public async Task<ActionResult> Create(EditViewModel viewModel)
{
return await EditPostCore(viewModel);
}
public async Task<ActionResult> Edit(int id)
{
var userId = GetUserId();
var context = this.DbContext;
var filter = await context.Filters
.Include(o => o.FilterProperties)
.Where(o => o.FilterId == id && o.UserId == userId)
.FirstOrDefaultAsync();
if (filter == null)
return HttpNotFound("Could not find filter.");
var viewModel = new EditViewModel();
InitializeEditViewModel(viewModel, filter);
return View(viewModel);
}
private bool ApplyEdits(EditViewModel viewModel, GMailLabelCleanup.Data.Models.Filters.Filter filter)
{
System.Diagnostics.Debug.Assert(viewModel != null);
System.Diagnostics.Debug.Assert(filter != null);
bool hasChanges = false;
//Apply high level properties
if (!string.Equals(filter.Description, viewModel.Description))
{
filter.Description = viewModel.Description;
hasChanges = true;
}
foreach (var item in viewModel.ActionProperties.Concat(viewModel.CriteriaProperties).Where(o => o.IsCheckType))
{
item.Value = item.IsChecked ? "true" : "false";
}
/*
* New properties:
* ViewModel properties that are included and whose
* name does not appear in the Filter.FilterProperties.
*
* Updated properies:
* ViewModel properties whose
* name appears in the Filter.FilterProperties.
*/
var existingPropertyNames = filter.FilterProperties
.Select(o => o.Name)
.ToHashSet();
var allProperties = viewModel.CriteriaProperties
.Concat(viewModel.ActionProperties)
.ToArray();
var newProperties = allProperties
.Where(o => !existingPropertyNames.Contains(o.Name));
var updatedProperties = allProperties
.Where(o => existingPropertyNames.Contains(o.Name));
var dateCreated = DateTime.UtcNow;
foreach (var item in updatedProperties)
{
var matches = filter.FilterProperties
.Where(o => string.Equals(o.Name, item.Name) && (!string.Equals(o.Value, item.Value) || o.IsIncluded != item.IsIncluded))
.ToArray();
foreach (var match in matches)
{
match.IsIncluded = item.IsIncluded;
match.Value = item.Value;
hasChanges = true;
}
}
foreach (var item in newProperties)
{
filter.FilterProperties.Add(new FilterProperty
{
IsIncluded = item.IsIncluded,
Name = item.Name,
Value = item.Value,
DateCreatedUtc = dateCreated
});
hasChanges = true;
}
return hasChanges;
}
public ActionResult Create()
{
var viewModel = new EditViewModel();
InitializeEditViewModel(viewModel, null);
return View(viewModel);
}
private void ValidateProperties(EditViewModel viewModel)
{
System.Diagnostics.Debug.Assert(viewModel != null);
if (!viewModel.CriteriaProperties.Any(o => o.IsIncluded))
{
ModelState.AddModelError("CriteriaProperties", "At least one criteria must be applied.");
}
if (!viewModel.ActionProperties.Any(o => o.IsIncluded))
{
ModelState.AddModelError("ActionProperties", "At least one action must be applied.");
}
}
private async Task<ActionResult> EditPostCore(EditViewModel viewModel)
{
System.Diagnostics.Debug.Assert(viewModel != null);
ValidateProperties(viewModel);
if (!ModelState.IsValid)
{
InitializeEditSelectLists(viewModel);
return View(viewModel);
}
var userId = GetUserId();
var context = this.DbContext;
var isNew = viewModel.Id == 0;
GMailLabelCleanup.Data.Models.Filters.Filter filter;
if (!isNew)
{
filter = await context.Filters
.Include(o => o.FilterProperties)
.Where(o => o.FilterId == viewModel.Id && o.UserId == userId)
.FirstOrDefaultAsync();
if (filter == null)
return HttpNotFound("Could not find filter.");
}
else
{
filter = new GMailLabelCleanup.Data.Models.Filters.Filter
{
UserId = userId,
DateCreatedUtc = DateTime.UtcNow,
Description = viewModel.Description,
FilterProperties = new List<FilterProperty>()
};
}
if (isNew)
{
context.Filters.Add(filter);
}
if (ApplyEdits(viewModel, filter) || isNew)
{
await context.SaveChangesAsync();
if (isNew)
{
await Task.Run(() => new TelemetryClient().TrackEvent("CreateFilter"));
}
else
{
await Task.Run(() => new TelemetryClient().TrackEvent("EditFilter"));
}
}
return RedirectToAction("Index");
}
private void InitializeEditProperties(EditViewModel viewModel, IList<FilterProperty> properties)
{
System.Diagnostics.Debug.Assert(viewModel != null);
System.Diagnostics.Debug.Assert(properties != null);
var component = new MessageFilterComponent();
viewModel.CriteriaProperties = new List<EditPropertyViewModel>();
viewModel.ActionProperties = new List<EditPropertyViewModel>();
foreach (var pair in MessageFilterComponent.CriteriaPropertyNames)
{
var existingProperty = properties
.FirstOrDefault(o => o.Name == pair.Value);
viewModel.CriteriaProperties.Add(CreateEditPropertyViewModel(component, existingProperty, pair.Value));
}
foreach (var pair in MessageFilterComponent.ActionPropertyNames)
{
var existingProperty = properties
.FirstOrDefault(o => o.Name == pair.Value);
viewModel.ActionProperties.Add(CreateEditPropertyViewModel(component, existingProperty, pair.Value));
}
}
private void InitializeEditSelectLists(EditViewModel viewModel)
{
System.Diagnostics.Debug.Assert(viewModel != null);
var smartLabels = new SelectList(new[]
{
new { ID = (int)SmartLabelType.Personal, Name = "Personal" },
new { ID = (int)SmartLabelType.Social, Name = "Social" },
new { ID = (int)SmartLabelType.Promotions, Name = "Promotions" },
new { ID = (int)SmartLabelType.Notification, Name = "Updates" },
new { ID = (int)SmartLabelType.Group, Name = "Forums" }
}, "ID", "Name");
var sizeUnits = new SelectList(new[]
{
new { ID = (int)SizeUnitType.MB, Name = "MB" },
new { ID = (int)SizeUnitType.KB, Name = "KB" },
new { ID = (int)SizeUnitType.Byte, Name = "Bytes" }
}, "ID", "Name");
var sizeOperators = new SelectList(new[]
{
new { ID = (int)SizeOperatorType.GreaterThan, Name = "Greater than" },
new { ID = (int)SizeOperatorType.LessThan, Name = "Less than" }
}, "ID", "Name");
viewModel.SmartLabels = smartLabels;
viewModel.SizeOperators = sizeOperators;
viewModel.SizeUnits = sizeUnits;
}
private void InitializeEditViewModel(EditViewModel viewModel, GMailLabelCleanup.Data.Models.Filters.Filter filter)
{
System.Diagnostics.Debug.Assert(viewModel != null);
viewModel.Id = filter != null ? filter.FilterId : 0;
viewModel.Description = filter != null ? filter.Description : string.Empty;
InitializeEditSelectLists(viewModel);
InitializeEditProperties(viewModel, filter != null ? filter.FilterProperties : new FilterProperty[] { });
}
