Source Tree Analysis - TinyQC

Project Root Structure

tinyqc/
├── app/                          # Application source code (MVC)
│   ├── Config/                   # Framework and app configurations
│   ├── Controllers/              # HTTP request handlers
│   │   └── Api/                  # REST API controllers
│   ├── Database/                 # Database utilities
│   │   ├── Migrations/           # Database migrations
│   │   └── Seeds/                # Database seeders
│   ├── Filters/                  # Request filters
│   ├── Helpers/                  # Helper functions
│   ├── Language/                 # Language files
│   ├── Libraries/                # Custom libraries
│   ├── Models/                   # Data models
│   ├── ThirdParty/               # Third-party code
│   ├── Views/                    # View templates
│   ├── BaseController.php        # Controller base class
│   └── Common.php                # Common functions
├── public/                       # Web root directory
│   ├── index.php                 # Application entry point
│   ├── js/                       # JavaScript files
│   ├── css/                      # CSS files (if any)
│   ├── favicon.ico               # Site icon
│   └── .htaccess                 # Apache configuration
├── tests/                        # Unit tests
├── writable/                     # Writable files (logs, cache, debugbar)
├── _bmad/                        # BMAD development artifacts
├── vendor/                       # Composer dependencies
├── composer.json                 # Composer configuration
├── env                           # Environment template
├── phpunit.xml.dist              # PHPUnit configuration
└── spark                         # CodeIgniter CLI tool

Application Directory (app/)

Config Directory

File	Purpose
`App.php`	Main application configuration
`Database.php`	Database connection settings (SQL Server)
`Routes.php`	URL routing definitions
`Autoload.php`	Class autoloading configuration
`Boot/*.php`	Environment-specific boot configs
`Filters.php`	Request filter configurations
`Services.php`	Service container configurations
`Session.php`	Session settings
`Validation.php`	Form validation rules

Purpose: Contains all CodeIgniter 4 framework configurations and application-specific settings.

Controllers Directory

Controller	Purpose
`BaseController.php`	Base controller with common functionality
`Dashboard.php`	Main dashboard controller
`Dept.php`	Department management
`Test.php`	Test/parameter management
`Control.php`	Control standards management
`Entry.php`	Daily/monthly entry management
`Report.php`	Report generation
`PageController.php`	Generic page controller

API Controllers:

Controller	Purpose
`Api/DeptApiController.php`	Department CRUD API
`Api/TestApiController.php`	Test/parameter CRUD API
`Api/ControlApiController.php`	Control CRUD API
`Api/EntryApiController.php`	Entry data API

Purpose: Handle HTTP requests, process business logic, and return responses.

Models Directory

Model	Purpose
`BaseModel.php`	Base model with camel/snake case conversion
`DictDeptModel.php`	Department dictionary
`DictTestModel.php`	Test dictionary
`DictControlModel.php`	Control dictionary
`ControlModel.php`	Control management
`ControlTestModel.php`	Control-test relationships
`DeptModel.php`	Department operations
`TestModel.php`	Test operations
`ResultModel.php`	Result management
`DailyResultModel.php`	Daily QC results
`MonthlyCommentModel.php`	Monthly comments
`ResultCommentModel.php`	Result comments

Purpose: Handle database operations, data validation, and business logic for each domain entity.

Views Directory

Directory/File	Purpose
`layout/`	Layout templates
`dashboard.php`	Dashboard view
`dept/`	Department views
`test/`	Test views
`control/`	Control views
`entry/`	Entry views (daily, monthly)
`report/`	Report views
`errors/`	Error page templates

Purpose: Presentation layer using PHP templates with TailwindCSS and DaisyUI styling.

Public Directory

File	Purpose
`index.php`	Application bootstrap and entry point
`js/app.js`	Main JavaScript application
`js/tables.js`	Table functionality
`js/charts.js`	Chart/rendering functionality
`.htaccess`	URL rewriting for Apache
`favicon.ico`	Site icon
`robots.txt`	Search engine rules

Purpose: Web root directory served by web server.

Writable Directory

Contains runtime-generated files:

debugbar/ - Debug toolbar data
logs/ - Application logs
cache/ - Application cache
session/ - Session files

Entry Points

Entry Point	Type	Description
`public/index.php`	Web	Main application entry point
`spark`	CLI	CodeIgniter 4 CLI tool

Integration Points

This is a monolith application - all components are contained within a single codebase. No external service integrations detected in quick scan.

Critical Folders Summary

Folder	Critical	Purpose
`app/Config/`	Yes	All configuration
`app/Controllers/`	Yes	Request handling
`app/Models/`	Yes	Data access layer
`app/Views/`	Yes	UI templates
`public/`	Yes	Web entry point
`writable/`	Yes	Runtime files
`tests/`	No	Unit tests
`_bmad/`	No	Development artifacts
`vendor/`	No	Dependencies

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