public void Delete <T>(T item) where T : class
{
Guid guid = Guid.Empty;
try
{
guid = InstanceContext.GetClassId(typeof(T), item);
}
catch (SitecoreIdException ex)
{
throw new MapperException("Failed to get item ID", ex);
}
if (guid == Guid.Empty)
{
throw new MapperException("Guid for item is empty");
}
Item scItem = _database.GetItem(new ID(guid));
if (scItem == null)
{
throw new MapperException("Item not found");
}
scItem.Delete();
}
/// <summary>
/// Retrieves an item based on the passed in class based on the version and language properties on the class
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="target"></param>
/// <returns></returns>
private Item GetItemFromSitecore <T>(T target)
{
Guid guid = InstanceContext.GetClassId(typeof(T), target);
SitecoreClassConfig config = InstanceContext.GetSitecoreClass(typeof(T));
Language language = null;
int versionNumber = -1;
if (config.LanguageProperty != null)
{
language = config.LanguageProperty.Property.GetValue(target, null) as Language;
}
if (config.VersionProperty != null)
{
versionNumber = (int)config.VersionProperty.Property.GetValue(target, null);
}
if (language != null && versionNumber > 0)
{
return(_database.GetItem(new ID(guid), language, new global::Sitecore.Data.Version(versionNumber)));
}
else if (language != null)
{
return(_database.GetItem(new ID(guid), language));
}
else
{
return(_database.GetItem(new ID(guid)));
}
}
private string MakeEditable <T>(Expression <Func <T, object> > field, Expression <Func <T, string> > standardOutput, T target, Database database)
{
if (IsInEditingMode)
{
if (field.Parameters.Count > 1)
{
throw new MapperException("To many parameters in linq expression {0}".Formatted(field.Body));
}
var site = global::Sitecore.Context.Site;
Type type = typeof(T);
InstanceContext context = Context.GetContext();
Guid id = Guid.Empty;
try
{
id = context.GetClassId(type, target);
}
catch (SitecoreIdException ex)
{
throw new MapperException("Page editting error. Type {0} can not be used for editing. Could not find property with SitecoreID attribute. See inner exception".Formatted(typeof(T).FullName), ex);
}
var scClass = context.GetSitecoreClass(typeof(T));
var prop = Utility.GetPropertyInfo(type, field.Body);
if (prop == null)
{
throw new MapperException("Page editting error. Could not find property {0} on type {1}".Formatted(field.Body, type.FullName));
}
var dataHandler = scClass.DataHandlers.FirstOrDefault(x => x.Property == prop);
var item = database.GetItem(new ID(id));
using (new ContextItemSwitcher(item))
{
FieldRenderer renderer = new FieldRenderer();
renderer.Item = item;
renderer.FieldName = ((AbstractSitecoreField)dataHandler).FieldName;
renderer.Parameters = "";
return(renderer.Render());
}
}
else
{
if (standardOutput != null)
{
return(standardOutput.Compile().Invoke(target));
}
else
{
return(field.Compile().Invoke(target).ToString());
}
}
}
private string MakeEditable <T>(Expression <Func <T, object> > field, Expression <Func <T, string> > standardOutput, T target, Database database, string parameters)
{
if (standardOutput == null || IsInEditingMode)
{
if (field.Parameters.Count > 1)
{
throw new MapperException("To many parameters in linq expression {0}".Formatted(field.Body));
}
MemberExpression memberExpression;
if (field.Body is UnaryExpression)
{
memberExpression = ((UnaryExpression)field.Body).Operand as MemberExpression;
}
else if (!(field.Body is MemberExpression))
{
throw new MapperException("Expression doesn't evaluate to a member {0}".Formatted(field.Body));
}
else
{
memberExpression = (MemberExpression)field.Body;
}
//we have to deconstruct the lambda expression to find the
//correct target object
//For example if we have the lambda expression x =>x.Children.First().Content
//we have to evaluate what the first Child object is, then evaluate the field to edit from there.
