Class: MermaidRailsErd::RelationshipRegistry

Inherits:
Object
  • Object
show all
Defined in:
lib/mermaid_rails_erd/relationship_registry.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(symbol_mapper:, association_resolver:, polymorphic_resolver:, model_data_collector:, printed_tables: Set.new) ⇒ RelationshipRegistry

Returns a new instance of RelationshipRegistry.



13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
 
# File 'lib/mermaid_rails_erd/relationship_registry.rb', line 13

def initialize(
  symbol_mapper:,
  association_resolver:,
  polymorphic_resolver:,
  model_data_collector:,
  printed_tables: Set.new
)
  @polymorphic_resolver = polymorphic_resolver
  @model_data_collector = model_data_collector
  @printed_tables = printed_tables

  @builders = {
    belongs_to: RelationshipBuilders::BelongsToRelationshipBuilder.new(
      symbol_mapper: symbol_mapper,
      association_resolver: association_resolver,
      model_data_collector: model_data_collector,
    ),
    has_many: RelationshipBuilders::HasManyRelationshipBuilder.new(
      symbol_mapper: symbol_mapper,
      association_resolver: association_resolver,
      model_data_collector: model_data_collector,
    ),
    has_one: RelationshipBuilders::HasOneRelationshipBuilder.new(
      symbol_mapper: symbol_mapper,
      association_resolver: association_resolver,
      model_data_collector: model_data_collector,
    ),
    has_and_belongs_to_many: RelationshipBuilders::HasAndBelongsToManyRelationshipBuilder.new(
      symbol_mapper: symbol_mapper,
      association_resolver: association_resolver,
      printed_tables: printed_tables,
      model_data_collector: model_data_collector,
    ),
  }
end

Instance Attribute Details

#builders ⇒ Object (readonly)

Returns the value of attribute builders.



11
12
13
 
# File 'lib/mermaid_rails_erd/relationship_registry.rb', line 11

def builders
  @builders
end

#model_data_collector ⇒ Object (readonly)

Returns the value of attribute model_data_collector.



11
12
13
 
# File 'lib/mermaid_rails_erd/relationship_registry.rb', line 11

def model_data_collector
  @model_data_collector
end

#polymorphic_resolver ⇒ Object (readonly)

Returns the value of attribute polymorphic_resolver.



11
12
13
 
# File 'lib/mermaid_rails_erd/relationship_registry.rb', line 11

def polymorphic_resolver
  @polymorphic_resolver
end

Instance Method Details

#build_all_relationships ⇒ Object 



65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
 
# File 'lib/mermaid_rails_erd/relationship_registry.rb', line 65

def build_all_relationships
  relationships = []

  # Process polymorphic associations first
  @model_data_collector.polymorphic_associations.each do |data|
    model = data[:model]
    assoc = data[:association]
    relationships.concat(build_relationships(model, assoc))
  end

  # Then process regular associations
  @model_data_collector.regular_associations.each do |data|
    model = data[:model]
    assoc = data[:association]
    relationships.concat(build_relationships(model, assoc))
  end

  relationships
end

#build_relationships(model, assoc) ⇒ Object 



49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
 
# File 'lib/mermaid_rails_erd/relationship_registry.rb', line 49

def build_relationships(model, assoc)
  # Check for polymorphic association first
  if assoc.options[:polymorphic]
    from_table = model.table_name
    rel_type = builders[assoc.macro].symbol_mapper.map(assoc.macro)
    return polymorphic_resolver.resolve(assoc.name.to_s, from_table, rel_type)
  end

  # Delegate to the appropriate builder
  builder = builders[assoc.macro]
  return builder.build(model, assoc) if builder

  # If no builder exists for this macro type, return an empty array
  []
end