Container type import from excel files

container/templates/container/container_type_detail.html

@@ -30,9 +30,6 @@
     </div>
   </div>
 
-<table>
-</table>
-
 <!-- Action buttons -->
 <div class="row">
 

container/templates/container/container_type_form.html

@@ -0,0 +1,18 @@
+{% extends "base.html" %}
+{% load static %}
+
+{% block title %}Edit Container: {{ container.named_id }}{% endblock %}
+
+{% block content %}
+<div class="container">
+<form method="post">
+{% csrf_token %}
+        {{ form.as_p }}
+        <div>
+                <input type="submit" class="btn btn-primary" value="Save">
+                <a class="btn btn-primary" href="{% url 'container:list' %}">Container List</a>
+        </div>
+</form>
+
+</div>
+{% endblock content %}

container/templates/container/container_type_import.html

@@ -0,0 +1,63 @@
+{% extends "base.html" %}
+{% load static %}
+
+{% block title %}Container Type Import{% endblock %}
+
+{% block content %}
+
+<div class="container">
+
+  <div class="row">
+    <div class="col-sm-12">
+        <h2>Container Type Import: {{ import_file }}</h2>
+        <form method="post" enctype="multipart/form-data">
+            {% csrf_token %}
+            {% if not import_file %}
+                <input type="file" id="import_file" name="import_file" class="form-control">
+            {% endif %}
+            {% if import_file %}
+                <label for="first_data_row">First data row:</label><input type="number" min="1" max="10" size="3" name="first_data_row" id="first_data_row" value="1"><br />
+                <input type="submit" class="btn btn-primary" value="import" name="import-cmd">
+            {% else %}
+                <input type="submit" class="btn btn-primary" value="show" name="show-cmd">
+            {% endif %}
+            <div>
+                {% if import_file %}
+                File to be imported: {{ import_file }}
+                {% endif %}
+                <br>
+                {% for file in FILES %}
+                File: {{ file.name }} ({{ file.size }} Bytes)
+                {% endfor %}
+            </div>
+            <div>
+                <table class="table">
+                    <tr>
+                        <td>Row</td>
+                        <td>ID</td>
+                        <td>Description</td>
+                        <td>Width</td>
+                        <td>Length</td>
+                        <td>Height</td>
+                        <td>Cover</td>
+                        <td>Inner Width</td>
+                        <td>Inner Length</td>
+                        <td>Inner Height</td>
+                        <td>Available</td>
+                        <td>Stores Container</td>
+                    </tr>
+                    {% for row in excel_data %}
+                        <tr>
+                        {% for col in row %}
+                            <td>{{ col }}<input type="hidden" value="{{ col }}" name="data_{{ row.0 }}_{{ forloop.counter }}"></td>
+                        {% endfor %}
+                        </tr>
+                    {% endfor %}
+                </table>
+            </div>
+        </form>
+    </div>
+  </div>
+</div>
+
+{% endblock content %}

container/templates/container/container_type_list.html

@@ -22,7 +22,7 @@
           <tbody>
               {% for ctype in container_type_list %}
                   <tr>
-                      <td><a href="{% url 'container:container_type_detail' ctype.id %}"><div>{{ ctype.named_id }}</div></a></td>
+                      <td><a href="{% url 'container:container_type_update' ctype.id %}"><div>{{ ctype.named_id }}</div></a></td>
                       <td><div>{{ ctype.description }}</div></td>
                       <td><div>{% if ctype.width %}{{ ctype.width }}x{{ ctype.length }}x{{ ctype.height }}{% endif %}</div></td>
                       <td><div>{% if ctype.inner_width %}{{ ctype.inner_width }}x{{ ctype.inner_length }}x{{ ctype.inner_height }}{% endif %}</div></td>
@@ -66,6 +66,9 @@
       <a class="btn btn-primary" href="{% url 'container:add' %}" role="button">+ Container</a>
       <a class="btn btn-primary" href="{% url 'asset:add' %}" role="button">+ Asset</a>
     </div>
+    <div class="col-sm-12">
+      <a class="btn btn-primary" href="{% url 'container:container_type_import' %}" role="button">Import Container Types</a>
+    </div>
 
