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Add send_file to helpers

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This commit is contained in:
Sdogruyol 2016-07-19 20:58:04 +03:00
parent b00bc7a202
commit 5e297d86f8
2 changed files with 43 additions and 0 deletions
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17
src/kemal/helpers/helpers.cr
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@ -40,3 +40,20 @@ end
def headers(env, additional_headers)
env.response.headers.merge!(additional_headers)
end
# Send a file with given path and default `application/octet-stream` mime_type.
#
# send_file env, "./path/to/file"
#
# Optionally you can override the mime_type
#
# send_file env, "./path/to/file", "image/jpeg"
def send_file(env, path : String, mime_type : String? = nil)
file_path = File.expand_path(path, Dir.current)
mime_type = "application/octet-stream" unless mime_type
env.response.headers.add "Content-Type", mime_type
env.response.content_length = File.size(file_path)
File.open(file_path) do |file|
IO.copy(file, env.response)
end
end