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https://github.com/openfoodfoundation/openfoodnetwork
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38 lines
1.1 KiB
CoffeeScript
38 lines
1.1 KiB
CoffeeScript
angular.module("admin.products").factory "VariantUnitManager", ->
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class VariantUnitManager
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@unitNames:
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'weight':
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1.0: 'g'
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1000.0: 'kg'
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1000000.0: 'T'
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'volume':
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0.001: 'mL'
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1.0: 'L'
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1000.0: 'kL'
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@variantUnitOptions: ->
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options = for unit_type, scale_with_name of @unitNames
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unit_type_cap = unit_type[0].toUpperCase() + unit_type[1..-1]
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for scale in @unitScales(unit_type)
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name = @getUnitName(scale, unit_type)
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["#{unit_type_cap} (#{name})", "#{unit_type}_#{scale}"]
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options.push [['Items', 'items']]
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[].concat options...
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@getScale: (value, unitType) ->
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scaledValue = null
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validScales = []
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unitScales = VariantUnitManager.unitScales(unitType)
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validScales.unshift scale for scale in unitScales when value/scale >= 1
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if validScales.length > 0
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validScales[0]
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else
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unitScales[0]
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@getUnitName: (scale, unitType) ->
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@unitNames[unitType][scale]
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@unitScales: (unitType) ->
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(parseFloat(scale) for scale in Object.keys(@unitNames[unitType])).sort()
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