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class SnippetsFinder < UnionFinder
attr_accessor :current_user, :params
def initialize(current_user, params = {})
@current_user = current_user
@params = params
end
def execute
items = init_collection
items = by_project(items)
items = by_author(items)
items = by_visibility(items)
items.fresh
end
private
def init_collection
items = Snippet.all
accessible(items)
end
def accessible(items)
segments = []
segments << items.public_to_user(current_user)
segments << authorized_to_user(items) if current_user
find_union(segments, Snippet)
end
def authorized_to_user(items)
items.where(
'author_id = :author_id
OR project_id IN (:project_ids)',
author_id: current_user.id,
project_ids: current_user.authorized_projects.select(:id))
end
def by_visibility(items)
visibility = params[:visibility] || visibility_from_scope
return items unless visibility
items.where(visibility_level: visibility)
end
def by_author(items)
return items unless params[:author]
items.where(author_id: params[:author].id)
end
def by_project(items)
return items unless params[:project]
items.where(project_id: params[:project].id)
end
def visibility_from_scope
case params[:scope].to_s
when 'are_private'
Snippet::PRIVATE
when 'are_internal'
Snippet::INTERNAL
when 'are_public'
Snippet::PUBLIC
else
nil
end
end
end
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