API: add endpoint for updating of stock [SCI-6549] (#3955)

* Add test for Stock repository cell [SCI-6549]

* Create and update stock inventory cell [SCI-6549]

* Fix hound errors [SCI-6549]

* Fix ledger recording [SCI-6549]

* Fix api endpoint [SCI-6549]

* Fix hound [SCI-6549]

app/controllers/repository_stock_values_controller.rb

@@ -44,19 +44,12 @@ class RepositoryStockValuesController < ApplicationController
       )
     end
 
-    render json: @repository_stock_vlaue
+    render json: @repository_stock_value
   end
 
   private
 
   def update!
-    @repository_stock_value.update_stock_with_ledger!(
-      repository_stock_value_params[:amount],
-      @repository,
-      repository_stock_value_params[:comment].presence
-    )
-    @repository_stock_value.repository_stock_unit_item =
-      @repository_column.repository_stock_unit_items.find(repository_stock_value_params[:unit_item_id])
     @repository_stock_value.update_data!(repository_stock_value_params, current_user)
   end
 
@@ -66,9 +59,7 @@ class RepositoryStockValuesController < ApplicationController
       repository_stock_value_params,
       repository_cell: repository_cell,
       created_by: current_user,
-      last_modified_by: current_user,
-      repository_stock_unit_item: @repository_column.repository_stock_unit_items
-                                                    .find(repository_stock_value_params[:unit_item_id])
+      last_modified_by: current_user
     )
     @repository_stock_value.save!
     @repository_stock_value.update_stock_with_ledger!(

app/models/repository_cell.rb

@@ -34,6 +34,8 @@ class RepositoryCell < ApplicationRecord
 
   has_many :hidden_repository_cell_reminders, dependent: :destroy
 
+  before_destroy :prevent_stock_cell_destroy
+
   validates :repository_column,
             inclusion: { in: (lambda do |repository_cell|
               repository_cell.repository_row&.repository&.repository_columns || []
@@ -58,6 +60,12 @@ class RepositoryCell < ApplicationRecord
                                                  last_modified_by: user)
       cell.value = value
       value.save!
+
+      if column.data_type == 'RepositoryStockValue'
+        value.update_stock_with_ledger!(value.amount,
+                                        value.repository_cell.repository_column.repository,
+                                        '')
+      end
     end
     cell
   end
@@ -84,4 +92,8 @@ class RepositoryCell < ApplicationRecord
       errors.add(:value_type, 'must match column data type')
     end
   end
+
+  def prevent_stock_cell_destroy
+    raise NotImplementedError if value.class.name == 'RepositoryStockValue'
+  end
 end

app/models/repository_stock_value.rb

@@ -83,14 +83,24 @@ class RepositoryStockValue < ApplicationRecord
     end
   end
 
-  def data_changed?(new_data)
-    BigDecimal(new_data.to_s) != data
+  def data_different?(new_data)
+    BigDecimal(new_data[:amount].to_s) != amount ||
+      (new_data[:unit_item_id].present? && new_data[:unit_item_id] != repository_stock_unit_item.id)
   end
 
   def update_data!(new_data, user)
-    self.amount = BigDecimal(new_data[:amount].to_s)
-    self.low_stock_threshold = new_data[:low_stock_threshold]
+    self.low_stock_threshold = new_data[:low_stock_threshold] if new_data[:low_stock_threshold].present?
+    self.repository_stock_unit_item = repository_cell
+                                      .repository_column
+                                      .repository_stock_unit_items
+                                      .find(new_data[:unit_item_id])
     self.last_modified_by = user
+
+    update_stock_with_ledger!(new_data[:amount],
+                              repository_cell.repository_column.repository,
+                              new_data[:comment].presence)
+
+    self.amount = BigDecimal(new_data[:amount].to_s)
     save!
   end
 
