private void AssignPropertiesToListItem <T>(T entity, ListItem listItem)
{
Type entityType = typeof(T);
foreach (var property in entityType.GetProperties())
{
try
{
if (!property.CanRead)
{
continue;
}
if (property.GetCustomAttribute <IgnoreOnInsertAttribute>() != null)
{
continue;
}
var value = EntityHelper.GetItemValueFromProperty(property, entity);
if (property.PropertyType == typeof(DateTime))
{
var year = ((DateTime)value).Year;
if (year < 1900 || year > 8900)
{
throw new ArgumentOutOfRangeException("SharePoint-Datetime must be within 1900 and 8900");
}
}
if (value != null)
{
listItem[EntityHelper.GetInternalNameFromProperty(property)] = value;
}
}
catch (Exception ex)
{
ex.Data.Add("Propertyname", property.Name);
ex.Data.Add("Listname", listItem);
throw (ex);
}
}
}
public void UpdateItem <T>(T entity)
{
Type entityType = typeof(T);
try
{
PropertyInfo idProperty = entityType.GetProperty(AweCsomeField.SuffixId);
if (idProperty == null)
{
throw new FieldMissingException("Field 'Id' is required for Update-Operations on Lists", AweCsomeField.SuffixId);
}
int?idValue = idProperty.GetValue(entity) as int?;
if (!idValue.HasValue)
{
throw new FieldMissingException("Field 'Id' is has no value. Update failed", AweCsomeField.SuffixId);
}
string listName = EntityHelper.GetInternalNameFromEntityType(entityType);
using (var clientContext = GetClientContext())
{
Web web = clientContext.Web;
ListCollection listCollection = web.Lists;
clientContext.Load(listCollection);
clientContext.ExecuteQuery();
List list = listCollection.FirstOrDefault(q => q.Title == listName);
if (list == null)
{
throw new ListNotFoundException();
}
ListItem existingItem = list.GetItemById(idValue.Value);
foreach (var property in entityType.GetProperties())
{
if (!property.CanRead)
{
continue;
}
if (property.GetCustomAttribute <IgnoreOnUpdateAttribute>() != null)
{
continue;
}
existingItem[EntityHelper.GetInternalNameFromProperty(property)] = EntityHelper.GetItemValueFromProperty(property, entity);
}
existingItem.Update();
clientContext.ExecuteQuery();
}
}
catch (Exception ex)
{
_log.Error($"Cannot update data from entity of type '{entityType.Name}'", ex);
throw;
}
}