Implement change match score Interactor

app/interactors/ChangeMatchScore.rb

@@ -4,7 +4,11 @@ class ChangeMatchScore
   include Interactor
 
   def call
-    context.match.score_team1 = context.score_team1
-    context.match.score_team2 = context.score_team2
+    match = context.match
+    match.score_team1 = context.score_team1
+    match.score_team2 = context.score_team2
+    match.status = match.evaluate_status
+    match.save
+    context.match = match
   end
 end

app/interactors/UpdateMatchStatus.rb

@@ -1,27 +0,0 @@
-# frozen_string_literal: true
-
-require 'match'
-
-class UpdateMatchStatus
-  include Interactor
-
-  def call
-    context.match.status = evaluate_new_match_state(context.match)
-  end
-
-  def evaluate_new_match_state(match)
-    score_team1 = match.score_team1
-    score_team2 = match.score_team2
-    if score_team1 < score_team2
-      return Match.team2_won
-    elsif score_team2 < score_team1
-      return Match.team1_won
-    else
-      if match.is_group_match
-        return Match.undecided
-      else
-        return Match.in_progress
-      end
-    end
-  end
-end

app/models/match.rb

@@ -8,4 +8,18 @@ class Match < ApplicationRecord
   has_many :scores, dependent: :destroy
 
   validates :scores, length: { maximum: 2 }
+
+  def evaluate_status
+    if score_team1 < score_team2
+      :team2_won
+    elsif score_team2 < score_team1
+      :team1_won
+    else
+      group_match? ? :undecided : :in_progress 
+    end
+  end
+
+  def group_match?
+    group.present?
+  end
 end

app/organizers/UpdateMatchScore.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
-class UpdateMatchScore
+class UpdateMatch
   include Interactor::Organizer
 
-  organize ChangeMatchScore, UpdateMatchScore
+  organize ChangeMatchScore
 end

spec/interactors/change_match_score_spec.rb

@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+describe ChangeMatchScore do
+  subject(:context) do
+    @match = create(:match)
+    @score_team1 = 4
+    @score_team2 = 2
+    @expected_match_status = :team1_won
+    ChangeMatchScore.call(match: @match, score_team1: @score_team1, score_team2: @score_team2)
+  end
+
+  before do
+    allow(Match).to receive(:save).and_return(true)
+    allow(Match).to receive(:evaluate_status).and_return(@expected_match_status)
+  end
+
+  it 'succeeds' do
+    expect(context).to be_a_success
+  end
+
+  it 'changes match score accordingly' do
+    expect(context.match.score_team1).to eq(@score_team1)
+    expect(context.match.score_team2).to eq(@score_team2)
+  end
+
+  it 'changes match state accordingly' do
+    expect(context.match.status).to eq(@expected_match_status)
+  end
+end