public Schema Read()
{
if (_cache.ContainsKey(Process.Name))
{
return(_cache[Process.Name]);
}
var schema = _schemaReader.Read();
_cache[Process.Name] = schema;
return(schema);
}
/// <summary>
/// If any entity schema's are helped, this should return true so the consumer knows he/she ought to check process.Errors().
/// </summary>
/// <returns>true if any schema has been helped, false if no help provided</returns>
public bool Help(Process process)
{
var helped = false;
foreach (var entity in process.Entities)
{
if (entity.Fields.Any(f => f.Input))
{
continue;
}
_schemaReader.Process = process;
var schema = _schemaReader.Read(entity);
if (!schema.Entities.Any())
{
_context.Warn($"Could not detect {entity.Alias} fields.");
continue;
}
var e = schema.Entities.First();
var fields = e.Fields;
foreach (var field in fields.Where(field => Constants.InvalidFieldNames.Contains(field.Name) && Constants.InvalidFieldNames.Contains(field.Alias)))
{
field.Alias = e.Alias + field.Name;
}
var add = e.Fields.Where(f => !f.System).ToList();
var processKeys = new HashSet <string>(process.GetAllFields().Select(f => f.Alias), System.StringComparer.OrdinalIgnoreCase);
if (add.Any())
{
_context.Debug(() => $"Detected {add.Count} field{add.Count.Plural()} in {entity.Alias}.");
var entityKeys = new HashSet <string>(entity.GetAllFields().Select(f => f.Alias), System.StringComparer.OrdinalIgnoreCase);
foreach (var field in add)
{
if (!entityKeys.Contains(field.Alias))
{
if (!field.PrimaryKey && processKeys.Contains(field.Alias))
{
field.Alias = entity.Alias + field.Alias;
}
entity.Fields.Add(field);
}
}
process.Connections.First(c => c.Name == e.Connection).Delimiter = schema.Connection.Delimiter;
helped = true;
}
else
{
_context.Warn($"Could not detect {entity.Alias} fields.");
}
}
return(helped);
}