Class: Tiler::Widgets::CommentsQuery

Inherits:
Query::Base show all
Defined in:
lib/tiler/widgets/comments.rb

Constant Summary collapse

MAX_LIMIT = 
100
DEFAULT_ROTATE_SECONDS = 
8

Constants inherited from Query::Base

Query::Base::SAFE_COLUMN_RE

Instance Attribute Summary

Attributes inherited from Query::Base

#config, #panel, #source

Instance Method Summary collapse

Methods inherited from Query::Base

#initialize

Constructor Details

This class inherits a constructor from Tiler::Query::Base

Instance Method Details

#call ⇒ Object 



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# File 'lib/tiler/widgets/comments.rb', line 10

def call
  quote_col  = config["quote_column"]
  name_col   = config["name_column"]
  avatar_col = config["avatar_column"]
  limit      = clamp_limit(config["limit"])

  items =
    if quote_col.present? && safe_col?(quote_col)
      cols = [ Arel.sql(json_extract(quote_col)) ]
      cols << (name_col.present? && safe_col?(name_col) ? Arel.sql(json_extract(name_col)) : Arel.sql("NULL"))
      cols << (avatar_col.present? && safe_col?(avatar_col) ? Arel.sql(json_extract(avatar_col)) : Arel.sql("NULL"))

      base_scope.order(recorded_at: :desc).limit(limit)
                .pluck(*cols)
                .map do |row|
                  {
                    quote:  row[0].to_s,
                    name:   row[1].nil? ? nil : row[1],
                    avatar: safe_url(row[2])
                  }
                end
    else
      []
    end

  items = items.reject { |i| i[:quote].to_s.strip.empty? }

  {
    items:          items,
    rotate_seconds: rotate_seconds
  }
end