Fix new rubocop warnings

app/controllers/api/amf_controller.rb

@@ -904,7 +904,7 @@ module Api
     # Alternative SQL queries for getway/whichways
 
     def sql_find_ways_in_area(bbox)
-      sql = <<~SQL
+      sql = <<~SQL.squish
         SELECT DISTINCT current_ways.id AS wayid,current_ways.version AS version
           FROM current_way_nodes
         INNER JOIN current_nodes ON current_nodes.id=current_way_nodes.node_id
@@ -918,7 +918,7 @@ module Api
 
     def sql_find_pois_in_area(bbox)
       pois = []
-      sql = <<~SQL
+      sql = <<~SQL.squish
         SELECT current_nodes.id,current_nodes.latitude*0.0000001 AS lat,current_nodes.longitude*0.0000001 AS lon,current_nodes.version
         FROM current_nodes
          LEFT OUTER JOIN current_way_nodes cwn ON cwn.node_id=current_nodes.id
@@ -939,7 +939,7 @@ module Api
     def sql_find_relations_in_area_and_ways(bbox, way_ids)
       # ** It would be more Potlatchy to get relations for nodes within ways
       #    during 'getway', not here
-      sql = <<~SQL
+      sql = <<~SQL.squish
         SELECT DISTINCT cr.id AS relid,cr.version AS version
         FROM current_relations cr
         INNER JOIN current_relation_members crm ON crm.id=cr.id
@@ -947,7 +947,7 @@ module Api
          WHERE #{OSM.sql_for_area(bbox, 'cn.')}
       SQL
       unless way_ids.empty?
-        sql += <<~SQL
+        sql += <<~SQL.squish
           UNION
            SELECT DISTINCT cr.id AS relid,cr.version AS version
            FROM current_relations cr
@@ -961,7 +961,7 @@ module Api
 
     def sql_get_nodes_in_way(wayid)
       points = []
-      sql = <<~SQL
+      sql = <<~SQL.squish
         SELECT latitude*0.0000001 AS lat,longitude*0.0000001 AS lon,current_nodes.id,current_nodes.version
         FROM current_way_nodes,current_nodes
          WHERE current_way_nodes.id=#{wayid.to_i}

app/models/user.rb

@@ -202,7 +202,7 @@ class User < ApplicationRecord
       sql_for_area = QuadTile.sql_for_area(gc.bounds(radius), "home_")
       sql_for_distance = gc.sql_for_distance("home_lat", "home_lon")
       nearby = User.active.identifiable
-                   .where("id != ?", id)
+                   .where.not(:id => id)
                    .where(sql_for_area)
                    .where("#{sql_for_distance} <= ?", radius)
                    .order(Arel.sql(sql_for_distance))

db/migrate/004_user_enhancements.rb

@@ -24,7 +24,7 @@ class UserEnhancements < ActiveRecord::Migration[4.2]
     add_index "user_tokens", ["token"], :name => "user_tokens_token_idx", :unique => true
     add_index "user_tokens", ["user_id"], :name => "user_tokens_user_id_idx"
 
-    User.where("token is not null").each do |user|
+    User.where.not(:token => nil).each do |user|
       UserToken.create(:user_id => user.id, :token => user.token, :expiry => 1.week.from_now)
     end
 

db/migrate/006_tile_nodes.rb

@@ -11,7 +11,7 @@ class TileNodes < ActiveRecord::Migration[4.2]
 
   def self.upgrade_table(from_table, to_table, model)
     if ENV["USE_DB_FUNCTIONS"]
-      execute <<-SQL
+      execute <<-SQL.squish
       INSERT INTO #{to_table} (id, latitude, longitude, user_id, visible, tags, timestamp, tile)
       SELECT id, ROUND(latitude * 10000000), ROUND(longitude * 10000000),
              user_id, visible, tags, timestamp,
@@ -20,7 +20,7 @@ class TileNodes < ActiveRecord::Migration[4.2]
       FROM #{from_table}
       SQL
     else
-      execute <<-SQL
+      execute <<-SQL.squish
       INSERT INTO #{to_table} (id, latitude, longitude, user_id, visible, tags, timestamp, tile)
       SELECT id, ROUND(latitude * 10000000), ROUND(longitude * 10000000),
              user_id, visible, tags, timestamp, 0
@@ -32,7 +32,7 @@ class TileNodes < ActiveRecord::Migration[4.2]
   end
 
   def self.downgrade_table(from_table, to_table)
-    execute <<-SQL
+    execute <<-SQL.squish
     INSERT INTO #{to_table} (id, latitude, longitude, user_id, visible, tags, timestamp)
     SELECT id, latitude / 10000000, longitude / 10000000,
            user_id, visible, tags, timestamp