New rate model added

app/services/subcontractor_rate_service.py

@@ -0,0 +1,65 @@
+from app.services.db_service import db
+from app.models.subcontractor_rate_model import SubcontractorRate
+
+
+class SubcontractorRateService:
+
+    @staticmethod
+    def save_rate(form):
+
+        rate = SubcontractorRate(
+            subcontractor_id=form.get("subcontractor_id"),
+            category=form.get("category"),
+            item_code=form.get("item_code"),
+            item_name=form.get("item_name"),
+            unit=form.get("unit"),
+            rate=form.get("rate"),
+            effective_from=form.get("effective_from"),
+            effective_to=form.get("effective_to") or None,
+            status=form.get("status")
+        )
+
+        db.session.add(rate)
+        db.session.commit()
+        return rate
+    
+    
+    @staticmethod
+    def get_all_rates():
+
+        return (
+            SubcontractorRate.query
+            .order_by(SubcontractorRate.created_at.desc())
+            .all()
+        )
+    @staticmethod
+    def get_rate(rate_id):
+
+        return SubcontractorRate.query.get_or_404(rate_id)
+    
+    @staticmethod
+    def update_rate(rate_id, form):
+
+        rate = SubcontractorRate.query.get_or_404(rate_id)
+
+        rate.subcontractor_id = form.get("subcontractor_id")
+        rate.category = form.get("category")
+        rate.item_code = form.get("item_code")
+        rate.item_name = form.get("item_name")
+        rate.unit = form.get("unit")
+        rate.rate = form.get("rate")
+        rate.effective_from = form.get("effective_from")
+        rate.effective_to = form.get("effective_to") or None
+        rate.status = form.get("status")
+
+        db.session.commit()
+        return rate
+    
+    @staticmethod
+    def delete_rate(rate_id):
+
+        rate = SubcontractorRate.query.get_or_404(rate_id)
+
+        db.session.delete(rate)
+
+        db.session.commit()