Class: Engine2::StarToManyFieldAction

Inherits:

StarToManyListAction

• Object
• Action
• ListAction
• StarToManyListAction
• Engine2::StarToManyFieldAction

Defined in:

lib/engine2/action/list.rb

Overview

*_to_many_field

Direct Known Subclasses

StarToManyFieldLinkListAction

Instance Attribute Summary

Attributes included from ActionListSupport

#filters, #orders

Attributes inherited from Action

#assets, #invokable, #meta, #node, #static

Instance Method Summary

• #list_context(query, handler) ⇒ Object
• #pre_run ⇒ Object

Methods inherited from StarToManyListAction

#post_run

Methods inherited from ListAction

#invoke, #list_search, #post_run

Methods included from ActionListSupport

#field_tabs, #filter, #filter_case_insensitive, #order, #post_process, #post_run, #search_live, #search_template, #searchable, #searchable_tabs, #select_toggle_menu, #sortable, #template

Methods included from ActionModelSupport

#hide_pk, #node_defined, #show_pk, #unsupported_association

Methods included from ActionAPISupport

#config, #decorate, #field_filter, #fields, #fields!, #hide_fields, #loc!, #render, #show_fields

Methods included from ActionTabSupport

#field_tabs, #select_tabs, #tab

Methods included from ActionPanelSupport

#modal_action, #panel, #panel_class, #panel_footer, #panel_header, #panel_panel_template, #panel_template, #panel_title, #post_run

Methods included from ActionMenuSupport

#menu, #menu?, #post_process

Methods included from ActionOnChangeSupport

#on_change

Methods included from ActionDraggableSupport

#draggable, #post_run

Methods included from ActionQuerySupport

#find_record, #get_query, #post_run, #query, #select

Methods inherited from Action

action_type, #action_type, #arguments, #check_anonymous_action_class, #check_static_action, #define_invoke, #define_method, #dynamic?, #execute, #freeze_action, #http_method, http_method, inherit, inherited, #initialize, #invoke!, #join_keys, #lookup, #merge, #node_defined, #post_process, #post_run, #repeat, #request, #request_action_proc_params, #split_keys

Constructor Details

This class inherits a constructor from Engine2::Action

Instance Method Details

#list_context(query, handler) ⇒ Object

# File 'lib/engine2/action/list.rb', line 242

def list_context query, handler
    changes = handler.param_to_json(:changes)
    model = assets[:model]
    unlinked = changes[:unlink].to_a + changes[:delete].to_a + changes[:modify].to_a.map{|m|join_keys(model.primary_keys.map{|k|m[k]})}
    linked = changes[:link]
    query = super(query, handler)

    pks = model.primary_keys_qualified

    if handler.params[:negate]
        query = unlinked.reduce(query){|q, unl|q.or pks.zip(split_keys(unl))}
        query = linked.reduce(query){|q, ln|q.where(pks.zip(split_keys(ln)).sql_negate)}
    else
        query = unlinked.reduce(query){|q, unl|q.where(pks.zip(split_keys(unl)).sql_negate)}
        query = case assets[:assoc][:type]
        when :one_to_many
            linked.reduce(query){|q, ln|q.or pks.zip(split_keys(ln))}
        when :many_to_many
            linked.reduce(query){|q, ln|q.or pks.zip(split_keys(ln))}.distinct
        else unsupported_association
        end unless linked.empty?
    end

    added = changes[:create].to_a + changes[:modify].to_a
    cols = get_query.columns
    query = added.reduce query do |q, a|
        q.union(model.db.select(*cols.map{|c|a[c]}), all: true, alias: model.table_name)
    end

    query
end

#pre_run ⇒ Object

# File 'lib/engine2/action/list.rb', line 236

def pre_run
    super
    modal_action false
    panel_panel_template false
end