FEATURE: Allow sending invites to staged users

app/models/user.rb

@@ -218,6 +218,7 @@ class User < ActiveRecord::Base
   end
 
   EMAIL = %r{([^@]+)@([^\.]+)}
+  FROM_STAGED = "from_staged".freeze
 
   def self.new_from_params(params)
     user = User.new
@@ -228,6 +229,16 @@ class User < ActiveRecord::Base
     user
   end
 
+  def self.unstage(params)
+    if user = User.where(staged: true).with_email(params[:email].strip.downcase).first
+      params.each { |k, v| user.send("#{k}=", v) }
+      user.staged = false
+      user.active = false
+      user.custom_fields[FROM_STAGED] = true
+    end
+    user
+  end
+
   def self.suggest_name(email)
     return "" if email.blank?
     email[/\A[^@]+/].tr(".", " ").titleize
@@ -987,6 +998,10 @@ class User < ActiveRecord::Base
       self.user_stat&.time_read
   end
 
+  def from_staged?
+    custom_fields[User::FROM_STAGED]
+  end
+
   protected
 
   def badge_grant