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997a9e3de9
Currently, the markdown for uploads is counted towards post minimum length requirements. This change introduces a site setting `prevent_uploads_only_posts` which can be flipped to exclude upload segments from the calculation.
40 lines
1.4 KiB
Ruby
40 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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class StrippedLengthValidator < ActiveModel::EachValidator
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def self.validate(record, attribute, value, range, strip_uploads: false)
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if value.blank?
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record.errors.add attribute, I18n.t("errors.messages.blank")
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elsif value.length > range.end
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record.errors.add attribute,
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I18n.t(
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"errors.messages.too_long_validation",
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count: range.end,
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length: value.length,
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)
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else
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value = get_sanitized_value(value, strip_uploads:)
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if value.length < range.begin
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record.errors.add attribute, I18n.t("errors.messages.too_short", count: range.begin)
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end
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end
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end
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def validate_each(record, attribute, value)
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# the `in` parameter might be a lambda when the range is dynamic
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range = options[:in].lambda? ? options[:in].call : options[:in]
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self.class.validate(record, attribute, value, range)
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end
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def self.get_sanitized_value(value, strip_uploads: false)
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value = value.dup
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value.gsub!(/<!--(.*?)-->/, "") # strip HTML comments
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value.gsub!(/:\w+(:\w+)?:/, "X") # replace emojis with a single character
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value.gsub!(/\.{2,}/, "…") # replace multiple ... with …
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value.gsub!(/\,{2,}/, ",") # replace multiple ,,, with ,
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value.gsub!(/!\[.*\]\(.+\)/, "") if strip_uploads
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value.strip
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end
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end
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