Template rest api skeleton added.

app/dao/templates_dao.py

@@ -0,0 +1,31 @@
+import json
+from datetime import datetime
+from sqlalchemy.orm import load_only
+from . import DAOException
+from app import db
+from app.models import (Template, Service)
+
+
+def save_model_template(template, update_dict=None):
+    if update_dict:
+        Template.query.filter_by(id=template.id).update(update_dict)
+    else:
+        db.session.add(template)
+    db.session.commit()
+
+
+def delete_model_template(template):
+    db.session.delete(template)
+    db.session.commit()
+
+
+def get_model_templates(template_id=None, service_id=None):
+    # TODO need better mapping from function params to sql query.
+    if template_id and service_id:
+        return Template.query.filter_by(
+            id=template_id, service=Service.get(service_id)).one()
+    elif template_id:
+        return Template.query.filter_by(id=template_id).one()
+    elif service_id:
+        return Template.query.filter_by(service=Service.get(service_id)).one()
+    return Template.query.all()