Class: PluginStore

Inherits:
Object
  • Object
show all
Defined in:
app/models/plugin_store.rb

Overview

API to wrap up plugin store rows

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(plugin_name) ⇒ PluginStore

Returns a new instance of PluginStore.



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# File 'app/models/plugin_store.rb', line 7

def initialize(plugin_name)
  @plugin_name = plugin_name
end

Instance Attribute Details

#plugin_name ⇒ Object (readonly)

Returns the value of attribute plugin_name.



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# File 'app/models/plugin_store.rb', line 5

def plugin_name
  @plugin_name
end

Class Method Details

.cast_value(type, value) ⇒ Object 



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# File 'app/models/plugin_store.rb', line 73

def self.cast_value(type, value)
  case type
  when "Integer", "Fixnum"
    value.to_i
  when "TrueClass", "FalseClass"
    value == "true"
  when "JSON"
    map_json(::JSON.parse(value))
  else
    value
  end
end

.determine_type(value) ⇒ Object 



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# File 'app/models/plugin_store.rb', line 59

def self.determine_type(value)
  value.is_a?(Hash) || value.is_a?(Array) ? "JSON" : value.class.to_s
end

.get(plugin_name, key) ⇒ Object 



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# File 'app/models/plugin_store.rb', line 27

def self.get(plugin_name, key)
  if row = PluginStoreRow.find_by(plugin_name: plugin_name, key: key)
    cast_value(row.type_name, row.value)
  end
end

.get_all(plugin_name, keys) ⇒ Object 



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# File 'app/models/plugin_store.rb', line 33

def self.get_all(plugin_name, keys)
  rows = PluginStoreRow.where("plugin_name = ? AND key IN (?)", plugin_name, keys).to_a

  Hash[rows.map { |row| [row.key, cast_value(row.type_name, row.value)] }]
end

.map_json(item) ⇒ Object 



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# File 'app/models/plugin_store.rb', line 63

def self.map_json(item)
  if item.is_a? Hash
    ActiveSupport::HashWithIndifferentAccess.new item
  elsif item.is_a? Array
    item.map { |subitem| map_json subitem }
  else
    item
  end
end

.remove(plugin_name, key) ⇒ Object 



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# File 'app/models/plugin_store.rb', line 55

def self.remove(plugin_name, key)
  PluginStoreRow.where(plugin_name: plugin_name, key: key).destroy_all
end

.set(plugin_name, key, value) ⇒ Object 



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# File 'app/models/plugin_store.rb', line 39

def self.set(plugin_name, key, value)
  hash = { plugin_name: plugin_name, key: key }
  row = PluginStoreRow.find_by(hash) || PluginStoreRow.new(hash)

  row.type_name = determine_type(value)
  # nil are stored as nil
  row.value =
    if row.type_name == "JSON"
      value.to_json
    elsif value
      value.to_s
    end

  row.save
end

Instance Method Details

#get(key) ⇒ Object 



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# File 'app/models/plugin_store.rb', line 11

def get(key)
  self.class.get(plugin_name, key)
end

#get_all(keys) ⇒ Object 



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# File 'app/models/plugin_store.rb', line 15

def get_all(keys)
  self.class.get_all(plugin_name, keys)
end

#remove(key) ⇒ Object 



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# File 'app/models/plugin_store.rb', line 23

def remove(key)
  self.class.remove(plugin_name, key)
end

#set(key, value) ⇒ Object 



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# File 'app/models/plugin_store.rb', line 19

def set(key, value)
  self.class.set(plugin_name, key, value)
end