Add tootctl emoji misskey-export

Gemfile

@@ -95,6 +95,7 @@ gem 'tzinfo-data', '~> 1.2021'
 gem 'webpacker', '~> 5.4'
 gem 'webpush', '~> 0.3'
 gem 'webauthn', '~> 3.0.0.alpha1'
+gem 'rubyzip'
 
 gem 'json-ld'
 gem 'json-ld-preloaded', '~> 3.1'

Gemfile.lock

@@ -579,6 +579,7 @@ GEM
     ruby-saml (1.11.0)
       nokogiri (>= 1.5.10)
     ruby2_keywords (0.0.5)
+    rubyzip (2.3.2)
     rufus-scheduler (3.7.0)
       fugit (~> 1.1, >= 1.1.6)
     safety_net_attestation (0.4.0)
@@ -808,6 +809,7 @@ DEPENDENCIES
   rubocop (~> 1.18)
   rubocop-rails (~> 2.11)
   ruby-progressbar (~> 1.11)
+  rubyzip
   sanitize (~> 6.0)
   scenic (~> 1.5)
   sidekiq (~> 6.2)

app/serializers/misskey/custom_emoji_serializer.rb

@@ -0,0 +1,69 @@
+# frozen_string_literal: true
+
+class Misskey::CustomEmojiSerializer < ActiveModel::Serializer
+  attributes :fileName, :downloaded
+  has_one :emoji
+
+  def fileName
+    "#{object.shortcode}#{File.extname(object.image_file_name)}"
+  end
+
+  def downloaded
+    true
+  end
+
+  def emoji
+    object
+  end
+
+  class CustomEmojiSerializer < ActiveModel::Serializer
+    include RoutingHelper
+
+    attributes :id, :updateAt, :name, :host, :originalUrl, :publicUrl, :uri, :type, :aliases
+    attribute :category, if: :category_loaded?
+
+    def id
+      object.id.to_s
+    end
+
+    def updateAt
+      object.updated_at.iso8601
+    end
+
+    def name
+      object.shortcode
+    end
+
+    def host
+      object.domain
+    end
+
+    def category
+      object.category.name
+    end
+
+    def category_loaded?
+      object.association(:category).loaded? && object.category.present?
+    end
+
+    def originalUrl
+      full_asset_url(object.image.url)
+    end
+
+    def publicUrl
+      full_asset_url(object.image.url)
+    end
+
+    def uri
+      ActivityPub::TagManager.instance.uri_for(object)
+    end
+
+    def type
+      object.image_content_type
+    end
+
+    def aliases
+      ['']
+    end
+  end
+end

app/serializers/misskey/meta_serializer.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+class Misskey::MetaSerializer < ActiveModel::Serializer
+  attributes :metaVersion, :host, :exportedAt
+  has_many :emojis, serializer: Misskey::CustomEmojiSerializer
+
+  def metaVersion
+    2
+  end
+
+  def host
+    Rails.configuration.x.local_domain
+  end
+
+  def exportedAt
+    Time.now.iso8601
+  end
+
+  def emojis
+    object
+  end
+end

lib/mastodon/emoji_cli.rb

@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 require 'rubygems/package'
+require 'zip'
 require_relative '../../config/boot'
 require_relative '../../config/environment'
 require_relative 'cli_helper'
@@ -121,6 +122,46 @@ module Mastodon
       say("Exported #{exported}")
     end
 
+    option :category
+    option :overwrite, type: :boolean
+    desc 'misskey-export PATH', 'Misskey export emoji to a ZIP archive at PATH'
+    long_desc <<-LONG_DESC
+      Exports custom emoji to 'export.zip' at PATH.
+
+      The --category option dumps only the specified category.
+      If this option is not specified, all emoji will be exported.
+
+      The --overwrite option will overwrite an existing archive.
+    LONG_DESC
+    def misskey_export(path)
+      exported         = 0
+      category         = CustomEmojiCategory.find_by(name: options[:category])
+      export_file_name = File.join(path, 'export.zip')
+
+      if File.file?(export_file_name) && !options[:overwrite]
+        say("Archive already exists! Use '--overwrite' to overwrite it!")
+        exit 1
+      end
+      if category.nil? && options[:category]
+        say("Unable to find category '#{options[:category]}'!")
+        exit 1
+      end
+
+      Zip::OutputStream.open(export_file_name) do |zos|
+        scope = !options[:category] || category.nil? ? CustomEmoji.local : category.emojis
+        scope.find_each do |emoji|
+          say("Adding '#{emoji.shortcode}'...")
+          zos.put_next_entry(emoji.shortcode + File.extname(emoji.image_file_name))
+          zos.write Paperclip.io_adapters.for(emoji.image).read
+          exported += 1
+        end
+        say("Adding 'meta.json'...")
+        zos.put_next_entry('meta.json')
+        zos.write Oj.dump(Misskey::MetaSerializer.new(scope))
+      end
+      say("Exported #{exported}")
+    end
+
     option :remote_only, type: :boolean
     desc 'purge', 'Remove all custom emoji'
     long_desc <<-LONG_DESC