feature(EJ2-59143): Moved SpellChecker cache count related changes.

Author: Thamizhselvanv

Dockerfile

@@ -4,6 +4,7 @@ EXPOSE 80
 ENV SYNCFUSION_LICENSE_KEY=""
 ENV SPELLCHECK_DICTIONARY_PATH=""
 ENV SPELLCHECK_JSON_FILENAME=""
+ENV SPELLCHECK_CACHE_COUNT=""
 FROM mcr.microsoft.com/dotnet/sdk:2.1 AS build
 
 WORKDIR /source

README.md

@@ -153,6 +153,8 @@ The JSON file should contain the language-wise spell check dictionary configurat
 ]
 ```
 
+By default, the spell checker holds only one language dictionary in memory. If you want to hold multiple dictionaries in memory, then you must set the required count to environment variable `SPELLCHECK_CACHE_COUNT` in Docker compose file. For more information, please refer [spell check documentation](https://ej2.syncfusion.com/documentation/document-editor/spell-check)
+
 A JSON file is included in the default resource directory `/app/Data` of this Docker image with the name `spellcheck.json`. You can add a new file with your own spell check dictionary configurations.
 
 If you customize it, then you must set the new file name to environment variable `SPELLCHECK_JSON_FILENAME` in Docker compose file like below,
@@ -166,6 +168,7 @@ services:
       #Provide your license key for activation
       SYNCFUSION_LICENSE_KEY: YOUR_LICENSE_KEY
       SPELLCHECK_DICTIONARY_PATH: data
+      SPELLCHECK_CACHE_COUNT: 2
       SPELLCHECK_JSON_FILENAME: spellcheck1.json
     volumes: 
       -  ./data:/app/data  

src/ej2-documenteditor-server/Controllers/DocumentEditorController.cs

@@ -21,15 +21,11 @@ namespace EJ2DocumentEditorServer.Controllers
     public class DocumentEditorController : Controller
     {
         private readonly IHostingEnvironment _hostingEnvironment;
-        List<DictionaryData> spellDictionary;
-        string personalDictPath;
         string path;
         public DocumentEditorController(IHostingEnvironment hostingEnvironment)
         {
-            _hostingEnvironment = hostingEnvironment;            
-            spellDictionary = Startup.spellDictCollection;
+            _hostingEnvironment = hostingEnvironment;
             path = Startup.path;
-            personalDictPath = Startup.personalDictPath;
         }
 
         [AcceptVerbs("Post")]
@@ -62,7 +58,7 @@ public string SpellCheck([FromBody] SpellCheckJsonData spellChecker)
         {
             try
             {
-                SpellChecker spellCheck = new SpellChecker(spellDictionary,personalDictPath);
+                SpellChecker spellCheck = new SpellChecker();
                 spellCheck.GetSuggestions(spellChecker.LanguageID, spellChecker.TexttoCheck, spellChecker.CheckSpelling, spellChecker.CheckSuggestion, spellChecker.AddWord);
                 return Newtonsoft.Json.JsonConvert.SerializeObject(spellCheck);
             }
@@ -86,7 +82,7 @@ public string SpellCheckByPage([FromBody] SpellCheckJsonData spellChecker)
         {
             try
             {
-                SpellChecker spellCheck = new SpellChecker(spellDictionary,personalDictPath);
+                SpellChecker spellCheck = new SpellChecker();
                 spellCheck.CheckSpelling(spellChecker.LanguageID, spellChecker.TexttoCheck);
                 return Newtonsoft.Json.JsonConvert.SerializeObject(spellCheck);
             }

src/ej2-documenteditor-server/Startup.cs

@@ -24,9 +24,7 @@ namespace EJ2DocumentEditorServer
 {
     public class Startup
     {
-        internal static List<DictionaryData> spellDictCollection;
         internal static string path;
-        internal static string personalDictPath;
         public Startup(IConfiguration configuration, IHostingEnvironment env)
         {
             var builder = new ConfigurationBuilder()
@@ -38,6 +36,11 @@ public Startup(IConfiguration configuration, IHostingEnvironment env)
             Configuration = builder.Build();
             path = Configuration["SPELLCHECK_DICTIONARY_PATH"];
             string jsonFileName = Configuration["SPELLCHECK_JSON_FILENAME"];
+            int cacheCount;
+            if (!int.TryParse(Configuration["SPELLCHECK_CACHE_COUNT"], out cacheCount))
+            {
+                cacheCount = 1;
+            }
             //check the spell check dictionary path environment variable value and assign default data folder
             //if it is null.
             path = string.IsNullOrEmpty(path) ? Path.Combine(env.ContentRootPath, "Data") : Path.Combine(env.ContentRootPath, path);
@@ -47,13 +50,15 @@ public Startup(IConfiguration configuration, IHostingEnvironment env)
             {
                 string jsonImport = System.IO.File.ReadAllText(jsonFileName);
                 List<DictionaryData> spellChecks = JsonConvert.DeserializeObject<List<DictionaryData>>(jsonImport);
-                spellDictCollection = new List<DictionaryData>();
+                List<DictionaryData> spellDictCollection = new List<DictionaryData>();
+                string personalDictPath = string.Empty;
                 //construct the dictionary file path using customer provided path and dictionary name
                 foreach (var spellCheck in spellChecks)
                 {
                     spellDictCollection.Add(new DictionaryData(spellCheck.LanguadeID, Path.Combine(path, spellCheck.DictionaryPath), Path.Combine(path, spellCheck.AffixPath)));
                     personalDictPath = Path.Combine(path, spellCheck.PersonalDictPath);
                 }
+                SpellChecker.InitializeDictionaries(spellDictCollection, personalDictPath, cacheCount);
             }
         }
 

src/ej2-documenteditor-server/appsettings.json

@@ -1,6 +1,7 @@
 {
   "SYNCFUSION_LICENSE_KEY": "",
   "SPELLCHECK_DICTIONARY_PATH": "",
+  "SPELLCHECK_CACHE_COUNT": "",
   "Logging": {
     "IncludeScopes": false,
     "Debug": {