From 0ea9ddc67a4e771c57189b9bec721dd30df5f315 Mon Sep 17 00:00:00 2001
From: unwox <me@unwox.com>
Date: Fri, 27 Sep 2024 16:48:20 +0600
Subject: refactor json fetcher a bit

---
 fetcher.fnl         |  8 +++----
 parser/artoftea.fnl |  5 ++--
 parser/ipuer.fnl    |  4 ++--
 parser/ozchai.fnl   | 68 +++++++++++++++++++----------------------------------
 4 files changed, 33 insertions(+), 52 deletions(-)

diff --git a/fetcher.fnl b/fetcher.fnl
index 6d6d633..bf22abf 100644
--- a/fetcher.fnl
+++ b/fetcher.fnl
@@ -71,7 +71,7 @@
    categories
    []))
 
-(fn walk-json-pages [url-formatter path]
+(fn walk-json-pages [url-formatter path response-destructor]
   (fn gather [page knil]
     (local url (url-formatter path page))
     (print (.. "requesting " url))
@@ -84,12 +84,12 @@
         ""))
 
     (if (= status 200)
-     (let [items (json.decode content)]
+     (let [{: items} (response-destructor (json.decode content))]
       (if (or (= items nil) (= 0 (# items)))
         knil
         (do
          (os.execute "sleep 1")
-         (gather (+ page 1) (array.concat knil items)))))
+         (gather (+ 1 page) (array.concat knil items)))))
      (= status 404)
       knil
      (retry #(gather page knil) 3 1)))
@@ -103,7 +103,7 @@
        result
        (categorize-many
         (map #(normalizer $2)
-             (walk-json-pages url-formatter path))
+             (walk-json-pages url-formatter path response-destructor))
         category)))
    categories
    []))
diff --git a/parser/artoftea.fnl b/parser/artoftea.fnl
index 1f03ed1..205d5d0 100644
--- a/parser/artoftea.fnl
+++ b/parser/artoftea.fnl
@@ -8,7 +8,7 @@
 (local number (require :lib.number))
 (local fetcher (require :fetcher))
 
-(fn url-formatter [path page]
+(fn format-url [path page]
   (.. "https://artoftea.ru/" path "/?page=" page))
 
 (local product-peg
@@ -50,6 +50,7 @@
   (local price (number.string->number product.price))
   {:site "artoftea"
    :id product.id
+   :title product.title
    :url product.url
    :description product.description
    :image product.image
@@ -64,7 +65,7 @@
   (fetcher.from-html
     [{:path "redtea" :category "Красный чай"}
      {:path "greentea" :category "Зеленый чай"}]
-    url-formatter
+    format-url
     product-peg
     normalize))
 
diff --git a/parser/ipuer.fnl b/parser/ipuer.fnl
index 7fefd1b..11e63c0 100644
--- a/parser/ipuer.fnl
+++ b/parser/ipuer.fnl
@@ -8,7 +8,7 @@
 (local parser (require :parser.parser))
 (local fetcher (require :fetcher))
 
-(fn url-formatter [path page]
+(fn format-url [path page]
   (.. "https://ipuer.ru/catalog/" path "/?p=" page))
 
 (local product-peg
@@ -63,7 +63,7 @@
      {:path "blagovoniya" :category "Благовония"}
      {:path "posuda" :category "Посуда"}
      {:path "282" :category "Посуда"}]
-    url-formatter
+    format-url
     product-peg
     normalize))
 
diff --git a/parser/ozchai.fnl b/parser/ozchai.fnl
index 6bf6286..50bfd6a 100644
--- a/parser/ozchai.fnl
+++ b/parser/ozchai.fnl
@@ -1,52 +1,28 @@
 (import-macros {: map} :lib.macro)
 
-(local http (require :lib.http))
 (local array (require :lib.array))
+(local http (require :lib.http))
+(local number (require :lib.number))
+(local fetcher (require :fetcher))
 (local json (require :vendor.json))
 
-(local %all-products-partuid 176163172341)
-
-(fn string->number [str]
-  (if str
-    (tonumber (pick-values 1 (str:gsub "[^0-9.]" "")))
-    nil))
-
-(fn request [partuid slice]
-  (print (.. "https://store.tildaapi.com/api/getproductslist/"
-                  "?storepartuid="
-                  partuid
-                  "&recid=280779251&c=1723216515077"
-                  "&getparts=true&getoptions=true&slice=%d&size=36"))
-  (let [(status headers body)
-          (luna.http.request
-            "GET"
-            (string.format
-              (.. "https://store.tildaapi.com/api/getproductslist/"
-                  "?storepartuid="
-                  partuid
-                  "&recid=280779251&c=1723216515077"
-                  "&getparts=true&getoptions=true&slice=%d&size=36")
-              slice)
-            {:Content-Type "application/json"
-             :User-Agent (http.random-user-agent)}
-            "")]
-    (json.decode body)))
+(fn format-url [path page]
+  (.. "https://store.tildaapi.com/api/getproductslist/"
+      "?storepartuid=" path
+      "&slice=" page
+      "&recid=280779251"
+      "&c=1723216515077"
+      "&getparts=true"
+      "&getoptions=true"
+      "&size=36"))
 
-(fn walk-slices [partuid]
-  (fn gather [slice knil]
-    (let [{: nextslice : products} (request partuid slice)
-          res (array.concat knil products)]
-      (if (= 0 (# products))
-        knil
-        (do
-          (os.execute "sleep 1")
-          (gather (+ slice 1) res)))))
-  (gather 1 []))
+(fn destruct-response [response]
+  {:items response.products})
 
-(fn normalize [_ product]
+(fn normalize [product]
   (local gallery (json.decode product.gallery))
-  (local weight (string->number (. (. product.editions 1) :Вес)))
-  (local price (string->number (. (. product.editions 1) :price)))
+  (local weight (number.string->number (. product.editions 1 :Вес)))
+  (local price (number.string->number (. product.editions 1 :price)))
   {:site "ozchai"
    :id product.url
    :url product.url
@@ -54,8 +30,8 @@
    :description product.descr 
    ;; FIXME: parse all editions into different projects
    :image (if (< 0 (# gallery))
-             (. (. gallery 1) :img)
-             "")
+            (. gallery 1 :img)
+            "")
    :weight weight
    :price price
    :price-per (if (and price weight (< 0 weight))
@@ -64,6 +40,10 @@
    :characteristics product.characteristics})
 
 (fn products []
-  (map normalize (walk-slices %all-products-partuid)))
+  (fetcher.from-json
+    [{:path "176163172341"}]
+    format-url
+    destruct-response
+    normalize))
 
 {: products}
-- 
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