//this contains the expression that will evaluate to the object containing the property
var objectExpression = memberExpression.Expression;
var finalTarget = Expression.Lambda(objectExpression, field.Parameters).Compile().DynamicInvoke(target);
var site = global::Sitecore.Context.Site;
InstanceContext context = Context.GetContext();
//if the class a proxy then we have to get it's base type
Type type;
if (finalTarget is IProxyTargetAccessor)
{
//first try the base type
type = finalTarget.GetType().BaseType;
//if it doesn't contain the base type then we need to check the interfaces
if (!context.Classes.ContainsKey(type))
{
var interfaces = finalTarget.GetType().GetInterfaces();
string name = finalTarget.GetType().Name;
//be default castle will use the name of the class it is proxying for it's own name
foreach (var inter in interfaces)
{
if (name.StartsWith(inter.Name))
{
type = inter;
break;
}
}
}
}
else
{
type = finalTarget.GetType();
}
Guid id = Guid.Empty;
try
{
id = context.GetClassId(type, finalTarget);
}
catch (SitecoreIdException ex)
{
throw new MapperException("Page editting error. Type {0} can not be used for editing. Could not find property with SitecoreID attribute. See inner exception".Formatted(typeof(T).FullName), ex);
}
var scClass = context.GetSitecoreClass(type);
//lambda expression does not always return expected memberinfo when inheriting
//c.f. http://stackoverflow.com/questions/6658669/lambda-expression-not-returning-expected-memberinfo
var prop = type.GetProperty(memberExpression.Member.Name);
//interfaces don't deal with inherited properties well
if (prop == null && type.IsInterface)
{
Func <Type, PropertyInfo> interfaceCheck = null;
interfaceCheck = (inter) =>
{
var interfaces = inter.GetInterfaces();
var properties =
interfaces.Select(x => x.GetProperty(memberExpression.Member.Name)).Where(
x => x != null);
if (properties.Any())
{
return(properties.First());
}
else
{
return(interfaces.Select(x => interfaceCheck(x)).FirstOrDefault(x => x != null));
}
};
prop = interfaceCheck(type);
}
if (prop != null && prop.DeclaringType != prop.ReflectedType)
{
//properties mapped in data handlers are based on declaring type when field is inherited, make sure we match
prop = prop.DeclaringType.GetProperty(prop.Name);
}
if (prop == null)
{
throw new MapperException("Page editting error. Could not find property {0} on type {1}".Formatted(memberExpression.Member.Name, type.FullName));
}
var dataHandler = scClass.DataHandlers.FirstOrDefault(x => x.Property == prop);
if (dataHandler == null)
{
throw new MapperException(
"Page editting error. Could not find data handler for property {2} {0}.{1}".Formatted(
prop.DeclaringType, prop.Name, prop.MemberType));
}
var item = database.GetItem(new ID(id));
using (new ContextItemSwitcher(item))
{
FieldRenderer renderer = new FieldRenderer();
renderer.Item = item;
renderer.FieldName = ((AbstractSitecoreField)dataHandler).FieldName;
renderer.Parameters = parameters;
return(renderer.Render());
}
}
else
{
return(standardOutput.Compile().Invoke(target));
}
//return field.Compile().Invoke(target).ToString();
}
private string MakeEditable <T>(Expression <Func <T, object> > field, Expression <Func <T, string> > standardOutput, T target, Database database, string parameters)
{
if (standardOutput == null || IsInEditingMode)
{
if (field.Parameters.Count > 1)
{
throw new MapperException("To many parameters in linq expression {0}".Formatted(field.Body));
}
MemberExpression memberExpression;
if (field.Body is UnaryExpression)
{
memberExpression = ((UnaryExpression)field.Body).Operand as MemberExpression;
}
else if (!(field.Body is MemberExpression))
{
throw new MapperException("Expression doesn't evaluate to a member {0}".Formatted(field.Body));
}
else
{
memberExpression = (MemberExpression)field.Body;
}
//we have to deconstruct the lambda expression to find the
//correct target object
//For example if we have the lambda expression x =>x.Children.First().Content
//we have to evaluate what the first Child object is, then evaluate the field to edit from there.
//this contains the expression that will evaluate to the object containing the property
var objectExpression = memberExpression.Expression;
var finalTarget = Expression.Lambda(objectExpression, field.Parameters).Compile().DynamicInvoke(target);
var site = global::Sitecore.Context.Site;
//if the class a proxy then we have to get it's base type
Type type = finalTarget is IProxyTargetAccessor?finalTarget.GetType().BaseType : finalTarget.GetType();
InstanceContext context = Context.GetContext();
Guid id = Guid.Empty;
try
{
id = context.GetClassId(type, finalTarget);
}
catch (SitecoreIdException ex)
{
throw new MapperException("Page editting error. Type {0} can not be used for editing. Could not find property with SitecoreID attribute. See inner exception".Formatted(typeof(T).FullName), ex);
}
var scClass = context.GetSitecoreClass(type);
var prop = memberExpression.Member;
if (prop == null)
{
