86 lines
2 KiB
Ruby
86 lines
2 KiB
Ruby
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require 'digest/md5'
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class Store < ActiveRecord::Base
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store :preferences
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belongs_to :store_object, :class_name => 'Store::Object'
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belongs_to :store_file, :class_name => 'Store::File'
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def self.add(data)
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data = data.stringify_keys
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# lookup store_object.id
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store_object = Store::Object.where( :name => data['object'] ).first
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if !store_object || !store_object.id
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store_object = Store::Object.create(
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:name => data['object']
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)
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end
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data['store_object_id'] = store_object.id
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# check if record already exists
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# store = Store.where( :store_object_id => store_object.id, :o_id => data['o_id'], ).first
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# if store != nil
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# return store
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# end
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# check real store
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md5 = Digest::MD5.hexdigest( data['data'] )
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data['size'] = data['data'].to_s.to_blob.bytesize
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file = Store::File.where( :md5 => md5 ).first
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# store attachment
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if file == nil
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file = Store::File.create(
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:data => data['data'],
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:md5 => md5
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)
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end
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data['store_file_id'] = file.id
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data['created_by_id'] = 1
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# not needed attributes
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data.delete('data')
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data.delete('object')
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# store meta data
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store = Store.create(data)
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return store
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end
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def self.list(data)
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# search
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stores = Store.where( :store_object_id => Store::Object.where( :name => data[:object] ) ).
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where( :o_id => data[:o_id] ).
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order('created_at ASC, id ASC')
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return stores
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end
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def self.remove(data)
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# search
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stores = Store.where( :store_object_id => Store::Object.where( :name => data[:object] ) ).
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where( :o_id => data[:o_id] ).
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order('created_at ASC, id ASC')
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stores.each do |store|
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store.destroy
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end
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return 1
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end
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class Object < ActiveRecord::Base
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end
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class File < ActiveRecord::Base
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before_validation :add_md5
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private
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def add_md5
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self.md5 = Digest::MD5.hexdigest( self.data )
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end
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end
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end
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