Daniel Sasse dsasse07
dsasse07
/ literally_defined_methods.rb
Last active
December 29, 2020 22:24
Example of literally defined aggregate methods for use in blog post.
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| def self.count_vhs_by_rentals | |
| Rental.all.each_with_object({}) do |rental, vhs_hash| | |
| vhs_hash[rental.vhs].nil? ? vhs_hash[rental.vhs] = 1 : vhs_hash[rental.vhs] += 1 | |
| end | |
| end | |
| #=> {<Vhs:0x00007f8d5e2bf0f0 id: 17, serial_number: "MAX-luqovgdk8e7tl", movie_id: 9 => 1, | |
| #<Vhs:0x00007f8d4f81a4a0 id: 29, serial_number: "BABA-t6k24krzqclts", movie_id: 13 =>2, | |
| #<Vhs:0x00007f8d4f854538 id: 11, serial_number: "BABA-begvxe7ai0rc6", movie_id: 13 =>3} | |
| def self.count_vhs_by_client |
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