/**
 * @name Number of re-commits for each file
 * @description A re-commit is taken to mean a commit to a file that was touched less than five days ago.
 * @kind treemap
 * @id py/historical-number-of-re-commits
 * @treemap.warnOn highValues
 * @metricType file
 * @metricAggregate avg min max 
 */
import python
import external.VCS

predicate inRange(Commit first, Commit second) {
	first.getAnAffectedFile() = second.getAnAffectedFile() and
	first != second and
	exists(int n | n = first.getDate().daysTo(second.getDate()) and
		n >= 0 and n < 5)
}

int recommitsForFile(File f) {
	result = count(Commit recommit |
	  f = recommit.getAnAffectedFile() and
	  exists(Commit prev | inRange(prev, recommit)))
}

from Module m
where exists(m.getMetrics().getNumberOfLinesOfCode())
select m, recommitsForFile(m.getFile())