add code

.gitignore

@@ -0,0 +1,154 @@
+.gitattributes
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+.idea
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/

README.md

@@ -0,0 +1,47 @@
+# База данных хранилища или пульт управления для охранника
+
+## Короткое описание проекта
+
+Пульт управления для охранника, чтобы он мог следить за всеми, кто находится в хранилище.
+
+
+## Требования к окружению
+Python
+
+Python3 должен быть уже установлен,
+затем используйте `pip` (или `pip3`, есть конфликт с Python2) для установки зависимостей.
+```python
+pip install -r requirements.txt
+```
+## Переменные окружения
+Файл .env      
+В нём надо указать данные для файла `settings.py`.
+```
+DB_ENGINE=example
+DB_HOST=example
+DB_PORT=example
+DB_NAME=example
+DB_USER=example
+DB_PASSWORD=example
+ALLOWED_HOSTS=example
+SECRET_KEY=example
+```
+В файле settings.py есть настройка `DEBUG`, она включает отладочный режим работы сайта. На локальной машине она обычно равна True, а на сервере — False. Чтобы случайно не отправить `DEBUG` = True на сервер вместе с очередным коммитом, эту настройку выносят в переменную окружения.
+
+#### Для запуска сайта
+```
+python main
+```
+
+### Пример результата
+
+Открываем браузер и заходим на локальный сайт:
+```
+http://localhost:8000
+```
+
+
+### Цель проекта
+Cделать пульт управления для охранника, чтобы он мог следить за всеми, кто находится в хранилище.
+
+Код написан в образовательных целях..

datacenter/active_passcards_view.py

@@ -4,10 +4,9 @@
 
 
 def active_passcards_view(request):
-    # Программируем здесь
 
-    all_passcards = Passcard.objects.all()
+    active_passcards = Passcard.objects.filter(is_active=True)
     context = {
-        'active_passcards': all_passcards,  # люди с активными пропусками
+        "active_passcards": active_passcards,
     }
-    return render(request, 'active_passcards.html', context)
+    return render(request, "active_passcards.html", context)

datacenter/models.py

@@ -1,4 +1,7 @@
 from django.db import models
+from django.utils.timezone import localtime
+from datetime import timezone
+import datetime
 
 
 class Passcard(models.Model):
@@ -10,7 +13,7 @@ class Passcard(models.Model):
     def __str__(self):
         if self.is_active:
             return self.owner_name
-        return f'{self.owner_name} (inactive)'
+        return f"{self.owner_name} (inactive)"
 
 
 class Visit(models.Model):
@@ -20,11 +23,32 @@ class Visit(models.Model):
     leaved_at = models.DateTimeField(null=True)
 
     def __str__(self):
-        return '{user} entered at {entered} {leaved}'.format(
+        return "{user} entered at {entered} {leaved}".format(
             user=self.passcard.owner_name,
             entered=self.entered_at,
-            leaved=(
-                f'leaved at {self.leaved_at}'
-                if self.leaved_at else 'not leaved'
-            )
+            leaved=(f"leaved at {self.leaved_at}" if self.leaved_at else "not leaved"),
         )
+
+    def get_duration(self):
+        visit_time = (
+            localtime(self.leaved_at) - localtime(self.entered_at)
+        ).total_seconds()
+        return visit_time
+
+    def format_duration(self, visit_time):
+        seconds = visit_time.total_seconds()
+        hours = seconds // 3600
+
+        minutes = (seconds % 3600) // 60
+
+        return f"{int(hours)}ч {int(minutes)}мин"
+
+    def is_visit_long(self):
+        now = datetime.datetime.now(timezone.utc)
+        minutes = 60
+
+        if self.leaved_at is None:
+            duration = (now - localtime(self.entered_at)).total_seconds()
+        else:
+            duration = self.get_duration()
+        return duration // 60 > minutes

datacenter/passcard_info_view.py

@@ -1,21 +1,25 @@
 from datacenter.models import Passcard
 from datacenter.models import Visit
-from django.shortcuts import render
+from django.shortcuts import render, get_object_or_404
+from django.utils.timezone import localtime
 
 
 def passcard_info_view(request, passcode):
-    passcard = Passcard.objects.all()[0]
-    # Программируем здесь
+    this_passcard_visits = []
+    passcard = get_object_or_404(Passcard, passcode=passcode)
+    visits = Visit.objects.filter(passcard=passcard)
 
-    this_passcard_visits = [
-        {
-            'entered_at': '11-04-2018',
-            'duration': '25:03',
-            'is_strange': False
-        },
-    ]
-    context = {
-        'passcard': passcard,
-        'this_passcard_visits': this_passcard_visits
-    }
-    return render(request, 'passcard_info.html', context)
+    for visit in visits:
+        entered = localtime(visit.entered_at)
+        leave = localtime(visit.leaved_at)
+
+        this_passcard_visits.append(
+            {
+                "entered_at": entered,
+                "duration": visit.format_duration(leave - entered),
+                "is_strange": visit.is_visit_long(),
+            }
+        )
+
+    context = {"passcard": passcard, "this_passcard_visits": this_passcard_visits}
+    return render(request, "passcard_info.html", context)

datacenter/storage_information_view.py

@@ -1,19 +1,29 @@
 from datacenter.models import Passcard
 from datacenter.models import Visit
 from django.shortcuts import render
+from django.utils.timezone import localtime
+from datetime import timezone
+import datetime
 
 
 def storage_information_view(request):
-    # Программируем здесь
+    non_closed_visits = []
+    not_leaved_visit = Visit.objects.filter(leaved_at=None)
+    now = datetime.datetime.now(timezone.utc)
+
+    for visit in not_leaved_visit:
+        entered = localtime(visit.entered_at)
+
+        non_closed_visits.append(
+            {
+                "who_entered": visit.passcard.owner_name,
+                "entered_at": entered,
+                "duration": visit.format_duration(now - entered),
+                "is_strange": visit.is_visit_long(),
+            }
+        )
 
-    non_closed_visits = [
-        {
-            'who_entered': 'Richard Shaw',
-            'entered_at': '11-04-2018 25:34',
-            'duration': '25:03',
-        }
-    ]
     context = {
-        'non_closed_visits': non_closed_visits,  # не закрытые посещения
+        "non_closed_visits": non_closed_visits,
     }
-    return render(request, 'storage_information.html', context)
+    return render(request, "storage_information.html", context)

main.py

@@ -2,5 +2,5 @@
 
 from django.core.management import execute_from_command_line
 
-os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'project.settings')
-execute_from_command_line('manage.py runserver 0.0.0.0:8000'.split())
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "project.settings")
+execute_from_command_line("manage.py runserver 0.0.0.0:8000".split())