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(import-macros {: map} :lib.macro)
(local peg
(if (pick-values 1 (pcall require :lpeg))
(require :lpeg)
(require :lpeglj)))
(local parser (require :parser.parser))
(local number (require :lib.number))
(local fetcher (require :fetcher))
(fn format-url [path page]
(.. "https://artoftea.ru/" path "/?page=" page))
(local product-peg
(*
(parser.anywhere
(parser.tag :div {:class "front-image"}
(parser.tag :a {:href (peg.Cg (parser.till "\"") :url)}
(parser.tag :img {:src (peg.Cg (parser.till "\"") :image)
:title "*" :class "*" :alt "*"}))))
(parser.anywhere
(parser.tag :div {:class "name"}
(parser.tag :a {:href "*"} (peg.Cg (parser.till "</a>") :title))))
(parser.anywhere
(parser.tag :p {:class "description"}
(peg.Cg (parser.till "</p>") :description)))
(+
(*
(parser.anywhere
(parser.tag :option {:value "*" :selected "selected"}
(* (peg.Cg parser.pegs.number :weight) (+ (peg.P "г") " гр")
parser.pegs.spaces)))
(parser.anywhere
(parser.tag :p {:class "price"}
(parser.tag :span {:id "*"}
(peg.Cg (parser.till "</span>") :price)))))
(parser.anywhere
(parser.tag :p {:class "price"}
(parser.tag :span {:id "*"}
(peg.Cg (parser.till "</span>") :price)))))
(parser.anywhere
(parser.tag :input {:type "hidden"
:name "product_id"
:value (peg.Cg parser.pegs.number :id)}))
(parser.anywhere
(parser.tag :button {:type "*" :onclick "*" :class "*"} "Купить"))))
(fn normalize [product]
(local year (parser.guess-year product.title))
(local weight (number.string->number product.weight))
(local price (number.string->number product.price))
{:site "artoftea"
:id product.id
:title product.title
:url product.url
:description product.description
:image product.image
:year year
:price price
:weight weight
:price-per (if (and price weight (< 0 weight))
(/ (math.ceil (* (/ price weight) 10)) 10)
nil)})
(fn products []
(fetcher.from-html
[{:path "redtea" :category "Красный чай"}
{:path "greentea" :category "Зеленый чай"}
{:path "puer/shu-puer" :category "Шу пуэр"}
{:path "puer/sheng-puer" :category "Шен пуэр"}
{:path "rassypnoi-puer"}
{:path "oolong" :category "Улун"}
{:path "whitetea" :category "Белый чай"}
{:path "yellowtea" :category "Желтый чай"}
{:path "xej-cha-chernyj-chaj" :category "Хэй ча"}
{:path "posuda" :category "Посуда"}
{:path "tipoty-lightking" :category "Посуда"}
{:path "accesories" :category "Аксессуары"}
{:path "matcha-i-aksessuary"}
{:path "upakovka"}
{:path "eksklyuzivny-chay"}
{:path "taiwan-tea"}
{:path "sinij-chaj"}]
format-url
product-peg
normalize))
{: products}
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