public static UniqueConstraintCheckResult <T> CheckForUniqueConstraints <T>(this IDocumentSession session, T entity)
{
var properties = UniqueConstraintsTypeDictionary.GetProperties(typeof(T));
T[] loadedDocs = null;
var typeName = session.Advanced.DocumentStore.Conventions.GetTypeTagName(typeof(T));
var constraintsIds = from property in properties
let propertyValue = property.GetValue(entity, null)
let att = (UniqueConstraintAttribute)Attribute.GetCustomAttribute(property, typeof(UniqueConstraintAttribute))
where propertyValue != null
from item in typeof(IEnumerable).IsAssignableFrom(property.PropertyType) && property.PropertyType != typeof(string) ? ((IEnumerable)propertyValue).Cast <object>().Where(i => i != null) : new [] { propertyValue }
select
"UniqueConstraints/" + typeName.ToLowerInvariant() + "/" + property.Name.ToLowerInvariant() +
"/" + Raven.Bundles.UniqueConstraints.Util.EscapeUniqueValue(item.ToString(), att.CaseInsensitive);
var constraintDocs = session.Include <ConstraintDocument>(x => x.RelatedId).Load(constraintsIds.ToArray());
var existingDocsIds = constraintDocs.Where(constraintDoc => constraintDoc != null)
.Select(constraintDoc => constraintDoc.RelatedId)
.Where(id => string.IsNullOrEmpty(id) == false)
.ToArray();
if (existingDocsIds.Any())
{
loadedDocs = session.Load <T>(existingDocsIds);
}
return(new UniqueConstraintCheckResult <T>(entity, properties, loadedDocs));
}
public static UniqueConstraintCheckResult <T> CheckForUniqueConstraints <T>(this IDocumentSession session, T entity)
{
var properties = UniqueConstraintsTypeDictionary.GetProperties(typeof(T));
T[] loadedDocs = null;
if (properties != null)
{
var typeName = session.Advanced.DocumentStore.Conventions.GetTypeTagName(typeof(T));
var constraintsIds = from property in properties
let propertyValue = property.GetValue(entity, null)
where propertyValue != null
select "UniqueConstraints/" + typeName.ToLowerInvariant() + "/" + property.Name.ToLowerInvariant() + "/" + Raven.Bundles.UniqueConstraints.Util.EscapeUniqueValue(propertyValue.ToString());
var constraintDocs = session.Include <ConstraintDocument>(x => x.RelatedId).Load(constraintsIds.ToArray());
var existingDocsIds = constraintDocs.Where(constraintDoc => constraintDoc != null)
.Select(constraintDoc => constraintDoc.RelatedId)
.Where(id => string.IsNullOrEmpty(id) == false)
.ToArray();
if (existingDocsIds.Any())
{
loadedDocs = session.Load <T>(existingDocsIds);
}
}
return(new UniqueConstraintCheckResult <T>(entity, properties, loadedDocs));
}
public UniqueConstraintsStoreListener(UniqueConstraintsTypeDictionary dictionary)
{
if (dictionary == null)
{
throw new ArgumentNullException("dictionary");
}
this.UniqueConstraintsTypeDictionary = dictionary;
}
internal static ConstraintInfo[] GetUniquePropertiesForType(this IDocumentStore store, Type type)
{
UniqueConstraintsTypeDictionary dictionary = UniqueConstraintsTypeDictionary.FindDictionary(store);
if (dictionary != null)
{
return(dictionary.GetProperties(type));
}
return(null);
}
public static UniqueConstraintCheckResult <T> CheckForUniqueConstraints <T>(this IDocumentSession session, T entity)
{
var properties = UniqueConstraintsTypeDictionary.GetProperties(typeof(T));
T[] loadedDocs = null;
if (properties != null)
{
var typeName = session.Advanced.DocumentStore.Conventions.GetTypeTagName(typeof(T));
var constraintsIds = new List <string>();
var existingDocsIds = new List <string>();
foreach (var property in properties)
{
var propertyValue = property.GetValue(entity, null);
if (propertyValue == null)
{
continue;
}
constraintsIds.Add("UniqueConstraints/" + typeName.ToLowerInvariant() + "/" + property.Name.ToLowerInvariant() + "/" +
Raven.Bundles.UniqueConstraints.Util.EscapeUniqueValue(propertyValue.ToString()));
}
ConstraintDocument[] constraintDocs = session.Include("Id").Load <ConstraintDocument>(constraintsIds.ToArray());
foreach (var constraintDoc in constraintDocs)
{
if (constraintDoc == null)
{
continue;
}
var id = constraintDoc.RelatedId;
if (!string.IsNullOrEmpty(id))
{
existingDocsIds.Add(id);
}
}
if (existingDocsIds.Count > 0)
{
loadedDocs = session.Load <T>(existingDocsIds.ToArray());
}
}
return(new UniqueConstraintCheckResult <T>(entity, properties, loadedDocs));
