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21 lines
815 B
CoffeeScript
21 lines
815 B
CoffeeScript
Settings = require "settings-sharelatex"
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redis = require('redis')
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redisConf = Settings.redis?.web or {host: "localhost", port: 6379}
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rclient = redis.createClient(redisConf.port, redisConf.host)
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rclient.auth(redisConf.password)
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buildRawUpdatesKey = (doc_id) -> "UncompressedHistoryOps:#{doc_id}"
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module.exports = RedisManager =
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getOldestRawUpdates: (doc_id, batchSize, callback = (error, rawUpdates) ->) ->
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key = buildRawUpdatesKey(doc_id)
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rclient.lrange key, 0, batchSize - 1, (error, jsonUpdates) ->
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try
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rawUpdates = ( JSON.parse(update) for update in jsonUpdates or [] )
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catch e
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return callback(e)
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callback null, rawUpdates
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deleteOldestRawUpdates: (doc_id, batchSize, callback = (error, rawUpdates) ->) ->
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key = buildRawUpdatesKey(doc_id)
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rclient.ltrim key, batchSize, -1, callback
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