10 files changed, 43 insertions, 0 deletions

diff --git a/app/models/application_record.rb b/app/models/application_record.rb
new file mode 100644
index 0000000..b63caeb
--- /dev/null
+++ b/app/models/application_record.rb
@@ -0,0 +1,3 @@
+class ApplicationRecord < ActiveRecord::Base
+  primary_abstract_class
+end
diff --git a/app/models/bed.rb b/app/models/bed.rb
new file mode 100644
index 0000000..33eafd2
--- /dev/null
+++ b/app/models/bed.rb
@@ -0,0 +1,4 @@
+class Bed < ApplicationRecord
+  has_many :rafts, -> { order(:location) }, dependent: :destroy
+  validates :location, presence: true, uniqueness: true
+end
diff --git a/app/models/concerns/.keep b/app/models/concerns/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/app/models/concerns/.keep
diff --git a/app/models/crop.rb b/app/models/crop.rb
new file mode 100644
index 0000000..b0f168d
--- /dev/null
+++ b/app/models/crop.rb
@@ -0,0 +1,4 @@
+class Crop < ApplicationRecord
+  has_many :rafts
+  enum :crop_type, { leafy: 0, fruit: 1, herb: 2 }
+end
diff --git a/app/models/fertilizer_component.rb b/app/models/fertilizer_component.rb
new file mode 100644
index 0000000..701ae9b
--- /dev/null
+++ b/app/models/fertilizer_component.rb
@@ -0,0 +1,3 @@
+class FertilizerComponent < ApplicationRecord
+  validates :name, presence: true
+end
diff --git a/app/models/fertilizer_composition.rb b/app/models/fertilizer_composition.rb
new file mode 100644
index 0000000..cf2bb93
--- /dev/null
+++ b/app/models/fertilizer_composition.rb
@@ -0,0 +1,6 @@
+class FertilizerComposition < ApplicationRecord
+  belongs_to :fertilizer_product
+  belongs_to :fertilizer_component
+
+  validates :percent_w, numericality: { greater_than: 0, less_than_or_equal_to: 100 }
+end
diff --git a/app/models/fertilizer_product.rb b/app/models/fertilizer_product.rb
new file mode 100644
index 0000000..e41316b
--- /dev/null
+++ b/app/models/fertilizer_product.rb
@@ -0,0 +1,7 @@
+class FertilizerProduct < ApplicationRecord
+  has_many :fertilizer_compositions, dependent: :destroy
+  has_many :fertilizer_components, through: :fertilizer_compositions
+
+  validates :name, presence: true, uniqueness: true
+  validates :purity, numericality: { greater_than: 0, less_than_or_equal_to: 100 }
+end
diff --git a/app/models/nutrient.rb b/app/models/nutrient.rb
new file mode 100644
index 0000000..c584668
--- /dev/null
+++ b/app/models/nutrient.rb
@@ -0,0 +1,7 @@
+class Nutrient < ApplicationRecord
+  validates :formula, presence: true, uniqueness: true
+  validates :name, presence: true
+
+  before_update { raise ActiveRecord::ReadOnlyRecord }
+  before_destroy { raise ActiveRecord::ReadOnlyRecord }
+end
diff --git a/app/models/nutrient_measurement.rb b/app/models/nutrient_measurement.rb
new file mode 100644
index 0000000..f1d6d5b
--- /dev/null
+++ b/app/models/nutrient_measurement.rb
@@ -0,0 +1,4 @@
+class NutrientMeasurement < ApplicationRecord
+  validates :measured_on, presence: true
+  validates :measured_on, uniqueness: true
+end
diff --git a/app/models/raft.rb b/app/models/raft.rb
new file mode 100644
index 0000000..af52700
--- /dev/null
+++ b/app/models/raft.rb
@@ -0,0 +1,5 @@
+class Raft < ApplicationRecord
+  belongs_to :bed
+  belongs_to :crop
+  validates :location, presence: true, uniqueness: { scope: :bed_id }
+end