   </div>
   <!-- End Action buttons -->

container/urls.py

@@ -1,19 +1,21 @@
 from django.urls import path
 
-from container.views import ContainerListView, ContainerUpdateView, ContainerCreateView, ContainerDetailView, ContainerDeleteView, ContainerPrintLabelView
+from container.views import ContainerListView, ContainerUpdateView, ContainerCreateView, ContainerDetailView, ContainerDeleteView, ContainerPrintLabelView, ContainerImportView
-from container.views import ContainerTypeListView, ContainerTypeDetailView, ContainerTypeCreateView, ContainerTypeUpdateView, ContainerTypeDeleteView
+from container.views import ContainerTypeListView, ContainerTypeDetailView, ContainerTypeCreateView, ContainerTypeUpdateView, ContainerTypeDeleteView, ContainerTypeImportView
 
 app_name = 'container'
 urlpatterns = [
     path('', ContainerListView.as_view(), name='list'),
     path('<int:pk>/', ContainerDetailView.as_view(), name='detail'),
     path('add/', ContainerCreateView.as_view(), name='add'),
+    path('import/', ContainerImportView.as_view(), name='container_import'),
     path('edit/<int:pk>/', ContainerUpdateView.as_view(), name='update'),
     path('label/<int:pk>/', ContainerPrintLabelView.as_view(), name='print_label'),
     path('delete/<int:pk>/', ContainerDeleteView.as_view(), name='delete'),
     path('type/', ContainerTypeListView.as_view(), name='container_type_list'),
     path('type/<int:pk>/', ContainerTypeDetailView.as_view(), name='container_type_detail'),
     path('type/add/', ContainerTypeCreateView.as_view(), name='container_type_add'),
+    path('type/import/', ContainerTypeImportView.as_view(), name='container_type_import'),
     path('type/edit/<int:pk>/', ContainerTypeUpdateView.as_view(), name='container_type_update'),
     path('type/delete/<int:pk>/', ContainerTypeDeleteView.as_view(), name='container_type_delete'),
 ]

container/views.py

@@ -1,6 +1,7 @@
 from django.views import generic
 from .models import Container, ContainerType
-import logging, json
+import logging, json, re
+from django.core.exceptions import ObjectDoesNotExist
 
 logger = logging.getLogger(__name__)
 
@@ -29,6 +30,23 @@ class ContainerCreateView(generic.CreateView):
         return super().form_valid(form)
 
 
+class ContainerImportView(generic.TemplateView):
+    template_name = 'container_import.html'
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        if 'start_import' in self.request.POST:
+            context['import_file'] = self.request.POST['import_file']
+
+        return context
+
+    def get(self, *args, **kwargs):
+        return super().get(self.request, args, **kwargs)
+
+    def post(self):
+        return super().render_to_response(self)
+
+
 class ContainerUpdateView(generic.UpdateView):
     model = Container
     # template_name = 'container/detail.html'
@@ -163,7 +181,7 @@ class ContainerTypeDetailView(generic.DetailView):
 
 class ContainerTypeCreateView(generic.CreateView):
     model = ContainerType
-    # template_name = 'container/detail.html'
+    template_name = 'container/container_type_form.html'
     fields = ['named_id', 'description', 'width', 'length', 'height', 'inner_width', 'inner_length', 'inner_height',
               'has_cover', 'contains_container']
 
@@ -176,6 +194,7 @@ class ContainerTypeCreateView(generic.CreateView):
 class ContainerTypeUpdateView(generic.UpdateView):
     model = ContainerType
     # template_name = 'container/detail.html'
+    template_name = 'container/container_type_form.html'
     fields = ['named_id', 'description', 'width', 'length', 'height', 'inner_width', 'inner_length', 'inner_height',
               'has_cover', 'contains_container']
 
