from _arango import arango

db = arango.db


persons = list(db.aql.execute("for doc in persons filter doc.other != true return doc"))

for person in persons:
    person_id = person['_id']
    if 'mentioned_in_interrogation' in person:
        for interrogation in person['mentioned_in_interrogation']:
            interrogation = db.collection('interrogations').get(interrogation)
            if 'mentioned_persons' not in interrogation:
                interrogation['mentioned_persons'] = []
            if person_id not in interrogation['mentioned_persons']:
                interrogation['mentioned_persons'].append(person_id)
            print(interrogation['mentioned_persons'], interrogation['_key'])
            db.collection('interrogations').update(interrogation, merge=False)

interrogations = list(db.collection("interrogations").all())

for interrogation in interrogations:
    if 'mentioned_persons' in interrogation:
        interrogation['mentioned_persons'] = list(set(interrogation['mentioned_persons']))
        db.collection('interrogations').update(interrogation, merge=False)