70 lines
2.5 KiB
Ruby
70 lines
2.5 KiB
Ruby
require 'google/apis/sheets_v4'
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class Form < ApplicationRecord
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# Hash to translate an index to a A1 notation. e.g. 1 => 'B', 27 => 'AA'
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COLUMN_INDEX_TO_LETTER = Hash.new {|hash,key| hash[key] = hash[key - 1].next }.merge({0 => "A"})
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belongs_to :user
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has_many :submissions, dependent: :destroy
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after_create :create_spreadsheet
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has_secure_token
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validates_presence_of :title
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def create_spreadsheet
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sheets = Google::Apis::SheetsV4::SheetsService.new
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sheets.authorization = user.google_authorization
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create_object = Google::Apis::SheetsV4::Spreadsheet.new(properties: { title: title})
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spreadsheet = sheets.create_spreadsheet(create_object)
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update(google_spreadsheet_id: spreadsheet.spreadsheet_id)
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end
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def spreadsheet_service
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@spreadsheet_service ||= Google::Apis::SheetsV4::SheetsService.new.tap do |s|
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s.authorization = user.google_authorization
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end
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end
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def header_values
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@header_values ||= begin
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values = spreadsheet_service.get_spreadsheet_values(google_spreadsheet_id, 'A1:An').values
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# if there are no headers yet, return an empty array
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if values
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values[0].map(&:strip)
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else
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[]
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end
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end
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end
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def append(data)
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data = data.with_indifferent_access
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check_spreadsheed_headers!(data)
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values = header_values.map { |key| data[key] }
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range = "A1:A#{COLUMN_INDEX_TO_LETTER[values.length]}1"
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value_range = Google::Apis::SheetsV4::ValueRange.new(values: [values], major_dimension: 'ROWS')
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spreadsheet_service.append_spreadsheet_value(google_spreadsheet_id, range, value_range, value_input_option: 'USER_ENTERED')
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end
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def check_spreadsheed_headers!(data)
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missing_headers = data.keys.map { |k| k.to_s.strip } - header_values
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append_missing_headers(missing_headers) unless missing_headers.empty?
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end
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def append_missing_headers(missing_headers)
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start_column = COLUMN_INDEX_TO_LETTER[header_values.length]
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end_column = COLUMN_INDEX_TO_LETTER[header_values.length + missing_headers.length]
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range = "#{start_column}1:#{end_column}1"
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value_range = Google::Apis::SheetsV4::ValueRange.new(values: [missing_headers], major_dimension: 'ROWS')
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spreadsheet_service.update_spreadsheet_value(google_spreadsheet_id, range, value_range, value_input_option: 'USER_ENTERED')
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@header_values = nil # reset header values to refresh memoization on next access
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end
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def to_param
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token
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end
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end
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