Merge remote-tracking branch 'inventree/master' into build-fixes

# Conflicts:
#	InvenTree/locale/de/LC_MESSAGES/django.po
#	InvenTree/locale/en/LC_MESSAGES/django.po
#	InvenTree/locale/es/LC_MESSAGES/django.po
#	InvenTree/templates/js/build.html

InvenTree/InvenTree/helpers.py

@@ -120,6 +120,19 @@ def str2bool(text, test=True):
         return str(text).lower() in ['0', 'n', 'no', 'none', 'f', 'false', 'off', ]
 
 
+def is_bool(text):
+    """
+    Determine if a string value 'looks' like a boolean.
+    """
+
+    if str2bool(text, True):
+        return True
+    elif str2bool(text, False):
+        return True
+    else:
+        return False
+
+
 def isNull(text):
     """
     Test if a string 'looks' like a null value.

InvenTree/InvenTree/urls.py

@@ -39,6 +39,8 @@ from .views import IndexView, SearchView, DatabaseStatsView
 from .views import SettingsView, EditUserView, SetPasswordView, ColorThemeSelectView
 from .views import DynamicJsView
 
+from common.views import SettingEdit
+
 from .api import InfoView
 from .api import ActionPluginView
 
@@ -71,6 +73,7 @@ settings_urls = [
     url(r'^user/?', SettingsView.as_view(template_name='InvenTree/settings/user.html'), name='settings-user'),
     url(r'^theme/?', ColorThemeSelectView.as_view(), name='settings-theme'),
    
+    url(r'^global/?', SettingsView.as_view(template_name='InvenTree/settings/global.html'), name='settings-global'),
     url(r'^currency/?', SettingsView.as_view(template_name='InvenTree/settings/currency.html'), name='settings-currency'),
     url(r'^part/?', SettingsView.as_view(template_name='InvenTree/settings/part.html'), name='settings-part'),
     url(r'^stock/?', SettingsView.as_view(template_name='InvenTree/settings/stock.html'), name='settings-stock'),
@@ -78,6 +81,8 @@ settings_urls = [
     url(r'^purchase-order/?', SettingsView.as_view(template_name='InvenTree/settings/po.html'), name='settings-po'),
     url(r'^sales-order/?', SettingsView.as_view(template_name='InvenTree/settings/so.html'), name='settings-so'),
 
+    url(r'^(?P<pk>\d+)/edit/?', SettingEdit.as_view(), name='setting-edit'),
+
     # Catch any other urls
     url(r'^.*$', SettingsView.as_view(template_name='InvenTree/settings/user.html'), name='settings'),
 ]

InvenTree/InvenTree/views.py

@@ -128,9 +128,13 @@ class InvenTreeRoleMixin(PermissionRequiredMixin):
 
     def has_permission(self):
         """
-        Determine if the current user
+        Determine if the current user has specified permissions
         """
 
+        if self.permission_required:
+            # Ignore role-based permissions
+            return super().has_permission()
+
         roles_required = []
 
         if type(self.role_required) is str:

InvenTree/common/apps.py

@@ -1,5 +1,5 @@
 from django.apps import AppConfig
-from django.db.utils import OperationalError, ProgrammingError
+from django.db.utils import OperationalError, ProgrammingError, IntegrityError
 
 
 class CommonConfig(AppConfig):
@@ -32,7 +32,7 @@ class CommonConfig(AppConfig):
                 return
 
             # Default instance name
-            instance_name = 'InvenTree Server'
+            instance_name = InvenTreeSetting.get_default_value('INVENTREE_INSTANCE')
 
             # Use the old name if it exists
             if InvenTreeSetting.objects.filter(key='InstanceName').exists():
@@ -48,7 +48,7 @@ class CommonConfig(AppConfig):
                 value=instance_name
             )
 
-        except (OperationalError, ProgrammingError):
+        except (OperationalError, ProgrammingError, IntegrityError):
             # Migrations have not yet been applied - table does not exist
             pass
 
@@ -59,12 +59,12 @@ class CommonConfig(AppConfig):
 
         from .models import InvenTreeSetting
 
-        for key in InvenTreeSetting.DEFAULT_VALUES.keys():
+        for key in InvenTreeSetting.GLOBAL_SETTINGS.keys():
             try:
                 settings = InvenTreeSetting.objects.filter(key__iexact=key)
 
                 if settings.count() == 0:
-                    value = InvenTreeSetting.DEFAULT_VALUES[key]
+                    value = InvenTreeSetting.get_default_value(key)
 
                     print(f"Creating default setting for {key} -> '{value}'")
 
@@ -87,6 +87,6 @@ class CommonConfig(AppConfig):
                     setting.key = key
                     setting.save()
 
-            except (OperationalError, ProgrammingError):
+            except (OperationalError, ProgrammingError, IntegrityError):
                 # Table might not yet exist
                 pass

InvenTree/common/forms.py

@@ -33,6 +33,5 @@ class SettingEditForm(HelperForm):
         model = InvenTreeSetting
 
         fields = [
-            'key',
             'value'
         ]

InvenTree/common/models.py

@@ -11,10 +11,12 @@ import decimal
 
 from django.db import models
 from django.conf import settings
+
 from django.utils.translation import ugettext as _
 from django.core.validators import MinValueValidator, MaxValueValidator
 from django.core.exceptions import ValidationError
 
+import InvenTree.helpers
 import InvenTree.fields
 
 
@@ -27,34 +29,205 @@ class InvenTreeSetting(models.Model):
     even if that key does not exist.
     """
 
