An example of building search ES query

es_adv_account_search.ex

defmodule App.EsDocument.EsAdvAccount do

  @behaviour App.Es.DocumentBehavior

  alias App.Repo
  alias App.AdvAccount
  alias App.Es.EsQuery
  alias App.Es.EsDocument

  use EsDocument

  def index do
   "adv_account"
  end

  # def build_body!(adv_account, opts \\ %{}) do
  
   defp build_query_dsl(params) do
    filter = []
    category = EsQueryDsl.get_param(params, :category)
    filter = if category do
      filter ++ [%{"term": %{"adv_category_id": category}}]
    else
      filter
    end

    hash_tag_ids = EsQueryDsl.get_param(params, :hash_tag_ids)
    filter = if hash_tag_ids do
      filter ++ [%{"terms": %{"hash_tag_ids": hash_tag_ids}}]
    else
      filter
    end

    query_dsl = %EsQueryDsl{
      query: %{
        bool: %{
          filter: filter
        }
      }
    }

    query_dsl = if Map.get(params, :autocomplete) do
      %{query_dsl | _source: ["id", "name"]}
    else
      query_dsl
    end

    query_dsl
  end

end