func()

in codegen/config/config.go [531:610]

• 74 lines of code
• 16 McCabe index (conditional complexity)

func (c *Config) check() error {
	if c.Models == nil {
		c.Models = TypeMap{}
	}

	type FilenamePackage struct {
		Filename string
		Package  string
		Declaree string
	}

	fileList := map[string][]FilenamePackage{}

	if err := c.Models.Check(); err != nil {
		return fmt.Errorf("config.models: %w", err)
	}
	if err := c.Exec.Check(); err != nil {
		return fmt.Errorf("config.exec: %w", err)
	}
	fileList[c.Exec.ImportPath()] = append(fileList[c.Exec.ImportPath()], FilenamePackage{
		Filename: c.Exec.Filename,
		Package:  c.Exec.Package,
		Declaree: "exec",
	})

	if c.Model.IsDefined() {
		if err := c.Model.Check(); err != nil {
			return fmt.Errorf("config.model: %w", err)
		}
		fileList[c.Model.ImportPath()] = append(fileList[c.Model.ImportPath()], FilenamePackage{
			Filename: c.Model.Filename,
			Package:  c.Model.Package,
			Declaree: "model",
		})
	}
	if c.Resolver.IsDefined() {
		if err := c.Resolver.Check(); err != nil {
			return fmt.Errorf("config.resolver: %w", err)
		}
		fileList[c.Resolver.ImportPath()] = append(fileList[c.Resolver.ImportPath()], FilenamePackage{
			Filename: c.Resolver.Filename,
			Package:  c.Resolver.Package,
			Declaree: "resolver",
		})
	}
	if c.Federation.IsDefined() {
		if err := c.Federation.Check(); err != nil {
			return fmt.Errorf("config.federation: %w", err)
		}
		fileList[c.Federation.ImportPath()] = append(fileList[c.Federation.ImportPath()], FilenamePackage{
			Filename: c.Federation.Filename,
			Package:  c.Federation.Package,
			Declaree: "federation",
		})
		if c.Federation.ImportPath() != c.Exec.ImportPath() {
			return errors.New("federation and exec must be in the same package")
		}
	}
	if c.Federated {
		return errors.New("federated has been removed, instead use\nfederation:\n    filename: path/to/federated.go")
	}

	for importPath, pkg := range fileList {
		for _, file1 := range pkg {
			for _, file2 := range pkg {
				if file1.Package != file2.Package {
					return fmt.Errorf("%s and %s define the same import path (%s) with different package names (%s vs %s)",
						file1.Declaree,
						file2.Declaree,
						importPath,
						file1.Package,
						file2.Package,
					)
				}
			}
		}
	}

	return nil
}