Fix: Added the backend validation for name (#3878)

- Added the backend validation for name
- Add message size constraint

app/models/account.rb

@@ -33,6 +33,7 @@ class Account < ApplicationRecord
 
   validates :name, presence: true
   validates :auto_resolve_duration, numericality: { greater_than_or_equal_to: 1, less_than_or_equal_to: 999, allow_nil: true }
+  validates :name, length: { maximum: 255 }
 
   has_many :account_users, dependent: :destroy_async
   has_many :agent_bot_inboxes, dependent: :destroy_async

app/models/contact.rb

@@ -36,6 +36,7 @@ class Contact < ApplicationRecord
   validates :phone_number,
             allow_blank: true, uniqueness: { scope: [:account_id] },
             format: { with: /\+[1-9]\d{1,14}\z/, message: 'should be in e164 format' }
+  validates :name, length: { maximum: 255 }
 
   belongs_to :account
   has_many :conversations, dependent: :destroy_async

app/models/message.rb

@@ -39,6 +39,7 @@ class Message < ApplicationRecord
   validates :conversation_id, presence: true
   validates_with ContentAttributeValidator
   validates :content_type, presence: true
+  validates :content, length: { maximum: 150_000 }
 
   # when you have a temperory id in your frontend and want it echoed back via action cable
   attr_accessor :echo_id

app/models/user.rb

@@ -68,7 +68,7 @@ class User < ApplicationRecord
   # validates_uniqueness_of :email, scope: :account_id
 
   validates :email, :name, presence: true
-  validates_length_of :name, minimum: 1
+  validates_length_of :name, minimum: 1, maximum: 255
 
   has_many :account_users, dependent: :destroy_async
   has_many :accounts, through: :account_users