feat: add import report and errors models #216

Author: hernanvicente

app/models/import_error.rb

@@ -0,0 +1,8 @@
+class ImportError < ApplicationRecord
+  belongs_to :import_report
+
+  validates :error_type, presence: true
+
+  scope :by_type, ->(type) { where(error_type: type) }
+  scope :with_files, -> { where.not(file_name: nil) }
+end

app/models/import_report.rb

@@ -0,0 +1,10 @@
+class ImportReport < ApplicationRecord
+  has_many :import_errors, dependent: :destroy
+
+  validates :import_type, presence: true
+
+  enum status: { pending: "pending", completed: "completed", failed: "failed" }
+
+  scope :recent, -> { order(created_at: :desc) }
+  scope :by_type, ->(type) { where(import_type: type) }
+end

db/migrate/20250625101109_create_import_errors.rb

@@ -0,0 +1,17 @@
+class CreateImportErrors < ActiveRecord::Migration[7.0]
+  def change
+    create_table :import_errors do |t|
+      t.references :import_report, null: false, foreign_key: true
+      t.string :error_type, null: false
+      t.string :file_name
+      t.integer :topic_id
+      t.text :error_message
+      t.json :metadata
+
+      t.timestamps
+    end
+
+    add_index :import_errors, :error_type
+    add_index :import_errors, :file_name
+  end
+end

db/migrate/20250625101109_create_import_reports.rb

@@ -0,0 +1,17 @@
+class CreateImportReports < ActiveRecord::Migration[8.0]
+  def change
+    create_table :import_reports do |t|
+      t.string :import_type, null: false
+      t.datetime :started_at
+      t.datetime :completed_at
+      t.json :summary_stats
+      t.json :unmatched_files
+      t.json :error_details
+      t.string :status, default: 'pending'
+
+      t.timestamps
+    end
+
+    add_index :import_reports, :import_type
+  end
+end