hash.patch

diff --git a/src/chime_dash/app/components/__init__.py b/src/chime_dash/app/components/__init__.py
index 2956a9f..465578e 100644
--- a/src/chime_dash/app/components/__init__.py
+++ b/src/chime_dash/app/components/__init__.py
@@ -32,6 +32,9 @@ class Body(Component):
         """
         """
         super().__init__(language, defaults)
+        print("---")
+        print(LocationComponent())
+        print("---")
         self.components = OrderedDict(
             navbar=Navbar(language, defaults),
             container=Container(language, defaults),
diff --git a/src/chime_dash/app/components/container.py b/src/chime_dash/app/components/container.py
index ec606b7..fbefdac 100644
--- a/src/chime_dash/app/components/container.py
+++ b/src/chime_dash/app/components/container.py
@@ -44,7 +44,9 @@ class Container(Component):
         pars = self.components["sidebar"].parse_form_parameters(**kwargs)
         kwargs["model"] = SimSirModel(pars)
         kwargs["pars"] = pars
-
+        print("~~~")
+        print(kwargs['location'])
+        print(kwargs['hash'])
         callback_returns = []
         for component in self.components.values():
             try:
diff --git a/src/chime_dash/app/components/location.py b/src/chime_dash/app/components/location.py
index 4b66e32..907fc17 100644
--- a/src/chime_dash/app/components/location.py
+++ b/src/chime_dash/app/components/location.py
@@ -12,7 +12,12 @@ class LocationComponent(Component):
     callback_inputs = OrderedDict([('location',
                                     CallbackInput(
                                         component_id='location',
-                                        component_property='pathname'))])
+                                        component_property='pathname')),
+                                   ('hash',
+                                    CallbackInput(
+                                        component_id='location',
+                                        component_property='hash')),
+                                   ])
 
     def get_html(self) -> List[ComponentMeta]:
         return [Location(id='location')]
diff --git a/src/chime_dash/app/components/sidebar.py b/src/chime_dash/app/components/sidebar.py
index 2da6ffb..80c3b36 100644
--- a/src/chime_dash/app/components/sidebar.py
+++ b/src/chime_dash/app/components/sidebar.py
@@ -73,6 +73,21 @@ class Sidebar(Component):
         (key, CallbackInput(component_id=key, component_property="value"))
         for key in _INPUTS if _INPUTS[key]["type"] not in ("header", )
     )
+    # print("Sidebar")
+
+    @staticmethod
+    def try_int(v):
+        try:
+            return int(v)
+        except ValueError:
+            return v
+
+    @staticmethod
+    def parse_hash(url_hash):
+        params = [param.split("=") for param in url_hash[1:].split(";") if "=" in param]
+        params = {p[0]: Sidebar.try_int(p[1]) for p in params}  # this could be done in one step but it gets confusing
+
+        return params
 
     @staticmethod
     def parse_form_parameters(**kwargs) -> Tuple[Parameters, Dict[str, Any]]:
@@ -80,8 +95,12 @@ class Sidebar(Component):
 
         Returns Parameters and as_date argument
         """
+        hash_params = kwargs.get('hash', None)
+        if hash_params:
+            hash_params = Sidebar.parse_hash(hash_params)
+
         pars = Parameters(
-            current_hospitalized=kwargs["current_hospitalized"],
+            current_hospitalized=hash_params.get("current_hospitalized", kwargs["current_hospitalized"]),
             doubling_time=kwargs["doubling_time"],
             known_infected=kwargs["known_infected"],
             market_share=kwargs["market_share"] / 100,
@@ -97,12 +116,18 @@ class Sidebar(Component):
             max_y_axis=kwargs["max_y_axis_value"],
             n_days=kwargs["n_days"],
         )
+        # print("Pars")
+        # print(pars.__dict__)
         return pars
 
     def get_html(self) -> List[ComponentMeta]:
         """Initializes the view
         """
         elements = []
+        # print("defaults")
+        # print(self.defaults.__dict__)
+        # print("content")
+        # print(self.content)
         for idx, data in _INPUTS.items():
             if data["type"] == "number":
                 element = create_number_input(idx, data, self.content, self.defaults)
diff --git a/src/dash_app.py b/src/dash_app.py
index 89975f5..7aaee7c 100644
--- a/src/dash_app.py
+++ b/src/dash_app.py
@@ -33,6 +33,7 @@ app.layout = body.html
 app.title = 'Penn Medicine CHIME'
 server = app.server
 
+
 @app.callback(body.callback_outputs, list(body.callback_inputs.values()))
 def callback(*args):  # pylint: disable=W0612
     return body.callback(*args)
@@ -42,4 +43,4 @@ def callback(*args):  # pylint: disable=W0612
 
 if __name__ == "__main__":
 #    main()
-    app.run_server(host='0.0.0.0')
+    app.run_server(host='0.0.0.0', debug=True, dev_tools_hot_reload_watch_interval=100)