Class: WordPress::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/wordpress/base.rb

Direct Known Subclasses

Options, Post, Post::Meta, Schema

Instance Method Summary collapse

Constructor Details

#initialize(root) ⇒ Base

Returns a new instance of Base.



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# File 'lib/wordpress/base.rb', line 6

def initialize root
  @wp = root

  @conn = @wp.conn
  @tbl = @wp.tbl
end

Instance Method Details

#get_post_meta(id, meta_key) ⇒ Object 



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# File 'lib/wordpress/base.rb', line 58

def get_post_meta(id, meta_key)
  (@conn.query("SELECT `meta_value` FROM `#{@tbl[:postmeta]}` WHERE `post_id`='#{id.to_i}' AND `meta_key`='#{@conn.escape meta_key.to_s}'").first || {})[:meta_value]
end

#get_the_terms(id, taxonomy) ⇒ Object 



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# File 'lib/wordpress/base.rb', line 70

def get_the_terms(id, taxonomy)
  terms = @conn.query("SELECT `#{@tbl[:termtax]}`.`taxonomy`, `#{@tbl[:terms]}`.`name` FROM `#{@tbl[:posts]}`, `#{@tbl[:termtax]}`, `#{@tbl[:termrel]}`, `#{@tbl[:terms]}` WHERE `#{@tbl[:posts]}`.`ID` = '#{id.to_i}' AND `#{@tbl[:termrel]}`.`object_id` = `#{@tbl[:posts]}`.`ID` AND `#{@tbl[:termrel]}`.`term_taxonomy_id` = `#{@tbl[:termtax]}`.`term_taxonomy_id` AND `#{@tbl[:termtax]}`.`taxonomy` = '#{@conn.escape taxonomy}' AND `#{@tbl[:terms]}`.`term_id` = `#{@tbl[:termtax]}`.`term_id`")
  terms.map { |e| e[:name] }
end

#insert(table, content) ⇒ Object 



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# File 'lib/wordpress/base.rb', line 17

def insert(table, content)
  return nil if content.keys.length == 0

  fields = content.keys.map { |e| "`#{@conn.escape e.to_s}`" }
  values = content.keys.map { |e| "'#{@conn.escape content[e].to_s}'" }

  @conn.query("INSERT INTO `#{@conn.escape table}` (#{fields.join ', '}) VALUES (#{values.join ', '})")
  @conn.last_id
end

#inspect ⇒ Object 



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# File 'lib/wordpress/base.rb', line 13

def inspect
  nil
end

#set_post_meta(id, meta_key, meta_value) ⇒ Object 



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# File 'lib/wordpress/base.rb', line 62

def set_post_meta(id, meta_key, meta_value)
  update_or_insert $tbl[:postmeta], "`post_id`='#{id.to_i}' AND `meta_key`='#{@conn.escape meta_key.to_s}'", {
    :post_id => id,
    :meta_key => meta_key.to_s,
    :meta_value => meta_value.to_s
  }
end

#set_post_terms(post_id, terms, taxonomy, append = false) ⇒ Object 



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# File 'lib/wordpress/base.rb', line 75

def set_post_terms(post_id, terms, taxonomy, append=false)
  terms_esc = terms.map { |e| "'#{@conn.escape e.to_s}'" }
  terms_slugs = terms.map { |e| "'#{@conn.escape(CGI::escape e.to_s)}'"}

  if terms_esc.count == 0 and !append
    # Overwrite with nothing.
    @conn.query("DELETE `#{@tbl[:termrel]}` FROM `#{@tbl[:termrel]}` JOIN `#{@tbl[:termtax]}` ON `#{@tbl[:termrel]}`.`term_taxonomy_id`=`#{@tbl[:termtax]}`.`term_taxonomy_id` WHERE `#{@tbl[:termtax]}`.`taxonomy`='#{@conn.escape taxonomy}' AND `#{@tbl[:termrel]}`.`object_id` = '#{post_id.to_i}'")

    return
  elsif terms_esc.count == 0 and append
    # Because we want to append nothing, there's no harm done with just returning here.
    return
  end

