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1467ec9364
* Add Wikidata integration for garden climate data - Add location_wikidata_id, lowest_temp_c, and highest_temp_c to gardens. - Implement WikidataService for fetching IDs and temperature properties. - Map P6591 to highest_temp_c and P7422 to lowest_temp_c with unit conversion. - Automatically populate Wikidata info on garden location change. - Add manual "Fetch Wikidata info" button and opt-in prompt to garden show page. - Update gardens_controller to permit new attributes and handle manual fetch. - Update db/schema.rb manually to include new columns and migration version. Co-authored-by: CloCkWeRX <365751+CloCkWeRX@users.noreply.github.com> * Fix migration * Improve display --------- Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>
75 lines
2.1 KiB
Ruby
75 lines
2.1 KiB
Ruby
# frozen_string_literal: true
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require 'net/http'
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require 'json'
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class WikidataService
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CELSIUS_UNIT_ID = 'http://www.wikidata.org/entity/Q25267'
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FAHRENHEIT_UNIT_ID = 'http://www.wikidata.org/entity/Q42289'
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def self.find_wikidata_id(location_name)
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return nil if location_name.blank?
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uri = URI("https://www.wikidata.org/w/api.php?action=wbsearchentities&search=#{URI.encode_www_form_component(location_name)}&language=en&format=json")
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req = Net::HTTP::Get.new(uri)
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req['User-Agent'] = "Growstuff (https://www.growstuff.org; admin@growstuff.org)"
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response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
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http.request(req)
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end
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data = JSON.parse(response.body)
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data.dig('search', 0, 'id')
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rescue StandardError => e
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Rails.logger.error "WikidataService.find_wikidata_id error: #{e.message}"
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nil
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end
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def self.fetch_temps(wikidata_id)
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return {} if wikidata_id.blank?
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uri = URI("https://www.wikidata.org/w/api.php?action=wbgetentities&ids=#{wikidata_id}&props=claims&format=json")
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req = Net::HTTP::Get.new(uri)
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req['User-Agent'] = "Growstuff (https://www.growstuff.org; admin@growstuff.org)"
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response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
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http.request(req)
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end
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data = JSON.parse(response.body)
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claims = data.dig('entities', wikidata_id, 'claims') || {}
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highest_temp = extract_temp(claims['P6591'])
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lowest_temp = extract_temp(claims['P7422'])
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{
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highest_temp_c: highest_temp,
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lowest_temp_c: lowest_temp
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}
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rescue StandardError => e
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Rails.logger.error "WikidataService.fetch_temps error: #{e.message}"
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{}
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end
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def self.extract_temp(claim_data)
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return nil if claim_data.blank?
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# We take the first value
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main_snak = claim_data.first&.dig('mainsnak')
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return nil unless main_snak&.dig('datavalue', 'type') == 'quantity'
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quantity_data = main_snak.dig('datavalue', 'value')
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amount = quantity_data['amount'].to_f
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unit = quantity_data['unit']
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case unit
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when CELSIUS_UNIT_ID
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amount
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when FAHRENHEIT_UNIT_ID
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(amount - 32) * 5.0 / 9.0
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else
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nil
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end
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end
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end
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