CRUD operations for a search index

using System;
using System.Collections.Generic;
using Telerik.Sitefinity.Services;
using Telerik.Sitefinity.Services.Search;
using Telerik.Sitefinity.Services.Search.Data;

namespace Telerik.Sitefinity.TestIntegration.Services.Search
{
    /// <summary>
    /// This class demonstrates the CRUD operations with Search Indexes using the search service.
    /// </summary>
    public class SearchServiceApiSample
    {
        /// <summary>
        /// Creates the search index that will store the data.
        /// </summary>
        /// <param name="indexName">The name of the search index.</param>
        public void CreateSearchIndex(string indexName)
        {
            // create the index metadata
            var identityDefinition = Telerik.Sitefinity.Abstractions.ObjectFactory.Resolve<IFieldDefinition>();
            identityDefinition.Name = IdentityField;
            identityDefinition.Type = typeof(string);

            var languageDefinition = Telerik.Sitefinity.Abstractions.ObjectFactory.Resolve<IFieldDefinition>();
            languageDefinition.Name = Telerik.Sitefinity.Publishing.PublishingConstants.LanguageField;
            languageDefinition.Type = typeof(string);

            var contentFieldDefinition = Telerik.Sitefinity.Abstractions.ObjectFactory.Resolve<IFieldDefinition>();
            contentFieldDefinition.Name = ContentField;
            contentFieldDefinition.Type = typeof(string);

            var fieldDefinitions = new List<IFieldDefinition>() { identityDefinition, languageDefinition, contentFieldDefinition };

            ServiceBus.ResolveService<ISearchService>().CreateIndex(indexName, fieldDefinitions);
        }

        /// <summary>
        /// Updates the search index with the given content.
        /// </summary>
        /// <param name="indexName">The index name.</param>
        /// <param name="content">The content.</param>
        public void UpdateSearchIndex(string indexName, string content)
        {
            // fill the index - add documents in it
            IList<Telerik.Sitefinity.Services.Search.Data.IField> fields = new List<Telerik.Sitefinity.Services.Search.Data.IField>();
            fields.Add(new Telerik.Sitefinity.Services.Search.Publishing.Field() { Name = IdentityField, Value = new Guid().ToString() });
            fields.Add(new Telerik.Sitefinity.Services.Search.Publishing.Field()
            {
                Name = Telerik.Sitefinity.Publishing.PublishingConstants.LanguageField,
                Value = Telerik.Sitefinity.Model.Localization.LocalizationHelper.GetLanguageKey(System.Globalization.CultureInfo.CurrentCulture)
            });
            fields.Add(new Telerik.Sitefinity.Services.Search.Publishing.Field() { Name = ContentField, Value = content });

            Telerik.Sitefinity.Services.Search.Data.IDocument document =
                new Telerik.Sitefinity.Services.Search.Model.Document(fields, IdentityField);

            ServiceBus.ResolveService<ISearchService>().UpdateIndex(indexName, new[] { document });
        }

        /// <summary>
        /// Performs the search operation.
        /// </summary>
        /// <param name="indexName">Name of the index.</param>
        /// <param name="search">The search.</param>
        /// <returns>The search results.</returns>
        public IResultSet ReadSearchIndex(string indexName, string search)
        {
            // prepare query and run the search (read the index)
            var queryBuilder = Telerik.Sitefinity.Abstractions.ObjectFactory.Resolve<IQueryBuilder>();
            var searchQuery = queryBuilder.BuildQuery(search, new string[] { ContentField });
            searchQuery.IndexName = indexName;
            searchQuery.Skip = 0;
            searchQuery.Take = 10;
            searchQuery.HighlightedFields = new List<string>() { ContentField };

            var searchResult = ServiceBus.ResolveService<ISearchService>().Search(searchQuery);
            return searchResult;
        }

        /// <summary>
        /// Deletes the search index.
        /// </summary>
        /// <param name="indexName">Name of the index.</param>
        public void DeleteSearchIndex(string indexName)
        {
            ServiceBus.ResolveService<ISearchService>().DeleteIndex(indexName);
        }

        /// <summary>
        /// The name of the filed that will store the search content.
        /// </summary>
        public const string ContentField = "content";

        private const string IdentityField = "IdentityField";
    }
}