filters interactivity + fix in fetch, flask and SQL requests

src/app.py

@@ -119,6 +119,28 @@ def data_item_request():
         print("fetching data item")
         return jsonify(get_item())
 
+@app.route('/app/dataitem-filtered',methods = ['POST'])
+def data_item_request_filtered():
+    print("fetching data item")
+    data = request.get_json()
+    filters_string = data.get('filters')
+    if len(filters_string)>0 :
+        lists_uuid = filters_string.split('#')
+    else:
+        lists_uuid = []
+    return jsonify(get_item_filtered(lists_uuid))
+
+@app.route('/app/datahistory-filtered',methods = ['POST'])
+def data_history_request_filtered():
+    print("fetching data history")
+    data = request.get_json()
+    filters_string = data.get('filters')
+    if len(filters_string)>0 :
+        lists_uuid = filters_string.split('#')
+    else:
+        lists_uuid = []
+    return jsonify(get_history_filtered(lists_uuid))
+
 @app.route('/app/datalist',methods = ['GET'])
 def data_list_request():
     if request.method == 'GET':

src/db.py

@@ -103,7 +103,7 @@ def get_item_filtered(lists_uuid):
         FROM item i
         """
         for i in range(n_filters):
-            sql_request += f', content c{str(i)}'
+            sql_request += f', listcontent c{str(i)}'
         sql_request += ' WHERE '
         for i,uuid in enumerate(lists_uuid):
             sql_request += f' i.uuid = c{str(i)}.item_uuid and c{str(i)}.list_uuid = {str(uuid)} and'
@@ -120,6 +120,35 @@ def get_item_filtered(lists_uuid):
         results = get_item()
     return results
 
+def get_history_filtered(lists_uuid):
+    '''
+    return history of items in a every specified lists (list of itemlist uuid)
+    all history if filter is empty
+    '''
+    n_filters = len(lists_uuid)
+    if n_filters > 0:
+        sql_request = """
+        SELECT uuid, quantity, discount_percentage, price, currency, h_timestamp
+        FROM history h
+        """
+        for i in range(n_filters):
+            sql_request += f', listcontent c{str(i)}'
+        sql_request += ' WHERE '
+        for i,uuid in enumerate(lists_uuid):
+            sql_request += f' h.uuid = c{str(i)}.item_uuid and c{str(i)}.list_uuid = {str(uuid)} and'
+
+        sql_request = sql_request[:-3]  # remove last 'and'
+
+        connection = connect_db()
+        cursor = connection.cursor()
+        cursor.execute(sql_request)
+        results = cursor.fetchall()
+        cursor.close()
+        connection.close()
+    else:
+        results = get_history()
+    return results
+
 def get_item_keys():
     '''return items id and attributes from database'''
     connection = connect_db()