-    # Dict of default values for various internal settings
+    """
-    DEFAULT_VALUES = {
+    Dict of all global settings values:
-        # Global inventree settings
-        'INVENTREE_INSTANCE': 'InvenTree Server',
 
-        # Part settings
+    The key of each item is the name of the value as it appears in the database.
-        'PART_IPN_REGEX': '',
-        'PART_COPY_BOM': True,
-        'PART_COPY_PARAMETERS': True,
-        'PART_COPY_TESTS': True,
 
-        # Stock settings
+    Each global setting has the following parameters:
     
-        # Build Order settings
+    - name: Translatable string name of the setting (required)
-        'BUILDORDER_REFERENCE_PREFIX': 'BO',
+    - description: Translatable string description of the setting (required)
-        'BUILDORDER_REFERENCE_REGEX': '',
+    - default: Default value (optional)
+    - units: Units of the particular setting (optional)
+    - validator: Validation function for the setting (optional)
 
-        # Purchase Order Settings
+    The keys must be upper-case
-        'PURCHASEORDER_REFERENCE_PREFIX': 'PO',
+    """
 
-        # Sales Order Settings
+    GLOBAL_SETTINGS = {
-        'SALESORDER_REFERENCE_PREFIX': 'SO',
+
+        'INVENTREE_INSTANCE': {
+            'name': _('InvenTree Instance Name'),
+            'default': 'InvenTree server',
+            'description': _('String descriptor for the server instance'),
+        },
+
+        'INVENTREE_COMPANY_NAME': {
+            'name': _('Company name'),
+            'description': _('Internal company name'),
+            'default': 'My company name',
+        },
+
+        'PART_IPN_REGEX': {
+            'name': _('IPN Regex'),
+            'description': _('Regular expression pattern for matching Part IPN')
+        },
+
+        'PART_COPY_BOM': {
+            'name': _('Copy Part BOM Data'),
+            'description': _('Copy BOM data by default when duplicating a part'),
+            'default': True,
+            'validator': bool,
+        },
+
+        'PART_COPY_PARAMETERS': {
+            'name': _('Copy Part Parameter Data'),
+            'description': _('Copy parameter data by default when duplicating a part'),
+            'default': True,
+            'validator': bool,
+        },
+
+        'PART_COPY_TESTS': {
+            'name': _('Copy Part Test Data'),
+            'description': _('Copy test data by default when duplicating a part'),
+            'default': True,
+            'validator': bool
+        },
+
+        'BUILDORDER_REFERENCE_PREFIX': {
+            'name': _('Build Order Reference Prefix'),
+            'description': _('Prefix value for build order reference'),
+            'default': 'BO',
+        },
+
+        'BUILDORDER_REFERENCE_REGEX': {
+            'name': _('Build Order Reference Regex'),
+            'description': _('Regular expression pattern for matching build order reference')
+        },
+
+        'SALESORDER_REFERENCE_PREFIX': {
+            'name': _('Sales Order Reference Prefix'),
+            'description': _('Prefix value for sales order reference'),
+        },
+
+        'PURCHASEORDER_REFERENCE_PREFIX': {
+            'name': _('Purchase Order Reference Prefix'),
+            'description': _('Prefix value for purchase order reference'),
+        },
     }
 
     class Meta:
         verbose_name = "InvenTree Setting"
         verbose_name_plural = "InvenTree Settings"
 
+    @classmethod
+    def get_setting_name(cls, key):
+        """
+        Return the name of a particular setting.
+
+        If it does not exist, return an empty string.
+        """
+
+        key = str(key).strip().upper()
+
+        if key in cls.GLOBAL_SETTINGS:
+            setting = cls.GLOBAL_SETTINGS[key]
+            return setting.get('name', '')
+        else:
+            return ''
+
+    @classmethod
+    def get_setting_description(cls, key):
+        """
+        Return the description for a particular setting.
+
+        If it does not exist, return an empty string.
+        """
+
+        key = str(key).strip().upper()
+
+        if key in cls.GLOBAL_SETTINGS:
+            setting = cls.GLOBAL_SETTINGS[key]
+            return setting.get('description', '')
+        else:
+            return ''
+
+    @classmethod
+    def get_setting_units(cls, key):
+        """
+        Return the units for a particular setting.
+
+        If it does not exist, return an empty string.
+        """
+
+        key = str(key).strip().upper()
+
+        if key in cls.GLOBAL_SETTINGS:
+            setting = cls.GLOBAL_SETTINGS[key]
+            return setting.get('units', '')
+        else:
+            return ''
+
+    @classmethod
+    def get_setting_validator(cls, key):
+        """
+        Return the validator for a particular setting.
+
+        If it does not exist, return None
+        """
+
+        key = str(key).strip().upper()
+
+        if key in cls.GLOBAL_SETTINGS:
+            setting = cls.GLOBAL_SETTINGS[key]
+            return setting.get('validator', None)
+        else:
+            return None
+
+    @classmethod
+    def get_default_value(cls, key):
+        """
+        Return the default value for a particular setting.
+
+        If it does not exist, return an empty string
+        """
+
+        key = str(key).strip().upper()
+
+        if key in cls.GLOBAL_SETTINGS:
+            setting = cls.GLOBAL_SETTINGS[key]
+            return setting.get('default', '')
+        else:
+            return ''
+
+    @classmethod
+    def get_setting_object(cls, key):
+        """
+        Return an InvenTreeSetting object matching the given key.
+
+        - Key is case-insensitive
+        - Returns None if no match is made
+        """
+
+        key = str(key).strip().upper()
+
+        try:
+            setting = InvenTreeSetting.objects.filter(key__iexact=key).first()
+        except (InvenTreeSetting.DoesNotExist):
+            # Create the setting if it does not exist
+            setting = InvenTreeSetting.create(
+                key=key,
+                value=InvenTreeSetting.get_default_value(key)
+            )
+
+        return setting
+
+    @classmethod
+    def get_setting_pk(cls, key):
+        """
+        Return the primary-key value for a given setting.
+
+        If the setting does not exist, return None
+        """
+
+        setting = InvenTreeSetting.get_setting_object(cls)
+
+        if setting:
+            return setting.pk
+        else:
+            return None
+
     @classmethod
     def get_setting(cls, key, backup_value=None):
         """
@@ -64,17 +237,14 @@ class InvenTreeSetting(models.Model):
 
