feat: add exact shifts functionality to Worker class and update related logic in RotaBuilder

djangorota/rota/forms.py

@@ -45,6 +45,7 @@ class WorkerForm(forms.ModelForm):
     # Complex structured options edited as JSON
     assign_as_block_preferences = forms.CharField(required=False, widget=forms.Textarea, help_text="JSON mapping shift_name->weight", label="Block preferences (JSON)")
     shift_fte_overrides = forms.CharField(required=False, widget=forms.Textarea, help_text="JSON mapping shift_name->fte", label="Shift FTE overrides (JSON)")
+    exact_shifts = forms.CharField(required=False, widget=forms.Textarea, help_text="JSON mapping shift_name->exact_count", label="Exact shifts (JSON)")
     previous_shifts = forms.CharField(required=False, widget=forms.Textarea, help_text="Free JSON structure for previous shifts", label="Previous shifts (JSON)")
     shift_balance_extra = forms.CharField(required=False, widget=forms.Textarea, help_text="JSON structure for extra shift-balance penalties", label="Shift balance extra (JSON)")
     allowed_multi_shift_sets = forms.CharField(required=False, widget=forms.Textarea, help_text="JSON list of sets (e.g. [[\"a\",\"b\"], ...])", label="Allowed multi-shift sets (JSON)")
@@ -94,6 +95,7 @@ class WorkerForm(forms.ModelForm):
         for json_fld in [
             "assign_as_block_preferences",
             "shift_fte_overrides",
+            "exact_shifts",
             "previous_shifts",
             "shift_balance_extra",
             "allowed_multi_shift_sets",
@@ -146,6 +148,7 @@ class WorkerForm(forms.ModelForm):
         json_fields = [
             "assign_as_block_preferences",
             "shift_fte_overrides",
+            "exact_shifts",
             "previous_shifts",
             "shift_balance_extra",
             "allowed_multi_shift_sets",

djangorota/rota/models.py

@@ -229,6 +229,7 @@ class Worker(models.Model):
 					"max_shifts_per_week_by_shift_name",
 					"assign_as_block_preferences",
 					"shift_fte_overrides",
+					"exact_shifts",
 				]
 				list_keys = [
 					"oop",