Add a rake task to import large files from Google Takeout

CHANGELOG.md

@@ -13,6 +13,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Sidekiq web interface to monitor background jobs is now available at `/sidekiq`
 - Now you can choose a date range of points to be exported
 
+---
+
+## [0.2.6] — 2024-05-23
+
 ### Fixed
 
 - Stop selecting `raw_data` column during requests to `imports` and `points` tables to improve performance.
@@ -21,6 +25,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Rename PointsController to MapController along with all the views and routes
 
+### Added
+
+- Add Points page to display all the points as a table with pagination to allow users to delete points
+
 ---
 
 ## [0.2.5] — 2024-05-21

app/jobs/import_google_takeout_job.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class ImportGoogleTakeoutJob < ApplicationJob
+  queue_as :imports
+
+  def perform(import_id, json_string)
+    import = Import.find(import_id)
+
+    json = Oj.load(json_string)
+
+    GoogleMaps::RecordsParser.new(import).call(json)
+  end
+end

app/services/google_maps/records_parser.rb

@@ -1,5 +1,6 @@
 # frozen_string_literal: true
 
+require 'redis_client'
 class GoogleMaps::RecordsParser
   attr_reader :import
 
@@ -7,43 +8,28 @@ class GoogleMaps::RecordsParser
     @import = import
   end
 
-  def call
+  def call(json)
-    points_data = parse_json
+    data = parse_json(json)
-
-    points = 0
-
-    points_data.each do |point_data|
-      next if Point.exists?(timestamp: point_data[:timestamp])
 
     Point.create(
-        latitude: point_data[:latitude],
+      latitude: data[:latitude],
-        longitude: point_data[:longitude],
+      longitude: data[:longitude],
-        timestamp: point_data[:timestamp],
+      timestamp: data[:timestamp],
-        raw_data: point_data[:raw_data],
+      raw_data: data[:raw_data],
       topic: 'Google Maps Timeline Export',
       tracker_id: 'google-maps-timeline-export',
       import_id: import.id
     )
-
-      points += 1
-    end
-
-    doubles = points_data.size - points
-    processed = points + doubles
-
-    { raw_points: points_data.size, points:, doubles:, processed: }
   end
 
   private
 
-  def parse_json
+  def parse_json(json)
-    import.raw_data['locations'].map do |record|
     {
-        latitude: record['latitudeE7'].to_f / 10**7,
+      latitude: json['latitudeE7'].to_f / 10**7,
-        longitude: record['longitudeE7'].to_f / 10**7,
+      longitude: json['longitudeE7'].to_f / 10**7,
-        timestamp: DateTime.parse(record['timestamp']).to_i,
+      timestamp: DateTime.parse(json['timestamp']).to_i,
-        raw_data: record
+      raw_data: json
     }
-    end.reject(&:blank?)
   end
 end

app/services/google_maps/semantic_history_parser.rb

@@ -31,7 +31,7 @@ class GoogleMaps::SemanticHistoryParser
     doubles = points_data.size - points
     processed = points + doubles
 
-    { raw_points: points_data.size, points: points, doubles: doubles, processed: processed }
+    { raw_points: points_data.size, points:, doubles:, processed: }
   end
 
   private

app/services/stream_handler.rb

@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+require 'oj'
+
+class StreamHandler < Oj::ScHandler
+  attr_reader :import_id
+
+  def initialize(import_id)
+    @import_id = import_id
+    @buffer = {}
+  end
+
+  def hash_start
+    {}
+  end
+
+  def hash_end
+    ImportGoogleTakeoutJob.perform_later(import_id, @buffer.to_json)
+
+    @buffer = {}
+  end
+
+  def hash_set(_buffer, key, value)
+    @buffer[key] = value
+  end
+end

app/views/imports/_form.html.erb

@@ -15,7 +15,7 @@
     <div class="label">
       <span class="label-text">Select source</span>
     </div>
-    <%= form.collection_radio_buttons :source, Import.sources, :first, :first  %>
+    <%= form.collection_radio_buttons :source, Import.sources.except('google_records'), :first, :first  %>
   </label>
 
   <label class="form-control w-full max-w-xs my-5">

app/views/imports/new.html.erb

@@ -1,6 +1,11 @@
 <div class="mx-auto md:w-2/3 w-full">
   <h1 class="font-bold text-4xl">New import</h1>
 
