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April 15, 2014 16:46
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| #app/controllers/v1/api_controller.rb | |
| class Api::V1::ApiController < ApplicationController | |
| respond_to :json | |
| skip_before_filter :verify_authenticity_token | |
| before_filter :authorize_device | |
| def start_sync | |
| render json: { last_synced_at: @device.last_synced_at.to_i } | |
| end | |
| def stop_sync | |
| @device.update_attributes(last_synced_at: DateTime.now - 1.minute) | |
| render nothing: true, status: 200, content_type: 'text/html' | |
| end | |
| private | |
| def authorize_device | |
| @user = User.where(token: request.headers['api-user-token']).first | |
| if @user | |
| @device = Device.where(user_id: @user.id, external_id: request.headers['api-device-id'] ) | |
| .first_or_create(name: request.headers['api-device-name'], last_synced_at: DateTime.new(2012, 7, 1) ) | |
| end | |
| head :forbidden unless @user && @device | |
| end | |
| end | |
| #app/controllers/v1/api_controller.rb | |
| class Api::V1::BooksController < Api::V1::ApiController | |
| respond_to :json, :html | |
| def create | |
| if params['book'] and params['book']['epub'] | |
| params['epub'] = params['book']['epub'] | |
| end | |
| book_params = BookParamsNormalizer.normalize_params(params, @user) | |
| # params[:book][:metadata_extracted_flag] = true | |
| if BookProcessor.process_with_params(book_params, @user) | |
| render json: { status: "success" } | |
| else | |
| render json: { status: "fail" } | |
| end | |
| end | |
| def bulk_update | |
| @books = BookUpdater.update_and_return_updatable_books(params[:books].to_a, @user, @device) | |
| end | |
| def bulk_delete | |
| BookDeleter.mark_as_deleted( @user, params[:books].to_a ) | |
| @books = @user.books.added_or_deleted_since( @device.last_synced_at ) | |
| end | |
| end | |
| # app/services/book_updater.rb | |
| class BookUpdater | |
| attr_accessor :books_data, :user, :device | |
| class << self | |
| def update_and_return_updatable_books(books_data, user, device) | |
| new(books_data, user, device).update_and_return_updatable_books | |
| end | |
| end | |
| def initialize(books_data, user, device) | |
| self.books_data = books_data | |
| self.user = user | |
| self.device = device | |
| end | |
| def update_and_return_updatable_books | |
| updated_books = books_data.inject([ '0' ]) do |updated_book_ids, book| | |
| book_for_update = user.books.first_changed_by_updated_at(book["id"], Time.at(book["last_read_at"].to_i) ) | |
| if book_for_update | |
| book_for_update.update_attributes( BookParamsNormalizer.normalize_params(book, @user) ) | |
| updated_book_ids << book["id"] | |
| end | |
| updated_book_ids | |
| end | |
| user.books.changed_and_added_since( device.last_synced_at ).where( "book_hash NOT IN ( ? )", updated_books ) | |
| end | |
| end | |
| # app/services/book_params_normalizer.rb | |
| class BookParamsNormalizer | |
| attr_accessor :params | |
| FIELD_MAPPING = { | |
| 'addedts' => { name: 'added_at', converter: lambda {|value| Time.at(value.to_i) } }, | |
| 'started' => { name: 'started_at', converter: lambda {|value| Time.at(value.to_i) } }, | |
| 'last_read_at' => { name: 'last_read_at', converter: lambda {|value| Time.at(value.to_i) } }, | |
| 'deleted_at' => { name: 'deleted_at', converter: lambda {|value| Time.at(value.to_i) } }, | |
| #settings ######### | |
| 'normalbookfontsize' => { name: 'normal_book_font_size', converter: lambda {|value| value.to_f } }, | |
| 'speedbookfontsize' => { name: 'speed_book_font_size', converter: lambda {|value| value.to_f } }, | |
| 'speedbookwpm' => { name: 'speed_book_wpm', converter: lambda {|value| value.to_i } }, | |
| 'speedbookwpl' => { name: 'speed_book_wpl', converter: lambda {|value| value.to_i } }, | |
| 'speedbooklines' => { name: 'speed_book_lines', converter: lambda {|value| value.to_i } }, | |
| 'normalbookfontname' => { name: 'normal_book_font_name' }, | |
| 'speedbookfontname' => { name: 'speed_book_font_name' }, | |
| ################### | |
| 'id' => { name: 'book_hash' }, | |
| 'readingstatus' => { name: 'reading_status' }, | |
| 'type' => { name: 'publication_type' } | |
| # 'stats_reading_speed' => { name: 'speed_reading_speed', converter: lambda {|value| value.to_i } }, | |
| } | |
| BOOK_SETTINGS = [ | |
| 'normal_book_font_size', | |
| 'speed_book_font_size', | |
| 'speed_book_wpm', | |
| 'speed_book_wpl', | |
| 'speed_book_lines', | |
| 'normal_book_font_name', | |
| 'speed_book_font_name' | |
| ] | |
| class << self | |
| def normalize_params(params, current_user=nil) | |
| new(params, current_user).normalize_params | |
| end | |
| end | |
| def initialize(raw_params, current_user) | |
| self.params = raw_params | |
| self.params['user_id'] = current_user.id | |
| end | |
| def normalize_params | |
| normalized_params = params.inject({}) do |memo, ( key, value )| | |
| mapping = FIELD_MAPPING[key.to_s] | |
| if mapping | |
| memo[mapping[:name]] = mapping[:converter].try(:call, value) || value | |
| elsif new_book.respond_to? key | |
| memo[key] = value | |
| end | |
| memo | |
| end | |
| normalized_params['settings'] = BOOK_SETTINGS.inject({}) {|memo, setting| memo[setting] = normalized_params.delete(setting); memo }.to_json | |
| normalized_params | |
| end | |
| def new_book | |
| @new_book ||= Book.new | |
| end | |
| end |
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