feat: Add Public APIs for API Channel (#2375)

app/models/channel/api.rb

@@ -2,11 +2,19 @@
 #
 # Table name: channel_api
 #
-#  id          :bigint           not null, primary key
-#  webhook_url :string
-#  created_at  :datetime         not null
-#  updated_at  :datetime         not null
-#  account_id  :integer          not null
+#  id             :bigint           not null, primary key
+#  hmac_mandatory :boolean          default(FALSE)
+#  hmac_token     :string
+#  identifier     :string
+#  webhook_url    :string
+#  created_at     :datetime         not null
+#  updated_at     :datetime         not null
+#  account_id     :integer          not null
+#
+# Indexes
+#
+#  index_channel_api_on_hmac_token  (hmac_token) UNIQUE
+#  index_channel_api_on_identifier  (identifier) UNIQUE
 #
 
 class Channel::Api < ApplicationRecord
@@ -15,6 +23,9 @@ class Channel::Api < ApplicationRecord
   validates :account_id, presence: true
   belongs_to :account
 
+  has_secure_token :identifier
+  has_secure_token :hmac_token
+
   has_one :inbox, as: :channel, dependent: :destroy
 
   def name

app/models/channel/web_widget.rb

@@ -4,6 +4,7 @@
 #
 #  id                    :integer          not null, primary key
 #  feature_flags         :integer          default(3), not null
+#  hmac_mandatory        :boolean          default(FALSE)
 #  hmac_token            :string
 #  pre_chat_form_enabled :boolean          default(FALSE)
 #  pre_chat_form_options :jsonb