Scan Codebase Structure

Codebase Structure Scanner

Overview

Analyzes a directory tree to build a structured map of the project: identifies architectural layers, detects the framework in use, counts files per layer, and determines the overall project organization pattern.

Scanning Process

Step 1: Directory Tree Analysis

# Get top-level structure
Glob: "*" in target path

# Get full PHP file tree
Glob: "**/*.php" in target path

# Get configuration files
Glob: "{composer.json,*.yaml,*.yml,*.xml,*.neon,*.json}" in target path

Step 2: Framework Detection

# Check composer.json for framework
Grep: "symfony/framework-bundle|laravel/framework|yiisoft/yii2|slim/slim" in composer.json

# Check for Symfony bundles
Glob: "config/bundles.php"

# Check for Laravel artisan
Glob: "artisan"

# Check for framework config patterns
Glob: "config/{services,bundles,web,console,app}.{php,yaml,yml}"

Step 3: Layer Identification

Detect architectural layers by namespace patterns and directory structure:

Domain Layer

# Standard DDD directories
Glob: "**/Domain/**/*.php"
Glob: "**/Model/**/*.php"
Glob: "**/Entity/**/*.php"

# Domain components
Grep: "namespace.*\\\\Domain\\\\" --glob "**/*.php"
Grep: "namespace.*\\\\Model\\\\" --glob "**/*.php"

# Domain markers
Grep: "interface.*Repository" --glob "**/*.php"
Grep: "class.*ValueObject|extends.*ValueObject" --glob "**/*.php"
Grep: "class.*AggregateRoot|extends.*AggregateRoot" --glob "**/*.php"
Grep: "class.*DomainEvent|extends.*DomainEvent" --glob "**/*.php"

Application Layer

# Standard Application directories
Glob: "**/Application/**/*.php"
Glob: "**/UseCase/**/*.php"
Glob: "**/Service/**/*.php"

# Application components
Grep: "namespace.*\\\\Application\\\\" --glob "**/*.php"
Grep: "namespace.*\\\\UseCase\\\\" --glob "**/*.php"

# CQRS markers
Grep: "CommandHandler|QueryHandler|CommandBus|QueryBus" --glob "**/*.php"
Grep: "class.*Command\\b|class.*Query\\b" --glob "**/*.php"

Infrastructure Layer

# Standard Infrastructure directories
Glob: "**/Infrastructure/**/*.php"
Glob: "**/Persistence/**/*.php"
Glob: "**/Adapter/**/*.php"

# Infrastructure components
Grep: "namespace.*\\\\Infrastructure\\\\" --glob "**/*.php"
Grep: "implements.*Repository" --glob "**/*.php"

# External integrations
Grep: "Redis|RabbitMQ|Doctrine|Elasticsearch|Guzzle" --glob "**/*.php"

Presentation Layer

# Standard Presentation directories
Glob: "**/Controller/**/*.php"
Glob: "**/Action/**/*.php"
Glob: "**/Api/**/*.php"
Glob: "**/Console/**/*.php"

# Presentation components
Grep: "namespace.*\\\\(Controller|Action|Api|Console|Cli)\\\\" --glob "**/*.php"
Grep: "extends.*Controller|extends.*AbstractController" --glob "**/*.php"
Grep: "#\\[Route\\(|@Route" --glob "**/*.php"

Step 4: Module/Bounded Context Detection

# Detect bounded contexts (common patterns)
# Pattern 1: src/{Context}/Domain|Application|Infrastructure
Glob: "src/*/Domain/"
Glob: "src/*/Application/"

# Pattern 2: src/Domain/{Context}/
Glob: "src/Domain/*/"

# Pattern 3: packages/{context}/
Glob: "packages/*/"

# Pattern 4: modules/{context}/
Glob: "modules/*/"

Step 5: File Statistics

For each detected layer, count:

• Total PHP files
• Classes (class keyword)
• Interfaces (interface keyword)
• Abstract classes
• Enums (PHP 8.1+)
• Traits

# Count by type per directory
Grep: "^(final |abstract |readonly )?class " --glob "**/*.php" in each layer
Grep: "^interface " --glob "**/*.php" in each layer
Grep: "^enum " --glob "**/*.php" in each layer
Grep: "^trait " --glob "**/*.php" in each layer

Output Format

## Project Structure Map

### Framework
- **Framework:** Symfony 6.4 / Laravel 11 / Custom
- **PHP Version:** 8.4 (from composer.json require.php)
- **Type:** Monolith / Modular Monolith / Microservice

### Layers Overview

| Layer | Directory | Files | Classes | Interfaces | Enums |
|-------|-----------|-------|---------|------------|-------|
| Domain | src/Domain/ | 45 | 30 | 10 | 5 |
| Application | src/Application/ | 22 | 20 | 2 | 0 |
| Infrastructure | src/Infrastructure/ | 18 | 15 | 0 | 3 |
| Presentation | src/Api/, src/Console/ | 12 | 12 | 0 | 0 |

### Bounded Contexts (if detected)

| Context | Domain | Application | Infrastructure | Presentation |
|---------|--------|-------------|----------------|-------------|
| Order | 15 files | 8 files | 6 files | 4 files |
| User | 10 files | 5 files | 4 files | 3 files |
| Payment | 8 files | 4 files | 3 files | 2 files |

### Directory Tree

src/ ├── Domain/ │ ├── Order/ │ │ ├── Entity/ │ │ ├── ValueObject/ │ │ ├── Event/ │ │ └── Repository/ │ └── User/ ├── Application/ │ ├── Command/ │ ├── Query/ │ └── Service/ ├── Infrastructure/ │ ├── Persistence/ │ └── Messaging/ └── Presentation/ ├── Api/ └── Console/

### Key Configuration Files
| File | Purpose |
|------|---------|
| composer.json | Dependencies, autoloading |
| config/services.yaml | DI container configuration |
| config/routes.yaml | Route definitions |

Key Indicators

Project Size Classification

Layer Health Indicators

• Domain > Infrastructure = Good DDD adherence
• Infrastructure > Domain = Potential coupling issues
• No Application layer = Possible logic leak to controllers
• No Domain layer = Transaction script pattern

Integration

This skill provides the structural foundation for:

• identify-entry-points — uses layer map to find entry points
• detect-architecture-pattern — uses structure for pattern detection
• All analysis agents — uses layer map for scoped analysis

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