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35 lines
No EOL
1 KiB
CoffeeScript
35 lines
No EOL
1 KiB
CoffeeScript
_ = require "underscore"
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{ObjectId} = require("./mongojs")
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module.exports = RangeManager =
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shouldUpdateRanges: (doc_ranges, incoming_ranges) ->
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if !incoming_ranges?
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throw new Error("expected incoming_ranges")
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# If the ranges are empty, we don't store them in the DB, so set
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# doc_ranges to an empty object as default, since this is was the
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# incoming_ranges will be for an empty range set.
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if !doc_ranges?
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doc_ranges = {}
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return not _.isEqual(doc_ranges, incoming_ranges)
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jsonRangesToMongo: (ranges) ->
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return null if !ranges?
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for change in ranges.changes or []
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change.id = @_safeObjectId(change.id)
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if change.metadata?.ts?
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change.metadata.ts = new Date(change.metadata.ts)
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if change.metadata?.user_id?
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change.metadata.user_id = @_safeObjectId(change.metadata.user_id)
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for comment in ranges.comments or []
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comment.id = @_safeObjectId(comment.id)
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if comment.op?.t?
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comment.op.t = @_safeObjectId(comment.op.t)
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return ranges
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_safeObjectId: (data) ->
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try
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return ObjectId(data)
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catch
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return data |