Parameter filtering (#4823)

* adds new field 'parameter type' to PartParameterTemplate model

* Move part parameter settings onto their own page

* Add "choices" and "regex" template types

* Adds validation for PartParameter based on template type

* javascript cleanup

* Fix for serializers.py

* Add unit testing for parameter validation

* Add filters

* Rename "type" field to "param_type"

- Should have seen that one coming

* Coerce 'boolean' value to True/False

* table update

* js linting

* Add requirement for "pint" package

* Add validator for physical unit types

- Revert a previous migration which adds "parameter type" and "validator" fields
- These will get implemented later, too much scope creep for this PR
- Add unit test for validation of "units" field

* Update PartParameter model

- Add data_numeric field (will be used later)
- Add MinLengthValidator to data field

* Run validation for part parameter data

- Ensure it can be converted to internal units

* Update admin interface to display partparameter values inline for a part

* Adds validation of part parameter data value

- Also converts to base units, and stores as "numeric" value
- Display "numeric" value in tables
- Create new file conversion.py for data conversion

* Update unit tests and fix some bugs

* Update docstring

* Add units to parameter columns in parameteric part table

* Allow part list to be ordered by a particular parameter value

- Annotate queryset with new "order_by_parameter" method
- Skeleton method for future work

* Bump API version

* Adds unit testing for sorting parts by parameter value

* Update historical data migrations

- Turns out RunPython.noop is a thing?

* Cache the unit registry

- Creating the unit registry takes a significant amount of time
- Construct when first called, and then cache for subsequent hits
- Massive improvement in performance

* Throw error on empty values when converting between units

* Data migration for converting existing part parameter values

* Handle more error cases

* Show parameteric table on top-level part page too

* Unit test for data migration

* Update credits in docs

* Improved error checking

* WIP docs updates

* Fix parameteric table filtering

* remove zoom property

* Fix for import path

* Update parameter docs

* Run background task to rebuild parameters when template changes

* Make "data_numeric" field nullable

- Defaulting to zero is not appropriate, as the actual value may be zero
- Sorting still seems to work just fine

* Fixes for unit test

* More unit test fixes

* Further fixes for unit tests

---------

Co-authored-by: Matthias Mair <code@mjmair.com>

InvenTree/stock/migrations/0061_auto_20210511_0911.py

@@ -203,12 +203,6 @@ def update_history(apps, schema_editor):
         print(f"\n==========================\nUpdated {update_count} StockItemHistory entries")  # pragma: no cover
 
 
-def reverse_update(apps, schema_editor):
-    """
-    """
-    pass  # pragma: no cover
-
-
 class Migration(migrations.Migration):
 
     dependencies = [
@@ -216,5 +210,5 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
-        migrations.RunPython(update_history, reverse_code=reverse_update)
+        migrations.RunPython(update_history, reverse_code=migrations.RunPython.noop)
     ]

InvenTree/stock/migrations/0064_auto_20210621_1724.py

@@ -60,12 +60,6 @@ def extract_purchase_price(apps, schema_editor):
     if update_count > 0:  # pragma: no cover
         print(f"Updated pricing for {update_count} stock items")
 
-def reverse_operation(apps, schema_editor):  # pragma: no cover
-    """
-    DO NOTHING!
-    """
-    pass
-
 
 class Migration(migrations.Migration):
 
@@ -74,5 +68,5 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
-        migrations.RunPython(extract_purchase_price, reverse_code=reverse_operation)
+        migrations.RunPython(extract_purchase_price, reverse_code=migrations.RunPython.noop)
     ]

InvenTree/stock/migrations/0069_auto_20211109_2347.py

@@ -36,13 +36,6 @@ def update_serials(apps, schema_editor):
         item.save()
 
 
-def nupdate_serials(apps, schema_editor):  # pragma: no cover
-    """
-    Provided only for reverse migration compatibility
-    """
-    pass
-
-
 class Migration(migrations.Migration):
 
     dependencies = [
@@ -52,6 +45,6 @@ class Migration(migrations.Migration):
     operations = [
         migrations.RunPython(
             update_serials,
-            reverse_code=nupdate_serials,
+            reverse_code=migrations.RunPython.noop,
         )
     ]

InvenTree/stock/migrations/0071_auto_20211205_1733.py

@@ -35,10 +35,6 @@ def delete_scheduled(apps, schema_editor):
     Task.objects.filter(func='stock.tasks.delete_old_stock_items').delete()
 
 
-def reverse(apps, schema_editor):  # pragma: no cover
-    pass
-
-
 class Migration(migrations.Migration):
 
     dependencies = [
@@ -48,6 +44,6 @@ class Migration(migrations.Migration):
     operations = [
         migrations.RunPython(
             delete_scheduled,
-            reverse_code=reverse,
+            reverse_code=migrations.RunPython.noop,
         )
     ]

InvenTree/stock/migrations/0081_auto_20220801_0044.py

@@ -34,13 +34,6 @@ def update_pathstring(apps, schema_editor):
         print(f"\n--- Updated 'pathstring' for {n} StockLocation objects ---\n")
 
 
-def nupdate_pathstring(apps, schema_editor):
-    """Empty function for reverse migration compatibility"""
-
-    pass
-
-
-
 class Migration(migrations.Migration):
 
     dependencies = [
@@ -50,6 +43,6 @@ class Migration(migrations.Migration):
     operations = [
         migrations.RunPython(
             update_pathstring,
-            reverse_code=nupdate_pathstring
+            reverse_code=migrations.RunPython.noop
         )
     ]

InvenTree/stock/migrations/0094_auto_20230220_0025.py

@@ -62,9 +62,6 @@ def fix_purchase_price(apps, schema_editor):
         logger.info(f"Corrected purchase_price field for {n_updated} stock items.")
 
 
-def reverse(apps, schema_editor):  # pragmae: no cover
-    pass
-
 class Migration(migrations.Migration):
 
     dependencies = [
@@ -74,6 +71,6 @@ class Migration(migrations.Migration):
     operations = [
         migrations.RunPython(
             fix_purchase_price,
-            reverse_code=reverse,
+            reverse_code=migrations.RunPython.noop,
         )
     ]

InvenTree/stock/migrations/0096_auto_20230330_1121.py

@@ -52,11 +52,6 @@ def update_stock_history(apps, schema_editor):
         print(f"Updated {n} StockItemTracking entries with SalesOrder data")
 
 
-def nope(apps, schema_editor):
-    """Provided for reverse migration compatibility"""
-    pass
-
-
 class Migration(migrations.Migration):
 
     dependencies = [
@@ -65,6 +60,6 @@ class Migration(migrations.Migration):
 
     operations = [
         migrations.RunPython(
-            update_stock_history, reverse_code=nope,
+            update_stock_history, reverse_code=migrations.RunPython.noop,
         )
     ]