in services/recommendation-service/src/app.py [0:0]
def application():
headers = {}
for key in [
'x-b3-traceid',
'x-b3-spanid',
'x-b3-parentspanid',
'x-b3-sampled',
'x-b3-flags',
]:
val = request.headers.get(key)
if val is not None:
headers[key] = request.headers[key]
songsResponse = requests.get('http://songs/songs', headers=headers)
songs = songsResponse.json()
ratingResponse = requests.get('http://rating/rating', headers=headers)
ratings = ratingResponse.json()
# combine ratings to songs
ratings_dict = {}
for rating_data in ratings:
song_id = rating_data['id']
ratings_dict[song_id] = rating_data['rating']
for song_data in songs:
song_id = song_data['id']
rating = ratings_dict.get(song_id)
if rating is not None:
song_data['rating'] = rating
return jsonify(songs)