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When using IssuableFinder with a Group we can greatly reduce the amount of projects operated on (due to not including all public/internal projects) by simply passing it down to the ProjectsFinder class. This reduces the timings of the involved queries from roughly 300 ms to roughly 20 ms. Fixes gitlab-org/gitlab-ce#4071, gitlab-org/gitlab-ce#3707
Finders
This type of classes responsible for collection items based on different conditions. To prevent lookup methods in models like this:
class Project
def issues_for_user_filtered_by(user, filter)
# A lot of logic not related to project model itself
end
end
issues = project.issues_for_user_filtered_by(user, params)
Better use this:
issues = IssuesFinder.new(project, user, filter).execute
It will help keep models thiner.