Updating your strava activities to use a given gear

strava.rb

gem 'strava-ruby-client'

require 'strava-ruby-client'

client = Strava::Api::Client.new(
  access_token: "access_code"
)

#time interval to update
after = Time.new(2022, 1, 1).to_i
before = Time.new(2023, 1, 1).to_i

gear_id_to_be_replaced = "1"
new_gear_id = "2"

client.athlete_activities(after: after, before: before, per_page: 200) do |activity|
  if activity.gear_id == gear_id_to_be_replaced
    puts "Starting to update #{activity.id}..."
    updated_activity = client.update_activity(
      id: activity.id,
      gear_id: new_gear_id
    )

    puts updated_activity
    puts "Finished to update #{activity.id}!\n\n"
  else
    puts "Skipping update for #{activity.id}!\n\n"
  end
end

strava_auth.rb

gem 'strava-ruby-client'

require 'strava-ruby-client'

# replace with your app id https://www.strava.com/settings/api
client = Strava::OAuth::Client.new(
  client_id: 'client_id',
  client_secret: 'client_secret'
)

redirect_url = client.authorize_url(
  redirect_uri: 'redirect_url', # strava owned https://developers.strava.com can be used here
  approval_prompt: 'force',
  response_type: 'code',
  scope: 'activity:read_all,activity:write',
  state: 'magic'
)

puts redirect_url # enter the url and authorize the application access

response = client.oauth_token(code: 'code') #use the code in the url you were redirected after authorization here

puts response.access_token