1 files changed, 36 insertions, 0 deletions
diff --git a/lib/data_entry.rb b/lib/data_entry.rb
new file mode 100644
index 0000000..9f6e786
--- /dev/null
+++ b/lib/data_entry.rb
@@ -0,0 +1,36 @@
+module OpenTox
+
+  class DataEntry
+    #field :feature_id, type: BSON::ObjectId
+    #field :compound_id, type: BSON::ObjectId
+    # Kludge because csv import removes type information
+    field :feature_id, type: String
+    field :compound_id, type: String
+    field :value
+    field :warnings, type: String
+    field :unit, type: String
+    store_in collection: "data_entries"
+
+    # preferred method for the insertion of data entries
+    # @example DataEntry.find_or_create compound,feature,value
+    # @param compound [OpenTox::Compound]
+    # @param feature [OpenTox::Feature]
+    # @param value
+    def self.find_or_create compound, feature, value
+      self.find_or_create_by(
+        :compound_id => compound.id,
+        :feature_id => feature.id,
+        :value => value
+      )
+    end
+
+    # preferred method for accessing values
+    # @example DataEntry[compound,feature]
+    # @param compound [OpenTox::Compound]
+    # @param feature [OpenTox::Feature]
+    # @return value
+    def self.[](compound,feature)
+      self.where(:compound_id => compound.id.to_s, :feature_id => feature.id.to_s).distinct(:value).first
+    end
+  end
+end