[fix #1097] Accent insensitive search

app/jobs/find_dubious_procedures_job.rb

@@ -14,7 +14,7 @@ class FindDubiousProceduresJob < ApplicationJob
     # https://www.postgresql.org/docs/current/static/functions-matching.html#FUNCTIONS-POSIX-REGEXP
     forbidden_tdcs = TypeDeChamp
       .joins(:procedure)
-      .where("types_de_champ.libelle ~* '#{forbidden_regexp}'")
+      .where("unaccent(types_de_champ.libelle) ~* unaccent('#{forbidden_regexp}')")
       .where(type_champ: %w(text textarea))
       .where(procedures: { archived_at: nil, whitelisted_at: nil })
 

db/migrate/20180108132507_enable_unaccent_postgresql_extension.rb

@@ -0,0 +1,9 @@
+class EnableUnaccentPostgresqlExtension < ActiveRecord::Migration[5.0]
+  def up
+    execute 'CREATE EXTENSION unaccent;'
+  end
+
+  def down
+    execute 'DROP EXTENSION unaccent;'
+  end
+end

db/schema.rb

@@ -10,10 +10,11 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20180105152235) do
+ActiveRecord::Schema.define(version: 20180108132507) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
+  enable_extension "unaccent"
 
   create_table "administrateurs", force: :cascade do |t|
     t.string   "email",                  default: "", null: false

spec/jobs/find_dubious_procedures_job_spec.rb

@@ -16,7 +16,7 @@ RSpec.describe FindDubiousProceduresJob, type: :job do
 
     context 'with suspicious champs' do
       let(:forbidden_tdcs) do
-        [create(:type_de_champ_public, libelle: 'donne ton iban, stp'),
+        [create(:type_de_champ_public, libelle: 'num de securite sociale, stp'),
          create(:type_de_champ_public, libelle: "t'aurais une carte bancaire ?")]
       end