Add a question management page

What does this MR do?

Adds a question management page for admins that allows:

• Viewing questions stored in DB.
• Deleting (disabling) questions stored in DB.

Also adds ability to access page via user navigation if user is an admin.

Relevant Screenshots

Testing

• Log in as an admin.
• Navigate to questions page.
• Ensure you can see questions.
• Add a question.
• Delete a question.

Relevant issues

None.

backend-services/feed-service/app/controllers/QuestionController.scala

@@ -2,7 +2,7 @@ package controllers
 
 import models.{Question}
 import models.actions.{AuthenticatedUserAction, AuthenticationRequest}
-import models.exceptions.{ConflictException, InvalidRequestBodyException, ForbiddenException}
+import models.exceptions.{ConflictException, InvalidRequestBodyException, InvalidQueryParameterException, ForbiddenException}
 
 import javax.inject._
 import play.api.mvc._
@@ -10,6 +10,7 @@ import play.api.libs.json.{JsValue}
 import play.api.libs.json.JsLookupResult
 
 import scala.concurrent.TimeoutException
+import org.bson.types.ObjectId
 
 
 /**
@@ -19,6 +20,27 @@ import scala.concurrent.TimeoutException
 class QuestionController @Inject()(val controllerComponents: ControllerComponents, authenticatedUserAction: AuthenticatedUserAction)
     extends BaseController {
 
+  /**
+   * Create an Action to get all the Questions in the DB.
+   */
+  def getQuestions() = authenticatedUserAction { implicit request: AuthenticationRequest[AnyContent] =>
+    println("QuestionController:getQuestions")
+
+    try {
+        if (!request.isAdmin) throw new ForbiddenException("You must be an admin to get the stored questions.")
+        val questions: Seq[Question] = Question.getQuestionsAsync()
+        val jsonResult: JsValue = Question.toJson(questions)
+        Ok(jsonResult)
+    } catch {
+        case _: TimeoutException => BadRequest("Request timed out")
+        case ex: ForbiddenException => Forbidden(ex.getMessage())
+        case ex: Throwable => {
+          println(ex.getMessage())
+          BadRequest("Exception raised")
+        }
+    }
+  }
+
   /**
    * Create an Action to insert a Question to the DB.
    */
@@ -41,6 +63,30 @@ class QuestionController @Inject()(val controllerComponents: ControllerComponent
     }
   }
 
+    /**
+   * Create an Action to disable a Question in the DB.
+   */
+  def disableQuestion(questionId: String) = authenticatedUserAction { implicit request: AuthenticationRequest[AnyContent] =>
+    println("QuestionController:disableQuestion")
+
+    try {
+        if (!ObjectId.isValid(questionId)) throw new InvalidQueryParameterException("Invalid query parameter ID format: questionId")
+        if (!request.isAdmin) throw new ForbiddenException("You must be an admin to disable a question.")
+
+        Question.disableQuestionAsync(new ObjectId(questionId))
+        Ok("Disabled question")
+    } catch {
+        case _: TimeoutException => BadRequest("Request timed out")
+        case ex: InvalidQueryParameterException => BadRequest(ex.getMessage())
+        case ex: ConflictException => BadRequest(ex.getMessage())
+        case ex: ForbiddenException => Forbidden(ex.getMessage())
+        case ex: Throwable => {
+          println(ex.getMessage())
+          BadRequest("Exception raised")
+        }
+    }
+  }
+
   /**
    * Fetch the needed values from the request body for the liking/unliking a Daily endpoint.
    *