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fix page model assign_page_number method for empty database

This commit is contained in:
manson 2014-08-19 12:17:00 +08:00
parent 3609fab32a
commit 3f15d8102c
1 changed files with 7 additions and 5 deletions
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12
app/models/page.rb
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@ -33,12 +33,14 @@ class Page
def assign_page_number def assign_page_number
parent_page = self.parent_page parent_page = self.parent_page
if parent_page.child_page.count == 0 if !parent_page.nil?
number = 0 if parent_page.child_page.count == 0
else number = 0
number = parent_page.child_page.max(:number) + 1 else
number = parent_page.child_page.max(:number) + 1
end
self.number = number
end end
self.number = number
end end
def parent_pages def parent_pages