@@ -116,10 +126,18 @@ class RepositoryStockValue < ApplicationRecord
   end
 
   def self.new_with_payload(payload, attributes)
-    value = new(attributes)
-    value.amount = payload[:amount]
-    value.low_stock_threshold = payload[:low_stock_threshold]
-    value
+    if payload[:amount].present?
+      value = new(attributes)
+      value.amount = payload[:amount]
+      value.low_stock_threshold = payload[:low_stock_threshold]
+      value.repository_stock_unit_item = value.repository_cell
+                                              .repository_column
+                                              .repository_stock_unit_items
+                                              .find(payload['unit_item_id'])
+      value
+    else
+      raise ActiveRecord::RecordInvalid, 'Missing amount value'
+    end
   end
 
   def self.import_from_text(text, attributes, _options = {})

spec/requests/api/v1/inventory_cells_controller_spec.rb

@@ -42,6 +42,11 @@ RSpec.describe 'Api::V1::InventoryCellsController', type: :request do
     @date_time_range_column = create(:repository_column,
                                      repository: @valid_inventory, data_type: :RepositoryDateTimeRangeValue)
     @number_column = create(:repository_column, repository: @valid_inventory, data_type: :RepositoryNumberValue)
+    @stock_column = create(:repository_column, name: Faker::Name.unique.name, 
+                           data_type: :RepositoryStockValue, repository: @valid_inventory)
+    @repository_stock_unit_item = create( :repository_stock_unit_item, created_by: @user,
+                                                                       last_modified_by: @user,
+                                                                       repository_column: @stock_column)  
 
     @valid_item = create(:repository_row, repository: @valid_inventory)
 
@@ -80,6 +85,10 @@ RSpec.describe 'Api::V1::InventoryCellsController', type: :request do
     create(:repository_number_value,
            data: 1234.5678,
            repository_cell_attributes: { repository_row: @valid_item, repository_column: @number_column })
+    create(:repository_stock_value,
+           amount: 10,
+           repository_stock_unit_item: @repository_stock_unit_item,
+           repository_cell_attributes: { repository_row: @valid_item, repository_column: @stock_column })
 
     @valid_headers =
       { 'Authorization': 'Bearer ' + generate_token(@user.id),
@@ -214,6 +223,18 @@ RSpec.describe 'Api::V1::InventoryCellsController', type: :request do
         }
       }
     }
+    @valid_stock_body = {
+      data: {
+        type: 'inventory_cells',
+        attributes: {
+          column_id: @stock_column.id,
+          value: {
+            amount: 19,
+            unit_item_id: @repository_stock_unit_item.id
+          }
+        }
+      }
+    }
     @update_text_body = {
       data: {
         id: @valid_item.repository_cells.where(repository_column: @text_column).first.id,
@@ -356,6 +377,19 @@ RSpec.describe 'Api::V1::InventoryCellsController', type: :request do
         }
       }
     }
+    @update_stock_body = {
+      data: {
+        id: @valid_item.repository_cells.where(repository_column: @stock_column).first.id,
+        type: 'inventory_cells',
+        attributes: {
+          column_id: @stock_column.id,
+          value: {
+            amount: 20,
+            unit_item_id: @repository_stock_unit_item.id
+          }
+        }
+      }
+    }
   end
 
   describe 'GET inventory_cells, #index' do
@@ -696,6 +730,55 @@ RSpec.describe 'Api::V1::InventoryCellsController', type: :request do
       )
     end
 
