Program.cs

using LSO.SemanticSearch.Api;
using LSO.SemanticSearch.Client;
using LSO.SemanticSearch.Model;
using Minio;
using Newtonsoft.Json.Linq;

namespace semantic_search_sample_dotnet 
{
    static class Program 
    {
        static async Task Main()
        {
            // Init
            var searcherConf = new Configuration
            {
                BasePath = "http://localhost:8082/api/v1"
            };
            var indexerConf = new Configuration
            {
                BasePath = "http://localhost:8081/api/v1"
            };
            var searchClient = new SearchApi(searcherConf);
            var indexerClient = new IndexApi(indexerConf);
           
            var minio = MinioUtil.InitClient("localhost:9000", "admin", "adminadmin");
            var indexName = "example";
            
            // create Index
            try
            {
                await indexerClient.CreateIndexAsync(new CreateIndexRequest(
                    indexName, new List<IndexFieldMapping>
                    {
                        new("enabled", IndexFieldMapping.TypeEnum.BOOLEAN),
                        new("type", IndexFieldMapping.TypeEnum.TEXT)
                    }
                ));
            }
            catch (Exception e)
            {
                Console.WriteLine("Error creating index (maybe it exists?)");
            }

            // index the document
            // searching in ./test/*
            await IndexDocument(indexName, "Bärlauch.docx", minio, indexerClient);
            await IndexDocument(indexName, "Heilpflanze.docx", minio, indexerClient);
            await IndexDocument(indexName, "Knoblauch.docx", minio, indexerClient);
            await IndexDocument(indexName, "Schnittlauch.docx", minio, indexerClient);
            await IndexDocument(indexName, "Zwiebel.docx", minio, indexerClient);
           
            // Search the index
            var searchRequest = new SearchQueryRequest(new List<TextQuery>
            {
                new()
                {
                    Query = "Wofür wird knoblauch verwendet?",
                    SemanticWeight = 1,
                    FullTextWeight = 1,
                }
            }, /*new List<SearchQueryRequestFilterQueriesInner>
                {
                    new(new KeyValueFilter(
                        "type",
                        new KeyValueFilterValue(true),
                        KeyValueFilter.ModalTypeEnum.MUST
                    ))
                }, */
                limit:10, offset:0, minScore: 1M);
            
            var results = await searchClient.SearchIndexAsync(indexName, searchRequest);
            Console.WriteLine(results.ToJson());
        }

        static async Task IndexDocument(string indexName, string fileName, IMinioClient minio, IndexApi indexer)
        {
            var documentId = Guid.NewGuid();
            
            // create and upload the __meta__.json
            var meta = new JObject(
                new JProperty("meta", new JObject(
                    new JProperty("enabled", true),
                    new JProperty("type", "text")
                )),
                new JProperty("files", new JArray(
                    new JObject(
                        new JProperty("meta", new JObject()),
                        new JProperty("file_name", fileName)
                    )    
                ))
            );
            await MinioUtil.UploadStringAsFile(meta.ToString(),
                $"{documentId}/__meta__.json",
                indexName,
                minio
            );
            
            // Upload the file to index
            await MinioUtil.UploadFile(
                $"test/{fileName}",
                $"{documentId}/{fileName}",
                indexName,
                minio
            );
            
            // Start the indexing
            await indexer.CreateDocumentAsync(
                indexName,
                documentId.ToString(), 
                new CreateDocumentRequest(documentId.ToString())    
            );
        }
    }
}