+  <div role="alert" class="alert alert-info my-5">
+    <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" class="stroke-current shrink-0 w-6 h-6"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"></path></svg>
+    <span>To import <code>Records.json</code> file from your Google Takeout Archive, use rake task</span>
+  </div>
+
   <%= render "form", import: @import %>
 
   <%= link_to "Back to imports", imports_path, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>

app/views/points/_form.html.erb

@@ -1,17 +0,0 @@
-<%= form_with(model: point, class: "contents") do |form| %>
-  <% if point.errors.any? %>
-    <div id="error_explanation" class="bg-red-50 text-red-500 px-3 py-2 font-medium rounded-lg mt-3">
-      <h2><%= pluralize(point.errors.count, "error") %> prohibited this point from being saved:</h2>
-
-      <ul>
-        <% point.errors.each do |error| %>
-          <li><%= error.full_message %></li>
-        <% end %>
-      </ul>
-    </div>
-  <% end %>
-
-  <div class="inline">
-    <%= form.submit class: "rounded-lg py-3 px-5 bg-blue-600 text-white inline-block font-medium cursor-pointer" %>
-  </div>
-<% end %>

app/views/points/edit.html.erb

@@ -1,8 +0,0 @@
-<div class="mx-auto md:w-2/3 w-full">
-  <h1 class="font-bold text-4xl">Editing point</h1>
-
-  <%= render "form", point: @point %>
-
-  <%= link_to "Show this point", @point, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
-  <%= link_to "Back to points", points_path, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
-</div>

app/views/points/new.html.erb

@@ -1,7 +0,0 @@
-<div class="mx-auto md:w-2/3 w-full">
-  <h1 class="font-bold text-4xl">New point</h1>
-
-  <%= render "form", point: @point %>
-
-  <%= link_to "Back to points", points_path, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
-</div>

app/views/points/show.html.erb

@@ -1,15 +0,0 @@
-<div class="mx-auto md:w-2/3 w-full flex">
-  <div class="mx-auto">
-    <% if notice.present? %>
-      <p class="py-2 px-3 bg-green-50 mb-5 text-green-500 font-medium rounded-lg inline-block" id="notice"><%= notice %></p>
-    <% end %>
-
-    <%= render @point %>
-
-    <%= link_to "Edit this point", edit_point_path(@point), class: "mt-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
-    <%= link_to "Back to points", points_path, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
-    <div class="inline-block ml-2">
-      <%= button_to "Destroy this point", @point, method: :delete, class: "mt-2 rounded-lg py-3 px-5 bg-gray-100 font-medium" %>
-    </div>
-  </div>
-</div>

config/initializers/reddis.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+module Reddis
+  def self.client
+    @client ||= Redis.new(url: ENV['REDIS_URL'])
+  end
+end

lib/tasks/import.rake

@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+# Usage: rake import:big_file['/path/to/file.json','user@email.com']
+
+namespace :import do
+  desc 'Accepts a file path and user email and imports the data into the database'
+
+  task :big_file, %i[file_path user_email] => :environment do |_, args|
+    user = User.find_by(email: args[:user_email])
+
+    raise 'User not found' unless user
+
+    import = user.imports.create(name: args[:file_path], source: :google_records)
+
+    handler = StreamHandler.new(import.id)
+
+    pp "Importing #{args[:file_path]} for #{user.email}, file size is #{File.size(args[:file_path])}... This might take a while, have patience!"
+
+    File.open(args[:file_path], 'r') do |content|
+      Oj.sc_parse(handler, content)
+    end
+
+    pp "Imported #{args[:file_path]} for #{user.email} successfully!"
+  end
+end

spec/jobs/import_job_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ImportJob, type: :job do

spec/requests/export_spec.rb

@@ -13,6 +13,7 @@ RSpec.describe 'Exports', type: :request do
 
     it 'returns http success' do
       get '/export'
+
       expect(response).to have_http_status(:success)
     end
   end

swagger/v1/swagger.yaml

@@ -172,7 +172,7 @@ paths:
                   lat: 52.502397
                   lon: 13.356718
                   tid: Swagger
-                  tst: 1716487940
+                  tst: 1716488929
 servers:
 - url: http://{defaultHost}
   variables: