update.

.gitignore

@@ -165,4 +165,5 @@ data/
 *.svg
 .DS_Store
 .VSCodeCounter/
-.vscode/
+.vscode/
+*.db

server.py

@@ -73,6 +73,18 @@ def service():
     AUTO_CLEAN and os.remove(path)
     return response
 
+@app.route('/api/pov-element/dashboard', methods=["GET"])
+def dashboard():
+    start_time = request.args.get('start_time')
+    end_time = request.args.get('end_time')
+    data = fetch_dashboard(start_time, end_time)
+    res = {
+        'code': 0,
+        'image': data,
+    }
+    response = make_response(res)
+    return response
+
 def track_request(ip, type, data):
     cursor = db_conn.cursor()
     sql = """
@@ -87,6 +99,23 @@ def track_request(ip, type, data):
         cursor.close()
         db_conn.commit()
 
+def fetch_dashboard(start_time, end_time):
+    cursor = db_conn.cursor()
+    sql = """
+        SELECT TIME, TYPE, COUNT(*) FROM POV WHERE TIME BETWEEN ? AND ? GROUP BY TYPE, TIME;
+    """
+    param = (start_time, end_time)
+    try:
+        cursor.execute(sql, param)
+        result = cursor.fetchall()
+        app.logger.info(result)
+    except sqlite3.OperationalError as e:
+        app.logger.info(e)
+    finally:
+        cursor.close()
+        db_conn.commit()
+
+
 def init_dashboard():
     cursor = db_conn.cursor()
     sql = """
@@ -108,5 +137,5 @@ def init_dashboard():
 
 if __name__ == '__main__':
     init_dashboard()
-    server = pywsgi.WSGIServer(('0.0.0.0', 5000), app)
+    server = pywsgi.WSGIServer(('0.0.0.0', 5001), app)
     server.serve_forever()