Automated First Post Badge (#20600)

* award first post logic, schedule, and tests

* award first post logic, schedule, and tests

app/services/badges/award_first_post.rb

@@ -0,0 +1,21 @@
+module Badges
+  class AwardFirstPost
+    BADGE_SLUG = "first-post".freeze
+
+    def self.call
+      return unless (badge_id = Badge.id_for_slug(BADGE_SLUG))
+
+      Article.joins(:user)
+        .where("articles.published_at > ?", 1.week.ago)
+        .where("articles.published_at < ?", 1.hour.ago)
+        .where(nth_published_by_author: 1)
+        .where.not(users: { id: User.with_role(:spam).or(User.with_role(:suspended)) })
+        .find_each do |article|
+          BadgeAchievement.create(
+            user_id: article.user_id,
+            badge_id: badge_id,
+          )
+        end
+    end
+  end
+end

config/schedule.yml

@@ -94,6 +94,14 @@ award_thumbs_up_badges:
     - ""
     - award_thumbs_up
     - ""
+award_first_post_badges:
+  description: "Awards First Post badges to users (runs daily at 02:00 UTC) "
+  cron: "0 2 * * *"
+  class: "BadgeAchievements::BadgeAwardWorker"
+  args:
+    - ""
+    - award_first_post
+    - ""
 resave_supported_tags:
   description: "Resaves supported tags to recalculate scores (runs daily at 00:25 UTC)"
   cron: "25 0 * * *"

spec/services/badges/award_first_post_spec.rb

@@ -0,0 +1,58 @@
+require "rails_helper"
+
+RSpec.describe Badges::AwardFirstPost do
+  describe ".call" do
+    before do
+      create(:badge, title: "First Post")
+    end
+
+    after do
+      Timecop.return
+    end
+
+    context "when the article is created outside the award window" do
+      it "does not award the badge for an article created more than a week ago" do
+        Timecop.freeze(2.weeks.ago) do
+          create(:article)
+        end
+        Timecop.return
+        expect { described_class.call }.not_to change(BadgeAchievement, :count)
+      end
+
+      it "does not award the badge for an article created less than an hour ago" do
+        create(:article)
+        expect { described_class.call }.not_to change(BadgeAchievement, :count)
+      end
+    end
+
+    context "when the article is created within the award window" do
+      it "awards the badge" do
+        Timecop.freeze(2.days.ago) do
+          create(:article, user: create(:user))
+        end
+        Timecop.return
+        expect { described_class.call }.to change(BadgeAchievement, :count).by(1)
+      end
+    end
+
+    context "when the user has a spam or suspended role" do
+      it "does not award the badge to a spam user" do
+        user = create(:user).tap { |u| u.add_role(:spam) }
+        Timecop.freeze(2.days.ago) do
+          create(:article, user: user)
+        end
+        Timecop.return
+        expect { described_class.call }.not_to change(BadgeAchievement, :count)
+      end
+
+      it "does not award the badge to a suspended user" do
+        user = create(:user).tap { |u| u.add_role(:suspended) }
+        Timecop.freeze(2.days.ago) do
+          create(:article, user: user)
+        end
+        Timecop.return
+        expect { described_class.call }.not_to change(BadgeAchievement, :count)
+      end
+    end
+  end
+end