         # If no backup value is specified, atttempt to retrieve a "default" value
         if backup_value is None:
-            backup_value = InvenTreeSetting.DEFAULT_VALUES.get(key, None)
+            backup_value = cls.get_default_value(key)
 
-        try:
+        setting = InvenTreeSetting.get_setting_object(key)
-            settings = InvenTreeSetting.objects.filter(key__iexact=key)
 
-            if len(settings) > 0:
+        if setting:
-                return settings[0].value
+            return setting.value
         else:
             return backup_value
-        except InvenTreeSetting.DoesNotExist:
-            return backup_value
 
     @classmethod
     def set_setting(cls, key, value, user, create=True):
@@ -108,6 +278,59 @@ class InvenTreeSetting(models.Model):
 
     value = models.CharField(max_length=200, blank=True, unique=False, help_text=_('Settings value'))
 
+    @property
+    def name(self):
+        return InvenTreeSetting.get_setting_name(self.key)
+
+    @property
+    def description(self):
+        return InvenTreeSetting.get_setting_description(self.key)
+
+    @property
+    def units(self):
+        return InvenTreeSetting.get_setting_units(self.key)
+
+    def clean(self):
+        """
+        If a validator (or multiple validators) are defined for a particular setting key,
+        run them against the 'value' field.
+        """
+
+        super().clean()
+
+        validator = InvenTreeSetting.get_setting_validator(self.key)
+
+        if validator is not None:
+            self.run_validator(validator)
+
+    def run_validator(self, validator):
+        """
+        Run a validator against the 'value' field for this InvenTreeSetting object.
+        """
+
+        if validator is None:
+            return
+
+        # If a list of validators is supplied, iterate through each one
+        if type(validator) in [list, tuple]:
+            for v in validator:
+                self.run_validator(v)
+            
+            return
+
+        # Check if a 'type' has been specified for this value
+        if type(validator) == type:
+
+            if validator == bool:
+                # Value must "look like" a boolean value
+                if InvenTree.helpers.is_bool(self.value):
+                    # Coerce into either "True" or "False"
+                    self.value = str(InvenTree.helpers.str2bool(self.value))
+                else:
+                    raise ValidationError({
+                        'value': _('Value must be a boolean value')
+                    })
+
     def validate_unique(self, exclude=None):
         """ Ensure that the key:value pair is unique.
         In addition to the base validators, this ensures that the 'key'
@@ -123,6 +346,24 @@ class InvenTreeSetting(models.Model):
         except InvenTreeSetting.DoesNotExist:
             pass
 
+    def is_bool(self):
+        """
+        Check if this setting is required to be a boolean value
+        """
+
+        validator = InvenTreeSetting.get_setting_validator(self.key)
+
+        return validator == bool
+
+    def as_bool(self):
+        """
+        Return the value of this setting converted to a boolean value.
+
+        Warning: Only use on values where is_bool evaluates to true!
+        """
+
+        return InvenTree.helpers.str2bool(self.value)
+
 
 class Currency(models.Model):
     """

InvenTree/common/templates/common/edit_setting.html

@@ -0,0 +1,14 @@
+{% extends "modal_form.html" %}
+{% load i18n %}
+
+{% block pre_form_content %}
+
+{{ block.super }}
+<!--
+    <p>
+        <b>{{ name }}</b><br>
+        {{ description }}<br>
+        <i>{% trans "Current value" %}: {{ value }}</i>
+    </p>
+-->
+{% endblock %}

InvenTree/common/tests.py

@@ -35,14 +35,37 @@ class SettingsTest(TestCase):
 
         self.client.login(username='username', password='password')
 
+    def test_required_values(self):
+        """
+        - Ensure that every global setting has a name.
+        - Ensure that every global setting has a description.
+        """
+
+        for key in InvenTreeSetting.GLOBAL_SETTINGS.keys():
+
+            setting = InvenTreeSetting.GLOBAL_SETTINGS[key]
+
+            name = setting.get('name', None)
+
+            if name is None:
+                raise ValueError(f'Missing GLOBAL_SETTING name for {key}')
+
+            description = setting.get('description', None)
+
+            if description is None:
+                raise ValueError(f'Missing GLOBAL_SETTING description for {key}')
+
+            if not key == key.upper():
+                raise ValueError(f"GLOBAL_SETTINGS key '{key}' is not uppercase")
+
     def test_defaults(self):
         """
         Populate the settings with default values
         """
 
-        for key in InvenTreeSetting.DEFAULT_VALUES.keys():
+        for key in InvenTreeSetting.GLOBAL_SETTINGS.keys():
 
-            value = InvenTreeSetting.DEFAULT_VALUES[key]
+            value = InvenTreeSetting.get_default_value(key)
 
             InvenTreeSetting.set_setting(key, value, self.user)
 

