Class: VenusMediaLibrary::ImagesController

Inherits:
ApplicationController show all
Includes:
ImagesHelper
Defined in:
app/controllers/venus_media_library/images_controller.rb

Overview

Lists and uploads images backed by Active Storage. Storage-agnostic: it uses whatever service the host app configures (Disk in dev, S3 in prod, ...).

Constant Summary collapse

MAX_PER_PAGE = 
100

Instance Method Summary collapse

Methods included from ImagesHelper

#ml_blob_url, #ml_image_payload, #ml_thumb_url

Instance Method Details

#create ⇒ Object

POST /images Accepts an uploaded file and stores it via Active Storage.



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# File 'app/controllers/venus_media_library/images_controller.rb', line 33

def create
  uploaded = params[:file] || params.dig(:image, :file)

  if uploaded.blank?
    return respond_error("No file was uploaded.", :unprocessable_entity)
  end

  unless allowed_content_type?(uploaded.content_type)
    return respond_error("Content type #{uploaded.content_type} is not allowed.", :unprocessable_entity)
  end

  blob = ActiveStorage::Blob.create_and_upload!(
    io:           uploaded.tempfile,
    filename:     uploaded.original_filename,
    content_type: uploaded.content_type,
    service_name: VenusMediaLibrary.configuration.storage_service
  )
  asset = VenusMediaLibrary::Asset.create!(
    blob: blob, owner: venus_media_library_user,
    community_shared: ActiveModel::Type::Boolean.new.cast(params[:community_shared]) || false
  )

  respond_to do |format|
    format.json { render json: ml_image_payload(asset), status: :created }
    format.html { redirect_to images_path }
  end
rescue ActiveRecord::RecordInvalid
  blob&.purge
  raise
end

#index ⇒ Object

GET /images Lists image blobs, newest first, with simple offset pagination. Responds with an HTML grid or a JSON payload for the picker.



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# File 'app/controllers/venus_media_library/images_controller.rb', line 12

def index
  @page     = [ params.fetch(:page, 1).to_i, 1 ].max
  @per_page = per_page
  offset    = (@page - 1) * @per_page

  scope        = visible_media_assets
  @total_count = scope.count
  @blobs       = scope.order(created_at: :desc).offset(offset).limit(@per_page).to_a
  @has_more    = offset + @blobs.size < @total_count
  @images      = @blobs.map { |asset| ml_image_payload(asset) }

  respond_to do |format|
    format.html # index.html.erb
    format.json do
      render json: { images: @images, page: @page, has_more: @has_more, total: @total_count }
    end
  end
end