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author | Robert Schilling <rschilling@student.tugraz.at> | 2017-03-02 15:14:13 +0300 |
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committer | Robert Schilling <rschilling@student.tugraz.at> | 2017-08-28 17:40:25 +0300 |
commit | e80313f9ee5b3495a8713e6ddae111bc8106155b (patch) | |
tree | f1327448ef9e837aedb9fde9a50d6531e42a6112 /lib/api/helpers.rb | |
parent | 998afa5f74558be215a924d95aa131a69831ca43 (diff) |
Conditionally destroy a ressource
Diffstat (limited to 'lib/api/helpers.rb')
-rw-r--r-- | lib/api/helpers.rb | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/lib/api/helpers.rb b/lib/api/helpers.rb index 1c74a14d91c..8d4f8c01903 100644 --- a/lib/api/helpers.rb +++ b/lib/api/helpers.rb @@ -11,14 +11,25 @@ module API declared(params, options).to_h.symbolize_keys end - def check_unmodified_since(last_modified) - if_unmodified_since = Time.parse(headers['If-Unmodified-Since']) if headers.key?('If-Unmodified-Since') rescue nil + def check_unmodified_since!(last_modified) + if_unmodified_since = Time.parse(headers['If-Unmodified-Since']) rescue nil - if if_unmodified_since && if_unmodified_since < last_modified + if if_unmodified_since && last_modified > if_unmodified_since render_api_error!('412 Precondition Failed', 412) end end + def destroy_conditionally!(resource, last_update_field: :updated_at) + check_unmodified_since!(resource.public_send(last_update_field)) + + status 204 + if block_given? + yield resource + else + resource.destroy + end + end + def current_user return @current_user if defined?(@current_user) |