Class: Bot::Context

Inherits:
Object
  • Object
show all
Defined in:
lib/bot/context.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(user, redis_client) ⇒ Context

Returns a new instance of Context.



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# File 'lib/bot/context.rb', line 7

def initialize(user, redis_client)
  @redis_client = redis_client
  @user = user
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m, *args, &block) ⇒ Object 



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# File 'lib/bot/context.rb', line 12

def method_missing(m, *args, &block)
  if m =~ /.+=/
    self.add(m.to_s.gsub('=', ''), *args)
  else
    self.get(m)
  end
end

Instance Attribute Details

#redis_client ⇒ Object

Returns the value of attribute redis_client.



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# File 'lib/bot/context.rb', line 5

def redis_client
  @redis_client
end

#user ⇒ Object

Returns the value of attribute user.



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# File 'lib/bot/context.rb', line 5

def user
  @user
end

Instance Method Details

#add(field, content) ⇒ Object 



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# File 'lib/bot/context.rb', line 32

def add(field, content)
  redis_client.hset context_key, field, content
end

#clear ⇒ Object 



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# File 'lib/bot/context.rb', line 36

def clear
  redis_client.del context_key
end

#context_key ⇒ Object 



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# File 'lib/bot/context.rb', line 40

def context_key
  "bot:context:#{user.id}"
end

#get(field) ⇒ Object 



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# File 'lib/bot/context.rb', line 20

def get(field)
  data = redis_client.hget(context_key, field)
  JSON.parse(data) if data.present?
rescue JSON::ParserError
  data
end

#set(context) ⇒ Object 



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# File 'lib/bot/context.rb', line 27

def set(context)
  self.clear
  redis_client.hmset(context_key, context.map { |k, v| [k, v] }.flatten)
end