Set planting.finished as a boolean

app/resources/api/v1/planting_resource.rb

@@ -30,7 +30,7 @@ module Api
       filter :planted_from
       filter :garden
       filter :owner
-      filter :finished, default: nil
+      filter :finished
 
       attribute :percentage_grown
       def percentage_grown

db/migrate/20190317023129_finished_boolean.rb

@@ -0,0 +1,8 @@
+class FinishedBoolean < ActiveRecord::Migration[5.2]
+  def change
+    Planting.where('finished_at < now()').update_all(finished: true)
+    Planting.where(finished: nil).update_all(finished: false)
+    change_column_null :plantings, :finished, false
+    change_column_default :plantings, :finished, from: nil, to: false
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2019_01_30_090437) do
+ActiveRecord::Schema.define(version: 2019_03_17_023129) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -385,7 +385,7 @@ ActiveRecord::Schema.define(version: 2019_01_30_090437) do
     t.string "sunniness"
     t.string "planted_from"
     t.integer "owner_id"
-    t.boolean "finished", default: false
+    t.boolean "finished", default: false, null: false
     t.date "finished_at"
     t.integer "lifespan"
     t.integer "days_to_first_harvest"