InvenTree/common/views.py

@@ -6,8 +6,10 @@ Django views for interacting with common models
 from __future__ import unicode_literals
 
 from django.utils.translation import ugettext as _
+from django.forms import CheckboxInput
 
 from InvenTree.views import AjaxCreateView, AjaxUpdateView, AjaxDeleteView
+from InvenTree.helpers import str2bool
 
 from . import models
 from . import forms
@@ -46,3 +48,47 @@ class SettingEdit(AjaxUpdateView):
     model = models.InvenTreeSetting
     ajax_form_title = _('Change Setting')
     form_class = forms.SettingEditForm
+    ajax_template_name = "common/edit_setting.html"
+
+    def get_context_data(self, **kwargs):
+        """
+        Add extra context information about the particular setting object.
+        """
+
+        ctx = super().get_context_data(**kwargs)
+
+        setting = self.get_object()
+
+        ctx['key'] = setting.key
+        ctx['value'] = setting.value
+        ctx['name'] = models.InvenTreeSetting.get_setting_name(setting.key)
+        ctx['description'] = models.InvenTreeSetting.get_setting_description(setting.key)
+
+        return ctx
+
+    def get_form(self):
+        """
+        Override default get_form behaviour
+        """
+
+        form = super().get_form()
+        
+        setting = self.get_object()
+
+        if setting.is_bool():
+            form.fields['value'].widget = CheckboxInput()
+
+            self.object.value = str2bool(setting.value)
+            form.fields['value'].value = str2bool(setting.value)
+
+        name = models.InvenTreeSetting.get_setting_name(setting.key)
+
+        if name:
+            form.fields['value'].label = name
+
+        description = models.InvenTreeSetting.get_setting_description(setting.key)
+
+        if description:
+            form.fields['value'].help_text = description
+
+        return form

InvenTree/company/migrations/0024_unique_name_email_constraint.py

@@ -0,0 +1,38 @@
+from django.db import migrations, models
+
+
+def make_empty_email_field_null(apps, schema_editor):
+    Company = apps.get_model('company', 'Company')
+    for company in Company.objects.all():
+        if company.email == '':
+            company.email = None
+            company.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('company', '0023_auto_20200808_0715'),
+    ]
+
+    operations = [
+        # Allow email field to be NULL
+        migrations.AlterField(
+            model_name='company',
+            name='email',
+            field=models.EmailField(blank=True, help_text='Contact email address', max_length=254, null=True, unique=False, verbose_name='Email'),
+        ),
+        # Convert empty email string to NULL
+        migrations.RunPython(make_empty_email_field_null),
+        # Remove unique constraint on name field
+        migrations.AlterField(
+            model_name='company',
+            name='name',
+            field=models.CharField(help_text='Company name', max_length=100, verbose_name='Company name'),
+        ),
+        # Add unique constraint on name/email pair
+        migrations.AddConstraint(
+            model_name='company',
+            constraint=models.UniqueConstraint(fields=('name', 'email'), name='unique_name_email_pair'),
+        ),
+    ]

InvenTree/company/models.py

@@ -12,7 +12,7 @@ import math
 from django.utils.translation import gettext_lazy as _
 from django.core.validators import MinValueValidator
 from django.db import models
-from django.db.models import Sum, Q
+from django.db.models import Sum, Q, UniqueConstraint
 
 from django.apps import apps
 from django.urls import reverse
@@ -81,8 +81,11 @@ class Company(models.Model):
 
     class Meta:
         ordering = ['name', ]
+        constraints = [
+            UniqueConstraint(fields=['name', 'email'], name='unique_name_email_pair')
+        ]
 
-    name = models.CharField(max_length=100, blank=False, unique=True,
+    name = models.CharField(max_length=100, blank=False,
                             help_text=_('Company name'),
                             verbose_name=_('Company name'))
 
@@ -98,7 +101,8 @@ class Company(models.Model):
                              verbose_name=_('Phone number'),
                              blank=True, help_text=_('Contact phone number'))
 
-    email = models.EmailField(blank=True, verbose_name=_('Email'), help_text=_('Contact email address'))
+    email = models.EmailField(blank=True, null=True,
+                              verbose_name=_('Email'), help_text=_('Contact email address'))
 
     contact = models.CharField(max_length=100,
                                verbose_name=_('Contact'),

InvenTree/company/templates/company/company_base.html

@@ -23,23 +23,27 @@ InvenTree | {% trans "Company" %} - {{ company.name }}
 <hr>
 <h4>
     {{ company.name }}
-    {% if user.is_staff and roles.company.change %}
+    {% if user.is_staff and perms.company.change_company %}
     <a  href="{% url 'admin:company_company_change' company.pk %}"><span title="{% trans 'Admin view' %}" class='fas fa-user-shield'></span></a>
     {% endif %}
 </h4>
 <p>{{ company.description }}</p>
 <div class='btn-group action-buttons'>
-    {% if company.is_supplier %}
+    {% if company.is_supplier and roles.purchase_order.add %}
     <button type='button' class='btn btn-default' id='company-order-2' title='Create purchase order'>
         <span class='fas fa-shopping-cart'/>
     </button>
     {% endif %}
+    {% if perms.company.change_company %}
     <button type='button' class='btn btn-default' id='company-edit' title='Edit company information'>
         <span class='fas fa-edit icon-green'/>
     </button>
+    {% endif %}
+    {% if perms.company.delete_company %}
     <button type='button' class='btn btn-default' id='company-delete' title='Delete company'>
         <span class='fas fa-trash-alt icon-red'/>
     </button>
+    {% endif %}
 </div>
 {% endblock %}
 