  # Cache post terms and term IDs
  termtax_rel = Hash[@conn.query("SELECT `#{@tbl[:termtax]}`.`term_taxonomy_id`, `#{@tbl[:terms]}`.`name` FROM `#{@tbl[:terms]}`, `#{@tbl[:termtax]}` WHERE (`#{@tbl[:terms]}`.`name` IN (#{ terms_esc.join ', ' }) OR `#{@tbl[:terms]}`.`slug` IN (#{ terms_slugs.join ', ' })) AND `#{@tbl[:terms]}`.`term_id` = `#{@tbl[:termtax]}`.`term_id` AND `#{@tbl[:termtax]}`.`taxonomy` = '#{@conn.escape taxonomy}' GROUP BY `#{@tbl[:terms]}`.`name`").map { |e| [e[:name], e[:term_taxonomy_id]] }]

  (terms - termtax_rel.keys).each do |x|
    # These are terms that do not exist yet
    term_id = (@conn.query("SELECT `term_id` FROM `#{@tbl[:terms]}` WHERE `name`='#{@conn.escape x}' AND `slug`='#{@conn.escape(CGI::escape x)}' LIMIT 1").first || {})[:term_id]
    unless term_id
      @conn.query("INSERT INTO `#{@tbl[:terms]}` (`name`, `slug`, `term_group`) VALUES ('#{@conn.escape x}', '#{@conn.escape(CGI::escape x)}', '0')")
      term_id = @conn.last_id
    end
    termtax_id = (@conn.query("SELECT `term_taxonomy_id` FROM `#{@tbl[:termtax]}` WHERE `term_id`='#{term_id.to_i}' AND `taxonomy`='#{@conn.escape taxonomy}' LIMIT 1").first || {})[:term_taxonomy_id]
    unless termtax_id
      @conn.query("INSERT INTO `#{@tbl[:termtax]}` (`term_id`, `taxonomy`, `parent`, `count`) VALUES ('#{term_id.to_i}', '#{@conn.escape taxonomy}', '0', '0')")
      termtax_id = @conn.last_id
    end
    termtax_rel[x] = termtax_id
  end

  termtax_to_add = terms

  if !append
    # Delete all associations first
    @conn.query("DELETE `#{@tbl[:termrel]}` FROM `#{@tbl[:termrel]}` JOIN `#{@tbl[:termtax]}` ON `#{@tbl[:termrel]}`.`term_taxonomy_id`=`#{@tbl[:termtax]}`.`term_taxonomy_id` WHERE `#{@tbl[:termtax]}`.`taxonomy`='#{@conn.escape taxonomy}' AND `#{@tbl[:termrel]}`.`object_id` = '#{post_id.to_i}'")
  else
    currently_associated = @conn.query("SELECT `#{@tbl[:termrel]}`.`term_taxonomy_id` FROM `#{@tbl[:termrel]}`, `#{@tbl[:termtax]}` WHERE `#{@tbl[:termrel]}`.`object_id` = '#{post_id.to_i}' AND `#{@tbl[:termrel]}`.`term_taxonomy_id` = `#{@tbl[:termtax]}`.`term_taxonomy_id` AND `#{@tbl[:termtax]}`.`taxonomy` = '#{@conn.escape taxonomy}'").map { |e| e[:term_taxonomy_id] }
    termtax_to_add -= currently_associated
  end

  termtax_to_add.each do |term|
    @conn.query("INSERT INTO `#{@tbl[:termrel]}` (`object_id`, `term_taxonomy_id`, `term_order`) VALUES ('#{post_id.to_i}', '#{termtax_rel[term].to_i}', '0')")
  end
end

#update(table, where, content) ⇒ Object 



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# File 'lib/wordpress/base.rb', line 27

def update(table, where, content)
  return nil if content.keys.length == 0

  fields = content.keys.map { |e| "`#{@conn.escape e.to_s}`" }
  result = @conn.query("SELECT #{fields.join ', '} FROM `#{@conn.escape table}` WHERE #{where}")
  return false if result.count == 0

  if content.respond_to?(:diff)
    row = result.to_a[0]
    diff = content.diff row

    # Already up-to-date
    return true if diff.count == 0
  else
    diff = content
  end

  # Let's update the difference
  statements = diff.keys.map { |e| "`#{@conn.escape e.to_s}`='#{@conn.escape content[e].to_s}'" }
  @conn.query("UPDATE `#{@conn.escape table}` SET #{statements.join ', ' } WHERE #{where}")
  true
end

#update_or_insert(table, where, content) ⇒ Object 



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# File 'lib/wordpress/base.rb', line 50

def update_or_insert(table, where, content)
  return nil if content.keys.length == 0

  unless update table, where, content
    insert table, content
  end
end