WIP

PlanTempus.Database/RolesPermissionSystem/Setup.cs

@@ -0,0 +1,96 @@
+using System.Data;
+using Insight.Database;
+
+namespace PlanTempus.Database.RolesPermissionSystem
+{
+    /// <summary>
+    /// This is by purpose not async await
+    /// It is intended that this is created with the correct Application User, which is why the schema name is omitted.
+    /// </summary>
+    public class Setup
+    {
+        IDbConnection _db;
+
+        public Setup(IDbConnection db)
+        {
+            _db = db;
+        }
+
+        /// <summary>
+        /// Creates the system tables in the specified schema within a transaction.
+        /// </summary>
+        /// <param name="schema">The schema name where the tables will be created.</param>
+        public void CreateSystem()
+        {
+            //if (!Validations.IsValidSchemaName(_schema))
+            //    throw new ArgumentException("Invalid schema name", _schema);
+
+            using var transaction = _db.BeginTransaction();
+            try
+            {
+                CreateRolesTable();
+                CreatePermissionsTable();
+                CreatePermissionTypesTable();
+                CreateRolePermissionsTable();
+
+                transaction.Commit();
+            }
+            catch (Exception ex)
+            {
+                transaction.Rollback();
+                throw new InvalidOperationException("Failed to create system tables.", ex);
+            }
+        }
+
+
+        private void ExecuteSql(string sql)
+        {
+            _db.ExecuteSql(sql);
+        }
+
+        private void CreatePermissionTypesTable()
+        {
+            var sql = $@"
+            CREATE TABLE IF NOT EXISTS permission_types (
+                id SERIAL PRIMARY KEY,
+                name VARCHAR(100) NOT NULL UNIQUE
+            )";
+            ExecuteSql(sql);
+        }
+
+        private void CreatePermissionsTable()
+        {
+            var sql = $@"
+            CREATE TABLE IF NOT EXISTS permissions (
+                id SERIAL PRIMARY KEY,
+                name VARCHAR(100) NOT NULL UNIQUE,
+                type_id INTEGER NOT NULL,
+                FOREIGN KEY (type_id) REFERENCES permission_types(id)
+            )";
+            ExecuteSql(sql);
+        }
+
+        private void CreateRolesTable()
+        {
+            var sql = $@"
+            CREATE TABLE IF NOT EXISTS roles (
+                id SERIAL PRIMARY KEY,
+                name VARCHAR(100) NOT NULL UNIQUE
+            )";
+            ExecuteSql(sql);
+        }
+
+        private void CreateRolePermissionsTable()
+        {
+            var sql = $@"
+            CREATE TABLE IF NOT EXISTS role_permissions (
+                role_id INTEGER NOT NULL,
+                permission_id INTEGER NOT NULL,
+                PRIMARY KEY (role_id, permission_id),
+                FOREIGN KEY (role_id) REFERENCES roles(id),
+                FOREIGN KEY (permission_id) REFERENCES permissions(id)
+            )";
+            ExecuteSql(sql);
+        }
+    }
+}