InvenTree/company/templates/company/detail_part.html

@@ -9,17 +9,25 @@
 
 <hr>
 
+{% if roles.purchase_order.change %}
 <div id='button-toolbar' class='btn-group'>
+    {% if roles.purchase_order.add %}
     <button class="btn btn-success" id='part-create' title='{% trans "Create new supplier part" %}'>{% trans "New Supplier Part" %}</button>
+    {% endif %}
     <div class="dropdown" style="float: right;">
         <button class="btn btn-primary dropdown-toggle" type="button" data-toggle="dropdown">{% trans "Options" %}
         <span class="caret"></span></button>
         <ul class="dropdown-menu">
+            {% if roles.purchase_order.add %}
             <li><a href='#' id='multi-part-order' title='{% trans "Order parts" %}'>{% trans "Order Parts" %}</a></li>
+            {% endif %}
+            {% if roles.purchase_order.delete %}
             <li><a href='#' id='multi-part-delete' title='{% trans "Delete parts" %}'>{% trans "Delete Parts" %}</a></li>
+            {% endif %}
         </ul>
     </div>
 </div>
+{% endif %}
 
 <table class='table table-striped table-condensed' id='part-table' data-toolbar='#button-toolbar'>
 </table>

InvenTree/company/templates/company/index.html

@@ -12,12 +12,13 @@ InvenTree | {% trans "Supplier List" %}
 <h3>{{ title }}</h3>
 <hr>
 
+{% if pagetype == 'manufacturers' and roles.purchase_order.add or pagetype == 'suppliers' and roles.purchase_order.add or pagetype == 'customers' and roles.sales_order.add %}
 <div id='button-toolbar'>
     <div class='btn-group'>
         <button type='button' class="btn btn-success" id='new-company'>{{ button_text }}</button>
     </div>
 </div>
-
+{% endif %}
 
 <table class='table table-striped' id='company-table' data-toolbar='#button-toolbar'>
 </table>

InvenTree/company/templates/company/purchase_orders.html

@@ -9,6 +9,7 @@
 <h4>{% trans "Purchase Orders" %}</h4>
 <hr>
 
+{% if roles.purchase_order.add %}
 <div id='button-bar'>
     <div class='button-toolbar container-fluid' style='float: right;'>
         <button class='btn btn-primary' type='button' id='company-order2' title='{% trans "Create new purchase order" %}'>{% trans "New Purchase Order" %}</button>
@@ -17,6 +18,7 @@
         </div>
     </div>
 </div>
+{% endif %}
 
 <table class='table table-striped table-condensed po-table' id='purchase-order-table' data-toolbar='#button-bar'>
 </table>

InvenTree/company/templates/company/sales_orders.html

@@ -9,6 +9,7 @@
 <h4>{% trans "Sales Orders" %}</h4>
 <hr>
 
+{% if roles.sales_order.add %}
 <div id='button-bar'>
     <div class='button-toolbar container-fluid' style='float: right;'>
         <button class='btn btn-primary' type='button' id='new-sales-order' title='{% trans "Create new sales order" %}'>{% trans "New Sales Order" %}</button>
@@ -17,6 +18,7 @@
         </div>
     </div>
 </div>
+{% endif %}
 
 <table class='table table-striped table-condensed po-table' id='sales-order-table' data-toolbar='#button-bar'>
 </table>

InvenTree/company/templates/company/supplier_part_base.html

@@ -18,19 +18,27 @@ src="{% static 'img/blank_image.png' %}"
 {% block page_data %}
 <h3>{% trans "Supplier Part" %}</h3>
 <p>{{ part.supplier.name }} - {{ part.SKU }}</p>
+
+{% if roles.purchase_order.change %}
 <div class='btn-row'>
     <div class='btn-group action-buttons' role='group'>
+        {% if roles.purchase_order.add %}
         <button type='button' class='btn btn-default btn-glyph' id='order-part' title='{% trans "Order part" %}'>
             <span class='fas fa-shopping-cart'></span>
         </button>
+        {% endif %}
         <button type='button' class='btn btn-default btn-glyph' id='edit-part' title='{% trans "Edit supplier part" %}'>
             <span class='fas fa-edit icon-green'/>
         </button>
+        {% if roles.purchase_order.delete %}
         <button type='button' class='btn btn-default btn-glyph' id='delete-part' title='{% trans "Delete supplier part" %}'>
             <span class='fas fa-trash-alt icon-red'/>
         </button>
+        {% endif %}
     </div>
 </div>
+{% endif %}
+
 {% endblock %}
 
 {% block page_details %}

InvenTree/company/templates/company/supplier_part_orders.html

@@ -10,11 +10,13 @@
 
 <hr>
 
+{% if roles.purchase_order.add %}
 <div id='button-bar'>
     <div class='btn-group'>
         <button class='btn btn-primary' type='button' id='order-part2' title='Order part'>Order Part</button>
     </div>
 </div>
+{% endif %}
     
 <table class='table table-striped table-condensed po-table' id='purchase-order-table' data-toolbar='#button-bar'>
 </table>

InvenTree/company/templates/company/supplier_part_pricing.html

@@ -11,9 +11,11 @@
 
 <hr>
 
+{% if roles.purchase_order.add %}
 <div id='price-break-toolbar' class='btn-group'>
     <button class='btn btn-primary' id='new-price-break' type='button'>{% trans "Add Price Break" %}</button>
 </div>
+{% endif %}
 
 <table class='table table-striped table-condensed' id='price-break-table' data-toolbar='#price-break-toolbar'>    
 </table>

