Add a function to generate JSON from the DB

backend/main.py

@@ -1,9 +1,30 @@
 from flask import Flask
 app = Flask(__name__)
 
+import json
+import sqlite3
+import os
+DB_PATH = os.path.join(os.path.dirname(__file__), 'links.db')
+
 @app.route('/')
 def hello_world():
     return 'Hello, World!'
+    
+def regen_JSON():
+    """Gets links from DB and outputs them in JSON"""
+    con = sqlite3.connect(DB_PATH)
+    con.row_factory = sqlite3.Row
+    cur = con.cursor()
+    cur.execute('SELECT url, name FROM links ORDER BY position')
+
+    links_list = []
+    for row in cur.fetchall():
+      d = dict(zip(row.keys(), row))
+      links_list.append(d)
+    links_json = json.dumps(links_list, indent=4)
+
+    con.close()
+    return links_json
 
 if __name__ == "__main__":
     app.run(debug=True)