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42 lines
1.4 KiB
CoffeeScript
42 lines
1.4 KiB
CoffeeScript
{db, ObjectId} = require "./mongojs"
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module.exports = SnapshotManager =
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recordSnapshot: (project_id, doc_id, version, pathname, lines, ranges, callback) ->
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try
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project_id = ObjectId(project_id)
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doc_id = ObjectId(doc_id)
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catch error
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return callback(error)
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db.docSnapshots.insert {
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project_id, doc_id, version, lines, pathname,
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ranges: SnapshotManager.jsonRangesToMongo(ranges),
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ts: new Date()
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}, callback
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# Suggested indexes:
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# db.docSnapshots.createIndex({project_id:1, doc_id:1})
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# db.docSnapshots.createIndex({ts:1},{expiresAfterSeconds: 30*24*3600)) # expires after 30 days
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jsonRangesToMongo: (ranges) ->
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return null if !ranges?
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updateMetadata = (metadata) ->
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if metadata?.ts?
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metadata.ts = new Date(metadata.ts)
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if metadata?.user_id?
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metadata.user_id = SnapshotManager._safeObjectId(metadata.user_id)
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for change in ranges.changes or []
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change.id = SnapshotManager._safeObjectId(change.id)
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updateMetadata(change.metadata)
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for comment in ranges.comments or []
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comment.id = SnapshotManager._safeObjectId(comment.id)
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if comment.op?.t?
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comment.op.t = SnapshotManager._safeObjectId(comment.op.t)
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updateMetadata(comment.metadata)
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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 error
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return data
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