Modify backend app

- add download route
- combine chart endpoints to single get_json route

backend/app.py

@@ -1,10 +1,12 @@
-from flask import Flask, request, json, Response
+from flask import Flask, jsonify, request, json, Response, send_from_directory, abort
 from flask_cors import CORS
-import orjson
+import orjson, os
 
 app = Flask(__name__)
 CORS(app)
 
+FILES_DIRECTORY = '../data/'
+
 @app.route('/bitcoin_business_growth_by_country', methods=['GET'])
 def business_growth():
     # Parse args from request
@@ -36,45 +38,26 @@ def business_growth():
     # Return json
     return Response(json.dumps(sorted_data), mimetype='application/json')
 
-@app.route('/price', methods=['GET'])
-def price():
+@app.route('/get_json/<filename>', methods=['GET'])
+def get_json(filename):
+    file_path = os.path.join(FILES_DIRECTORY, filename)
+    if not os.path.isfile(file_path):
+        abort(404)
 
-    # Open json locally
-    with open('../data/final__price.json', 'rb') as f:
-        data = orjson.loads(f.read())
+    with open(file_path, 'r') as file:
+        data = json.load(file)
 
-    # Return json
-    return Response(json.dumps(data), mimetype='application/json')
+    return jsonify(data)
 
-@app.route('/miner_rewards', methods=['GET'])
-def miner_rewards():
+@app.route('/download/<filename>', methods=['GET'])
+def download_file(filename):
+    try:
+        return send_from_directory(FILES_DIRECTORY, filename, as_attachment=True)
+    except FileNotFoundError:
+        abort(404)
 
-    # Open json locally
-    with open('../data/final__miner_rewards.json', 'rb') as f:
-        data = orjson.loads(f.read())
-
-    # Return json
-    return Response(json.dumps(data), mimetype='application/json')
-
-@app.route('/hashrate', methods=['GET'])
-def hashrate():
-
-    # Open json locally
-    with open('../data/dev/final__hashrate.json', 'rb') as f:
-        data = orjson.loads(f.read())
-
-    # Return json
-    return Response(json.dumps(data), mimetype='application/json')
-
-@app.route('/feerates', methods=['GET'])
-def feerates():
-
-    # Open json locally
-    with open('../data/final__feerate_percentiles.json', 'rb') as f:
-        data = orjson.loads(f.read())
-
-    # Return json
-    return Response(json.dumps(data), mimetype='application/json')
+if __name__ == '__main__':
+    app.run(debug=True)
 
 if __name__ == '__main__':
     app.run()