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# frozen_string_literal: true
class BranchesFinder
def initialize(repository, params = {})
@repository = repository
@params = params
end
def execute
branches = repository.branches_sorted_by(sort)
branches = by_search(branches)
branches = by_names(branches)
branches
end
private
attr_reader :repository, :params
def names
@params[:names].presence
end
def search
@params[:search].presence
end
def sort
@params[:sort].presence || 'name'
end
def by_search(branches)
return branches unless search
case search
when ->(v) { v.starts_with?('^') }
filter_branches_with_prefix(branches, search.slice(1..-1).upcase)
when ->(v) { v.ends_with?('$') }
filter_branches_with_suffix(branches, search.chop.upcase)
else
matches = filter_branches_by_name(branches, search.upcase)
set_exact_match_as_first_result(matches, search)
end
end
def filter_branches_with_prefix(branches, prefix)
branches.select { |branch| branch.name.upcase.starts_with?(prefix) }
end
def filter_branches_with_suffix(branches, suffix)
branches.select { |branch| branch.name.upcase.ends_with?(suffix) }
end
def filter_branches_by_name(branches, term)
branches.select { |branch| branch.name.upcase.include?(term) }
end
def set_exact_match_as_first_result(matches, term)
exact_match_index = find_exact_match_index(matches, term)
matches.insert(0, matches.delete_at(exact_match_index)) if exact_match_index
matches
end
def find_exact_match_index(matches, term)
matches.index { |branch| branch.name.casecmp(term) == 0 }
end
def by_names(branches)
return branches unless names
branch_names = names.to_set
branches.select do |branch|
branch_names.include?(branch.name)
end
end
end
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