enable reportbooru integration for upload reports

app/logical/reports/uploads.rb

@@ -0,0 +1,26 @@
+module Reports
+  class Uploads
+    attr_reader :min_date, :max_date, :queries
+
+    def initialize(min_date, max_date, queries)
+      if min_date.present?
+        @min_date = min_date
+      else
+        @min_date = 30.days.ago.to_date
+      end
+
+      if max_date.present?
+        @max_date = max_date
+      else
+        @max_date = Date.today
+      end
+      
+      @queries = queries.to_s.split(/,\s*/).join(",")
+    end
+
+    def generate_sig
+      digest = OpenSSL::Digest.new("sha256")
+      OpenSSL::HMAC.hexdigest(digest, Danbooru.config.shared_remote_key, "#{min_date},#{max_date},#{queries}")
+    end
+  end
+end