gochat/docs/requirements/M07-codegraph-context.md

## Code Context

**Query:** reporting, CSAT survey, campaign, reporting event, reporting rollup, report metrics, inbox CSAT template, dashboard stats

### Entry Points

- **CreateReportingEventsRollup** (class) - db/migrate/20260211145813_create_reporting_events_rollup.rb:1
- **AddIndexToReportingEvents** (class) - db/migrate/20230612103936_add_index_to_reporting_events.rb:1
- **AddIndexToReportingEventsForResponseDistribution** (class) - db/migrate/20260130061021_add_index_to_reporting_events_for_response_distribution.rb:1

### Related Symbols

- db/migrate/20260211145813_create_reporting_events_rollup.rb: change:2, create_rollups_table:9, add_rollups_indexes:24
- db/migrate/20230612103936_add_index_to_reporting_events.rb: change:4
- db/migrate/20260130061021_add_index_to_reporting_events_for_response_distribution.rb: change:4

### Code

#### CreateReportingEventsRollup (db/migrate/20260211145813_create_reporting_events_rollup.rb:1)

```ruby
class CreateReportingEventsRollup < ActiveRecord::Migration[7.1]
  def change
    create_rollups_table
    add_rollups_indexes
  end

  private

  def create_rollups_table
    create_table :reporting_events_rollups do |t|
      t.integer :account_id, null: false
      t.date :date, null: false
      t.string :dimension_type, null: false
      t.bigint :dimension_id, null: false
      t.string :metric, null: false
      t.bigint :count, default: 0, null: false
      t.float :sum_value, default: 0.0, null: false
      t.float :sum_value_business_hours, default: 0.0, null: false

      t.timestamps
    end
  end

  def add_rollups_indexes
    add_index :reporting_events_rollups,
              [:account_id, :date, :dimension_type, :dimension_id, :metric],
              unique: true, name: 'index_rollup_unique_key'

    add_index :reporting_events_rollups,
              [:account_id, :metric, :date],
              name: 'index_rollup_timeseries'

    add_index :reporting_events_rollups,
              [:account_id, :dimension_type, :date],
              name: 'index_rollup_summary'
  end
end
```

#### AddIndexToReportingEvents (db/migrate/20230612103936_add_index_to_reporting_events.rb:1)

```ruby
class AddIndexToReportingEvents < ActiveRecord::Migration[7.0]
  disable_ddl_transaction!

  def change
    add_index :reporting_events, [:account_id, :name, :created_at], name: 'reporting_events__account_id__name__created_at', algorithm: :concurrently
  end
end
```

#### AddIndexToReportingEventsForResponseDistribution (db/migrate/20260130061021_add_index_to_reporting_events_for_response_distribution.rb:1)

```ruby
class AddIndexToReportingEventsForResponseDistribution < ActiveRecord::Migration[7.1]
  disable_ddl_transaction!

  def change
    add_index :reporting_events,
              [:account_id, :name, :inbox_id, :created_at],
              name: 'index_reporting_events_for_response_distribution',
              algorithm: :concurrently,
              if_not_exists: true
  end
end
```

#### change (db/migrate/20260211145813_create_reporting_events_rollup.rb:2)

```ruby
  def change
    create_rollups_table
    add_rollups_indexes
  end
```

#### create_rollups_table (db/migrate/20260211145813_create_reporting_events_rollup.rb:9)

```ruby
  def create_rollups_table
    create_table :reporting_events_rollups do |t|
      t.integer :account_id, null: false
      t.date :date, null: false
      t.string :dimension_type, null: false
      t.bigint :dimension_id, null: false
      t.string :metric, null: false
      t.bigint :count, default: 0, null: false
      t.float :sum_value, default: 0.0, null: false
      t.float :sum_value_business_hours, default: 0.0, null: false

      t.timestamps
    end
  end
```

#### add_rollups_indexes (db/migrate/20260211145813_create_reporting_events_rollup.rb:24)

```ruby
  def add_rollups_indexes
    add_index :reporting_events_rollups,
              [:account_id, :date, :dimension_type, :dimension_id, :metric],
              unique: true, name: 'index_rollup_unique_key'

    add_index :reporting_events_rollups,
              [:account_id, :metric, :date],
              name: 'index_rollup_timeseries'

    add_index :reporting_events_rollups,
              [:account_id, :dimension_type, :date],
              name: 'index_rollup_summary'
  end
```

#### change (db/migrate/20230612103936_add_index_to_reporting_events.rb:4)

```ruby
  def change
    add_index :reporting_events, [:account_id, :name, :created_at], name: 'reporting_events__account_id__name__created_at', algorithm: :concurrently
  end
```

#### change (db/migrate/20260130061021_add_index_to_reporting_events_for_response_distribution.rb:4)

```ruby
  def change
    add_index :reporting_events,
              [:account_id, :name, :inbox_id, :created_at],
              name: 'index_reporting_events_for_response_distribution',
              algorithm: :concurrently,
              if_not_exists: true
  end
```