hellen-22/library-management-system-django

How hellen-22/library-management-system-django works

This Django library-management application serves librarians: they register or log in, then manage members and books, lend books while recording borrowing payments, track loans, process returns and overdue fines, and review payment history. The library views coordinate forms and persistent domain models; a pre-save signal adjusts book availability during borrowing. The README documents these capabilities, while sampled source confirms only selected view paths, so unsampled features are retained as documented subsystems without asserting their internal call details.

Main entry points: library/views.py Library views · users/views.py Account views · models.py Book records · urls.py URL routing

Components 22

Librarian access

Account views users/views.py
Account forms users/forms.py

Library operations

Library views library/views.py
Library forms library/forms.py
Member management library/views.py
Book management library/views.py
Book lending library/views.py
Book returns library/views.py
Payments and fines library/views.py
Library dashboard library/views.py

Library domain

Librarian account users/models.py
Member records library/models.py
Book records library/models.py
Loan records library/models.py
Transaction records library/models.py
Availability signal library/signals.py

Web platform

URL routing core/urls.py
Library routes library/urls.py
Account routes users/urls.py
Django runtime

Other components

Librarian
PostgreSQL

Connections 35

Librarian → Account views: authenticates README.md
Account views → Account forms: validates users/views.py
Account forms → Librarian account: checks account users/forms.py
Account views → Librarian account: creates account users/views.py
Librarian → Library views: manages library README.md
Library views → Library forms: validates input library/views.py
Library views → Member management: serves requests library/views.py
Library views → Book management: serves requests library/views.py
Library views → Book lending: serves requests library/views.py
Library views → Book returns: serves requests README.md
Library views → Payments and fines: serves requests library/views.py
Library views → Library dashboard: serves requests library/views.py
Member management → Member records: reads and writes library/views.py
Book management → Book records: reads and writes library/views.py
Book lending → Loan records: creates loans library/views.py
Book lending → Book records: updates quantity library/views.py
Book lending → Transaction records: records payment README.md
Book returns → Loan records: updates loans README.md
Book returns → Book records: updates quantity library/views.py
Payments and fines → Transaction records: lists payments library/views.py
Library dashboard → Member records: counts members library/views.py
Library dashboard → Book records: counts books library/views.py
Library dashboard → Loan records: counts loans library/views.py
Library dashboard → Transaction records: sums payments library/views.py
Availability signal → Book records: sets status library/signals.py
Book lending → Availability signal: triggers save
Django runtime → URL routing: dispatches requests
URL routing → Library routes: includes routes
URL routing → Account routes: includes routes
Library routes → Library views: routes to library/urls.py
Account routes → Account views: routes to users/urls.py
Django runtime → Library views: runs views
Django runtime → Account views: runs views
Library views → PostgreSQL: persists records
Account views → PostgreSQL: persists accounts

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Drawn by GitDiagram on September 30, 2026 from the repository's file tree, README and source files. Read as Markdown ·