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3b5a07d530
the items do not have the same tag, so we must delete the entry from the docsWithHistoryOps set outside the multi.
33 lines
1.3 KiB
CoffeeScript
33 lines
1.3 KiB
CoffeeScript
Settings = require "settings-sharelatex"
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redis = require("redis-sharelatex")
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rclient = redis.createClient(Settings.redis.history)
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Keys = Settings.redis.history.key_schema
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module.exports = RedisManager =
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getOldestDocUpdates: (doc_id, batchSize, callback = (error, jsonUpdates) ->) ->
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key = Keys.uncompressedHistoryOps({doc_id})
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rclient.lrange key, 0, batchSize - 1, callback
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expandDocUpdates: (jsonUpdates, callback = (error, rawUpdates) ->) ->
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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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deleteAppliedDocUpdates: (project_id, doc_id, docUpdates, callback = (error) ->) ->
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multi = rclient.multi()
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# Delete all the updates which have been applied (exact match)
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for update in docUpdates or []
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multi.lrem Keys.uncompressedHistoryOps({doc_id}), 0, update
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multi.exec (error, results) ->
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return callback(error) if error?
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# It's ok to delete the doc_id from the set here. Even though the list
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# of updates may not be empty, we will continue to process it until it is.
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rclient.srem Keys.docsWithHistoryOps({project_id}), doc_id, (error) ->
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return callback(error) if error?
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callback null
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getDocIdsWithHistoryOps: (project_id, callback = (error, doc_ids) ->) ->
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rclient.smembers Keys.docsWithHistoryOps({project_id}), callback
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