throw new MapperException("Page editting error. Could not find property {0} on type {1}".Formatted(memberExpression.Member.Name, type.FullName));
}
var dataHandler = scClass.DataHandlers.FirstOrDefault(x => x.Property == prop);
if (dataHandler == null)
{
throw new MapperException(
"Page editting error. Could not find data handler for property {2} {0}.{1}".Formatted(
prop.DeclaringType, prop.Name, prop.MemberType));
}
var item = database.GetItem(new ID(id));
using (new ContextItemSwitcher(item))
{
FieldRenderer renderer = new FieldRenderer();
renderer.Item = item;
renderer.FieldName = ((AbstractSitecoreField)dataHandler).FieldName;
renderer.Parameters = parameters;
return(renderer.Render());
}
}
else
{
return(standardOutput.Compile().Invoke(target));
}
//return field.Compile().Invoke(target).ToString();
}
public T Create <T, K>(K parent, string name, T data) where T : class where K : class
{
//check that the data is not null and if it has an ID check that it is empty
if (data != null)
{
}
Guid guid = Guid.Empty;
try
{
guid = InstanceContext.GetClassId(typeof(K), parent);
}
catch (SitecoreIdException ex)
{
throw new MapperException("Failed to get parent ID", ex);
}
if (guid == Guid.Empty)
{
throw new MapperException("Guid for parent is empty");
}
Item pItem = _database.GetItem(new ID(guid));
if (pItem == null)
{
throw new MapperException("Could not find parent item");
}
SitecoreClassConfig scClass = InstanceContext.GetSitecoreClass(typeof(T));
Guid templateId = scClass.TemplateId;
Guid branchId = scClass.BranchId;
Item item = null;
if (templateId != Guid.Empty)
{
item = pItem.Add(name, new TemplateID(new ID(templateId)));
}
else if (branchId != Guid.Empty)
{
item = pItem.Add(name, new BranchId(new ID(branchId)));
}
else
{
throw new MapperException("Type {0} does not have a Template ID or Branch ID".Formatted(typeof(T).FullName));
}
if (item == null)
{
throw new MapperException("Failed to create child with name {0} and parent {1}".Formatted(name, item.Paths.FullPath));
}
//if we have data save it to the item
if (data != null)
{
item.Editing.BeginEdit();
WriteToItem <T>(data, item);
item.Editing.EndEdit();
}
return(CreateClass <T>(false, false, item));
}
/// <summary>
/// Creates a new Sitecore item.
/// </summary>
/// <typeparam name="T">The type of the new item to create. This type must have either a TemplateId or BranchId defined on the SitecoreClassAttribute or fluent equivalent</typeparam>
/// <typeparam name="K">The type of the parent item</typeparam>
/// <param name="parent">The parent of the new item to create. Must have the SitecoreIdAttribute or fluent equivalent</param>
/// <param name="newItem">New item to create, must have the attribute SitecoreInfoAttribute of type SitecoreInfoType.Name or the fluent equivalent</param>
/// <returns></returns>
public T Create <T, K>(K parent, T newItem)
where T : class
where K : class
{
try
{
Guid id = InstanceContext.GetClassId(typeof(T), newItem);
if (id != Guid.Empty)
{
throw new MapperException("You are trying to create an item on a class that doesn't have an empty ID value");
}
}
catch (SitecoreIdException ex)
{
//we can swallow this exception for now
//should look to do this beeter
}
Guid parentId = Guid.Empty;
try
{
parentId = InstanceContext.GetClassId(typeof(K), parent);
}
catch (SitecoreIdException ex)
{
throw new MapperException("Failed to get parent ID", ex);
}
if (parentId == Guid.Empty)
{
throw new MapperException("Guid for parent is empty");
}
Item pItem = GetItemFromSitecore <K>(parent);
if (pItem == null)
{
throw new MapperException("Could not find parent item with ID {0}".Formatted(parentId));
}
SitecoreClassConfig scClass = InstanceContext.GetSitecoreClass(typeof(T));
var nameProperty = scClass.Properties.Where(x => x.Attribute is SitecoreInfoAttribute)
.Cast <SitecoreProperty>().FirstOrDefault(x => x.Attribute.CastTo <SitecoreInfoAttribute>().Type == SitecoreInfoType.Name);
if (nameProperty == null)
{
throw new MapperException("Type {0} does not have a property with SitecoreInfoType.Name".Formatted(typeof(T).FullName));
}
string name = string.Empty;
try
{
name = nameProperty.Property.GetValue(newItem, null).ToString();
}
catch
{
throw new MapperException("Failed to get item name");
}
if (name.IsNullOrEmpty())
{
throw new MapperException("New class has no name");
}
Guid templateId = scClass.TemplateId;
Guid branchId = scClass.BranchId;
Item item = null;
if (templateId != Guid.Empty)
{
item = pItem.Add(name, new TemplateID(new ID(templateId)));
}
else if (branchId != Guid.Empty)
{
item = pItem.Add(name, new BranchId(new ID(branchId)));
}
else
{
throw new MapperException("Type {0} does not have a Template ID or Branch ID".Formatted(typeof(T).FullName));
}
if (item == null)
{
throw new MapperException("Failed to create item");
}
//write new data to the item
item.Editing.BeginEdit();
WriteToItem <T>(newItem, item);
item.Editing.EndEdit();
//then read it back
ReadFromItem(newItem, item, scClass);
return(newItem);
// return CreateClass<T>(false, false, item);
}