Add JSON exporter for user profile download

Changelog.md

@@ -124,6 +124,8 @@ This is disabled by default since it requires the installation of additional pac
 * Truncate too long OpenGraph descriptions [#5387](https://github.com/diaspora/diaspora/pull/5387)
 * Make the source code URL configurable [#5410](https://github.com/diaspora/diaspora/pull/5410)
 * Prefill publisher on the tag pages [#5442](https://github.com/diaspora/diaspora/pull/5442)
+* Allows users to export their data in JSON format from their user settings page [#5354](https://github.com/diaspora/diaspora/pull/5354)
+
 
 # 0.4.1.2
 

Gemfile

@@ -162,6 +162,8 @@ gem 'zip-zip'
 # https://github.com/discourse/discourse/pull/238
 gem 'minitest'
 
+# Serializers
+gem 'active_model_serializers'
 
 # Windows and OSX have an execjs compatible runtime built-in, Linux users should
 # install Node.js or use 'therubyracer'.

Gemfile.lock

@@ -22,6 +22,8 @@ GEM
       erubis (~> 2.7.0)
     activemodel (4.1.8)
       activesupport (= 4.1.8)
+    active_model_serializers (0.9.0)
+      activemodel (>= 3.2)
       builder (~> 3.1)
     activerecord (4.1.8)
       activemodel (= 4.1.8)
@@ -606,6 +608,7 @@ DEPENDENCIES
   actionpack-action_caching
   actionpack-page_caching
   activerecord-import (= 0.6.0)
+  active_model_serializers
   acts-as-taggable-on (= 3.4.2)
   acts_as_api (= 0.4.2)
   addressable (= 2.3.6)

app/controllers/application_controller.rb

@@ -28,6 +28,10 @@ class ApplicationController < ActionController::Base
 
   private
 
+  def default_serializer_options
+    {root: false}
+  end
+
   def ensure_http_referer_is_set
     request.env['HTTP_REFERER'] ||= '/'
   end

app/controllers/users_controller.rb

@@ -136,8 +136,11 @@ def getting_started_completed
   end
 
   def export
-    exporter = Diaspora::Exporter.new(Diaspora::Exporters::XML)
-    send_data exporter.execute(current_user), :filename => "#{current_user.username}_diaspora_data.xml", :type => :xml
+    if export = Diaspora::Exporter.new(current_user).execute
+      send_data export, filename: "#{current_user.username}_diaspora_data.json", type: :json
+    else
+      head :not_acceptable
+    end
   end
 
   def export_photos

app/models/user.rb

@@ -37,6 +37,8 @@ class User < ActiveRecord::Base
   serialize :hidden_shareables, Hash
 
   has_one :person, :foreign_key => :owner_id
+  has_one :profile, through: :person
+
   delegate :guid, :public_key, :posts, :photos, :owns?, :image_url,
            :diaspora_handle, :name, :public_url, :profile, :url,
            :first_name, :last_name, :gender, :participations, to: :person

app/serializers/export/aspect_serializer.rb

@@ -0,0 +1,7 @@
+module Export
+  class AspectSerializer < ActiveModel::Serializer
+    attributes :name,
+               :contacts_visible,
+               :chat_enabled
+  end
+end

app/serializers/export/contact_serializer.rb

@@ -0,0 +1,12 @@
+module Export
+  class ContactSerializer < ActiveModel::Serializer
+    attributes :sharing,
+               :receiving,
+               :person_guid,
+               :person_name,
+               :person_first_name,
+               :person_diaspora_handle
+
+    has_many :aspects, each_serializer: Export::AspectSerializer
+  end
+end

app/serializers/export/profile_serializer.rb

@@ -0,0 +1,14 @@
+module Export
+  class ProfileSerializer < ActiveModel::Serializer
+    attributes :first_name,
+               :last_name,
+               :gender,
+               :bio,
+               :birthday,
+               :location,
+               :image_url,
+               :diaspora_handle,
+               :searchable,
+               :nsfw
+  end
+end

app/serializers/export/user_serializer.rb

@@ -0,0 +1,16 @@
+module Export
+  class UserSerializer < ActiveModel::Serializer
+    attributes :name,
+               :email,
+               :language,
+               :username,
+               :disable_mail,
+               :show_community_spotlight_in_stream,
+               :auto_follow_back,
+               :auto_follow_back_aspect
+    has_one    :profile,  serializer:      Export::ProfileSerializer
+    has_many   :aspects,  each_serializer: Export::AspectSerializer
+    has_many   :contacts, each_serializer: Export::ContactSerializer
+
+  end
+end

