diff --git a/app/routers/v2.py b/app/routers/v2.py
index 31eb408c..98337acb 100644
--- a/app/routers/v2.py
+++ b/app/routers/v2.py
@@ -8,20 +8,38 @@
 
 V2 = APIRouter()
 
+class State():
 
-class Sources(str, enum.Enum):
-    """
-    A source available for retrieving data.
-    """
+    states = ["jhu", "csbs", "nyt"]
+
+    def set_states(self, state):
+        if state.source in self.states:
+            self.__class__ = state
+
+    def __str__(self):
+        return self.source
 
-    JHU = "jhu"
-    CSBS = "csbs"
-    NYT = "nyt"
+class jhu(State): source = "jhu"
 
+class csbs(State): source = "csbs"
 
+class nyt(State): source = "nyt"
+
+class Sources():
+    """
+    A source available for retrieving data.
+    """
+    
+    def __init__(self):
+        self.current = jhu()
+   
+    def set_state(self, state):
+        self.current.set_states(state)
+
+sources = Sources()
 @V2.get("/latest", response_model=LatestResponse)
 async def get_latest(
-    request: Request, source: Sources = Sources.JHU
+    request: Request, source: Sources = sources.current
 ):  # pylint: disable=unused-argument
     """
     Getting latest amount of total confirmed cases, deaths, and recoveries.
@@ -40,7 +58,7 @@ async def get_latest(
 @V2.get("/locations", response_model=LocationsResponse, response_model_exclude_unset=True)
 async def get_locations(
     request: Request,
-    source: Sources = "jhu",
+    source: sources.current,
     country_code: str = None,
     province: str = None,
     county: str = None,
@@ -93,7 +111,7 @@ async def get_locations(
 # pylint: disable=invalid-name
 @V2.get("/locations/{id}", response_model=LocationResponse)
 async def get_location_by_id(
-    request: Request, id: int, source: Sources = Sources.JHU, timelines: bool = True
+    request: Request, id: int, source: Sources = sources.current, timelines: bool = True
 ):
     """
     Getting specific location by id.