[backend/feat] grab zhuanlan html page

src/main/backend/core.clj

@@ -1,12 +1,28 @@
 (ns backend.core
-  (:use ring.adapter.jetty))
+  (:require [ring.adapter.jetty :refer [run-jetty]]
+            [reitit.ring :as ring]
+            [backend.handlers :as handlers])
+  (:gen-class))
 
-(defn handler [request]
-  {:status 200
-   :headers {"Content-Type" "text/plain"}
-   :body "Hello World"})
 
-(defn -main
-  [& args]
-  (run-jetty handler {:port 3000
+(def app
+  (ring/ring-handler
+   (ring/router
+    [["/hp/:id" {:parameters {:path {:id int?}}
+                 :get {:handler handlers/fetch-hu-post}}]
+    ])
+
+   (ring/create-default-handler
+    {:not-found (constantly {:status 404 :body "Not found"})})))
+
+(defn -main [& args]
+  (run-jetty #'app {:port 3000
                     :join? false}))
+
+(def server (run-jetty #'app {:port 3000
+                                     :join? false}))
+
+(comment
+  (app {:request-method :get
+        :uri "/hp/431038004"
+        }))

src/main/backend/handlers.clj

@@ -0,0 +1,17 @@
+(ns backend.handlers
+  (:require [clojure.string :as str]
+            [babashka.http-client :as client])
+  (:import [org.jsoup Jsoup]))
+
+
+(defn fetch-hu-post [request]
+  (let [id (-> request :path-params :id)
+        post-url (str/join ["https://zhuanlan.zhihu.com/p/" id])]
+
+    {:status 200
+     :headers {"Content-Type" "text/html; charset=utf-8"}
+     :body (-> (client/get post-url)
+               :body
+               Jsoup/parse
+               (.getElementsByClass "Post-RichTextContainer")
+               (.toString))}))