All the little details

app/models/employee_shift.rb

@@ -2,8 +2,19 @@ class EmployeeShift
   include SimplyStored::Couch
   include ActiveModel::SerializerSupport
 
-  property :start_on, type: Time
-  property :end_on, type: Time
+  property :start_from
+  property :end_on
+  property :description
   belongs_to :supplier
   belongs_to :employee
+
+  view :relevants_view, type: :custom, map_function: %|function(doc){
+    if(doc.ruby_class == 'EmployeeShift' && doc.start_from && doc.end_on){
+      emit([doc.supplier_id, doc.end_on], 1)
+    }
+  }|, reduce_function: '_sum'
+
+  def self.for_supplier(supplier, relevant_from: 1.week.ago)
+    database.view relevants_view(startkey: [supplier.id, relevant_from], endkey: [supplier.id, {}], reduce: false, include_docs: true)
+  end
 end