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(import-macros {: map} :lib.macro)
(local peg
(if (pick-values 1 (pcall require :lpeg))
(require :lpeg)
(require :vendor.lpeglj)))
(local number (require :lib.number))
(local parser (require :parser))
(local fetcher (require :fetcher))
(fn url-formatter [path page]
(.. "https://ipuer.ru/catalog/" path "/?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)))))
;; price
(parser.anywhere
(parser.tag :span {:class "card-price"}
(* (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 year
(number.string->number
(: (parser.anywhere
(* (peg.C (^ (peg.R "09") 4))
(parser.maybe " ")
(- "г" (peg.P "гр"))))
:match product.title)))
(local weight
(number.string->number
(: (parser.anywhere (* (peg.C parser.pegs.number) (parser.maybe " ") "гр"))
:match product.title)))
(local price (number.string->number product.price))
{:site "ipuer"
:id product.id
:url (.. "https://ipuer.ru" product.url)
:title product.title
:description ""
;; FIXME: parse all editions into different projects
:image (.. "https://ipuer.ru" product.image)
:year year
: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
url-formatter
[{:path "shen-puer" :category "Шен пуэр"}
{:path "shu-puer" :category "Шу пуэр"}
{:path "drugoy-chay"}
{:path "blagovoniya" :category "Благовония"}
{:path "posuda" :category "Посуда"}
{:path "282" :category "Посуда"}]
normalize
product-peg))
{: products}
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