Class: Engine2::ListAction

Inherits:
Action show all
Includes:
ActionListSupport, ActionQuerySupport
Defined in:
lib/engine2/action/list.rb

Direct Known Subclasses

ManyToOneListAction, StarToManyListAction

Instance Attribute Summary

Attributes included from ActionListSupport

#filters, #orders

Attributes inherited from Action

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

Instance Method Summary collapse

Methods included from ActionListSupport

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

Methods included from ActionModelSupport

#hide_pk, #node_defined, #pre_run, #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, #pre_run

Methods included from ActionMenuSupport

#menu, #menu?, #post_process

Methods included from ActionOnChangeSupport

#on_change

Methods included from ActionDraggableSupport

#draggable

Methods included from ActionQuerySupport

#find_record, #get_query, #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, #pre_run, #repeat, #request, #request_action_proc_params, #split_keys

Constructor Details

This class inherits a constructor from Engine2::Action

Instance Method Details

#invoke(handler) ⇒ Object 



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# File 'lib/engine2/action/list.rb', line 85

def invoke handler
    params = handler.params
    model = assets[:model]
    query = list_context(get_query, handler)

    if search = params[:search]
        query = list_search(query, handler, search)
    end

    count = query.count if lookup(:config, :use_count)

    if order_str = params[:order]
        order = order_str.to_sym
        handler.permit lookup(:fields, order, :sort)

        if order_blk = (@orders && @orders[order]) || (dynamic? && (static.orders && static.orders[order]))
            query = order_blk.(handler, query)
        else
            order = model.table_name.q(order) if model.type_info[order]
            query = query.order(order)
        end

        query = query.reverse if params[:asc] == "true"
    end

    per_page = lookup(:config, :per_page)
    page = params[:page].to_i
    handler.permit page >= 0 && page < 1000

    query = query.limit(per_page, page)

    res = {entries: query.load_all}
    res[:count] = count if count
    res
end

#list_context(query, handler) ⇒ Object 



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# File 'lib/engine2/action/list.rb', line 144

def list_context query, handler
    query
end

#list_search(query, handler, search) ⇒ Object 



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# File 'lib/engine2/action/list.rb', line 121

def list_search query, handler, search
    hash = JSON.parse(search, symbolize_names: true) rescue handler.halt_forbidden
    model = assets[:model]
    sfields = lookup(:search_field_list)
    handler.permit sfields
    hash.each_pair do |name, value|
        handler.permit name = sfields.find{|sf|sf.to_sym == name}

        type_info = model.find_type_info(name)
        query = if filter = (@filters && @filters[name]) || (dynamic? && (static.filters && static.filters[name]))
            filter.(handler, query, hash)
        elsif filter = DefaultFilters[type_info[:otype]]
            name = model.type_info[name] ? model.table_name.q(name) : Sequel.expr(name)
            filter.(query, name, value, type_info, hash)
        else
            raise E2Error.new("Filter not found for field '#{name}' in model '#{model}'") unless filter
        end

        handler.permit query
    end
    query
end

#post_run ⇒ Object 



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# File 'lib/engine2/action/list.rb', line 80

def post_run
    query select(*assets[:model].columns.reject{|col| assets[:model].type_info[col][:length].to_i > 20}.take(10)) unless @query
    super
end