Plugin Rewrite v2.3.0

This update constitutes a plugin rewrite to manage all options needed in the plugin into separate tabs and split files for maintenance.

lib/community_landing/data_fetcher.rb

@@ -0,0 +1,60 @@
+# frozen_string_literal: true
+
+module CommunityLanding
+  class DataFetcher
+    def self.fetch
+      s = SiteSetting
+      data = {}
+
+      # Top contributors
+      data[:contributors] = if s.contributors_enabled
+        User
+          .joins(:posts)
+          .where(posts: { created_at: s.contributors_days.days.ago.. })
+          .where.not(username: %w[system discobot])
+          .where(active: true, staged: false)
+          .group("users.id")
+          .order("COUNT(posts.id) DESC")
+          .limit(s.contributors_count)
+          .select("users.*, COUNT(posts.id) AS post_count")
+      end
+
+      # Public groups
+      data[:groups] = if s.groups_enabled
+        Group
+          .where(visibility_level: Group.visibility_levels[:public])
+          .where(automatic: false)
+          .limit(s.groups_count)
+      end
+
+      # Trending topics
+      data[:topics] = if s.topics_enabled
+        Topic
+          .listable_topics
+          .where(visible: true)
+          .where("topics.created_at > ?", 30.days.ago)
+          .order(posts_count: :desc)
+          .limit(s.topics_count)
+          .includes(:category, :user)
+      end
+
+      # Aggregate stats
+      chat_count = 0
+      begin
+        chat_count = Chat::Message.count if defined?(Chat::Message)
+      rescue
+        chat_count = 0
+      end
+
+      data[:stats] = {
+        members: User.real.count,
+        topics:  Topic.listable_topics.count,
+        posts:   Post.where(user_deleted: false).count,
+        likes:   Post.sum(:like_count),
+        chats:   chat_count,
+      }
+
+      data
+    end
+  end
+end