Track log hints feedback.

services/web/app/views/project/editor/pdf.jade

@@ -128,12 +128,12 @@ div.full-size.pdf(ng-controller="PdfController")
 						)
 							label.card-hint-feedback-label #{translate("log_hint_feedback_label")}
 							a.card-hint-feedback-positive(
-								ng-click="feedbackSent = true;"
+								ng-click="trackLogHintsPositiveFeedback(entry.ruleId); feedbackSent = true;"
 								href
 							) #{translate("answer_yes")}
 							span  / 
 							a.card-hint-feedback-negative(
-								ng-click="feedbackSent = true;"
+								ng-click="trackLogHintsNegativeFeedback(entry.ruleId); feedbackSent = true;"
 								href
 							) #{translate("answer_no")}
 						.card-hint-feedback(ng-show="feedbackSent")

services/web/public/coffee/ide/pdf/controllers/PdfController.coffee

@@ -15,6 +15,13 @@ define [
 		$scope.shouldShowLogs = false
 		$scope.wikiEnabled = window.wikiEnabled;
 
+		# log hints tracking
+		trackLogHintsFeedback = (isPositive, hintId) ->
+			event_tracking.send 'log-hints', (if isPositive then 'feedback-positive' else 'feedback-negative'), hintId
+
+		$scope.trackLogHintsPositiveFeedback = (hintId) -> trackLogHintsFeedback true, hintId
+		$scope.trackLogHintsNegativeFeedback = (hintId) -> trackLogHintsFeedback false, hintId
+
 		if ace.require("ace/lib/useragent").isMac
 			$scope.modifierKey = "Cmd"
 		else