}
public bool BeforeStore(string key, object entityInstance, RavenJObject metadata, RavenJObject original)
{
if (metadata[Constants.EnsureUniqueConstraints] != null)
{
return(true);
}
var type = entityInstance.GetType();
var properties = UniqueConstraintsTypeDictionary.GetProperties(type);
if (properties != null)
{
metadata.Add(Constants.EnsureUniqueConstraints, new RavenJArray(properties.Select(x => x.Name).ToArray()));
}
return(true);
}
public static Task <UniqueConstraintCheckResult <T> > CheckForUniqueConstraintsAsync <T>(this IAsyncDocumentSession session, T entity)
{
var properties = UniqueConstraintsTypeDictionary.GetProperties(typeof(T));
if (properties != null)
{
var typeName = session.Advanced.DocumentStore.Conventions.GetTypeTagName(typeof(T));
var constraintsIds = from property in properties
let propertyValue = property.GetValue(entity, null)
let att = (UniqueConstraintAttribute)Attribute.GetCustomAttribute(property, typeof(UniqueConstraintAttribute))
where propertyValue != null
select "UniqueConstraints/" + typeName.ToLowerInvariant() + "/" + property.Name.ToLowerInvariant() + "/" + Raven.Bundles.UniqueConstraints.Util.EscapeUniqueValue(propertyValue.ToString(), att.CaseInsensitive);
return(session.Include <ConstraintDocument>(x => x.RelatedId).LoadAsync(constraintsIds.ToArray())
.ContinueWith(task =>
{
var constraintDocs = task.Result;
var existingDocsIds = (from constraintDoc in constraintDocs
where constraintDoc != null
select constraintDoc.RelatedId
into id where !string.IsNullOrEmpty(id) select id).ToArray();
if (existingDocsIds.Any() == false)
{
return new CompletedTask <UniqueConstraintCheckResult <T> >(new UniqueConstraintCheckResult <T>(entity, properties, null));
}
return session.LoadAsync <T>(existingDocsIds.ToArray()).ContinueWith(loadTask =>
{
var completedTask = new CompletedTask <UniqueConstraintCheckResult <T> >(
new UniqueConstraintCheckResult <T>(entity, properties, loadTask.Result)
);
return (Task <UniqueConstraintCheckResult <T> >)completedTask;
}).Unwrap();
}).Unwrap());
}
return(new CompletedTask <UniqueConstraintCheckResult <T> >(new UniqueConstraintCheckResult <T>(entity, properties, null)));
}
public bool BeforeStore(string key, object entityInstance, RavenJObject metadata, RavenJObject original)
{
if (metadata[Constants.EnsureUniqueConstraints] != null)
{
return(true);
}
var type = entityInstance.GetType();
var properties = UniqueConstraintsTypeDictionary.GetProperties(type);
if (properties != null)
{
metadata.Add(Constants.EnsureUniqueConstraints, new RavenJArray(properties.Select(x =>
{
var att = ((UniqueConstraintAttribute)Attribute.GetCustomAttribute(x, typeof(UniqueConstraintAttribute)));
return(RavenJObject.FromObject(new { x.Name, att.CaseInsensitive }));
})));
}
return(true);
}
public UniqueConstraintsStoreListener(UniqueConstraintsTypeDictionary dictionary)
{
if (dictionary == null) { throw new ArgumentNullException("dictionary"); }
this.UniqueConstraintsTypeDictionary = dictionary;
}
private static MemberExpression GetMemberExpression <T>(Expression <Func <T, object> > keySelector, UniqueConstraintsTypeDictionary uniqueConstraintsTypeDictionary)
{
MemberExpression body;
if (keySelector.Body is MemberExpression)
{
body = ((MemberExpression)keySelector.Body);
}
else
{
var op = ((UnaryExpression)keySelector.Body).Operand;
body = ((MemberExpression)op);
}
bool isDef = Attribute.IsDefined(body.Member, typeof(UniqueConstraintAttribute));
if (isDef == false)
{
if (uniqueConstraintsTypeDictionary.GetProperties(body.Member.DeclaringType).Any(x => x.Configuration.Name == body.Member.Name))
{
return(body);
}
var msg = string.Format(
"You are calling LoadByUniqueConstraints on {0}.{1}, but you haven't marked this property with [UniqueConstraint]",
body.Member.DeclaringType.Name, body.Member.Name);
throw new InvalidOperationException(msg);
}
return(body);
}
private static string GetPropropertyNameForKeySelector <T>(Expression <Func <T, object> > keySelector, UniqueConstraintsTypeDictionary uniqueConstraintsTypeDictionary)
{
var body = GetMemberExpression(keySelector, uniqueConstraintsTypeDictionary);
var propertyName = body.Member.Name;
return(propertyName);
}
