Class: Vines::Storage::Sql

Inherits:
Vines::Storage show all
Defined in:
lib/vines/storage/sql.rb

Defined Under Namespace

Classes: Contact, Fragment, Group, User

Instance Attribute Summary

Attributes inherited from Vines::Storage

#ldap

Instance Method Summary collapse

Methods inherited from Vines::Storage

#authenticate, defer, fiber, from_name, #ldap?, register, wrap_ldap

Methods included from Log

#log

Constructor Details

#initialize(&block) ⇒ Sql

Returns a new instance of Sql.



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# File 'lib/vines/storage/sql.rb', line 30

def initialize(&block)
  @config = {}
  instance_eval(&block)
  required = [:adapter, :database]
  required << [:host, :port] unless @config[:adapter] == 'sqlite3'
  required.flatten.each {|key| raise "Must provide #{key}" unless @config[key] }
  [:username, :password].each {|key| @config.delete(key) if empty?(@config[key]) }
  establish_connection
end

Instance Method Details

#create_schema(args = {}) ⇒ Object

Create the tables and indexes used by this storage engine.



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# File 'lib/vines/storage/sql.rb', line 147

def create_schema(args={})
  ActiveRecord::Base.clear_reloadable_connections!

  args[:force] ||= false

  ActiveRecord::Schema.define do
    create_table :users, :force => args[:force] do |t|
      t.string :jid,      :limit => 1000, :null => false
      t.string :name,     :limit => 1000, :null => true
      t.string :password, :limit => 1000, :null => true
      t.text   :vcard,    :null => true
    end
    add_index :users, :jid, :unique => true

    create_table :contacts, :force => args[:force] do |t|
      t.integer :user_id,      :null => false
      t.string  :jid,          :limit => 1000, :null => false
      t.string  :name,         :limit => 1000, :null => true
      t.string  :ask,          :limit => 1000, :null => true
      t.string  :subscription, :limit => 1000, :null => false
    end
    add_index :contacts, [:user_id, :jid], :unique => true

    create_table :groups, :force => args[:force] do |t|
      t.string :name, :limit => 1000, :null => false
    end
    add_index :groups, :name, :unique => true

    create_table :contacts_groups, :id => false, :force => args[:force] do |t|
      t.integer :contact_id, :null => false
      t.integer :group_id,   :null => false
    end
    add_index :contacts_groups, [:contact_id, :group_id], :unique => true

    create_table :fragments, :force => args[:force] do |t|
      t.integer :user_id,   :null => false
      t.string  :root,      :limit => 1000, :null => false
      t.string  :namespace, :limit => 1000, :null => false
      t.text    :xml,       :null => false
    end
    add_index :fragments, [:user_id, :root, :namespace], :unique => true
  end
end

#find_fragment(jid, node) ⇒ Object 



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# File 'lib/vines/storage/sql.rb', line 121

def find_fragment(jid, node)
  ActiveRecord::Base.clear_reloadable_connections!

  jid = JID.new(jid || '').bare.to_s
  return if jid.empty?
  if fragment = fragment_by_jid(jid, node)
    Nokogiri::XML(fragment.xml).root rescue nil
  end
end

#find_user(jid) ⇒ Object 



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# File 'lib/vines/storage/sql.rb', line 40

def find_user(jid)
  ActiveRecord::Base.clear_reloadable_connections!

  jid = JID.new(jid || '').bare.to_s
  return if jid.empty?
  xuser = user_by_jid(jid)
  return Vines::User.new(:jid => jid).tap do |user|
    user.name, user.password = xuser.name, xuser.password
    xuser.contacts.each do |contact|
      groups = contact.groups.map {|group| group.name }
      user.roster << Vines::Contact.new(
        :jid => contact.jid,
        :name => contact.name,
        :subscription => contact.subscription,
        :ask => contact.ask,
        :groups => groups)
    end
  end if xuser
end

#find_vcard(jid) ⇒ Object 



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# File 'lib/vines/storage/sql.rb', line 99

def find_vcard(jid)
  ActiveRecord::Base.clear_reloadable_connections!

  jid = JID.new(jid || '').bare.to_s
  return if jid.empty?
  if xuser = user_by_jid(jid)
    Nokogiri::XML(xuser.vcard).root rescue nil
  end
end

#save_fragment(jid, node) ⇒ Object 



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# File 'lib/vines/storage/sql.rb', line 132

def save_fragment(jid, node)
  ActiveRecord::Base.clear_reloadable_connections!

  jid = JID.new(jid).bare.to_s
  fragment = fragment_by_jid(jid, node) ||
    Sql::Fragment.new(
      :user => user_by_jid(jid),
      :root => node.name,
      :namespace => node.namespace.href)
  fragment.xml = node.to_xml
  fragment.save
end

#save_user(user) ⇒ Object 



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# File 'lib/vines/storage/sql.rb', line 61

def save_user(user)
  ActiveRecord::Base.clear_reloadable_connections!

  xuser = user_by_jid(user.jid) || Sql::User.new(:jid => user.jid.bare.to_s)
  xuser.name = user.name
  xuser.password = user.password

  # remove deleted contacts from roster
  xuser.contacts.delete(xuser.contacts.select do |contact|
    !user.contact?(contact.jid)
  end)

  # update contacts
  xuser.contacts.each do |contact|
    fresh = user.contact(contact.jid)
    contact.update_attributes(
      :name => fresh.name,
      :ask => fresh.ask,
      :subscription => fresh.subscription,
      :groups => groups(fresh))
  end

  # add new contacts to roster
  jids = xuser.contacts.map {|c| c.jid }
  user.roster.select {|contact| !jids.include?(contact.jid.bare.to_s) }
    .each do |contact|
      xuser.contacts.build(
        :user => xuser,
        :jid => contact.jid.bare.to_s,
        :name => contact.name,
        :ask => contact.ask,
        :subscription => contact.subscription,
        :groups => groups(contact))
    end
  xuser.save
end

#save_vcard(jid, card) ⇒ Object 



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# File 'lib/vines/storage/sql.rb', line 110

def save_vcard(jid, card)
  ActiveRecord::Base.clear_reloadable_connections!

  xuser = user_by_jid(jid)
  if xuser
    xuser.vcard = card.to_xml
    xuser.save
  end
end