScopedFilterParameters(context, filterName);
if (string.IsNullOrEmpty(parameterName))
{
parameterName = GetDefaultParameterNameForFilter(filterName);
}
DynamicFilterParameters globalFilterParams = _GlobalParameterValues[filterName]; // Already validated that this exists.
if (!globalFilterParams.ParameterValues.ContainsKey(parameterName))
{
throw new ApplicationException(string.Format("Parameter {0} not found in Filter {1}", parameterName, filterName));
}
filterParams.SetParameter(parameterName, value);
}