public static TypeWrappedCypherFluentQuery <U, U> Build <U>(Func <IDriver> client) //where U : class, INeo4jNode, new()
{
TypeWrappedCypherFluentQuery <U, U> ths = new TypeWrappedCypherFluentQuery <U, U>(client);
ths.rQ = ths;
//ths.quearyExpression = x => x;
return(ths);
}
public TypeWrappedCypherFluentQuery <T, V> ThenIncludeCollection <U, V>(Expression <Func <S, IEnumerable <U> > > p, Expression <Func <U, V> > q)
//where A : IEnumerable<U>
//where U : class, INeo4jNode, new()
//where V : class, INeo4jNode, new()
{
TypeWrappedCypherFluentQuery <T, IEnumerable <U> > s1 = (TypeWrappedCypherFluentQuery <T, IEnumerable <U> >) this.ThenInclude(p);
TypeWrappedCypherFluentQuery <T, U> s2 = s1.SubBuild <U>(s1.quearyName);
TypeWrappedCypherFluentQuery <T, V> s3 = (TypeWrappedCypherFluentQuery <T, V>)s2.ThenInclude(q);
return(s3);
}
private TypeWrappedCypherFluentQuery <T, S> BackCopy <U>(TypeWrappedCypherFluentQuery <T, U> typeWrappedCypherFluentQuery)
{
TypeWrappedCypherFluentQuery <T, S> bccp = this;
bccp.internalQ = typeWrappedCypherFluentQuery.internalQ;
bccp.pulledChildNodes = bccp.pulledChildNodes.Union(
typeWrappedCypherFluentQuery.pulledChildNodes
).Distinct().ToList();
bccp.pulledPaths = bccp.pulledPaths.Union(
typeWrappedCypherFluentQuery.pulledPaths
).Distinct().ToList();
bccp.PathCount = typeWrappedCypherFluentQuery.PathCount;
if (bccp is TypeWrappedCypherFluentQuery <T, T> )
{
var v = (bccp as TypeWrappedCypherFluentQuery <T, T>);
//v.quearyExpression = x => x;
bccp = v as TypeWrappedCypherFluentQuery <T, S>;
}
return(bccp);
}
public TypeWrappedCypherFluentQuery <T, U> ThenInclude <U>(Expression <Func <S, U> > p) //where U : class, INeo4jNode, new()
{
p = Scrub(p);
List <(string, ReflectionCache.Property, MemberExpression)> fullPath = new List <(string, ReflectionCache.Property, MemberExpression)>();
Expression bdy = p.Body;
TypeWrappedCypherFluentQuery <T, S> ths = this;
while (bdy is MemberExpression)
{
MemberExpression mExp = bdy as MemberExpression;
PropertyInfo propInfo = mExp.Member as PropertyInfo;
ReflectionCache.Property prop = new ReflectionCache.Property(propInfo);
fullPath.Add((mExp.ToString().Replace('.', '_'), prop, mExp));
bdy = mExp.Expression;
}
fullPath.Reverse();
foreach (var v in fullPath)
{
string[] strPath = v.Item1.Split("_");
string parentName = strPath.Take(strPath.Length - 1).Aggregate((a, b) => a + "_" + b);
if (!pulledPaths.Contains(v.Item1))
{
internalQ = internalQ.AppendLine($"OPTIONAL MATCH p{PathCount} = ({parentName})-[:{v.Item2.neo4JAttributes.Select(x => x as DbNameAttribute).Where(x => x != null).FirstOrDefault()?.Name ?? v.Item2.info.Name}]->({v.Item1})");
pulledPaths.Add(v.Item1);
PathCount++;
}
}
string ultimateChild = fullPath.Any() ? fullPath.Last().Item1 : "";
return(SubBuild <U>(ultimateChild));
}
public static TypeWrappedCypherFluentQuery <T, T> All(Func <IDriver> client)
{
return(TypeWrappedCypherFluentQuery <T, T> .Build <T>(client));
}
