Add contest voting

Co-authored-by: [email protected] <[email protected]>
Co-authored-by: Elizabeth Chow <[email protected]>
Co-authored-by: angelsl <[email protected]>

Author: 3 people

.gitignore

@@ -111,3 +111,6 @@ erl_crash.dump
 .elixir_ls/
 
 .env
+
+# Generated lexer
+/src/source_lexer.erl

config/config.exs

@@ -19,7 +19,11 @@ config :cadet, Cadet.Jobs.Scheduler,
   overlap: false,
   jobs: [
     # Grade assessments that close in the previous day at 00:01
-    {"1 0 * * *", {Cadet.Autograder.GradingJob, :grade_all_due_yesterday, []}}
+    {"1 0 * * *", {Cadet.Autograder.GradingJob, :grade_all_due_yesterday, []}},
+    # Compute contest leaderboard that close in the previous day at 00:01
+    {"1 0 * * *", {Cadet.Assessments, :update_final_contest_leaderboards, []}},
+    # Compute rolling leaderboard every 2 hours
+    {"0 */2 * * *", {Cadet.Assessments, :update_rolling_contest_leaderboards, []}}
   ]
 
 # Configures the endpoint

coveralls.json

@@ -8,6 +8,7 @@
     "lib/cadet/repo.ex",
     "lib/mix/tasks",
     "test/support",
-    "test/factories"
+    "test/factories",
+    "src/source_lexer.erl"
   ]
 }

lib/cadet/assessments/answer.ex

@@ -8,11 +8,13 @@ defmodule Cadet.Assessments.Answer do
   alias Cadet.Repo
   alias Cadet.Accounts.User
   alias Cadet.Assessments.Answer.AutogradingStatus
-  alias Cadet.Assessments.AnswerTypes.{MCQAnswer, ProgrammingAnswer}
+  alias Cadet.Assessments.AnswerTypes.{MCQAnswer, ProgrammingAnswer, VotingAnswer}
   alias Cadet.Assessments.{Question, QuestionType, Submission}
 
   schema "answers" do
     field(:grade, :integer, default: 0)
+    # used to compare answers with others
+    field(:relative_score, :float, default: 0.0)
     field(:adjustment, :integer, default: 0)
     field(:xp, :integer, default: 0)
     field(:xp_adjustment, :integer, default: 0)
@@ -117,7 +119,16 @@ defmodule Cadet.Assessments.Answer do
   defp validate_answer_content(changeset) do
     validate_arbitrary_embedded_struct_by_type(changeset, :answer, %{
       mcq: MCQAnswer,
-      programming: ProgrammingAnswer
+      programming: ProgrammingAnswer,
+      voting: VotingAnswer
     })
   end
+
+  @doc """
+  Used to update relative_score of answer to contest_score
+  """
+  def contest_score_update_changeset(answer, contest_score_param) do
+    answer
+    |> cast(contest_score_param, [:relative_score])
+  end
 end

lib/cadet/assessments/answer_types/voting_answer.ex

@@ -0,0 +1,19 @@
+defmodule Cadet.Assessments.AnswerTypes.VotingAnswer do
+  @moduledoc """
+  The VotingQuestion entity represents a Voting question.
+  """
+  use Cadet, :model
+
+  @primary_key false
+  embedded_schema do
+    field(:completed, :boolean)
+  end
+
+  @required_fields ~w(completed)a
+
+  def changeset(answer, params \\ %{}) do
+    answer
+    |> cast(params, @required_fields)
+    |> validate_required(@required_fields)
+  end
+end