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38 lines
No EOL
1.4 KiB
CoffeeScript
38 lines
No EOL
1.4 KiB
CoffeeScript
Settings = require('settings-sharelatex')
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rclient = require("redis-sharelatex").createClient(Settings.redis.web)
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async = require "async"
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module.exports = WebRedisManager =
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getPendingUpdatesForDoc : (doc_id, callback)->
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multi = rclient.multi()
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multi.lrange "PendingUpdates:#{doc_id}", 0 , -1
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multi.del "PendingUpdates:#{doc_id}"
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multi.exec (error, replys) ->
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return callback(error) if error?
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jsonUpdates = replys[0]
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updates = []
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for jsonUpdate in jsonUpdates
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try
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update = JSON.parse jsonUpdate
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catch e
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return callback e
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updates.push update
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callback error, updates
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getUpdatesLength: (doc_id, callback)->
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rclient.llen "PendingUpdates:#{doc_id}", callback
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pushUncompressedHistoryOps: (project_id, doc_id, ops = [], callback = (error, length) ->) ->
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if ops.length == 0
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return callback(new Error("cannot push no ops")) # This should never be called with no ops, but protect against a redis error if we sent an empty array to rpush
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jsonOps = ops.map (op) -> JSON.stringify op
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async.parallel [
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(cb) -> rclient.rpush "UncompressedHistoryOps:#{doc_id}", jsonOps..., cb
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(cb) -> rclient.sadd "DocsWithHistoryOps:#{project_id}", doc_id, cb
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], (error, results) ->
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return callback(error) if error?
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[length, _] = results
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callback(error, length)
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sendData: (data) ->
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rclient.publish "applied-ops", JSON.stringify(data) |