30.2. 在自定义过程中提取 3scale 应用程序分析

步骤

1. 检索应用的完整列表。此操作需要分页。

   def api_call_applications_list(domain, provider_key)
     done = false
     res = Array.new
     page = 1
   
         while !done
       url = "https://#{domain}/admin/api/applications.xml?provider_key=#{provider_key}&page=#{page}&per_page=100"
       page += 1
       response = RestClient.get url
       raise Exception.new("Wrong response code (#{response.code}) in request #{url}") if response.code!=200
       document = Nokogiri::XML(response.to_str)    done = document.xpath("applications/@current_page").text == document.xpath("applications/@total_pages").text
       document.xpath("//application").each do |item|
         app = Hash.new
         app["created_at"] = DateTime.parse(item.xpath("created_at").text)
         app["plan_name"] = item.xpath("plan/name").text
         app["service_id"] = item.xpath("plan/service_id").text
         app["account_id"] = item.xpath("user_account_id").text
         app["id"] = item.xpath("id").text
         res << app
       end
     end
     return res
   end

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2. 过滤不符合标准的应用程序，即计划必须"评估"且必须更新 10 天。

   def filter_applications(domain, provider_key, plan_name, num_of_days)
     res = api_call_applications_list(domain, provider_key)
     res.each do |item|
       res.delete(item) if item["plan_name"] != plan_name
       res.delete(item) if item["created_at"] > (DateTime.now - num_of_days)
     end
     return res
   end

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3. 对于符合条件的每个应用程序，获得其使用，即应用程序在过去 10 天中的点击次数。

   def api_call_application_usage(domain, provider_key, application_id, metric, from, to, granularity)
     url = "https://#{domain}/stats/applications/#{application_id}/usage.xml?provider_key=#{provider_key}&metric_name=#{metric}&since=#{from}&until=#{to}&granularity=#{granularity}"
     response = RestClient.get url
     raise Exception.new("Wrong response code (#{response.code}) in request #{url}") if response.code!=200
     document = Nokogiri::XML(response.to_str)
     return document.xpath("//usage/data/values").text.split(",")
   end

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4. 将应用交叉引用帐户，因为开发人员的信息存储在帐户对象中。

   def api_call_account_read(domain, provider_key, account_id)
     url = "https://#{domain}/admin/api/accounts/#{account_id}.xml?provider_key=#{provider_key}"
     response = RestClient.get url
     raise Exception.new("Wrong response code (#{response.code}) in request #{url}") if response.code!=200
     document = Nokogiri::XML(response.to_str)
     account = Hash.new
     account["email"] = document.xpath("//users/user/email").text
     account["name"] = document.xpath("//users/user/first_name").text + " " + document.xpath("//users/user/last_name").text
     return account
   end

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5. 将所有内容放在一起以完成脚本。您有一个获取 3scale 内置分析中没有的信息的脚本。您还可以 以 gist 形式获得完整的脚本。