@@ -186,3 +205,95 @@ class ContainerTypeUpdateView(generic.UpdateView):
 
 class ContainerTypeDeleteView(generic.DetailView):
     model = ContainerType
+
+
+class ContainerTypeImportView(generic.TemplateView):
+    template_name = 'container/container_type_import.html'
+
+    def get_context_data(self, **kwargs):
+        # print('get_context_data')
+        context = super().get_context_data(**kwargs)
+        context['import_file'] = self.request.FILES['import_file'] if 'import_file' in self.request.FILES else ''
+        if context['import_file'] != '':
+            # if 'show-cmd' in self.request.POST:
+                # print('Show button pressed')
+            context['filename'] = self.request.FILES['import_file'].name
+            context['filesize'] = self.request.FILES['import_file'].size
+            context['content_type'] = self.request.FILES['import_file'].content_type
+
+            import openpyxl as excel
+            workbook = excel.open(self.request.FILES['import_file'])
+            sheet = workbook.active
+            sheet_data = []
+            row_num = 1
+            for row in sheet.values:
+                row_data = [row_num]
+                row_num = row_num + 1
+                for col in row:
+                    row_data.append(col if col is not None else '')
+                sheet_data.append(row_data)
+
+            context['excel_data'] = sheet_data
+
+        return context
+
+    def post(self, request):
+        # print('POST method executed')
+        if 'import-cmd' in request.POST:
+            # print('import button pressed')
+            first_data_row = int(request.POST['first_data_row']) if 'first_data_row' in request.POST else 0
+            # context['first_data_row'] = first_data_row
+            # print('first_data_row=%d' % first_data_row)
+            p = re.compile(r'^data_(\d+)_(\d+)$')
+            import_data = {}
+            for key in request.POST:
+                match = p.match(key)
+                if match:
+                    key_row, key_col = match.group(1, 2)
+                    row_num = int(key_row)
+                    col_num = int(key_col)
+                    if row_num >= first_data_row:
+                        value = request.POST[key]
+                        if row_num not in import_data:
+                            import_data[row_num] = {}
+                        import_data[row_num][col_num] = value
+                        # print('Value row=%d, col=%d, value=%s' % (row_num, col_num, value))
+            for col in import_data:
+                c7 = import_data[col][7]
+                c12 = import_data[col][12]
+                has_cover = True if c7 == 'j' or c7 == 'J' or c7 == 'y' or c7 == 'Y' else False
+                contains_container = True if c12 == 'j' or c12 == 'J' or c12 == 'y' or c12 == 'Y' else False
+                try:
+                    ct = ContainerType.objects.get(named_id=import_data[col][2])
+                    # Update entry
+                    ct.description = None if import_data[col][3] == '' else import_data[col][3]
+                    ct.width = None if import_data[col][4] == '' else import_data[col][4]
+                    ct.length = None if import_data[col][5] == '' else import_data[col][5]
+                    ct.height = None if import_data[col][6] == '' else import_data[col][6]
+                    ct.inner_width = None if import_data[col][8] == '' else import_data[col][8]
+                    ct.inner_length = None if import_data[col][9] == '' else import_data[col][9]
+                    ct.inner_height = None if import_data[col][10] == '' else import_data[col][10]
+                    ct.has_cover = has_cover
+                    ct.contains_container = contains_container
+                    ct.changed_by_id = request.user.id
+                    # print('Updated %s' % import_data[col][2])
+                except ObjectDoesNotExist:
+                    # Create a new entry
+                    ct = ContainerType.objects.create(
+                        named_id=import_data[col][2],
+                        description=None if import_data[col][3] == '' else import_data[col][3],
+                        width=None if import_data[col][4] == '' else import_data[col][4],
+                        length=None if import_data[col][5] == '' else import_data[col][5],
+                        height=None if import_data[col][6] == '' else import_data[col][6],
+                        inner_width=None if import_data[col][8] == '' else import_data[col][8],
+                        inner_length=None if import_data[col][9] == '' else import_data[col][9],
+                        inner_height=None if import_data[col][10] == '' else import_data[col][10],
+                        has_cover=has_cover,
+                        contains_container=contains_container,
+                        created_by_id=request.user.id,
+                        changed_by_id=request.user.id
+                    )
+                    # print('Created %s' % import_data[col][2])
+                finally:
+                    ct.save()
+        return super().get(request)

homelog/settings.py

@@ -11,6 +11,7 @@ https://docs.djangoproject.com/en/3.2/ref/settings/
 """
 
 from pathlib import Path
+import os
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
@@ -128,3 +129,6 @@ STATICFILES_DIRS = [
 # https://docs.djangoproject.com/en/3.2/ref/settings/#default-auto-field
 
 DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+MEDIA_URL = '/media/'
+MEDIA_ROOT = os.path.join(BASE_DIR, 'media')