public void Copy(FieldValue obj)
{
if (obj == null)
return;
// copy all of the properties
foreach (PropertyInfo pi in obj.GetType().GetProperties())
{
// get the value of the property
var val = pi.GetValue(obj, null);
pi.SetValue(this, val, null);
}
}
public object GetFieldValue(Field field)
{
PropertyInfo pi = null;
object currentValue = null;
// get the current field value.
// the value can either be in a strongly-typed property on the item (e.g. Name),
// or in one of the FieldValues
try
{
// get the strongly typed property
pi = this.GetType().GetProperty(field.Name);
if (pi != null)
{
currentValue = pi.GetValue(this, null);
}
}
catch (Exception)
{
// an exception indicates this isn't a strongly typed property on the Item
// this is NOT an error condition
}
// if couldn't find a strongly typed property, this property could be stored as a
// FieldValue on the item
if (pi == null)
{
// get current item's value for this field
FieldValue fieldValue = this.FieldValues.FirstOrDefault(fv => fv.FieldName == field.Name);
if (fieldValue != null)
{
currentValue = fieldValue.Value;
}
}
return(currentValue);
}
public FieldValue(FieldValue fieldValue)
{
Copy(fieldValue);
}
private FieldValue GetGroceryCategoryFieldValue(Item item, bool create = false)
{
// get or create the list for Grocery item types in the UserFolder
var knownGroceryItems = storage.UserFolder.GetListForItemType(user, SystemItemTypes.Grocery);
if (knownGroceryItems == null)
return null;
Item groceryItem = null;
FieldValue groceryCategoryFV = null;
// get the normalized name for the grocery (stored in Intent) or resort to lowercased item name
var intentFV = item.GetFieldValue(ExtendedFieldNames.Intent);
var itemName = intentFV != null && intentFV.Value != null ? intentFV.Value : item.Name.ToLower();
if (storage.Items.Any(i => i.Name == itemName && i.ParentID == knownGroceryItems.ID))
{
groceryItem = storage.Items.Include("FieldValues").Single(i => i.Name == itemName && i.ParentID == knownGroceryItems.ID);
groceryCategoryFV = groceryItem.GetFieldValue(FieldNames.Category, true);
}
else if (create)
{
// create grocery item category item
DateTime now = DateTime.UtcNow;
var groceryCategoryItemID = Guid.NewGuid();
groceryCategoryFV = new FieldValue()
{
ItemID = groceryCategoryItemID,
FieldName = FieldNames.Category,
Value = null,
};
groceryItem = new Item()
{
ID = groceryCategoryItemID,
Name = itemName,
FolderID = knownGroceryItems.FolderID,
UserID = user.ID,
ItemTypeID = SystemItemTypes.NameValue,
ParentID = knownGroceryItems.ID,
Created = now,
LastModified = now,
FieldValues = new List<FieldValue>() { groceryCategoryFV }
};
storage.Items.Add(groceryItem);
}
return groceryCategoryFV;
}
public FieldValue GetFieldValue(string fieldName, bool create = false)
{
if (this.FieldValues != null)
{
foreach (var fv in this.FieldValues)
{
if (fv.FieldName.Equals(fieldName)) { return fv; }
}
}
if (create == true)
{
FieldValue fv = new FieldValue() { FieldName = fieldName, ItemID = this.ID };
if (this.FieldValues == null) { this.FieldValues = new List<FieldValue>(); }
this.FieldValues.Add(fv);
return fv;
}
return null;
}
public FieldValue(FieldValue fieldValue)
{
Copy(fieldValue);
}
