Centralize auth messages (#269)

* Add i18n-tasks

* Add auth-related i18n

* Centralize auth messages

* Remove safe navigation

* Revert "Remove safe navigation"

This reverts commit 56b5e01e5e0ab9f54a9a5d9f5559e29897d239a4.

* Remove newline in Gemfile

app/controllers/password_resets_controller.rb

@@ -1,6 +1,8 @@
 class PasswordResetsController < ApplicationController
   layout "auth"
 
+  before_action :set_user_by_token, only: :update
+
   def new
   end
 
@@ -12,7 +14,7 @@ class PasswordResetsController < ApplicationController
       ).password_reset.deliver_later
     end
 
-    redirect_to root_path, notice: "If an account with that email exists, we have sent a link to reset your password."
+    redirect_to root_path, notice: t(".requested")
   end
 
   def edit
@@ -20,7 +22,7 @@ class PasswordResetsController < ApplicationController
 
   def update
     if @user.update(password_params)
-      redirect_to new_session_path, notice: "Your password has been reset."
+      redirect_to new_session_path, notice: t(".success")
     else
       render :edit, status: :unprocessable_entity
     end
@@ -30,7 +32,7 @@ class PasswordResetsController < ApplicationController
 
   def set_user_by_token
     @user = User.find_by_token_for(password_reset: params[:token])
-    redirect_to new_password_reset_path, alert: "Invalid token." unless @user.present?
+    redirect_to new_password_reset_path, alert: t("password_resets.update.invalid_token") unless @user.present?
   end
 
   def password_params

app/controllers/passwords_controller.rb

@@ -6,7 +6,7 @@ class PasswordsController < ApplicationController
 
   def update
     if current_user.update(password_params)
-      redirect_to root_path, notice: "Your password has been updated successfully."
+      redirect_to root_path, notice: t(".success")
     else
       render :edit, status: :unprocessable_entity
     end

app/controllers/registrations_controller.rb

@@ -14,10 +14,10 @@ class RegistrationsController < ApplicationController
 
     if @user.save
       login @user
-      flash[:notice] = "You have signed up successfully."
+      flash[:notice] = t(".success")
       redirect_to root_path
     else
-      flash[:alert] = "Invalid input, please try again."
+      flash[:alert] = t(".failure")
       render :new
     end
   end
@@ -34,7 +34,7 @@ class RegistrationsController < ApplicationController
 
   def claim_invite_code
     unless InviteCode.claim! params[:user][:invite_code]
-      redirect_to new_registration_path, alert: "Invalid invite code, please try again."
+      redirect_to new_registration_path, alert: t("registrations.create.invalid_invite_code")
     end
   end
 end

app/controllers/sessions_controller.rb

@@ -9,13 +9,13 @@ class SessionsController < ApplicationController
       login user
       redirect_to root_path
     else
-      flash.now[:alert] = "Invalid email or password."
+      flash.now[:alert] = t(".invalid_credentials")
       render :new, status: :unprocessable_entity
     end
   end
 
   def destroy
     logout
-    redirect_to root_path, notice: "You have signed out successfully."
+    redirect_to root_path, notice: t(".logout_successful")
   end
 end