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Maintain size of sponsor logos

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Places logo on a white background if image is smaller than the given
constrains.
Resizes the logo if image is larger than constrains.
Validation of presence of logo was moved cause file field wasn't getting
marked as required field ('*' thingy) in form.
`- if logo presence` was removed cause logo is mandatory field.
This commit is contained in:
Aditya Prakash 2016-04-20 12:13:07 +05:30
parent 647a40be63
commit af08d843a8
3 changed files with 26 additions and 7 deletions
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16
app/models/sponsor.rb
View file

@ -2,12 +2,20 @@ class Sponsor < ActiveRecord::Base
belongs_to :sponsorship_level
belongs_to :conference
has_attached_file :logo,
styles: { thumb: '100x100>', large: '300x300>' }
styles: { thumb: '100x100>',
first: '320x180>',
second: '320x150>',
others: '320x120>' },
# places logo on a white background to maintain size
convert_options: {
first: '-background white -gravity center -extent 320x180',
second: '-background white -gravity center -extent 320x150',
others: '-background white -gravity center -extent 320x120'
}
validates_attachment_content_type :logo,
content_type: [/jpg/, /jpeg/, /png/, /gif/],
size: { in: 0..500.kilobytes },
presence: true
size: { in: 0..500.kilobytes }
validates_presence_of :name, :website_url, :sponsorship_level
validates_presence_of :name, :website_url, :sponsorship_level, :logo
end