overleaf/services/web/public/coffee/history/VersionList.coffee

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CoffeeScript
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2014-02-12 10:23:40 +00:00
define [
"history/Version"
"libs/backbone"
], (Version)->
VersionList = Backbone.Collection.extend
model: Version
batchSize: 50
url: () ->
url = "/project/#{window.userSettings.project_id}/version?limit=#{@batchSize}"
if @models.length > 0
last = @models[@models.length - 1]
url += "&before=#{last.get("id")}"
return url
parse: (json) ->
for version in json.versions
version.date = new Date(version.date)
return json.versions
comparator: (version) -> - Date.parse(version.get("date"))
fetchNextBatch: (options = {}) ->
options.add = true
@fetch options
fetchNewVersions: (options = {}) ->
options.url = "/project/#{window.userSettings.project_id}/version?limit=5"
options.add = true
unless options.timeout?
options.timeout = 10000 #milliseconds
# Keep requesting the beginning of the version list
# until we've added some more versions or reached the
# timeout limit.
currentVersionCount = @models.length
continueLoading = () =>
unless @models.length > currentVersionCount
unless options.timeout <= 0
runAgain = () =>
options.timeout = options.timeout - 1000
@fetchNewVersions(options)
setTimeout(runAgain, 1000)
options.success = continueLoading
options.error = continueLoading
@fetch options