X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/949c388c5ec3bc4f8cc6b3d503c11dcd20e5bbd4..5e592e0e063eb8db81181375f7cafd74683098f5:/apps/workbench/app/models/collection.rb

diff --git a/apps/workbench/app/models/collection.rb b/apps/workbench/app/models/collection.rb
index 6022d82433..ead2c951c3 100644
--- a/apps/workbench/app/models/collection.rb
+++ b/apps/workbench/app/models/collection.rb
@@ -1,33 +1,81 @@
-class Collection < ArvadosBase
-  include ApplicationHelper
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
+require "arvados/keep"
 
+class Collection < ArvadosBase
   MD5_EMPTY = 'd41d8cd98f00b204e9800998ecf8427e'
 
+  def default_name
+    if Collection.is_empty_blob_locator? self.uuid
+      "Empty Collection"
+    else
+      super
+    end
+  end
+
   # Return true if the given string is the locator of a zero-length blob
   def self.is_empty_blob_locator? locator
     !!locator.to_s.match("^#{MD5_EMPTY}(\\+.*)?\$")
   end
 
+  def self.goes_in_projects?
+    true
+  end
+
+  def manifest
+    if @manifest.nil? or manifest_text_changed?
+      @manifest = Keep::Manifest.new(manifest_text || "")
+    end
+    @manifest
+  end
+
+  def files
+    # This method provides backwards compatibility for code that relied on
+    # the old files field in API results.  New code should use manifest
+    # methods directly.
+    manifest.files
+  end
+
   def content_summary
-    human_readable_bytes_html(total_bytes) + " " + super
+    if total_bytes > 0
+      ApplicationController.helpers.human_readable_bytes_html(total_bytes) + " " + super
+    else
+      super + " modified at " + modified_at.to_s
+    end
   end
 
   def total_bytes
-    if files
-      tot = 0
-      files.each do |file|
-        tot += file[2]
-      end
-      tot
-    end
+    manifest.files.inject(0) { |sum, filespec| sum + filespec.last }
   end
 
-  def attribute_editable?(attr)
-    false
+  def files_tree
+    tree = manifest.files.group_by do |file_spec|
+      File.split(file_spec.first)
+    end
+    return [] if tree.empty?
+    # Fill in entries for empty directories.
+    tree.keys.map { |basedir, _| File.split(basedir) }.each do |splitdir|
+      until tree.include?(splitdir)
+        tree[splitdir] = []
+        splitdir = File.split(splitdir.first)
+      end
+    end
+    dir_to_tree = lambda do |dirname|
+      # First list subdirectories, with their files inside.
+      subnodes = tree.keys.select { |bd, td| (bd == dirname) and (td != '.') }
+        .sort.flat_map do |parts|
+        [parts + [nil]] + dir_to_tree.call(File.join(parts))
+      end
+      # Then extend that list with files in this directory, except the empty dir placeholders (0:0:. files).
+      subnodes + tree[File.split(dirname)].reject { |_, basename, size| (basename == '.') and (size == 0) }
+    end
+    dir_to_tree.call('.')
   end
 
-  def self.creatable?
-    false
+  def editable_attributes
+    %w(name description manifest_text filename)
   end
 
   def provenance
@@ -38,4 +86,15 @@ class Collection < ArvadosBase
     arvados_api_client.api "collections/#{self.uuid}/", "used_by"
   end
 
+  def friendly_link_name lookup=nil
+    name || portable_data_hash
+  end
+
+  def textile_attributes
+    [ 'description' ]
+  end
+
+  def untrash
+    arvados_api_client.api(self.class, "/#{self.uuid}/untrash", {"ensure_unique_name" => true})
+  end
 end