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# File 'lib/generators/trendable/migration_generator.rb', line 8
def create_migration_file
plural_name = file_name.pluralize
model_name = file_name
destination = "db/migrate/#{Time.now.utc.strftime('%Y%m%d%H%M%S')}_trendable_migration_for_#{model_name}.rb".gsub(" ", "")
migration_name = "TrendableMigrationFor#{model_name.titlecase}".gsub(" ", "")
count = nil
i = 1
while !Dir.glob("db/migrate/*_trendable_migration_for_#{model_name}#{count}.rb".gsub(" ", "")).empty?
i += 1
count = "_#{i}"
destination = "db/migrate/#{Time.now.utc.strftime('%Y%m%d%H%M%S')}_trendable_migration_for_#{model_name}#{count}.rb".gsub(" ", "")
migration_name = "TrendableMigrationFor#{model_name.titlecase}#{i}".gsub(" ", "")
end
create_file destination, <<-FILE
class #{migration_name} < ActiveRecord::Migration
def change
add_column :#{plural_name}, :trending_power, :integer, default: 1000
add_index :#{plural_name}, :trending_power
end
end
FILE
end
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