gitea文件下载缓存

app/controllers/attachments_controller.rb

@@ -32,23 +32,38 @@ class AttachmentsController < ApplicationController
   def get_file
     normal_status(-1, "参数缺失") if params[:download_url].blank?
     url = base_url.starts_with?("https:") ? params[:download_url].to_s.gsub("http:", "https:") : params[:download_url].to_s
-    if url.starts_with?(base_url) && !url.starts_with?("#{base_url}/repo")
-      domain  = GiteaService.gitea_config[:domain]
-      api_url = GiteaService.gitea_config[:base_url]
-      url = ("/repos"+url.split(base_url + "/api")[1])
-      filepath, ref = url.split("/")[-1].split("?")
-      url.gsub!(url.split("/")[-1], '')
-      Rails.logger.info("url===#{url}")
-      Rails.logger.info(filepath)
-      request_url = [domain, api_url, URI.encode(url), URI.escape(filepath), "?ref=#{URI.escape(ref.split('ref=')[1])}&access_token=#{User.where(admin: true).take&.gitea_token}"].join
-      Rails.logger.info("request_url===#{request_url}")
-      response = Faraday.get(request_url)
-      filename = filepath
+    md5_file  = Base64.strict_encode64(params[:download_url])
+    tmp_path = "#{Rails.root}/public/files/#{Time.now.strftime('%Y%m%d%')}-#{md5_file}"
+    cache_key ="get_file:#{Time.now.strftime('%Y%m%d%')}:#{md5_file}"
+    value = Rails.cache.read(cache_key)
+    if value.to_i >= 5 && File.exist?(tmp_path)
+      send_data(tmp_path,  filename: filename, type: "application/octet-stream", disposition: 'attachment')
     else
-      response = Faraday.get(URI.encode(url))
-      filename = params[:download_url].to_s.split("/").pop()
+      if url.starts_with?(base_url) && !url.starts_with?("#{base_url}/repo")
+        domain  = GiteaService.gitea_config[:domain]
+        api_url = GiteaService.gitea_config[:base_url]
+        url = ("/repos"+url.split(base_url + "/api")[1])
+        filepath, ref = url.split("/")[-1].split("?")
+        url.gsub!(url.split("/")[-1], '')
+        Rails.logger.info("url===#{url}")
+        Rails.logger.info(filepath)
+        request_url = [domain, api_url, URI.encode(url), URI.escape(filepath), "?ref=#{URI.escape(ref.split('ref=')[1])}&access_token=#{User.where(admin: true).take&.gitea_token}"].join
+        Rails.logger.info("request_url===#{request_url}")
+        response = Faraday.get(request_url)
+        filename = filepath
+      else
+        response = Faraday.get(URI.encode(url))
+        filename = params[:download_url].to_s.split("/").pop()
+      end
+      if value.to_i == 0
+        File.open(tmp_path, 'wb') do |file|
+          file.write(response.body)
+        end
+      end
+      value = value.to_i + 1
+      Rails.cache.write(cache_key, value, expires_in: 1.day)
+      send_data(response.body.force_encoding("UTF-8"),  filename: filename, type: "application/octet-stream", disposition: 'attachment')
     end
-    send_data(response.body.force_encoding("UTF-8"),  filename: filename, type: "application/octet-stream", disposition: 'attachment')
   end
 
   def create