I am using ElasticSearch mapper plugin for indexing contents for pdf, xls,
ppt file types. My mapping is as follows:
[ElasticType(
Name = "IndexDocument",
SearchAnalyzer = "standard",
IndexAnalyzer = "standard",
DateDetection = true,
NumericDetection = true
)]
public class Document
{
public string id { get; set; }
[ElasticProperty(Type = Nest.FieldType.attachment, Store = false,
TermVector = Nest.TermVectorOption.with_positions_offsets)]
public ESAttachment esAttachment { get; set; }
}
public class ESAttachment
{
public string _content_type { get; set; }
public string _name { get; set; }
public string content { get; set; }
}
Here is the code for indexing:
esClient.MapFromAttributes<Document>();
var item = new Document();
item.esAttachment = new ESAttachment();
item.esAttachment._content_type = "application/pdf";
item.esAttachment.content =
Convert.ToBase64String(System.IO.File.ReadAllBytes(file));
item.esAttachment._name = "test-pdf";
List<Document> bulkDoc = new List<Document>();
bulkDoc.Add(item);
var des = new BulkDescriptor();
foreach (var doc in bulkDoc)
{
des.Index<Document>(j => j.Object(doc).Index("indexname"));
}
var status = esClient.BulkAsync(des);
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