+    it 'Response with correct inventory cell, stock cell' do
+      hash_body = nil
+      empty_item = create(:repository_row, repository: @valid_inventory)
+      post api_v1_team_inventory_item_cells_path(
+        team_id: @team.id,
+        inventory_id: @valid_inventory.id,
+        item_id: empty_item.id
+      ), params: @valid_stock_body.to_json, headers: @valid_headers
+      expect(response).to have_http_status 201
+      expect { hash_body = json }.not_to raise_exception
+      expect(hash_body[:data]).to match(
+        JSON.parse(
+          ActiveModelSerializers::SerializableResource
+            .new(RepositoryCell.last, serializer: Api::V1::InventoryCellSerializer)
+            .to_json
+        )['data']
+      )
+    end
+
+    it 'Response with inventory cell, stock cell, missing stock unit' do
+      hash_body = nil
+      empty_item = create(:repository_row, repository: @valid_inventory)
+      invalid_file_body = @valid_stock_body.deep_dup
+      invalid_file_body[:data][:attributes][:value].delete(:unit_item_id)
+      post api_v1_team_inventory_item_cells_path(
+        team_id: @team.id,
+        inventory_id: @valid_inventory.id,
+        item_id: empty_item.id
+      ), params: invalid_file_body.to_json, headers: @valid_headers
+      expect(response).to have_http_status 404
+      expect { hash_body = json }.not_to raise_exception
+      expect(hash_body['errors'][0]).to include('status': 404)
+    end
+
+    it 'Response with inventory cell, stock cell, missing amount' do
+      hash_body = nil
+      empty_item = create(:repository_row, repository: @valid_inventory)
+      invalid_file_body = @valid_stock_body.deep_dup
+      invalid_file_body[:data][:attributes][:value].delete(:amount)
+      post api_v1_team_inventory_item_cells_path(
+        team_id: @team.id,
+        inventory_id: @valid_inventory.id,
+        item_id: empty_item.id
+      ), params: invalid_file_body.to_json, headers: @valid_headers
+      expect(response).to have_http_status 400
+      expect { hash_body = json }.not_to raise_exception
+      expect(hash_body['errors'][0]).to include('status': 400)
+    end
+
     it 'When invalid request, payload mismatches column type' do
       hash_body = nil
       invalid_file_body = @valid_file_body.dup
@@ -1010,6 +1093,26 @@ RSpec.describe 'Api::V1::InventoryCellsController', type: :request do
       )
     end
 
+    it 'Response with correct inventory cell, stock cell' do
+      hash_body = nil
+      patch api_v1_team_inventory_item_cell_path(
+        team_id: @team.id,
+        inventory_id: @valid_inventory.id,
+        item_id: @valid_item.id,
+        id: @valid_item.repository_cells.where(repository_column: @stock_column).first.id
+      ), params: @update_stock_body.to_json, headers: @valid_headers
+      expect(response).to have_http_status 200
+      expect { hash_body = json }.not_to raise_exception
+      expect(hash_body[:data]).to match(
+        JSON.parse(
+          ActiveModelSerializers::SerializableResource
+            .new(@valid_item.repository_cells.where(repository_column: @stock_column).first,
+                 serializer: Api::V1::InventoryCellSerializer)
+            .to_json
+        )['data']
+      )
+    end
+
     it 'When invalid request, payload mismatches column type' do
       hash_body = nil
       invalid_file_body = @valid_file_body.dup
@@ -1067,7 +1170,7 @@ RSpec.describe 'Api::V1::InventoryCellsController', type: :request do
 
   describe 'DELETE inventory_cells, #destroy' do
     it 'Destroys inventory cell' do
-      deleted_id = @valid_item.repository_cells.last.id
+      deleted_id = @valid_item.repository_cells.where(repository_column: @number_column).first.id 
       delete api_v1_team_inventory_item_cell_path(
         id: deleted_id,
         team_id: @team.id,
@@ -1078,6 +1181,18 @@ RSpec.describe 'Api::V1::InventoryCellsController', type: :request do
       expect(RepositoryCell.where(id: deleted_id)).to_not exist
     end
 
+    it 'Destroys stock inventory cell' do
+      deleted_id = @valid_item.repository_cells.where(repository_column: @stock_column).first.id 
+      delete api_v1_team_inventory_item_cell_path(
+        id: deleted_id,
+        team_id: @team.id,
+        inventory_id: @valid_inventory.id,
+        item_id: @valid_item.id
+      ), headers: @valid_headers
+      expect(response).to have_http_status(400)
+      expect(RepositoryCell.where(id: deleted_id)).to exist
+    end
+
     it 'Invalid request, non existing inventory item' do
       deleted_id = RepositoryCell.last.id + 1
       delete api_v1_team_inventory_item_cell_path(