78 lines
3.0 KiB
Ruby
78 lines
3.0 KiB
Ruby
#
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# Copyright (C) 2012 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 the
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# 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
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# FOR 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
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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module AttachmentHelper
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# returns a string of html attributes suitable for use with $.loadDocPreview
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def doc_preview_attributes(attachment, attrs={})
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if attachment.crocodoc_available?
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begin
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crocodoc = attachment.crocodoc_document
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session_url = crocodoc.session_url(:user => @current_user)
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attrs[:crocodoc_session_url] = session_url
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rescue => e
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ErrorReport.log_exception('crocodoc', e)
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end
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elsif attachment.canvadocable?
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blob = {
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user_id: @current_user.global_id,
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attachment_id: attachment.global_id,
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}.to_json
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hmac = Canvas::Security.hmac_sha1(blob)
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attrs[:canvadoc_session_url] = canvadoc_session_path(blob: blob, hmac: hmac)
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elsif attachment.scribdable? && scribd_doc = attachment.scribd_doc
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begin
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attrs[:scribd_doc_id] = scribd_doc.doc_id
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attrs[:scribd_access_key] = scribd_doc.access_key
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attrs[:public_url] = attachment.authenticated_s3_url
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rescue => e
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ErrorReport.log_exception('scribd', e)
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end
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end
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attrs[:attachment_id] = attachment.id
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attrs[:mimetype] = attachment.mimetype
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context_name = url_helper_context_from_object(attachment.context)
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url_helper = "#{context_name}_file_inline_view_url"
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if self.respond_to?(url_helper)
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attrs[:attachment_view_inline_ping_url] = self.send(url_helper, attachment.context, attachment.id)
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end
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if attachment.pending_upload? || attachment.processing?
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attrs[:attachment_preview_processing] = true
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end
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if attachment.scribd_doc_missing?
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url_helper = "#{context_name}_file_scribd_render_url"
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if self.respond_to?(url_helper)
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attrs[:attachment_scribd_render_url] = self.send(url_helper, attachment.context, attachment.id)
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end
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end
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attrs.inject("") { |s,(attr,val)| s << "data-#{attr}=#{val} " }
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end
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def media_preview_attributes(attachment, attrs={})
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attrs[:type] = attachment.content_type.match(/video/) ? 'video' : 'audio'
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attrs[:download_url] = context_url(attachment.context, :context_file_download_url, attachment.id)
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attrs.inject("") { |s,(attr,val)| s << "data-#{attr}=#{val} " }
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end
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def doc_preview_json(attachment, user)
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{
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canvadoc_session_url: attachment.canvadoc_url(@current_user),
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crocodoc_session_url: attachment.crocodoc_url(@current_user),
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}
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end
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end
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