Let NHS Trusts and CCGs choose own organisation

All we do via support is ask which organisation they work for and
manually assign their service to it. This commit makes that process self
service.

We think we have all the trusts and clinical commissioning groups
loaded into the database now.

This will make the go live process smoother for these teams.

app/main/forms.py

@@ -591,6 +591,17 @@ class AddGPOrganisationForm(StripWhitespaceForm):
             field.data = ''
 
 
+class AddNHSLocalOrganisationForm(StripWhitespaceForm):
+
+    def __init__(self, *args, organisation_choices=None, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.organisations.choices = organisation_choices
+
+    organisations = RadioField(
+        'Which NHS Trust or Clinical Commissioning Group do you work for?',
+    )
+
+
 class OrganisationOrganisationTypeForm(StripWhitespaceForm):
     organisation_type = OrganisationTypeField('What type of organisation is this?')