Fix moved student in LARA

fix_moved_students_in_lara.rb

# get offering and class json api responses from running teacher report
# URL templates: 
#   https://learn.concord.org/api/v1/classes/[class_id]
#   https://learn.concord.org/api/v1/offerings/[offering_id] 
# modify offering json by adding class_hash property from the class json

# The following commands are to be run in the LARA rails console

offering_json = <<-EOS
# Paste modified offering json string inside here
EOS

offering_obj = JSON.parse(offering_json)

# function for updating the platform_info in the child runs
# in future versions of LARA this won't be necessary
def update_seq_platform_info(sequence_run)
  sequence_run.runs.each { |r|
    r.update_attributes(
      class_info_url: sequence_run.class_info_url,
      context_id: sequence_run.context_id,
      platform_id: sequence_run.platform_id,
      platform_user_id: sequence_run.platform_user_id,
      resource_link_id: sequence_run.resource_link_id
    )
  }
end

# save our modified sequence runs
seq_runs = []
error_log = ""

# Collect the sequence runs and check for inconsistencies
# if there are errors printed out then they should probably be resolved
# before going forward
offering_obj['students'].each{|student| 
  seq_run = SequenceRun.where(remote_endpoint: student['endpoint_url']).first
  if seq_run.platform_user_id != student['user_id'].to_s
    error_log += "SequenceRun for #{student['endpoint_url']} doesn't match user_id\n"
    next
  end
  if seq_run.platform_id != "https://learn.concord.org"
    error_log += "SequenceRun for #{student['endpoint_url']} doesn't have valid platform_id\n"
    next
  end
  seq_runs << seq_run  
}; nil
puts error_log

# print out the existing platform info for each run to make sure we aren't
# messing something up:
def print_info_on_runs(_seq_runs)
  output = "id, class_info_url, context_id, platform_id, platform_user_id, remote_endpoint, resource_link_id\n"
  _seq_runs.each{|seq_run|
    output += "#{seq_run.id}, #{seq_run.class_info_url}, #{seq_run.context_id}, #{seq_run.platform_id}, #{seq_run.platform_user_id}, #{seq_run.remote_endpoint}, #{seq_run.resource_link_id}\n"
  }
  puts output
end
print_info_on_runs(seq_runs)

# find out how many there are...
seq_runs.count


# update them with out saving first
# this provides the oportunity to check them again with the Proc above
seq_runs.each{|seq_run| 
  seq_run.class_info_url = offering_obj['clazz_info_url']
  seq_run.context_id = offering_obj['class_hash']
  seq_run.resource_link_id = offering_obj['id'].to_s
}; nil

# look at the info again to make sure things are updated as expected
print_info_on_runs(seq_runs)

# Save the updated sequence runs and update the activity runs
seq_runs.each{|seq_run| 
  seq_run.save!

  # create activity runs for all of the activities in the sequence even if the student hasn't
  # seen the activity yet
  seq_run.make_or_update_runs
  update_seq_platform_info(seq_run)
}; nil

# Sending them to firestore
# check that the local environment has
# ENV["REPORT_SERVICE_SELF_URL"]
# ENV["REPORT_SERVICE_URL"]
# ENV["REPORT_SERVICE_TOKEN"]
seq_runs.each{|seq_run|
  seq_run.runs.each{|run|
    sender = ReportService::RunSender.new(run, { send_all_answers: true })
    result = sender.send
    if (!result || !result["success"])
      puts "Failed to send Run: #{run.id}"
    end
  }
}; nil