codecombat/app/core/NameLoader.coffee

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CocoClass = require 'core/CocoClass'
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namesCache = {}
class NameLoader extends CocoClass
loadNames: (ids) ->
toLoad = _.uniq (id for id in ids when not namesCache[id])
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return false unless toLoad.length
jqxhrOptions = {
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url: '/db/user/x/names',
type: 'POST',
data: {ids: toLoad},
success: @loadedNames
}
return jqxhrOptions
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loadedNames: (newNames) =>
_.extend namesCache, newNames
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getName: (id) -> namesCache[id]?.name or id
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module.exports = new NameLoader()