simplify Search.new_musicians api

ruby/lib/jam_ruby/models/search.rb

@@ -291,13 +291,16 @@ module JamRuby
       false
     end
 
-    def self.new_musicians(usr, since_date=Time.now - 1.week, max_count=50, radius=M_MILES_DEFAULT)
+    def self.new_musicians(usr, since_date)
       # todo scott turn this into score .within(radius, :origin => [usr.lat, usr.lng])
+
       rel = User.musicians
         .where(['created_at >= ? AND users.id != ?', since_date, usr.id])
         .order('created_at DESC')
-        .limit(max_count)
+        .limit(50)
+
       objs = rel.all.to_a
+      
       if block_given?
         yield(objs) if 0 < objs.count
       else

ruby/spec/jam_ruby/models/musician_search_spec.rb

@@ -280,7 +280,7 @@ describe 'Musician search' do
       # create new user outside 500 from Apex to ensure its excluded from results
       FactoryGirl.create(:user, {city: "Austin", state: "TX", country: "US"})
       User.geocoded_users.find_each do |usr|
-        Search.new_musicians(usr) do |new_usrs|
+        Search.new_musicians(usr, Time.now - 1.week) do |new_usrs|
           # the newly created user is not nearby the existing users (which are in Apex, NC)
           # and that user is not included in query 
           expect(new_usrs.count).to eq(User.musicians.count - 1)
@@ -293,7 +293,7 @@ describe 'Musician search' do
       # create new user outside 500 from Apex to ensure its excluded from results
       FactoryGirl.create(:user, {city: "Austin", state: "TX", country: "US"})
       User.geocoded_users.find_each do |usr|
-        Search.new_musicians(usr) do |new_usrs|
+        Search.new_musicians(usr, Time.now - 1.week) do |new_usrs|
           # the newly created user is not nearby the existing users (which are in Apex, NC)
           # and that user is not included in query 
           expect(new_usrs.count).to eq(User.musicians.count - 1)