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(import-macros {: map} :lib.macro)
(local peg
(if (pick-values 1 (pcall require :lpeg))
(require :lpeg)
(require :lpeglj)))
(local number (require :lib.number))
(local parser (require :parser.parser))
(local fetcher (require :fetcher))
(fn format-url [path page]
(.. "https://ipuer.ru/catalog/" path "/?viewAs=table&p=" page))
(local product-peg
(* ;; id
(parser.anywhere
(parser.tag :div {:data-id (peg.Cg parser.pegs.number :id) :class "*"}))
;; url and image
(parser.anywhere
(parser.tag :a {:href (peg.Cg (parser.till "\"") :url)}
(parser.tag :img {:src (peg.Cg (parser.till "\"") :image) :alt "*"})))
;; title
(parser.anywhere
(parser.tag :div {:class "card-product_title"}
(parser.tag :a {:href "*"}
(parser.tag :span {} (peg.Cg (parser.till "</span>") :title)))))
;; description
(+
(parser.anywhere
(parser.tag :span {:class "card-price_new"}
(* (peg.Cg
(* parser.pegs.number
(parser.maybe (* " " parser.pegs.number)))
:price)
" р.")))
(*
(parser.anywhere
(parser.tag :div {:class "card-product_description"}
(peg.Cg (parser.till "</div>") :description)))
(parser.anywhere
(parser.tag :span {:class "card-price_new"}
(* (peg.Cg
(* parser.pegs.number
(parser.maybe (* " " parser.pegs.number)))
:price)
" р.")))))
(parser.anywhere
(+ (parser.tag :a {:data-url "*" :class "*" :data-add-text "*"} "В корзину")
(parser.tag :a {:data-url "*" :class "*"} "В корзину")))))
(fn normalize [product]
(local weight (parser.guess-weight product.title))
(local price (number.string->number product.price))
{:site "ipuer"
:id product.id
:url (.. "https://ipuer.ru" product.url)
:title product.title
:description product.description
:image (.. "https://ipuer.ru" product.image)
:year (parser.guess-year product.title)
:price price
:weight weight
:category product.category
:price-per (if (and price weight (< 0 weight))
(/ (math.ceil (* (/ price weight) 10)) 10)
nil)})
(fn products []
(fetcher.from-html
[{:path "shen-puer" :tags ["Шен пуэр"]}
{:path "shu-puer" :tags ["Шу пуэр"]}
{:path "drugoy-chay"}
{:path "blagovoniya" :tags ["Благовония"]}
{:path "posuda" :tags ["Посуда"]}
{:path "282" :tags ["Посуда"]}]
format-url
product-peg
normalize))
{:products products :title "Институт чая пуэр" :url "https://ipuer.ru"}
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