Class: Migflow::Services::ScopedMigrationWarnings

Inherits:
Object
  • Object
show all
Defined in:
lib/migflow/services/scoped_migration_warnings.rb

Constant Summary collapse

MIGRATION_LEVEL_RULES = 
%w[
  dangerous_migration_rule
  null_column_without_default_rule
].freeze
NOOP_INFO_RULE = 
"no_schema_change_migration_rule"

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(snapshot:, migration:, diff: nil) ⇒ ScopedMigrationWarnings

Returns a new instance of ScopedMigrationWarnings.



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# File 'lib/migflow/services/scoped_migration_warnings.rb', line 21

def initialize(snapshot:, migration:, diff: nil)
  @snapshot  = snapshot
  @migration = migration
  @diff      = diff
end

Class Method Details

.call(snapshot:, migration:, diff: nil) ⇒ Object 



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# File 'lib/migflow/services/scoped_migration_warnings.rb', line 17

def self.call(snapshot:, migration:, diff: nil)
  new(snapshot: snapshot, migration: migration, diff: diff).call
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/migflow/services/scoped_migration_warnings.rb', line 27

def call
  warnings = Analyzers::AuditAnalyzer.call(snapshot: @snapshot, raw_migrations: [@migration])
  touched_tables = TouchedTablesFromMigration.call(raw_content: @migration[:raw_content])

  if touched_tables.empty?
    result = warnings.select { migration_level_warning?(_1) }
    result << noop_migration_warning if noop_migration?(@migration[:raw_content].to_s)
    return result
  end

  warnings.select do |warning|
    migration_level_warning?(warning) || relevant_schema_warning?(warning, touched_tables)
  end
end