CSV Imports Overhaul (Transactions, Trades, Accounts, and Mint import support) (#1209)

* Remove stale 1.0 import logic and model

* Fresh start

* Checkpoint before removing nav

* First working prototype

* Add trade, account, and mint import flows

* Basic working version with tests

* System tests for each import type

* Clean up mappings flow

* Clean up PR, refactor stale code, tests

* Add back row validations

* Row validations

* Fix import job test

* Fix import navigation

* Fix mint import configuration form

* Currency preset for new accounts

db/migrate/20240921170426_change_import_owner.rb

@@ -0,0 +1,28 @@
+class ChangeImportOwner < ActiveRecord::Migration[7.2]
+  def up
+    add_reference :imports, :family, foreign_key: true, type: :uuid
+    add_column :imports, :original_account_id, :uuid
+
+    execute <<-SQL
+      UPDATE imports
+      SET family_id = (SELECT family_id FROM accounts WHERE accounts.id = imports.account_id),
+          original_account_id = account_id
+    SQL
+
+    remove_reference :imports, :account, foreign_key: true, type: :uuid
+    change_column_null :imports, :family_id, false
+  end
+
+  def down
+    add_reference :imports, :account, foreign_key: true, type: :uuid
+
+    execute <<-SQL
+      UPDATE imports
+      SET account_id = original_account_id
+    SQL
+
+    remove_reference :imports, :family, foreign_key: true, type: :uuid
+    remove_column :imports, :original_account_id, :uuid
+    change_column_null :imports, :account_id, false
+  end
+end

db/migrate/20240925112218_add_import_types.rb

@@ -0,0 +1,55 @@
+class AddImportTypes < ActiveRecord::Migration[7.2]
+  def change
+    change_table :imports do |t|
+      t.string :type, null: false
+      t.string :date_col_label, default: "date"
+      t.string :amount_col_label, default: "amount"
+      t.string :name_col_label, default: "name"
+      t.string :category_col_label, default: "category"
+      t.string :tags_col_label, default: "tags"
+      t.string :account_col_label, default: "account"
+      t.string :qty_col_label, default: "qty"
+      t.string :ticker_col_label, default: "ticker"
+      t.string :price_col_label, default: "price"
+      t.string :entity_type_col_label, default: "type"
+      t.string :notes_col_label, default: "notes"
+      t.string :currency_col_label, default: "currency"
+      t.string :date_format, default: "%m/%d/%Y"
+      t.string :signage_convention, default: "inflows_positive"
+      t.string :error
+    end
+
+    # Add import references so we can associate imported resources after the import
+    add_reference :account_entries, :import, foreign_key: true, type: :uuid
+    add_reference :accounts, :import, foreign_key: true, type: :uuid
+
+    create_table :import_rows, id: :uuid do |t|
+      t.references :import, null: false, foreign_key: true, type: :uuid
+      t.string :account
+      t.string :date
+      t.string :qty
+      t.string :ticker
+      t.string :price
+      t.string :amount
+      t.string :currency
+      t.string :name
+      t.string :category
+      t.string :tags
+      t.string :entity_type
+      t.text :notes
+
+      t.timestamps
+    end
+
+    create_table :import_mappings, id: :uuid do |t|
+      t.string :type, null: false
+      t.string :key
+      t.string :value
+      t.boolean :create_when_empty, default: true
+      t.references :import, null: false, type: :uuid
+      t.references :mappable, polymorphic: true, type: :uuid
+
+      t.timestamps
+    end
+  end
+end