30 lines
605 B
CoffeeScript
30 lines
605 B
CoffeeScript
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{_} = require 'underscore'
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LOG_KEY = "log"
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LOG_MAX = 100
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redis = require('./redis')
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log = (message, context={}, next) ->
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context = _.extend({}, @context, context)
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obj = {message, context}
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objStr = JSON.stringify(obj)
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redis.lpush LOG_KEY, objStr, (err) ->
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return next(err) if err
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redis.ltrim LOG_KEY, 0, LOG_MAX, (err, count) ->
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return next(err) if err
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next() if err
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return objStr
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withContext = (context) ->
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context = _.extend({}, @context, context)
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return {
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context: context
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log: log
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withContext: withContext
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}
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@log = log
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@withContext = withContext
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