add chaibez parser

1 files changed, 114 insertions, 0 deletions

diff --git a/parser/chaibez.fnl b/parser/chaibez.fnl
new file mode 100644
index 0000000..d42a4ae
--- /dev/null
+++ b/parser/chaibez.fnl
@@ -0,0 +1,114 @@
+(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://chaibez.ru/" path "/"
+      (if (< 1 page) (.. "?page=" page) "")))
+
+(local product-peg
+  (*
+   (parser.anywhere
+    (parser.tag :div {:class "image"}
+     (parser.tag :a {:href (peg.Cg (parser.till "\"") :url) :class "*"}
+      (*
+       (parser.anywhere (* "src=\"" (peg.Cg (parser.till "\"") :image) "\""))
+       (parser.till "</a>")))))
+   (parser.anywhere
+    (*
+      "<div class=\"caption\">"
+      parser.pegs.spaces
+      (parser.tag :h4 {}
+       (*
+        (parser.tag :a {:href (peg.Cg (parser.till "\"") :url)}
+         (peg.Cg (parser.till "</a>") :title))
+        (parser.till "</h4>")))))
+   ;; same engine as artoftea
+   (parser.anywhere
+    (+
+     (*
+      (+
+        ;; without discount
+        (parser.tag :option {:data-price-prefix (peg.Cg (parser.till "\"") :prefix)
+                             :data-price (peg.Cg (parser.till "\"") :amount)
+                             :value "*" :selected "selected"}
+         (peg.Cg (parser.till "</option>") :weight))
+        ;; with discount
+        (parser.tag :option {:data-price-prefix (peg.Cg (parser.till "\"") :prefix)
+                             :data-price "*"
+                             :data-special (peg.Cg (parser.till "\"") :amount)
+                             :value "*" :selected "selected"}
+         (peg.Cg (parser.till "</option>") :weight)))
+      (parser.anywhere
+       (parser.tag :span {:data-price (peg.Cg (parser.till "\"") :price)
+                          :class "*"}
+        (parser.till "</span>"))))
+     ;; without options
+     (parser.tag :span {:data-price (peg.Cg (parser.till "\"") :price)
+                        :class "*"}
+      (parser.till "</span>"))))
+   (parser.anywhere (parser.tag :span {:class "*"} "В корзину"))))
+
+(fn normalize [product]
+  (local year (parser.guess-year product.title))
+  (local weight (or (parser.guess-weight product.weight ["г"])
+                    (parser.guess-weight product.title)))
+  (local amount (if product.amount
+                  (number.string->number product.amount)
+                  1))
+  (local price (number.string->number product.price))
+  (local final-price (if (= product.prefix "*")
+                          (* price amount)
+                         (= product.prefix "=")
+                          amount
+                         price))
+
+  {:site "chaibez"
+   :title product.title
+   :url product.url
+   :description product.description
+   :image product.image
+   :year year
+   :price final-price
+   :weight weight
+   :volume (parser.guess-volume product.title)
+   :price-per (if (and final-price weight (< 0 weight))
+                (/ (math.ceil (* (/ final-price weight) 10)) 10)
+                nil)})
+
+ (fn products []
+   (fetcher.from-html
+     [{:path "red_tea" :tags ["Красный чай"]}
+      {:path "green_tea" :tags ["Зеленый чай"]}
+      {:path "puer/shu_puer" :tags ["Шу пуэр"]}
+      {:path "puer/rassypnoj-puer" :tags ["Шу пуэр"]}
+      {:path "puer/shen_puer" :tags ["Шен пуэр"]}
+      {:path "ulun/svetliy-ulun" :tags ["Улун"]}
+      {:path "ulun/temniy-ulun" :tags ["Улун" "Уишань"]}
+      {:path "ulun/ulun-guandun" :tags ["Улун" "Гуандун"]}
+      {:path "ulun/gaba" :tags ["Улун" "Габа"]}
+      {:path "ulun/taivan-ulun" :tags ["Улун" "Тайвань"]}
+      {:path "white_tea" :tags ["Белый чай"]}
+      {:path "yellow-tea" :tags ["Желтый чай"]}
+      {:path "xej-cha-chernyj-chaj" :tags ["Хэй ча"]}
+      {:path "posuda/gajvani" :tags ["Посуда" "Гайвань"]}
+      {:path "posuda/kolba-station" :tags ["Посуда" "Стекло"]}
+      {:path "posuda/chahai" :tags ["Посуда" "Чахай"]}
+      {:path "posuda/isinskie-chajniki" :tags ["Посуда" "Чайник" "Исин"]}
+      {:path "posuda/pials" :tags ["Посуда" "Пиала"]}
+      {:path "posuda/chajniki-s-knopkoi" :tags ["Посуда" "Типот"]}
+      {:path "aksessuary/chabani-chajnye-dosk" :tags ["Чабань"]}
+      {:path "aksessuary/figurki" :tags ["Фигурка"]}
+      {:path "aksessuary/instrumenty-kistochki-shhipcy-shilo" :tags ["Инструмент"]}
+      {:path "aksessuary/chaxe-sitechki" :tags ["Сито"]}
+      {:path "aksessuary/cases" :tags ["Чехол"]}
+      {:path "trav_tea" :tags ["Травяной чай"]}]
+     format-url
+     product-peg
+     normalize))
+
+{:products products :title "Чай без церемоний" :url "https://chaibez.ru"}