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class ProjectsFinder
# Returns all projects, optionally including group projects a user has access
# to.
#
# ## Examples
#
# Retrieving all public projects:
#
# ProjectsFinder.new.execute
#
# Retrieving all public/internal projects and those the given user has access
# to:
#
# ProjectsFinder.new.execute(some_user)
#
# Retrieving all public/internal projects as well as the group's projects the
# user has access to:
#
# ProjectsFinder.new.execute(some_user, group: some_group)
#
# Returns an ActiveRecord::Relation.
def execute(current_user = nil, options = {})
group = options[:group]
if group
segments = group_projects(current_user, group)
else
segments = all_projects(current_user)
end
if segments.length > 1
union = Gitlab::SQL::Union.new(segments.map { |s| s.select(:id) })
Project.where("projects.id IN (#{union.to_sql})")
else
segments.first
end
end
private
def group_projects(current_user, group)
return [group.projects.public_only] unless current_user
if current_user.external?
[
group_projects_for_user(current_user, group),
group.projects.public_only
]
else
[
group_projects_for_user(current_user, group),
group.projects.public_and_internal_only
]
end
end
def all_projects(current_user)
return [public_projects] unless current_user
if current_user.external?
[current_user.authorized_projects, public_projects]
else
[current_user.authorized_projects, public_and_internal_projects]
end
end
def group_projects_for_user(current_user, group)
if group.users.include?(current_user)
group.projects
else
group.projects.visible_to_user(current_user)
end
end
def public_projects
Project.unscoped.public_only
end
def public_and_internal_projects
Project.unscoped.public_and_internal_only
end
end
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