InvenTree/company/test_views.py

@@ -6,6 +6,7 @@ from __future__ import unicode_literals
 from django.test import TestCase
 from django.urls import reverse
 from django.contrib.auth import get_user_model
+from django.contrib.auth.models import Group
 
 from .models import SupplierPart
 
@@ -25,7 +26,24 @@ class CompanyViewTest(TestCase):
 
         # Create a user
         User = get_user_model()
-        User.objects.create_user('username', 'user@email.com', 'password')
+        self.user = User.objects.create_user(
+            username='username',
+            email='user@email.com',
+            password='password'
+        )
+
+        # Put the user into a group with the correct permissions
+        group = Group.objects.create(name='mygroup')
+        self.user.groups.add(group)
+
+        # Give the group *all* the permissions!
+        for rule in group.rule_sets.all():
+            rule.can_view = True
+            rule.can_change = True
+            rule.can_add = True
+            rule.can_delete = True
+
+            rule.save()
 
         self.client.login(username='username', password='password')
 

InvenTree/company/views.py

@@ -14,6 +14,7 @@ from django.forms import HiddenInput
 
 from InvenTree.views import AjaxCreateView, AjaxUpdateView, AjaxDeleteView
 from InvenTree.helpers import str2bool
+from InvenTree.views import InvenTreeRoleMixin
 
 from common.models import Currency
 
@@ -29,7 +30,7 @@ from .forms import EditSupplierPartForm
 from .forms import EditPriceBreakForm
 
 
-class CompanyIndex(ListView):
+class CompanyIndex(InvenTreeRoleMixin, ListView):
     """ View for displaying list of companies
     """
 
@@ -37,6 +38,7 @@ class CompanyIndex(ListView):
     template_name = 'company/index.html'
     context_object_name = 'companies'
     paginate_by = 50
+    permission_required = 'company.view_company'
 
     def get_context_data(self, **kwargs):
 
@@ -116,8 +118,8 @@ class CompanyNotes(UpdateView):
     context_object_name = 'company'
     template_name = 'company/notes.html'
     model = Company
-
     fields = ['notes']
+    permission_required = 'company.view_company'
 
     def get_success_url(self):
         return reverse('company-notes', kwargs={'pk': self.get_object().id})
@@ -137,6 +139,7 @@ class CompanyDetail(DetailView):
     template_name = 'company/detail.html'
     queryset = Company.objects.all()
     model = Company
+    permission_required = 'company.view_company'
 
     def get_context_data(self, **kwargs):
         ctx = super().get_context_data(**kwargs)
@@ -150,6 +153,7 @@ class CompanyImage(AjaxUpdateView):
     ajax_template_name = 'modal_form.html'
     ajax_form_title = _('Update Company Image')
     form_class = CompanyImageForm
+    permission_required = 'company.change_company'
 
     def get_data(self):
         return {
@@ -164,6 +168,7 @@ class CompanyEdit(AjaxUpdateView):
     context_object_name = 'company'
     ajax_template_name = 'modal_form.html'
     ajax_form_title = _('Edit Company')
+    permission_required = 'company.change_company'
 
     def get_data(self):
         return {
@@ -177,6 +182,7 @@ class CompanyCreate(AjaxCreateView):
     context_object_name = 'company'
     form_class = EditCompanyForm
     ajax_template_name = 'modal_form.html'
+    permission_required = 'company.add_company'
 
     def get_form_title(self):
 
@@ -230,6 +236,7 @@ class CompanyDelete(AjaxDeleteView):
     ajax_template_name = 'company/delete.html'
     ajax_form_title = _('Delete Company')
     context_object_name = 'company'
+    permission_required = 'company.delete_company'
 
     def get_data(self):
         return {
@@ -243,6 +250,7 @@ class SupplierPartDetail(DetailView):
     template_name = 'company/supplier_part_detail.html'
     context_object_name = 'part'
     queryset = SupplierPart.objects.all()
+    permission_required = 'purchase_order.view'
 
     def get_context_data(self, **kwargs):
         ctx = super().get_context_data(**kwargs)
@@ -258,6 +266,7 @@ class SupplierPartEdit(AjaxUpdateView):
     form_class = EditSupplierPartForm
     ajax_template_name = 'modal_form.html'
     ajax_form_title = _('Edit Supplier Part')
+    role_required = 'purchase_order.change'
 
 
 class SupplierPartCreate(AjaxCreateView):
@@ -268,6 +277,7 @@ class SupplierPartCreate(AjaxCreateView):
     ajax_template_name = 'modal_form.html'
     ajax_form_title = _('Create new Supplier Part')
     context_object_name = 'part'
+    role_required = 'purchase_order.add'
 
     def get_form(self):
         """ Create Form instance to create a new SupplierPart object.
@@ -327,6 +337,7 @@ class SupplierPartDelete(AjaxDeleteView):
     success_url = '/supplier/'
     ajax_template_name = 'company/partdelete.html'
     ajax_form_title = _('Delete Supplier Part')
+    role_required = 'purchase_order.delete'
 
     parts = []
 
@@ -398,6 +409,7 @@ class PriceBreakCreate(AjaxCreateView):
     form_class = EditPriceBreakForm
     ajax_form_title = _('Add Price Break')
     ajax_template_name = 'modal_form.html'
+    role_required = 'purchase_order.add'
 
     def get_data(self):
         return {
@@ -440,6 +452,7 @@ class PriceBreakEdit(AjaxUpdateView):
     form_class = EditPriceBreakForm
     ajax_form_title = _('Edit Price Break')
     ajax_template_name = 'modal_form.html'
+    role_required = 'purchase_order.change'
 
     def get_form(self):
 
