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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| class Digitaltolk::StoreMessagesParquetJob < ApplicationJob | ||
| queue_as :default | ||
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| def perform(message_ids, file_name) | ||
| @messages = Message.where(id: message_ids) | ||
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| Digitaltolk::MessagesParquetService.new(@messages, file_name).perform | ||
| end | ||
| end |
11 changes: 11 additions & 0 deletions
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app/jobs/digitaltolk/store_survey_responses_parquet_job.rb
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| class Digitaltolk::StoreSurveyResponsesParquetJob < ApplicationJob | ||
| queue_as :default | ||
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| def perform(survey_response_ids, file_name) | ||
| @survey_responses = SurveyResponse.where(id: survey_response_ids) | ||
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| if @survey_responses.present? | ||
| Digitaltolk::SurveyResponsesParquetService.new(@survey_responses, file_name).perform | ||
| end | ||
| end | ||
| end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| require 'parquet' | ||
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| class Digitaltolk::MessagesParquetService | ||
| attr_accessor :messages, :file_name | ||
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| def initialize(messages, file_name) | ||
| @messages = messages | ||
| @file_name = file_name | ||
| end | ||
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| # @return [Hash] | ||
| def perform | ||
| process_upload | ||
| end | ||
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| private | ||
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| def process_upload | ||
| export_parquet | ||
| end | ||
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| def file_path | ||
| @file_path ||= Rails.root.join('tmp', file_name) | ||
| end | ||
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| def arrow_fields | ||
| [ | ||
| Arrow::Field.new('id', :int32), | ||
| Arrow::Field.new('content', :string), | ||
| Arrow::Field.new('inbox_id', :int32), | ||
| Arrow::Field.new('conversation_id', :int32), | ||
| Arrow::Field.new('message_type', :string), | ||
| Arrow::Field.new('content_type', :string), | ||
| Arrow::Field.new('status', :string), | ||
| Arrow::Field.new('created_at', :int32), | ||
| Arrow::Field.new('private', :boolean), | ||
| Arrow::Field.new('source_id', :int32) | ||
| ] | ||
| end | ||
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| def arrow_schema | ||
| Arrow::Schema.new(arrow_fields) | ||
| end | ||
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| def initialize_columns | ||
| @columns = {} | ||
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| arrow_fields.each do |f| | ||
| @columns[f.name] = [] | ||
| end | ||
| end | ||
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| def load_columns_data | ||
| messages.each do |message| | ||
| @columns['id'] << message.id | ||
| @columns['content'] << message.content | ||
| @columns['inbox_id'] << message.inbox_id | ||
| @columns['conversation_id'] << message.conversation.display_id | ||
| @columns['message_type'] << message.message_type_before_type_cast | ||
| @columns['content_type'] << message.content_type | ||
| @columns['status'] << message.status | ||
| @columns['created_at'] << message.created_at.to_i | ||
| @columns['private'] << message.private | ||
| @columns['source_id'] << message.source_id | ||
| end | ||
| end | ||
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| def map_columns_array | ||
| [ | ||
| Arrow::Int32Array.new(@columns['id']), | ||
| Arrow::StringArray.new(@columns['content']), | ||
| Arrow::Int32Array.new(@columns['inbox_id']), | ||
| Arrow::Int32Array.new(@columns['conversation_id']), | ||
| Arrow::StringArray.new(@columns['message_type']), | ||
| Arrow::StringArray.new(@columns['content_type']), | ||
| Arrow::StringArray.new(@columns['status']), | ||
| Arrow::Int32Array.new(@columns['created_at']), | ||
| Arrow::BooleanArray.new(@columns['private']), | ||
| Arrow::Int32Array.new(@columns['source_id']) | ||
| ] | ||
| end | ||
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| def arrow_columns | ||
| initialize_columns | ||
| load_columns_data | ||
| map_columns_array | ||
| end | ||
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| def export_parquet | ||
| record_batch = Arrow::RecordBatch.new(arrow_schema, @messages.count, arrow_columns) | ||
| record_batch.to_table.save(file_path) | ||
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| url = Digitaltolk::UploadToS3.new(file_path).perform | ||
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| # Delete the file after upload | ||
| File.delete(file_path) rescue nil | ||
| url | ||
| end | ||
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| def export_empty_file | ||
| end | ||
| end |
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