added a couple of new webhook events - question.approve and answer.approve to trigger when a mod approves a post

Author: albogdano

src/main/java/com/erudika/scoold/controllers/QuestionController.java

@@ -275,13 +275,17 @@ public String modApprove(@PathVariable String id, HttpServletRequest req) {
 		if (utils.isMod(authUser)) {
 			if (showPost instanceof UnapprovedQuestion) {
 				showPost.setType(Utils.type(Question.class));
+				showPost.setApprovedby(authUser);
 				pc.create(showPost);
 				// this notification here is redundant
 				//utils.sendNewPostNotifications(showPost, req);
+				utils.triggerHookEvent("question.approve", showPost);
 			} else if (showPost instanceof UnapprovedReply) {
 				showPost.setType(Utils.type(Reply.class));
+				showPost.setApprovedby(authUser);
 				addRepOnReplyOnce(pc.read(showPost.getParentid()), (Profile) pc.read(showPost.getCreatorid()), true);
 				pc.create(showPost);
+				utils.triggerHookEvent("answer.approve", showPost);
 			}
 			utils.deleteReportsAfterModAction(showPost);
 		}

src/main/java/com/erudika/scoold/core/Post.java

@@ -86,6 +86,7 @@ public abstract class Post extends Sysprop {
 
 	private transient Profile author;
 	private transient Profile lastEditor;
+	private transient Profile approvedby;
 	private transient List<Comment> comments;
 	private transient Pager itemcount;
 	private transient Vote vote;
@@ -108,6 +109,14 @@ public void setApprovalTimestamp(Long approvalTimestamp) {
 		this.approvalTimestamp = approvalTimestamp;
 	}
 
+	public Profile getApprovedby() {
+		return approvedby;
+	}
+
+	public void setApprovedby(Profile approvedby) {
+		this.approvedby = approvedby;
+	}
+
 	public Boolean getDeprecated() {
 		if (deprecated == null || isReply()) {
 			deprecated = false;

src/main/java/com/erudika/scoold/utils/ScooldUtils.java

@@ -146,8 +146,10 @@ public final class ScooldUtils {
 				"question.create",
 				"question.close",
 				"question.view",
+				"question.approve",
 				"answer.create",
 				"answer.accept",
+				"answer.approve",
 				"report.create",
 				"comment.create",
 				"user.signin",