diff --git a/.gitignore b/.gitignore
index b694934..0e5ac79 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-.venv
\ No newline at end of file
+.venv
+__pycache__
\ No newline at end of file
diff --git a/README.md b/README.md
index e162bee..c7a4e70 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 ## Project Link
-https://share.streamlit.io/ayxan-z/huaweihealthdatavisualization/main/app/main.py
+https://ayxan-z-huaweihealthdatavisualization-appmain-vgn77h.streamlit.app/
 
 ## Instalition
 **pip install -r requirements.txt <br />**
diff --git a/app/__init__.py b/src/app/__init__.py
similarity index 100%
rename from app/__init__.py
rename to src/app/__init__.py
diff --git a/app/main.py b/src/app/main.py
similarity index 93%
rename from app/main.py
rename to src/app/main.py
index 4151a8c..07ac575 100644
--- a/app/main.py
+++ b/src/app/main.py
@@ -1,21 +1,24 @@
 # sourcery skip: list-comprehension
+from pathlib import Path
+main_path: Path = Path(__file__).resolve().parent.parent
+
+from sys import path
+path.append(main_path)
+
 import pandas as pd
 import plotly.express as px
-import json
 import streamlit as st
 from datetime import (datetime,
                     timedelta)
-from pathlib import Path
+from data_access import LocalTestData
 
 
-data_dir = Path(__file__).resolve().parent.parent / 'data'
-
 st.set_page_config(page_title = 'Health Data Visualization',
                     page_icon = ':bar_chart:',
                     layout = 'wide')
 
-with open(data_dir / 'huawei_health_data.json') as f:
-    data = json.load(f)
+local_data = LocalTestData('data')
+data = local_data.get_data('huawei_health_data.json')
 
 heart_rate = []
 for d in data:
diff --git a/src/data_access/__init__.py b/src/data_access/__init__.py
new file mode 100644
index 0000000..49c100a
--- /dev/null
+++ b/src/data_access/__init__.py
@@ -0,0 +1 @@
+from .local_data_access import LocalTestData
\ No newline at end of file
diff --git a/src/data_access/local_data_access.py b/src/data_access/local_data_access.py
new file mode 100644
index 0000000..4a66066
--- /dev/null
+++ b/src/data_access/local_data_access.py
@@ -0,0 +1,13 @@
+from pathlib import Path
+import json
+from typing import List
+
+
+class LocalTestData:
+    def __init__(self, data_folder_name: str) -> None:
+        self.data_dir: Path = Path(__file__).resolve().parent.parent.parent / data_folder_name
+
+    def get_data(self, file_name: str) -> List:
+        with open(self.data_dir / file_name) as f:
+            data: List = json.load(f)
+        return data
\ No newline at end of file