Integrate feedback UI with wufoo service.

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

@@ -108,7 +108,7 @@ div.full-size.pdf(ng-controller="PdfController")
 					'alert-info':    entry.level == 'typesetting'\
 				}"
 				ng-click="openInEditor(entry)"
-				ng-init="feedbackSent = false; showNegFeedbackUI = false; negFeedbackReason = '';"
+				ng-init="feedbackSent = false; showNegFeedbackUI = false; negFeedbackReason = ''; negFeedbackReasonFreeText = ''"
 			)
 				span.line-no
 					i.fa.fa-link(aria-hidden="true")
@@ -154,32 +154,32 @@ div.full-size.pdf(ng-controller="PdfController")
 								input(
 									type="radio"
 									ng-model="negFeedbackReason"
-									value="didnt_understand"
+									value="{{ logHintsNegFeedbackValues.DIDNT_UNDERSTAND }}"
 								)
 								| I didn’t understand the hint
 							.radio: label
 								input(
 									type="radio"
 									ng-model="negFeedbackReason"
-									value="not_applicable"
+									value="{{ logHintsNegFeedbackValues.NOT_APPLICABLE }}"
 								)
 								| I can’t apply this solution to my document
 							.radio: label
 								input(
 									type="radio"
 									ng-model="negFeedbackReason"
-									value="incorrect"
+									value="{{ logHintsNegFeedbackValues.INCORRECT }}"
 								)
 								| This doesn’t fix the error
 							.radio: label
 								input(
 									type="radio"
 									ng-model="negFeedbackReason"
-									value="other"
+									value="{{ logHintsNegFeedbackValues.OTHER }}"
 								)
 								| Other:
 							textarea.form-control(
-								ng-show="negFeedbackReason === 'other'"
+								ng-show="negFeedbackReason === logHintsNegFeedbackValues.OTHER"
 								rows="2"
 							)
 							.clearfix

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

@@ -3,8 +3,9 @@ define [
 	"ace/ace"
 	"ide/human-readable-logs/HumanReadableLogs"
 	"libs/bib-log-parser"
+	"services/log-hints-feedback"
 ], (App, Ace, HumanReadableLogs, BibLogParser) ->
-	App.controller "PdfController", ($scope, $http, ide, $modal, synctex, event_tracking, localStorage) ->
+	App.controller "PdfController", ($scope, $http, ide, $modal, synctex, event_tracking, logHintsFeedback, localStorage) ->
 
 		# enable per-user containers by default
 		perUserCompile = true
@@ -32,6 +33,8 @@ define [
 					$scope.shouldDropUp = getFilesDropdownTopCoordAsRatio() > 0.65
 
 		# log hints tracking
+		$scope.logHintsNegFeedbackValues = logHintsFeedback.feedbackOpts
+		
 		$scope.trackLogHintsLearnMore = () ->
 			event_tracking.sendCountly "logs-hints-learn-more"
 
@@ -39,6 +42,9 @@ define [
 			event_tracking.send "log-hints", (if isPositive then "feedback-positive" else "feedback-negative"), hintId
 			event_tracking.sendCountly (if isPositive then "log-hints-feedback-positive" else "log-hints-feedback-negative"), { hintId }
 
+		trackLogHintsNegFeedbackDetails = (hintId, feedbackOpt, feedbackOtherVal)
+			logHintsFeedback.submitFeedback
+
 		$scope.trackLogHintsPositiveFeedback = (hintId) -> trackLogHintsFeedback true, hintId
 		$scope.trackLogHintsNegativeFeedback = (hintId) -> trackLogHintsFeedback false, hintId