/// <summary>
/// Handles logic for updating all the form sections as well as attributes.
/// This will create any new items and delete any removed items as well.
/// </summary>
/// <param name="formSettings">The form settings that contain all the configuration information.</param>
/// <param name="actionForm">The <see cref="WorkflowActionForm"/> entity being updated.</param>
/// <param name="workflowType">The <see cref="WorkflowType"/> that is being updated.</param>
/// <param name="rockContext">The database context to operate in.</param>
private static void UpdateFormSections(FormSettingsViewModel formSettings, WorkflowActionForm actionForm, WorkflowType workflowType, RockContext rockContext)
{
var attributeService = new AttributeService(rockContext);
var formAttributeService = new WorkflowActionFormAttributeService(rockContext);
var formSectionService = new WorkflowActionFormSectionService(rockContext);
var nextAttributeOrder = actionForm.FormAttributes != null && actionForm.FormAttributes.Any()
? actionForm.FormAttributes.Select(a => a.Order).Max() + 1
: 0;
if (formSettings.Sections != null)
{
// Get all the section identifiers that are sticking around.
var allValidSectionGuids = formSettings.Sections
.Select(s => s.Guid)
.ToList();
// Get all the attribute identifiers that are sticking around.
var allValidAttributeGuids = formSettings.Sections
.SelectMany(s => s.Fields)
.Select(f => f.Guid)
.ToList();
// Find all sections that no longer exist in this form.
var sectionsToDelete = actionForm.FormSections
.Where(s => !allValidSectionGuids.Contains(s.Guid))
.ToList();
// Find all form attributes that no longer exist in this form.
var formAttributesToDelete = actionForm.FormAttributes
.Where(a => !allValidAttributeGuids.Contains(a.Attribute.Guid))
.ToList();
var allFormFields = formSettings.Sections.SelectMany(s => s.Fields).ToList();
// Delete all sections that no longer exist in this form.
sectionsToDelete.ForEach(s =>
{
formSectionService.Delete(s);
});
// Delete all form attributes that no longer exist in this form.
formAttributesToDelete.ForEach(a =>
{
if (a.Attribute.IsSystem)
{
attributeService.Delete(a.Attribute);
}
formAttributeService.Delete(a);
});
// Loop through all sections that need to be either added or updated.
for (int sectionOrder = 0; sectionOrder < formSettings.Sections.Count; sectionOrder++)
{
var section = formSettings.Sections[sectionOrder];
var formSection = AddOrUpdateFormSection(actionForm, workflowType, attributeService, formAttributeService, formSectionService, section, allFormFields, ref nextAttributeOrder);
formSection.Order = sectionOrder;
}
}
else
{
// Remove all form attributes and sections.
var nonUserAttributes = actionForm.FormAttributes
.Select(a => a.Attribute)
.Where(a => a.IsSystem)
.ToList();
attributeService.DeleteRange(nonUserAttributes);
formAttributeService.DeleteRange(actionForm.FormAttributes);
formSectionService.DeleteRange(actionForm.FormSections);
}
}