class Rstreet::ManifestBuilder
TODO: name something more general to manifests (does more than builds)
Attributes
manifest[R]
Public Class Methods
empty_manifest()
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# File lib/manifest_builder.rb, line 13 def self.empty_manifest {} end
new(manifest_file)
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# File lib/manifest_builder.rb, line 8 def initialize(manifest_file) @manifest = {} @manifest_file = manifest_file end
Public Instance Methods
add(uploadable)
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# File lib/manifest_builder.rb, line 32 def add(uploadable) @manifest[uploadable.name] = uploadable.hash end
diff(other_manifest)
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# File lib/manifest_builder.rb, line 36 def diff(other_manifest) # TODO: determine if this is the diff algorithm we want # TODO: in the future, account for deletions and delete objects from bucket # 8 [ruby-2.1.5]::rstreet]>a.to_set # => #<Set: {[:a, 1], [:b, 2], [:c, 3]}> # 9 [ruby-2.1.5]::rstreet]>a.to_set.difference b.to_set # => #<Set: {[:b, 2], [:c, 3]}> # 10 [ruby-2.1.5]::rstreet]>b.to_set.difference a.to_set # => #<Set: {[:b, 4]}> @manifest.to_set.difference(other_manifest.to_set).to_h.keys end
read()
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# File lib/manifest_builder.rb, line 17 def read gz = Zlib::GzipReader.new(StringIO.new(@manifest_file)) @manifest = JSON.parse(gz.read).to_h gz.close @manifest end
write()
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# File lib/manifest_builder.rb, line 24 def write() File.open(@manifest_file, "w") do |f| gz = Zlib::GzipWriter.new(f) gz.write @manifest.to_json.to_s gz.close end end