🔄 DFD Diagram – System Data Flow

This manual provides an overview of the Data Flow Diagrams (DFDs) used in the system. Each section below includes:

A Data Flow Diagram (DFD) of the process
A description of its purpose and usage
Data stores, entities, and information flow

This document is intended for developers, administrators, and technical stakeholders to understand how data moves across processes, entities, and data stores in the application.

📄 View DFD Documentation (PDF)

DFD: Core Management

Purpose: This DFD explains the flow of core entities used for system operations such as activity_statuses, audit_logs, users, and teams.

References:

activity_statuses → defines statuses for tasks
audit_logs → records user/system activities
users → core entity for authentication
teams → grouping and ownership model

DFD: Forest Hierarchy

Purpose: Represents the forest hierarchy management including beats, blocks, compartments, and divisions.

DFD: Cost & Finance

Purpose: Manages all financial and cost structures such as cost_categories, cost_norm_codes, cost_norm_masters, department_budget_heads, department_sos, and financial_years.

DFD: Employee & EPA

Purpose: Covers employee details and EPA structures including employee_category_masters, employee_masters, epa_category_masters, epa_masters, and epa_details.

DFD: FAQ / Others

Purpose: Manages frequently asked questions and knowledge base using faq_categories and faq_questions.

DFD: Forests

Purpose: Manages forests including metadata, size and related hierarchy. Linked with users and teams.

DFD: Material Masters

Purpose: Maintains material_masters for project budgeting and planning. Connected with users, teams, and project_sub_components.

DFD: Media

Purpose: Handles all uploaded files, media references, conversions and disk storage.

DFD: Migrations

Purpose: Manages schema changes and Laravel migration tracking (migrations table).

DFD: Nursery (Masters + Costs)

Purpose: Tracks nursery_masters and nursery_costs, linked with divisions, ranges, users, teams, and financial_years.

DFD: Participants

Purpose: Contains participant_masters with training attended, designation, and references to training_held_masters, users, and teams.

DFD: Permissions

Purpose: Manages access control using permissions and permission_role mappings.