Add flagsmith

src/Managing.Application.Abstractions/Services/IFlagsmithService.cs

@@ -0,0 +1,39 @@
+namespace Managing.Application.Abstractions.Services;
+
+/// <summary>
+/// Interface for Flagsmith feature flag service
+/// </summary>
+public interface IFlagsmithService
+{
+    /// <summary>
+    /// Gets flags for a specific user identity
+    /// </summary>
+    /// <param name="identity">The user identity identifier</param>
+    /// <returns>Flags object for the identity</returns>
+    Task<IFlagsmithFlags> GetIdentityFlagsAsync(string identity);
+
+    /// <summary>
+    /// Checks if a feature is enabled for a specific identity
+    /// </summary>
+    /// <param name="identity">The user identity identifier</param>
+    /// <param name="featureName">The name of the feature flag</param>
+    /// <returns>True if the feature is enabled</returns>
+    Task<bool> IsFeatureEnabledAsync(string identity, string featureName);
+
+    /// <summary>
+    /// Gets the feature value for a specific identity
+    /// </summary>
+    /// <param name="identity">The user identity identifier</param>
+    /// <param name="featureName">The name of the feature flag</param>
+    /// <returns>The feature value as string</returns>
+    Task<string?> GetFeatureValueAsync(string identity, string featureName);
+}
+
+/// <summary>
+/// Wrapper interface for Flagsmith flags to enable testing
+/// </summary>
+public interface IFlagsmithFlags
+{
+    Task<bool> IsFeatureEnabled(string featureName);
+    Task<string?> GetFeatureValue(string featureName);
+}