discourse-chat-integration/app/models/plugin_model.rb

42 lines
963 B
Ruby

# frozen_string_literal: true
class DiscourseChatIntegration::PluginModel < PluginStoreRow
PLUGIN_NAME = 'discourse-chat-integration'
default_scope { self.default_scope }
after_initialize :init_plugin_model
before_save :set_key
def self.default_scope
where(type_name: 'JSON')
.where(plugin_name: self::PLUGIN_NAME)
.where("key LIKE ?", "#{self.key_prefix}%")
end
def self.key_prefix
raise 'Not implemented'
end
private
def set_key
self.key ||= self.class.alloc_key
end
def init_plugin_model
self.type_name ||= 'JSON'
self.plugin_name ||= PLUGIN_NAME
end
def self.alloc_key
DistributedMutex.synchronize("#{self::PLUGIN_NAME}_#{self.key_prefix}_id") do
max_id = PluginStore.get(self::PLUGIN_NAME, "#{self.key_prefix}_id")
max_id = 1 unless max_id
PluginStore.set(self::PLUGIN_NAME, "#{self.key_prefix}_id", max_id + 1)
"#{self.key_prefix}#{max_id}"
end
end
end