public override async Task WriteStreamAsync(TextWriter writer, IEnumerable <ExpandoObject> records, bool flush = true)
{
writer.NewLine = Environment.NewLine;
var lineNumber = 1;
foreach (ExpandoObject expandoObject in records)
{
BeforeFluentWriteEventArgs beforeWriteArgs = OnBeforeWriteRecord(expandoObject, lineNumber);
var record = (beforeWriteArgs.LineChanged ? beforeWriteArgs.Record : expandoObject) as IDictionary <string, object>;
if (record == null || beforeWriteArgs.SkipRecord)
{
lineNumber++;
continue;
}
if (!record.ContainsKey(recordTypeProperty))
{
throw new BadFluentConfigurationException($"The record must contais a property called '{recordTypeProperty}'");
}
MultiRecordItem recordItem = GetLineDescriptor((string)record[recordTypeProperty]);
var sb = new StringBuilder();
foreach (KeyValuePair <string, object> keyValuePair in record)
{
if (!recordItem.Descriptor.Fields.TryGetValue(keyValuePair.Key, out IFieldInfoTypeDescriptor fieldDescriptor))
{
throw new Exception($"The field {keyValuePair.Key} is not configured");
}
if (fieldDescriptor.IsArray)
{
sb.Append(((IArrayFieldInfoDescriptor)fieldDescriptor).ArrayToString(
(IEnumerable <dynamic>)keyValuePair.Value));
continue;
}
sb.Append(((IFixedFieldInfoDescriptor)fieldDescriptor).RecordToString(keyValuePair.Value));
}
AfterFluentWriteEventArgs afterWriteArgs = OnAfterWriteRecord(expandoObject, lineNumber, sb.ToString());
await writer.WriteLineAsync(afterWriteArgs.Line);
if (flush)
{
await writer.FlushAsync();
}
lineNumber++;
}
}
public override async Task <ExpandoObject[]> ReadStreamAsync(StreamReader reader)
{
IList <ExpandoObject> items = new List <ExpandoObject>();
string currentLine = await reader.ReadLineAsync();
int currentLineNumber = 1;
while (currentLine != null)
{
if (!string.IsNullOrWhiteSpace(currentLine))
{
BeforeFluentReadEventArgs beforeReadArgs = OnBeforeReadRecord(currentLine, currentLineNumber);
if (!beforeReadArgs.SkipRecord)
{
if (beforeReadArgs.LineChanged)
{
currentLine = beforeReadArgs.Line;
}
MultiRecordItem recordItem = GetLineDescriptor(currentLine);
if (recordItem != null)
{
ExpandoObject item = await ReadLineAsync(currentLine, recordItem.Descriptor);
AfterFluentReadEventArgs afterReadArgs = OnAfterReadRecord(currentLine, currentLineNumber, item);
items.Add(afterReadArgs.Record);
}
}
}
currentLineNumber++;
currentLine = await reader.ReadLineAsync();
}
return(items.ToArray());
}
