Add SetFromFile and SetFromDirectory Commands for Json Files (#40)

* Start working on JSON SetFile

* Add SetFile to IJsonCommands

* Fix TestSetFile

* Add SetFileAsync + Test

* Fix Documentation

* Add SetFiles command

* Naming

* Add TODO

* Add File Exsistence

Author: shacharPash

src/NRedisStack/Json/IJsonCommands.cs

@@ -205,6 +205,27 @@ public interface IJsonCommands
     /// <remarks><seealso href="https://redis.io/commands/json.set"/></remarks>
     bool Set(RedisKey key, RedisValue path, RedisValue json, When when = When.Always);
 
+    /// <summary>
+    /// Set json file from the provided file Path.
+    /// </summary>
+    /// <param name="key">The key.</param>
+    /// <param name="path">The path to set within the key.</param>
+    /// <param name="filePath">The path of the file to set.</param>
+    /// <param name="when">When to set the value.</param>
+    /// <returns>The disposition of the command</returns>
+    /// <remarks><seealso href="https://redis.io/commands/json.set"/></remarks>
+    bool SetFromFile(RedisKey key, RedisValue path, string filePath, When when = When.Always);
+
+    /// <summary>
+    /// Set all json files in the provided file Path.
+    /// </summary>
+    /// <param name="path">The path to set within the file name as key.</param>
+    /// <param name="filesPath">The path of the file to set.</param>
+    /// <param name="when">When to set the value.</param>
+    /// <returns>The number of files that have been set</returns>
+    /// <remarks><seealso href="https://redis.io/commands/json.set"/></remarks>
+    int SetFromDirectory(RedisValue path, string filesPath, When when = When.Always);
+
     /// <summary>
     /// Appends the provided string to the string(s) at the provided path.
     /// </summary>
@@ -451,6 +472,27 @@ public interface IJsonCommands
     /// <remarks><seealso href="https://redis.io/commands/json.set"/></remarks>
     Task<bool> SetAsync(RedisKey key, RedisValue path, RedisValue json, When when = When.Always);
 
+    /// <summary>
+    /// Set json file from the provided file Path.
+    /// </summary>
+    /// <param name="key">The key.</param>
+    /// <param name="path">The path to set within the key.</param>
+    /// <param name="filePath">The path of the file to set.</param>
+    /// <param name="when">When to set the value.</param>
+    /// <returns>The disposition of the command</returns>
+    /// <remarks><seealso href="https://redis.io/commands/json.set"/></remarks>
+    Task<bool> SetFromFileAsync(RedisKey key, RedisValue path, string filePath, When when = When.Always);
+
+    /// <summary>
+    /// Set all json files in the provided file Path.
+    /// </summary>
+    /// <param name="path">The path to set within the file name as key.</param>
+    /// <param name="filesPath">The path of the file to set.</param>
+    /// <param name="when">When to set the value.</param>
+    /// <returns>The number of files that have been set</returns>
+    /// <remarks><seealso href="https://redis.io/commands/json.set"/></remarks>
+    Task<int> SetFromDirectoryAsync(RedisValue path, string filesPath, When when = When.Always);
+
     /// <summary>
     /// Appends the provided string to the string(s) at the provided path.
     /// </summary>

src/NRedisStack/Json/JsonCommands.cs

@@ -60,6 +60,41 @@ public bool Set(RedisKey key, RedisValue path, RedisValue json, When when = When
         return true;
     }
 
+    /// <inheritdoc/>
+    public bool SetFromFile(RedisKey key, RedisValue path, string filePath, When when = When.Always)
+    {
+        if(!File.Exists(filePath))
+        {
+            throw new FileNotFoundException($"File {filePath} not found.");
+        }
+
+        string fileContent  = File.ReadAllText(filePath);
+        return Set(key, path, fileContent, when);
+    }
+
+    /// <inheritdoc/>
+    public int SetFromDirectory(RedisValue path, string filesPath, When when = When.Always)
+    {
+        int inserted = 0;
+        string key;
+        var files = Directory.EnumerateFiles(filesPath, "*.json");
+        foreach (var filePath in files)
+        {
+            key = filePath.Substring(0, filePath.IndexOf("."));
+            if(SetFromFile(key, path, filePath, when))
+            {
+                inserted++;
+            }
+        }
+
+        foreach (var dirPath in Directory.EnumerateDirectories(filesPath))
+        {
+            inserted += SetFromDirectory(path, dirPath, when);
+        }
+
+        return inserted;
+    }
+
     /// <inheritdoc/>
     public long?[] StrAppend(RedisKey key, string value, string? path = null)
     {
@@ -402,6 +437,42 @@ public async Task<bool> SetAsync(RedisKey key, RedisValue path, RedisValue json,
         return true;
     }
 
+    /// <inheritdoc/> // TODO: check way asnyc methods dont have documenation
+    public async Task<bool> SetFromFileAsync(RedisKey key, RedisValue path, string filePath, When when = When.Always)
+    {
+        if (!File.Exists(filePath))
+        {
+            throw new FileNotFoundException($"File {filePath} not found.");
+        }
+
+        string fileContent  = File.ReadAllText(filePath);
+        return await SetAsync(key, path, fileContent, when);
+    }
+
+    /// <inheritdoc/>
+    public async Task<int> SetFromDirectoryAsync(RedisValue path, string filesPath, When when = When.Always)
+    {
+        int inserted = 0;
+        string key;
+        var files = Directory.EnumerateFiles(filesPath, "*.json");
+        foreach (var filePath in files)
+        {
+            key = filePath.Substring(0, filePath.IndexOf("."));
+            if(await SetFromFileAsync(key, path, filePath, when))
+            {
+                inserted++;
+            }
+        }
+
+        foreach (var dirPath in Directory.EnumerateDirectories(filesPath))
+        {
+            inserted += await SetFromDirectoryAsync(path, dirPath, when);
+        }
+
+        return inserted;
+    }
+
+
     public async Task<long?[]> StrAppendAsync(RedisKey key, string value, string? path = null)
     {
         RedisResult result;