Controllers added updated implementations and tests awaits

Controllers/Postgres/config.py

@@ -0,0 +1,41 @@
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+"""
+    pool_pre_ping=True,  # Verify connection before using
+    pool_size=20,  # Maximum number of permanent connections
+    max_overflow=10,  # Maximum number of additional connections
+    pool_recycle=600,  # Recycle connections after 1 hour
+    pool_timeout=30,  # Wait up to 30 seconds for a connection
+    echo=True,  # Set to True for debugging SQL queries
+"""
+
+
+class Configs(BaseSettings):
+    """
+    Postgresql configuration settings.
+    """
+
+    DB: str = ""
+    USER: str = ""
+    PASSWORD: str = ""
+    HOST: str = ""
+    PORT: str = 0
+    ENGINE: str = ""
+    POOL_PRE_PING: bool = True
+    POOL_SIZE: int = 20
+    MAX_OVERFLOW: int = 10
+    POOL_RECYCLE: int = 600
+    POOL_TIMEOUT: int = 30
+    ECHO: bool = True
+
+    @property
+    def url(self):
+        """Generate the database URL."""
+        return f"{self.ENGINE}://{self.USER}:{self.PASSWORD}@{self.HOST}:{self.PORT}/{self.DB}"
+
+    model_config = SettingsConfigDict(env_prefix="POSTGRES_")
+
+
+postgres_configs = (
+    Configs()
+)  #  singleton instance of the POSTGRESQL configuration settings