1 files changed, 37 insertions, 0 deletions
diff --git a/app/models/abuse/trust_score.rb b/app/models/abuse/trust_score.rb
new file mode 100644
index 00000000000..9ad7c9b14b1
--- /dev/null
+++ b/app/models/abuse/trust_score.rb
@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+module Abuse
+  class TrustScore < ApplicationRecord
+    MAX_EVENTS = 100
+
+    self.table_name = 'abuse_trust_scores'
+
+    enum source: Enums::Abuse::Source.sources
+
+    belongs_to :user
+
+    validates :user, presence: true
+    validates :score, presence: true
+    validates :source, presence: true
+
+    before_create :assign_correlation_id
+    after_commit :remove_old_scores
+
+    private
+
+    def assign_correlation_id
+      self.correlation_id_value ||= (Labkit::Correlation::CorrelationId.current_id || '')
+    end
+
+    def remove_old_scores
+      count = user.trust_scores_for_source(source).count
+      return unless count > MAX_EVENTS
+
+      TrustScore.delete(
+        user.trust_scores_for_source(source)
+        .order(created_at: :asc)
+        .limit(count - MAX_EVENTS)
+      )
+    end
+  end
+end