Use Typhoeus in ApiGeo adapter

app/lib/api_geo/api.rb

@@ -1,23 +1,44 @@
 class ApiGeo::API
+  TIMEOUT = 15
+
   def self.regions
     url = [API_GEO_URL, "regions"].join("/")
-    call(url)
+    call(url, { fields: :nom })
   end
 
   def self.departements
     url = [API_GEO_URL, "departements"].join("/")
-    call(url)
+    call(url, { fields: :nom })
   end
 
   def self.pays
-    File.open('app/lib/api_geo/pays.json').read
+    parse(File.open('app/lib/api_geo/pays.json').read)
   end
 
   private
 
-  def self.call(url)
-    RestClient.get(url, params: { fields: :nom })
-  rescue RestClient::ServiceUnavailable
-    nil
+  def self.parse(body)
+    JSON.parse(body, symbolize_names: true)
+  end
+
+  def self.call(url, body, method = :get)
+    response = Typhoeus::Request.new(
+      url,
+      method: method,
+      params: method == :get ? body : nil,
+      body: method == :post ? body : nil,
+      timeout: TIMEOUT,
+      accept_encoding: 'gzip',
+      headers: {
+        'Accept' => 'application/json',
+        'Accept-Encoding' => 'gzip, deflate'
+      }.merge(method == :post ? { 'Content-Type' => 'application/json' } : {})
+    ).run
+
+    if response.success?
+      parse(response.body)
+    else
+      nil
+    end
   end
 end