按特定要求对散列数组进行Ruby排序
按特定要求对散列数组进行Ruby排序
提问于 2021-01-27 16:09:00
我需要对散列数组进行排序：
resource = [{ 'resource_id' => 34,
'description' => 'NR00123',
'total_gross_amount_cents' => bank_transfer.amount_cents,
'contractor_name' => 'Bogisich Inc' },
{ 'resource_id' => 35,
'description' => bank_transfer.purpose,
'total_gross_amount_cents' => 54321,
'contractor' => 'Bogisich Inc' },
{ 'resource_id' => 36,
'description' => 'Some description 2',
'total_gross_amount_cents' => 0123,
'contractor' => bank_transfer.creditor_name
}
]通过以下要求：
first - match_invoice_number
def match_invoice_number(resource)
bank_transfer.purpose&.include?(resource['description'])
endsecond - match_amount
def match_amount(resource)
bank_transfer.amount_cents == resource['total_gross_amount'] || resource['gross_amount_cents']
endthird - match_vendor
def match_vendor(resource)
resource['contractor'].include?(bank_transfer.creditor_name)
end所以最后的资源应该是这样的：
resource = [
{ 'resource_id' => 35,
'description' => bank_transfer.purpose,
'total_gross_amount_cents' => 54_321,
'contractor' => 'Bogisich Inc' },
{ 'resource_id' => 34,
'description' => 'NR00123',
'total_gross_amount_cents' => bank_transfer.amount_cents,
'contractor_name' => 'Bogisich Inc' },
{ 'resource_id' => 36,
'description' => 'Some description 2',
'total_gross_amount_cents' => 0o123,
'contractor' => bank_transfer.creditor_name }
]我尝试使用select，但最终资源看起来与开始时一样。下面是我使用的内容：
def only_suggested(resource)
resource.select do |resource|
collection(resource)
end
end
def collection(resource)
[match_invoice_number(resource), match_amount(resource), match_vendor(resource)]
end回答 1
Stack Overflow用户
发布于 2021-01-27 16:43:09
collection(resource)方法返回一个数组，当select检查它时，该数组被视为true值，因此您可以获得整个集合。要进行排序，可以使用sort_by方法。如果您需要提升满足所有条件的物品，请使用all?方法：
resource.sort_by do |resource|
collection(resource).all? ? 0 : 1 # To return sortable value
end如果条件具有不同的优先级：
resource.sort_by do |resource|
if match_invoice_number(resource)
0
elsif match_amount(resource)
1
elsif match_vendor(resource)
2
else
3
end
end页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/65915128
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