@@ -455,3 +468,4 @@ class PriceBreakDelete(AjaxDeleteView):
     model = SupplierPriceBreak
     ajax_form_title = _("Delete Price Break")
     ajax_template_name = 'modal_delete_form.html'
+    role_required = 'purchase_order.delete'

InvenTree/order/templates/order/sales_order_detail.html

@@ -13,9 +13,11 @@
 
 <h4>{% trans "Sales Order Items" %}</h4>
 
+{% if roles.sales_order.change %}
 <div id='order-toolbar-buttons' class='btn-group' style='float: right;'>
     <button type='button' class='btn btn-default' id='new-so-line'>{% trans "Add Line Item" %}</button>
 </div>
+{% endif %}
 
 <table class='table table-striped table-condensed' id='so-lines-table' data-toolbar='#order-toolbar-buttons'>
 

InvenTree/part/templates/part/notes.html

@@ -37,7 +37,9 @@
 <hr>
 <div class='panel panel-default'>
     <div class='panel-content'>
+        {% if part.notes %}
         {{ part.notes | markdownify }}
+        {% endif %}
     </div>
 </div>
 

InvenTree/part/templatetags/inventree_extras.py

@@ -5,7 +5,8 @@ import os
 
 from django import template
 from InvenTree import version, settings
-from InvenTree.helpers import decimal2string
+
+import InvenTree.helpers
 
 from common.models import InvenTreeSetting, ColorTheme
 
@@ -29,7 +30,14 @@ def define(value, *args, **kwargs):
 def decimal(x, *args, **kwargs):
     """ Simplified rendering of a decimal number """
 
-    return decimal2string(x)
+    return InvenTree.helpers.decimal2string(x)
+
+
+@register.simple_tag()
+def str2bool(x, *args, **kwargs):
+    """ Convert a string to a boolean value """
+
+    return InvenTree.helpers.str2bool(x)
 
 
 @register.simple_tag()
@@ -41,7 +49,7 @@ def inrange(n, *args, **kwargs):
 @register.simple_tag()
 def multiply(x, y, *args, **kwargs):
     """ Multiply two numbers together """
-    return decimal2string(x * y)
+    return InvenTree.helpers.decimal2string(x * y)
 
 
 @register.simple_tag()
@@ -54,7 +62,7 @@ def add(x, y, *args, **kwargs):
 def part_allocation_count(build, part, *args, **kwargs):
     """ Return the total number of <part> allocated to <build> """
 
-    return decimal2string(build.getAllocatedQuantity(part))
+    return InvenTree.helpers.decimal2string(build.getAllocatedQuantity(part))
 
 
 @register.simple_tag()
@@ -100,8 +108,15 @@ def inventree_docs_url(*args, **kwargs):
 
 
 @register.simple_tag()
-def inventree_setting(key, *args, **kwargs):
+def setting_object(key, *args, **kwargs):
-    return InvenTreeSetting.get_setting(key, backup_value=kwargs.get('backup', None))
+    """
+    Return a setting object speciifed by the given key
+    (Or return None if the setting does not exist)
+    """
+
+    setting = InvenTreeSetting.get_setting_object(key)
+
+    return setting
 
 
 @register.simple_tag()

InvenTree/templates/InvenTree/settings/build.html

@@ -15,17 +15,8 @@
 <table class='table table-striped table-condensed'>
     <thead></thead>
     <tbody>
-        <tr>
+        {% include "InvenTree/settings/setting.html" with key="BUILDORDER_REFERENCE_PREFIX" %}
-            <th>{% trans "Reference Prefix" %}</th>
+        {% include "InvenTree/settings/setting.html" with key="BUILDORDER_REFERENCE_REGEX" %}
-            <th>{% inventree_setting 'BUILDORDER_REFERENCE_PREFIX' backup='BO' %}</th>
-            <td>{% trans "Prefix for Build Order reference" %}</td>
-        </tr>
-        <tr>
-            <th>{% trans "Reference Regex" %}</th>
-            <th>{% inventree_setting 'BUILDORDER_REFERENCE_REGEX' %}</th>
-            <td>{% trans "Regex validator for Build Order reference" %}</td>
-            <td></td>
-        </tr>
     </tbody>
 </table>
 

InvenTree/templates/InvenTree/settings/global.html

@@ -0,0 +1,23 @@
+{% extends "InvenTree/settings/settings.html" %}
+{% load i18n %}
+{% load inventree_extras %}
+
+{% block tabs %}
+{% include "InvenTree/settings/tabs.html" with tab='global' %}
+{% endblock %}
+
+{% block subtitle %}
+{% trans "Global InvenTree Settings" %}
+{% endblock %}
+
+{% block settings %}
+
+<table class='table table-striped table-condensed'>
+    <thead></thead>
+    <tbody>
+        {% include "InvenTree/settings/setting.html" with key="INVENTREE_INSTANCE" %}
+        {% include "InvenTree/settings/setting.html" with key="INVENTREE_COMPANY_NAME" %}
+    </tbody>
+</table>
+
+{% endblock %}

InvenTree/templates/InvenTree/settings/part.html

@@ -11,6 +11,16 @@
 
 {% block settings %}
 
+<table class='table table-striped table-condensed'>
+    <thead></thead>
+    <tbody>
+        {% include "InvenTree/settings/setting.html" with key="PART_IPN_REGEX" %}
+        {% include "InvenTree/settings/setting.html" with key="PART_COPY_BOM" %}
+        {% include "InvenTree/settings/setting.html" with key="PART_COPY_PARAMETERS" %}
+        {% include "InvenTree/settings/setting.html" with key="PART_COPY_TESTS" %}
+    </tbody>
+</table>
+
 <h4>{% trans "Part Parameter Templates" %}</h4>
 
