refactor: add Settings singleton pattern for config management

src/tryton_mcp/config.py

@@ -0,0 +1,42 @@
+import os
+from dataclasses import dataclass, field
+
+from sabatron_tryton_rpc_client.client import Client
+
+
+@dataclass
+class TrytonSettings:
+    hostname: str = field(
+        default_factory=lambda: os.environ.get("TRYTON_HOSTNAME", "localhost")
+    )
+    database: str = field(
+        default_factory=lambda: os.environ.get("TRYTON_DATABASE", "tryton")
+    )
+    username: str = field(
+        default_factory=lambda: os.environ.get("TRYTON_USERNAME", "admin")
+    )
+    password: str = field(default_factory=lambda: os.environ.get("TRYTON_PASSWORD", ""))
+    port: int = field(
+        default_factory=lambda: int(os.environ.get("TRYTON_PORT", "8000"))
+    )
+
+    def to_dict(self) -> dict:
+        return {
+            "hostname": self.hostname,
+            "database": self.database,
+            "username": self.username,
+            "password": self.password,
+            "port": self.port,
+        }
+
+    def get_client(self) -> Client:
+        return Client(**self.to_dict())
+
+    def __post_init__(self):
+        if not self.hostname:
+            raise ValueError("TRYTON_HOSTNAME is required")
+        if not self.database:
+            raise ValueError("TRYTON_DATABASE is required")
+
+
+settings = TrytonSettings()

src/tryton_mcp/server.py

@@ -0,0 +1,71 @@
+"""
+MCP Server for Naliia Module
+"""
+
+from sabatron_tryton_rpc_client.client import Client
+from fastmcp import FastMCP
+from typing import List
+import datetime
+
+from tryton_mcp.config import settings
+
+
+mcp = FastMCP("Tryton MCP Server")
+
+
+@mcp.tool()
+def create_schedule(
+    professional: int, description: str, customer: int, date: str, service_center: int
+) -> List[int]:
+
+    example_schedule = [
+        {
+            "professional": 6,
+            "description": description,
+            "customer": 4,
+            "date": datetime.datetime.fromisoformat(date),
+            "service_center": 11,
+        }
+    ]
+
+    client = Client(**settings.to_dict())
+
+    client.connect()
+    name = "model.naliia.schedule.create"
+    args = [example_schedule, {}]
+    response = client.call(name, args)
+
+    return response
+
+
+@mcp.tool()
+def find_service_centers():
+    client = Client(**settings.to_dict())
+
+    client.connect()
+
+    name = "model.naliia.service_center.search_read"
+    args = [[[]], 0, None, None, ["name", "address.street"], {}]
+    response = client.call(name, args)
+
+    return response
+
+
+@mcp.tool()
+def find_products_and_services():
+    client = Client(**settings.to_dict())
+
+    client.connect()
+
+    name = "model.product.product.search_read"
+    args = [
+        [["active", "=", True], ["salable", "=", True]],
+        0,
+        None,
+        None,
+        ["name", "list_price", "description"],
+        {"company": 1},
+    ]
+    response = client.call(name, args)
+
+    return response