Distribution_GL Initialization

2026-10-20 13:07:07 +05:30
commit 3f16e0cb44
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+using General_Ledger_Service.Exceptions;
+using General_Ledger_Service.Interfaces.Repositories;
+
+namespace General_Ledger_Service.Services
+{
+    // Shared "resulting depth must not exceed the configured max" check, used by every
+    // recursive-entity Service (Account, CostCenter, and any future one — see
+    // 01_Full_Development_Plan.md Section 4.2). Not a generic base class (CLAUDE.md Rule 2) —
+    // just the repeated system_config lookup + comparison + BadRequestException, extracted once.
+    internal static class DepthGuard
+    {
+        public static async Task EnsureWithinMaxDepthAsync(
+            ISystemConfigRepository systemConfigRepository,
+            string maxDepthConfigKey,
+            string? enforceConfigKey,
+            int resultingDepth,
+            string exceededMessage)
+        {
+            if (enforceConfigKey != null)
+            {
+                var enforceConfig = await systemConfigRepository.GetByKeyAsync(enforceConfigKey);
+                if (enforceConfig?.ConfigValue != "TRUE")
+                {
+                    return;
+                }
+            }
+
+            var maxDepthConfig = await systemConfigRepository.GetByKeyAsync(maxDepthConfigKey)
+                ?? throw new NotFoundException($"System config '{maxDepthConfigKey}' not found");
+            var maxDepth = int.Parse(maxDepthConfig.ConfigValue);
+
+            if (resultingDepth > maxDepth)
+            {
+                throw new BadRequestException(exceededMessage);
+            }
+        }
+    }
+}