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50 lines
1.3 KiB
50 lines
1.3 KiB
class Company
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attr_reader :id, :name, :industry
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# connect to postgres
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DB = PG.connect(host: "localhost", port: 5432, dbname: 'contacts')
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def initialize(opts = {})
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@id = opts["id"].to_i
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@name = opts["name"]
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@age = opts["industry"]
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end
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def self.all
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results = DB.exec("SELECT * FROM companies;")
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return results.map { |result| Company.new(result) }
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end
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def self.find(id)
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results = DB.exec("SELECT * FROM companies WHERE id=#{id};")
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return Company.new(results.first)
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end
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def self.create(opts={})
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results = DB.exec(
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<<-SQL
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INSERT INTO companies (name, industry)
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VALUES ( '#{opts["name"]}', '#{opts["industry"]}' )
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RETURNING id, name, industry;
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SQL
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)
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return Company.new(results.first)
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end
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def self.delete(id)
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results = DB.exec("DELETE FROM companies WHERE id=#{id};")
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return { deleted: true }
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end
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def self.update(id, opts={})
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results = DB.exec(
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<<-SQL
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UPDATE companies
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SET name='#{opts["name"]}', industry='#{opts["industry"]}'
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WHERE id=#{id}
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RETURNING id, name, industry;
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SQL
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)
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return Company.new(results.first)
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end
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end
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