116 lines
2.3 KiB
Ruby
116 lines
2.3 KiB
Ruby
# Blob is a Rails-specific wrapper around Gitlab::Git::Blob objects
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class Blob < SimpleDelegator
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CACHE_TIME = 60 # Cache raw blobs referred to by a (mutable) ref for 1 minute
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CACHE_TIME_IMMUTABLE = 3600 # Cache blobs referred to by an immutable reference for 1 hour
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# The maximum size of an SVG that can be displayed.
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MAXIMUM_SVG_SIZE = 2.megabytes
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# Wrap a Gitlab::Git::Blob object, or return nil when given nil
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#
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# This method prevents the decorated object from evaluating to "truthy" when
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# given a nil value. For example:
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#
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# blob = Blob.new(nil)
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# puts "truthy" if blob # => "truthy"
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#
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# blob = Blob.decorate(nil)
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# puts "truthy" if blob # No output
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def self.decorate(blob)
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return if blob.nil?
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new(blob)
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end
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# Returns the data of the blob.
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#
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# If the blob is a text based blob the content is converted to UTF-8 and any
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# invalid byte sequences are replaced.
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def data
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if binary?
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super
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else
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@data ||= super.encode(Encoding::UTF_8, invalid: :replace, undef: :replace)
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end
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end
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def no_highlighting?
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size && size > 1.megabyte
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end
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def only_display_raw?
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size && truncated?
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end
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def extension
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extname.downcase.delete('.')
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end
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def svg?
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text? && language && language.name == 'SVG'
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end
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def pdf?
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extension == 'pdf'
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end
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def ipython_notebook?
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text? && language&.name == 'Jupyter Notebook'
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end
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def sketch?
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binary? && extension == 'sketch'
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end
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def stl?
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extension == 'stl'
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end
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def markup?
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text? && Gitlab::MarkupHelper.markup?(name)
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end
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def size_within_svg_limits?
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size <= MAXIMUM_SVG_SIZE
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end
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def video?
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UploaderHelper::VIDEO_EXT.include?(extname.downcase.delete('.'))
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end
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def to_partial_path(project)
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if lfs_pointer?
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if project.lfs_enabled?
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'download'
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else
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'text'
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end
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elsif image?
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'image'
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elsif svg?
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'svg'
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elsif pdf?
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'pdf'
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elsif ipython_notebook?
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'notebook'
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elsif sketch?
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'sketch'
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elsif stl?
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'stl'
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elsif markup?
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if only_display_raw?
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'too_large'
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else
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'markup'
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end
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elsif text?
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if only_display_raw?
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'too_large'
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else
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'text'
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end
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else
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'download'
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end
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end
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end
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