app/views/users/edit.html.haml

@@ -180,7 +180,8 @@
         #account_data.span6
           %h3 
             = t('.export_data')
-          = link_to t('.download_xml'), export_user_path, :class => "button"
+          .small-horizontal-spacer          
+          = link_to t('.download_profile'), export_user_path(format: :json), :class => "button"
           .small-horizontal-spacer
           = link_to t('.download_photos'), "#", :class => "button", :id => "photo-export-button", :title => t('.photo_export_unavailable')
 

config/locales/diaspora/en.yml

@@ -1266,7 +1266,7 @@ en:
       current_password: "Current password"
       current_password_expl: "the one you sign in with..."
       character_minimum_expl: "must be at least six characters"
-      download_xml: "download my xml"
+      download_profile: "download my profile"
       download_photos: "download my photos"
       your_handle: "Your diaspora* ID"
       your_email: "Your email"

config/routes.rb

@@ -101,7 +101,7 @@
 
   resource :user, :only => [:edit, :update, :destroy], :shallow => true do
     get :getting_started_completed
-    get :export
+    get :export, format: :json
     get :export_photos
   end
 

lib/account_deleter.rb

@@ -50,7 +50,7 @@ def normal_ar_user_associates_to_delete
   end
 
   def special_ar_user_associations
-    [:invitations_from_me, :person, :contacts, :auto_follow_back_aspect]
+    [:invitations_from_me, :person, :profile, :contacts, :auto_follow_back_aspect]
   end
 
   def ignored_ar_user_associations

lib/diaspora/exporter.rb

@@ -5,87 +5,23 @@
 module Diaspora
 
   class Exporter
-    def initialize(strategy)
-      self.class.send(:include, strategy)
-    end
-  end
-
-  module Exporters
-    module XML
-      def execute(user)
-        builder = Nokogiri::XML::Builder.new do |xml|
-          user_person_id = user.person_id
-          xml.export {
-            xml.user {
-              xml.username user.username
-              xml.serialized_private_key user.serialized_private_key
-
-              xml.parent << user.person.to_xml
-            }
-
-
-
-            xml.aspects {
-              user.aspects.each do |aspect|
-                xml.aspect {
-                  xml.name aspect.name
 
-#                  xml.person_ids {
-                    #aspect.person_ids.each do |id|
-                      #xml.person_id id
-                    #end
-                  #}
+    SERIALIZED_VERSION = '1.0'
 
-                  xml.post_ids {
-                    aspect.posts.where(author_id: user_person_id).each do |post|
-                      xml.post_id post.id
-                    end
-                  }
-                }
-              end
-            }
-
-            xml.contacts {
-              user.contacts.each do |contact|
-              xml.contact {
-                xml.user_id contact.user_id
-                xml.person_id contact.person_id
-                xml.person_guid contact.person_guid
-
-                xml.aspects {
-                  contact.aspects.each do |aspect|
-                    xml.aspect {
-                      xml.name aspect.name
-                    }
-                  end
-                }
-              }
-              end
-            }
-
-            xml.posts {
-              user.visible_shareables(Post).where(author_id: user_person_id).each do |post|
-                #post.comments.each do |comment|
-                #  post_doc << comment.to_xml
-                #end
-
-                xml.parent << post.to_xml
-              end
-            }
+    def initialize(user)
+      @user = user
+    end
 
-            xml.people {
-              user.contacts.each do |contact|
-                person = contact.person
-                xml.parent << person.to_xml
+    def execute
+      @export ||= JSON.generate serialized_user.merge(version: SERIALIZED_VERSION)
+    end
 
-              end
-            }
-          }
-        end
+    private
 
-        builder.to_xml.to_s
-      end
+    def serialized_user
+      @serialized_user ||= Export::UserSerializer.new(@user).as_json
     end
+
   end
 
 end

spec/controllers/users_controller_spec.rb

@@ -12,9 +12,9 @@
   end
 
   describe '#export' do
-    it 'returns an xml file'  do
-      get :export
-      expect(response.header["Content-Type"]).to include "application/xml"
+    it 'can return a json file' do
+      get :export, format: :json
+      expect(response.header["Content-Type"]).to include "application/json"
     end
   end
 

spec/lib/account_deleter_spec.rb

@@ -43,6 +43,21 @@
       end
     end
 
+    context "profile deletion" do
+      before do
+        @profile_deletion = AccountDeleter.new(remote_raphael.diaspora_handle)
+        @profile = remote_raphael.profile
+      end
+
+      it "nulls out fields in the profile" do
+        @profile_deletion.perform!
+        expect(@profile.reload.first_name).to be_blank
+        expect(@profile.reload.last_name).to be_blank
+        expect(@profile.reload.searchable).to be_falsey
+      end
+
+    end
+
     context "person deletion" do
       before do
         @person_deletion = AccountDeleter.new(remote_raphael.diaspora_handle)