get js api

app/apis/dingtalk/api/base.rb

@@ -12,6 +12,10 @@ module Dingtalk::Api
       @client.get 'gettoken', params: { appkey: app.app_key, appsecret: app.app_secret }, base: BASE
     end
 
+    def jsapi_ticket
+      get 'get_jsapi_ticket', base: BASE
+    end
+
     def get(path, params: {}, headers: {}, base: nil, as: nil)
       with_access_token(params) do |with_token_params|
         @client.get path, headers: headers, params: with_token_params, base: base, as: as

app/models/dingtalk/model/app.rb

@@ -10,6 +10,9 @@ module Dingtalk
       attribute :corp_id, :string
       attribute :access_token, :string
       attribute :access_token_expires_at, :datetime
+      attribute :jsapi_ticket, :string
+      attribute :oauth2_state, :string
+      attribute :jsapi_ticket_expires_at, :datetime
     end
 
     def api
@@ -37,5 +40,30 @@ module Dingtalk
       access_token_expires_at > Time.current
     end
 
+    def jsapi_ticket
+      if jsapi_ticket_valid?
+        super
+      else
+        refresh_jsapi_ticket
+      end
+    end
+
+    def jsapi_ticket_valid?
+      return false unless jsapi_ticket_expires_at.acts_like?(:time)
+      jsapi_ticket_expires_at > Time.current
+    end
+
+    def refresh_jsapi_ticket
+      r = api.jsapi_ticket
+      store_jsapi_ticket(r)
+      jsapi_ticket
+    end
+
+    def store_jsapi_ticket(ticket_hash)
+      self.jsapi_ticket = ticket_hash['ticket']
+      self.jsapi_ticket_expires_at = Time.current + ticket_hash['expires_in'].to_i
+      self.save
+    end
+
   end
 end