 <div id='param-buttons'>
@@ -53,7 +63,7 @@
                     var bEdit = "<button title='{% trans "Edit Template" %}' class='template-edit btn btn-default btn-glyph' type='button' pk='" + row.pk + "'><span class='fas fa-edit'></span></button>";
                     var bDel = "<button title='{% trans "Delete Template" %}' class='template-delete btn btn-default btn-glyph' type='button' pk='" + row.pk + "'><span class='fas fa-trash-alt icon-red'></span></button>";
 
-                    var html = "<div class='btn-group' role='group'>" + bEdit + bDel + "</div>";
+                    var html = "<div class='btn-group float-right' role='group'>" + bEdit + bDel + "</div>";
 
                     return html;
                 }

InvenTree/templates/InvenTree/settings/po.html

@@ -10,4 +10,10 @@
 {% endblock %}
 
 {% block settings %}
+<table class='table table-striped table-condensed'>
+    <thead></thead>
+    <tbody>
+        {% include "InvenTree/settings/setting.html" with key="PURCHASEORDER_REFERENCE_PREFIX" %}
+    </tbody>
+</table>
 {% endblock %}

InvenTree/templates/InvenTree/settings/setting.html

@@ -0,0 +1,29 @@
+{% load inventree_extras %}
+{% load i18n %}
+
+{% setting_object key as setting %}
+<tr>
+    <td><b>{{ setting.name }}</b></td>
+    <td>
+        {% if setting.is_bool %}
+        <div>
+            <input fieldname='{{ setting.key }}' class='slidey' type='checkbox' data-offstyle='warning' data-onstyle='success' data-size='small' data-toggle='toggle' disabled autocomplete='off' {% if setting.as_bool %}checked=''{% endif %}>
+        </div>
+        {% else %}
+        {% if setting.value %}
+        <b>{{ setting.value }}</b>{{ setting.units }}</td>
+        {% else %}
+        <i>{% trans "No value set" %}</i>
+        {% endif %}
+        {% endif %}
+    <td>
+        {{ setting.description }}
+    </td>
+    <td>
+        <div class='btn-group float-right'>
+            <button class='btn btn-default btn-glyph btn-edit-setting' pk='{{ setting.pk }}' setting='{{ key }}' title='{% trans "Edit setting" %}'>
+                <span class='fas fa-edit icon-green'></span>
+            </button>
+        </div>
+    </td>
+</tr>

InvenTree/templates/InvenTree/settings/settings.html

@@ -37,3 +37,20 @@ InvenTree | {% trans "Settings" %}
 {% block js_load %}
 {{ block.super }}
 {% endblock %}
+
+{% block js_ready %}
+{{ block.super }}
+
+$('table').find('.btn-edit-setting').click(function() {
+    var setting = $(this).attr('setting');
+    var pk = $(this).attr('pk');
+
+    launchModalForm(
+        `/settings/${pk}/edit/`,
+        {
+            reload: true,
+        }
+    );
+});
+
+{% endblock %}

InvenTree/templates/InvenTree/settings/so.html

@@ -10,4 +10,12 @@
 {% endblock %}
 
 {% block settings %}
+
+<table class='table table-striped table-condensed'>
+    <thead></thead>
+    <tbody>
+        {% include "InvenTree/settings/setting.html" with key="SALESORDER_REFERENCE_PREFIX" %}
+    </tbody>
+</table>
+
 {% endblock %}

InvenTree/templates/InvenTree/settings/tabs.html

@@ -9,8 +9,12 @@
         <a href="{% url 'settings-theme' %}"><span class='fas fa-fill'></span> {% trans "Theme" %}</a>
     </li>
 </ul>
+{% if user.is_staff %}
 <h4><span class='fas fa-cogs'></span> {% trans "InvenTree Settings" %}</h4>
 <ul class='nav nav-pills nav-stacked'>
+    <li {% if tab == 'global' %} class='active' {% endif %}>
+        <a href='{% url "settings-global" %}'><span class='fas fa-globe'></span> {% trans "Global" %}</a>
+    </li>
     <li{% ifequal tab 'currency' %} class='active'{% endifequal %}>
         <a href="{% url 'settings-currency' %}"><span class='fas fa-dollar-sign'></span> {% trans "Currency" %}</a>
     </li>
@@ -30,3 +34,4 @@
         <a href="{% url 'settings-so' %}"><span class='fas fa-truck'></span> {% trans "Sales Orders" %}</a>
     </li>
 </ul>
+{% endif %}

InvenTree/templates/js/order.js

@@ -139,7 +139,7 @@ function loadPurchaseOrderTable(table, options) {
                 title: '{% trans "Purchase Order" %}',
                 formatter: function(value, row, index, field) {
 
-                    var prefix = "{% inventree_setting 'PURCHASEORDER_REFERENCE_PREFIX' %}";
+                    var prefix = "{% settings_value 'PURCHASEORDER_REFERENCE_PREFIX' %}";
 
                     if (prefix) {
                         value = `${prefix}${value}`;
@@ -221,7 +221,7 @@ function loadSalesOrderTable(table, options) {
                 title: '{% trans "Sales Order" %}',
                 formatter: function(value, row, index, field) {
 
-                    var prefix = "{% inventree_setting 'SALESORDER_REFERENCE_PREFIX' %}";
+                    var prefix = "{% settings_value 'SALESORDER_REFERENCE_PREFIX' %}";
 
                     if (prefix) {
                         value = `${prefix}${value}`;