feat(api): Pydantic schemas + Data Repositories

app/repositories/service.py

@@ -0,0 +1,80 @@
+"""Service repository for database operations."""
+
+from uuid import UUID
+
+import asyncpg
+
+
+class ServiceRepository:
+    """Database operations for services."""
+
+    def __init__(self, conn: asyncpg.Connection) -> None:
+        self.conn = conn
+
+    async def create(
+        self,
+        service_id: UUID,
+        org_id: UUID,
+        name: str,
+        slug: str,
+    ) -> dict:
+        """Create a new service."""
+        row = await self.conn.fetchrow(
+            """
+            INSERT INTO services (id, org_id, name, slug)
+            VALUES ($1, $2, $3, $4)
+            RETURNING id, org_id, name, slug, created_at
+            """,
+            service_id,
+            org_id,
+            name,
+            slug,
+        )
+        return dict(row)
+
+    async def get_by_id(self, service_id: UUID) -> dict | None:
+        """Get service by ID."""
+        row = await self.conn.fetchrow(
+            """
+            SELECT id, org_id, name, slug, created_at
+            FROM services
+            WHERE id = $1
+            """,
+            service_id,
+        )
+        return dict(row) if row else None
+
+    async def get_by_org(self, org_id: UUID) -> list[dict]:
+        """Get all services for an organization."""
+        rows = await self.conn.fetch(
+            """
+            SELECT id, org_id, name, slug, created_at
+            FROM services
+            WHERE org_id = $1
+            ORDER BY name
+            """,
+            org_id,
+        )
+        return [dict(row) for row in rows]
+
+    async def get_by_slug(self, org_id: UUID, slug: str) -> dict | None:
+        """Get service by org and slug."""
+        row = await self.conn.fetchrow(
+            """
+            SELECT id, org_id, name, slug, created_at
+            FROM services
+            WHERE org_id = $1 AND slug = $2
+            """,
+            org_id,
+            slug,
+        )
+        return dict(row) if row else None
+
+    async def slug_exists(self, org_id: UUID, slug: str) -> bool:
+        """Check if service slug exists in organization."""
+        result = await self.conn.fetchval(
+            "SELECT EXISTS(SELECT 1 FROM services WHERE org_id = $1 AND slug = $2)",
+            org_id,
+            slug,
+        )
+        return result