Fix problem with search with diacritic

app/models/account.rb

@@ -58,7 +58,7 @@ class Account < ActiveRecord::Base
   scope :assigned_to, lambda { |user| where(:assigned_to => user.id) }
 
   scope :search, lambda { |query|
-    query = query.gsub(/[^\w\s\-\.']/, '').strip
+    query = query.gsub(/[^\w\s\-\.'\p{L}]/u, '').strip
     where('upper(name) LIKE upper(:m) OR upper(email) LIKE upper(:m)', :m => "%#{query}%")
   }
 

app/models/campaign.rb

@@ -57,7 +57,7 @@ class Campaign < ActiveRecord::Base
   scope :assigned_to, lambda { |user| where('assigned_to = ?', user.id) }
 
   scope :search, lambda { |query|
-    query = query.gsub(/[^\w\s\-\.']/, '').strip
+    query = query.gsub(/[^\w\s\-\.'\p{L}]/u, '').strip
     where('upper(name) LIKE upper(?)', "%#{query}%")
   }
 

app/models/contact.rb

@@ -67,7 +67,7 @@ class Contact < ActiveRecord::Base
   scope :assigned_to, lambda { |user| { :conditions => ["assigned_to = ?", user.id ] } }
 
   scope :search, lambda { |query|
-    query = query.gsub(/[^@\w\s\-\.']/, '').strip
+    query = query.gsub(/[^@\w\s\-\.'\p{L}]/u, '').strip
     # We can't be sure that names are always entered in the right order, so we take the query and
     # split it into all possible first/last name combinations.
     # => "Zhong Fai Gao" matches last name "Zhong Fai" and "Fai Gao"

app/models/lead.rb

@@ -69,7 +69,7 @@ class Lead < ActiveRecord::Base
   scope :assigned_to, lambda { |user| where('assigned_to = ?' , user.id) }
 
   scope :search, lambda { |query|
-    query = query.gsub(/[^\w\s\-\.']/, '').strip
+    query = query.gsub(/[^\w\s\-\.'\p{L}]/u, '').strip
     where('upper(first_name) LIKE upper(:s) OR upper(last_name) LIKE upper(:s) OR upper(company) LIKE upper(:m) OR upper(email) LIKE upper(:m)', :s => "#{query}%", :m => "%#{query}%")
   }
 

app/models/opportunity.rb

@@ -60,7 +60,7 @@ class Opportunity < ActiveRecord::Base
 
   # Search by name OR id
   scope :search, lambda { |query|
-    query = query.gsub(/[^\w\s\-\.']/, '').strip
+    query = query.gsub(/[^\w\s\-\.'\p{L}]/u, '').strip
     # postgresql does not like to compare string to integer field
     if query =~ /^\d+$/
       where('upper(name) LIKE upper(:name) OR opportunities.id = :id', :name => "%#{query}%", :id => query)

app/models/task.rb

@@ -93,7 +93,7 @@ class Task < ActiveRecord::Base
   scope :completed_last_month, where('completed_at >= ? AND completed_at < ?', (Time.zone.now.beginning_of_month.utc - 1.day).beginning_of_month.utc, Time.zone.now.beginning_of_month.utc)
 
   scope :search, lambda { |query|
-    query = query.gsub(/[^\w\s\-\.']/, '').strip
+    query = query.gsub(/[^\w\s\-\.'\p{L}]/u, '').strip
     where('upper(name) LIKE upper(?)', "%#{query}%")
   }
 

app/models/user.rb

@@ -76,7 +76,7 @@ class User < ActiveRecord::Base
   scope :by_name, order('first_name, last_name, email')
 
   scope :search, lambda { |query|
-    query = query.gsub(/[^\w\s\-\.']/, '').strip
+    query = query.gsub(/[^\w\s\-\.'\p{L}]/u, '').strip
     where('upper(username) LIKE upper(:s) OR upper(first_name) LIKE upper(:s) OR upper(last_name) LIKE upper(:s)', :s => "#{query}%")
   }