Add cache for load data

Author: Yanan Wang

src/Plugins/BotSharp.Plugin.FuzzySharp/Services/TextAnalysisService.cs

@@ -38,6 +38,7 @@ public async Task<TextAnalysisResponse> AnalyzeTextAsync(TextAnalysisRequest req
                 var tokens = TextTokenizer.Tokenize(request.Text);
 
                 // Load vocabulary
+                // TODO: read the vocabulary from GSMP in Onebrain
                 var vocabulary = await _vocabularyService.LoadVocabularyAsync(request.VocabularyFolderName);
 
                 // Load domain term mapping

src/Plugins/BotSharp.Plugin.FuzzySharp/Services/VocabularyService.cs

@@ -1,4 +1,5 @@
 using BotSharp.Abstraction.FuzzSharp;
+using BotSharp.Core.Infrastructures;
 using CsvHelper;
 using CsvHelper.Configuration;
 using Microsoft.Extensions.Logging;
@@ -16,6 +17,7 @@ public VocabularyService(ILogger<VocabularyService> logger)
             _logger = logger;
         }
 
+        [SharpCache(60)]
         public async Task<Dictionary<string, HashSet<string>>> LoadVocabularyAsync(string? foldername)
         {
             var vocabulary = new Dictionary<string, HashSet<string>>();
@@ -50,6 +52,7 @@ public async Task<Dictionary<string, HashSet<string>>> LoadVocabularyAsync(strin
             return vocabulary;
         }
 
+        [SharpCache(60)]
         public async Task<Dictionary<string, (string DbPath, string CanonicalForm)>> LoadDomainTermMappingAsync(string? filename)
         {
             var result = new Dictionary<string, (string DbPath, string CanonicalForm)>();