58 lines
2.0 KiB
Ruby
58 lines
2.0 KiB
Ruby
# frozen_string_literal: true
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#
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# Copyright (C) 2011 - present Instructure, Inc.
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#
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# This file is part of Canvas.
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#
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# Canvas is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, version 3 of the License.
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#
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# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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class Thumbnail < ActiveRecord::Base
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belongs_to :attachment, foreign_key: "parent_id"
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# the ":keep_profile => true" part is in here so that we tell mini_magic to not try to pass the command line option -strip.
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# this is because on the servers we are actually using graphics_magic not image_magic's mogrify and graphics_magick doesn't
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# support -strip. you'd get something like:
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# MiniMagick::Error (Command ("mogrify -strip -resize \"200x50\" \"/tmp/mini_magick23816-1\"") failed: {:status_code=>1, :output=>"mogrify: Unrecognized option (-strip).\n"}):#012
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has_attachment(
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content_type: :image,
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storage: (Attachment.local_storage? ? :file_system : :s3),
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path_prefix: Attachment.file_store_config["path_prefix"],
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s3_access: "private",
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keep_profile: true,
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thumbnail_max_image_size_pixels: Setting.get("thumbnail_max_image_size_pixels", 100_000_000).to_i
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)
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before_save :set_namespace
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def set_namespace
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self.namespace = attachment.namespace
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end
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def local_storage_path
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"#{HostUrl.context_host(attachment.context)}/images/thumbnails/show/#{id}/#{uuid}"
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end
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delegate :bucket, to: :attachment
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def cached_s3_url
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@cached_s3_url = authenticated_s3_url(expires_in: 144.hours)
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end
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before_save :assign_uuid
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def assign_uuid
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self.uuid ||= CanvasSlug.generate_securish_uuid
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end
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protected :assign_uuid
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end
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