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33 lines
973 B
CoffeeScript
33 lines
973 B
CoffeeScript
db = require("./DB")
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mongoCache = require("./MongoCache")
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logger = require 'logger-sharelatex'
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metrics = require('metrics-sharelatex')
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module.exports = LearnedWordsManager =
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learnWord: (user_token, word, callback = (error)->) ->
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mongoCache.del(user_token)
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db.spellingPreferences.update {
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token: user_token
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}, {
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$push: learnedWords: word
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}, {
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upsert: true
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}, callback
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getLearnedWords: (user_token, callback = (error, words)->) ->
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mongoCachedWords = mongoCache.get(user_token)
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if mongoCachedWords?
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logger.info user_token:user_token, "mongoCache hit"
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metrics.inc "mongoCache-hit", 0.1
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return callback(null, mongoCachedWords)
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metrics.inc "mongoCache-miss", 0.1
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logger.info user_token:user_token, "mongoCache miss"
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db.spellingPreferences.findOne token: user_token, (error, preferences) ->
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return callback error if error?
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words = preferences?.learnedWords || []
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mongoCache.set(user_token, words)
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callback null, words
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