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- SystemMessage = require("../../models/SystemMessage").SystemMessage
- module.exports = SystemMessageManager =
- getMessages: (callback = (error, messages) ->) ->
- if @_cachedMessages?
- return callback null, @_cachedMessages
- else
- @getMessagesFromDB (error, messages) =>
- return callback(error) if error?
- @_cachedMessages = messages
- return callback null, messages
-
- getMessagesFromDB: (callback = (error, messages) ->) ->
- SystemMessage.find {}, callback
-
- clearMessages: (callback = (error) ->) ->
- SystemMessage.remove {}, callback
-
- createMessage: (content, callback = (error) ->) ->
- message = new SystemMessage { content: content }
- message.save callback
-
- clearCache: () ->
- delete @_cachedMessages
-
- CACHE_TIMEOUT = 20 * 1000 # 20 seconds
- setInterval () ->
- SystemMessageManager.clearCache()
- , CACHE_TIMEOUT
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