def aggreagate_profile_data(repos: List[Repository]) -> Profile:
"""Aggregate data across repositories to form a profile.
Parameters
----------
repos : List[Repository]
All of the user/teams' repositories.
Returns
-------
Profile
User/team profile with data collected from all of the repositories.
"""
owned_count = forks_count = watchers = 0
language_count: DefaultDict[str, int] = defaultdict(int)
topics = set()
for repo in repos:
language_count[repo.language] += 1
if repo.forked:
forks_count += 1
else:
owned_count += 1
watchers += repo.watchers
topics = topics.union(repo.topics)
repos = Repositories.construct(owned=owned_count,
forked=forks_count,
topics=topics)
return Profile.construct(repositories=repos,
languages=dict(language_count),
watchers=watchers)
