Gemfile

 gem 'sassc', '~> 2.2'
 gem 'sequel', '~> 5.30'
 gem 'sinatra', '~> 2.0'
+
+gem "truncato", "~> 0.7.11"

Gemfile.lock

     diff-lcs (1.3)
     dotenv (2.7.5)
     ffi (1.12.2)
+    htmlentities (4.3.4)
     httparty (0.18.0)
       mime-types (~> 3.0)
       multi_xml (>= 0.5.2)
       rack-protection (= 2.0.8.1)
       tilt (~> 2.0)
     tilt (2.0.10)
+    truncato (0.7.11)
+      htmlentities (~> 4.3.1)
+      nokogiri (>= 1.7.0, <= 2.0)
 
 PLATFORMS
   ruby
   sassc (~> 2.2)
   sequel (~> 5.30)
   sinatra (~> 2.0)
+  truncato (~> 0.7.11)
 
 BUNDLED WITH
    2.1.4

db/migrate.rb

+require 'pg'
 require 'sequel'
 
 require_relative 'connect'
 
 def migrate
-  db = connect
+  db = DB
   db.create_table? :threads do
     primary_key :id
     String :title
     column :tsv, 'tsvector'
   end
 
-  db.run('CREATE INDEX tsv_idx ON posts USING gin(tsv);')
-
-  db.create_function?(:update_last_post, <<-SQL, language: :plpgsql, returns: :trigger)
-    BEGIN
-      UPDATE threads
-      SET
-        last_post_created_at = NEW.created_at,
-        last_post_creator = NEW.creator
-      WHERE
-        threads.id = NEW.thread_id;
-      RETURN NEW;
-    END
-  SQL
-
-  db.create_function?(:set_posts_tsv, <<-SQL, language: :plpgsql, returns: :trigger)
-    BEGIN
-      NEW.tsv = to_tsvector(new.body);
-      RETURN NEW;
-    END
-  SQL
-
-  db.run(<<-SQL)
-    CREATE TRIGGER update_last_post
-    AFTER INSERT ON posts
-    FOR EACH ROW
-    EXECUTE PROCEDURE update_last_post();
-  SQL
-
-  db.run(<<-SQL)
-    CREATE TRIGGER set_posts_tsv
-    BEFORE INSERT OR UPDATE ON posts
-    FOR EACH ROW
-    EXECUTE PROCEDURE set_posts_tsv();
-  SQL
+  db.run('CREATE INDEX IF NOT EXISTS tsv_idx ON posts USING gin(tsv);')
+
+  begin
+    db.create_function(:update_last_post, <<-SQL, language: :plpgsql, returns: :trigger)
+      BEGIN
+        UPDATE threads
+        SET
+          last_post_created_at = NEW.created_at,
+          last_post_creator = NEW.creator
+        WHERE
+          threads.id = NEW.thread_id;
+        RETURN NEW;
+      END
+    SQL
+  rescue Sequel::DatabaseError => e
+    raise e unless e.wrapped_exception.is_a?(PG::DuplicateFunction)
+  end
+
+  begin
+    db.create_function(:set_posts_tsv, <<-SQL, language: :plpgsql, returns: :trigger)
+      BEGIN
+        NEW.tsv = to_tsvector(new.body);
+        RETURN NEW;
+      END
+    SQL
+  rescue Sequel::DatabaseError => e
+    raise e unless e.wrapped_exception.is_a?(PG::DuplicateFunction)
+  end
+
+  begin
+    db.run(<<-SQL)
+      CREATE TRIGGER update_last_post
+      AFTER INSERT ON posts
+      FOR EACH ROW
+      EXECUTE PROCEDURE update_last_post();
+    SQL
+  rescue Sequel::DatabaseError => e
+    raise e unless e.wrapped_exception.is_a?(PG::DuplicateObject)
+  end
+
+  begin
+    db.run(<<-SQL)
+      CREATE TRIGGER set_posts_tsv
+      BEFORE INSERT OR UPDATE ON posts
+      FOR EACH ROW
+      EXECUTE PROCEDURE set_posts_tsv();
+    SQL
+  rescue Sequel::DatabaseError => e
+    raise e unless e.wrapped_exception.is_a?(PG::DuplicateObject)
+  end
 end

web/server.rb

 require 'dotenv/load'
 require 'sequel'
 require 'sinatra'
+require 'truncato'
 
 require_relative '../db/connect'
 require_relative '../lib/auth'
     def external_link(url, text)
       "<a href=\"#{url}\" target=\"_blank\">#{text}</a>"
     end
+
+    def truncate(s)
+      Truncato.truncate(s, max_length: 500)
+    end
   end
 
   run! if __FILE__ == $0

web/views/results.erb

               In thread:
               <strong>
                 <%= external_link(
-                  "http://board.vivalavinyl.com/thread/view/#{result[:remote_thread_id]}",
+                  "http://board.vivalavinyl.com/thread/view/#{result[:remote_thread_id]}#post_#{result[:remote_id]}",
                   result[:thread_title]
                 ) %>
               </strong>
               <%= result[:creator] %> posted this at <%= result[:created_at] %>
             </p>
             <p class="result__body">
-              <%= result[:body] %>
+              <%= truncate(result[:body]) %>
             </p>
           <% end %>
         </div>