loanmanagement.py

import logging

from django.core.validators import MinValueValidator
from django.http import HttpResponse, JsonResponse
from django.urls import include, re_path, path
from django.utils.translation import gettext_lazy as _
from django.shortcuts import render
from django.views.generic import RedirectView

from plugin import InvenTreePlugin
from stock.models import StockItem
from plugin.mixins import AppMixin, NavigationMixin, SettingsMixin, UrlsMixin, ActionMixin, PanelMixin
from stock.views import StockItemDetail


class LoaningManagementPlugin(AppMixin, ActionMixin, SettingsMixin, UrlsMixin, NavigationMixin, PanelMixin,
                              InvenTreePlugin):
    """
    Adds loaning management functionality to InvenTree.
    """

    # Plugin Metadata
    NAME = "Loan Management"
    SLUG = "loan"
    TITLE = "Loan Management"
    DESCRIPTION = "A plugin to manage loaning and tracking stock items."
    VERSION = "0.0.1"
    AUTHOR = "Joshua Miller, Kyle Wilt @ RPI"

    # Navigation
    NAVIGATION_TAB_NAME = "Loan"
    NAVIGATION_TAB_ICON = 'fas fa-handshake'

    NAVIGATION = [
        {
            'name': 'Loan Tracking',
            'link': 'plugin:loan:tracking',
            'icon': 'fas fa-clock'
        },
    ]

    # Settings
    SETTINGS = {
        'DEFAULT_LOAN_DURATION_DAYS': {
            'name': _('Default Loan Duration'),  # TODO Rewrite
            'description': "The default duration an item will be loaned for in days.",  # TODO Rewrite
            'default': 28,
            'validator': [
                int,
                MinValueValidator(0)
            ]
        },
    }

    # Custom Panels
    STOCK_ITEM_LOAN_PANEL_TITLE = "Loaning"

    def get_custom_panels(self, view, request):
        panels = []

        # Stock Item Loaning information panel
        if isinstance(view, StockItemDetail):
            panels.append({
                "title": LoaningManagementPlugin.STOCK_ITEM_LOAN_PANEL_TITLE,
                "icon": "fas fa-handshake",
                "content_template": "loaning_stats_panel.html",
                "javascript_template": "js/track.js",
            })

        return panels

    # URL Patterns for the plugin
    def setup_urls(self):
        from .urls import api_patterns
        from .views import LoanItemDetail, LoanTrackingDetail

        return [
            re_path(r'^api/', include(api_patterns), name="api"),
            re_path(r'^tracking/', LoanTrackingDetail.as_view(), name='tracking'),
            re_path(r'^', LoanTrackingDetail.as_view(), name='tracking')
        ]