Aug 19 - Re-evaluation

app/routes/inspection_schedules.py

@@ -423,7 +423,7 @@ def _scope_errors(template_id, facility_id, inspector_id):
     # role: the dropdown is a UI hint, this is the boundary, and a stale page
     # (or a crafted POST) must not slip an out-of-contract assignee through.
     if inspector_id:
-        allowed = {u.id for u in _inspectors_for_project(
+        allowed = {u.id for u in _assignable_inspectors(
             facility.project_id if facility else None)}
         if inspector_id not in allowed:
             logger.warning(
@@ -435,17 +435,15 @@ def _scope_errors(template_id, facility_id, inspector_id):
             contract = (facility.project.name
                         if facility is not None and facility.project else None)
             if contract:
-                # Name the fix: an empty list here usually means the contract
-                # simply has no inspectors assigned yet, which is a setup step,
-                # not a mistake in this form.
                 errors.append(
                     f'{name} is not assigned to {contract}. Choose an inspector '
                     f'who works on that contract, or assign them to it first '
                     f'(Admin \u2192 Users \u2192 Assign Contracts).')
             else:
+                # Only reachable for a Customer Director (staff get the
+                # fallback pool above), whose scope IS the contract.
                 errors.append(
-                    'That facility is not on a contract, so no inspector can be '
-                    'assigned to work there. Put the facility on a contract first.')
+                    'That inspector does not work on your contracts.')
 
     template = db.session.get(InspectionTemplate, template_id) if template_id else None
     if template is not None and facility is not None:
@@ -505,6 +503,45 @@ def _inspectors_for_project(project_id):
     return uniq
 
 
+def _all_active_inspectors():
+    """Every active inspector, either role. Never managers (see below)."""
+    return (User.query
+            .filter(User.role.in_(User.INSPECTOR_ROLES), User.active == True)
+            .order_by(User.full_name, User.username)
+            .all())
+
+
+def _assignable_inspectors(project_id):
+    """Who may be assigned a schedule at a facility on *project_id*.
+
+    Contract-scoped, with ONE fallback: when the contract has no inspectors
+    assigned — or the facility is on no contract at all — our own staff get the
+    full active inspector pool instead of an empty list.
+
+    The fallback exists because the strict rule alone makes scheduling
+    impossible until someone wires up InspectorAssignment rows, and it fails
+    with an error about a screen the person may not have thought about. A
+    facility legitimately has no contract (`facilities.project_id` is nullable),
+    and that must not become "no inspections can be planned here".
+
+    It is deliberately NOT offered to a Customer Director: for them the contract
+    boundary is a confidentiality boundary, and widening it on a setup gap would
+    hand one customer another customer's inspectors — the exact leak this
+    scoping closes (rule 93). They get the empty list and an actionable message.
+
+    Managers (admin / director / project_manager) are never in either list. A
+    schedule names whoever must go and do the work; a manager who intends to do
+    it holds a contract assignment like anyone else.
+    """
+    scoped = _inspectors_for_project(project_id)
+    if scoped or _is_customer_director(current_user):
+        return scoped
+    logger.info(
+        'SCHED INSP | no inspectors assigned to contract %s — falling back to '
+        'the full inspector pool for %s', project_id, current_user.username)
+    return _all_active_inspectors()
+
+
 # ── AJAX: inspectors working on a contract ──────────────────────────────────
 
 @bp.route('/inspectors-for-contract/<int:project_id>')
@@ -520,7 +557,7 @@ def inspectors_for_contract(project_id):
     return jsonify([
         {'id': u.id,
          'name': u.display_name + (' (Customer)' if u.is_external_inspector else '')}
-        for u in _inspectors_for_project(project_id)
+        for u in _assignable_inspectors(project_id)
     ])
 
 
@@ -650,7 +687,7 @@ def _form_choices(project_id=None):
     # contract change. On edit and on a re-render after a validation error the
     # contract is known here, so the saved assignee is present in the markup
     # before that call returns.
-    inspectors = _inspectors_for_project(project_id)
+    inspectors = _assignable_inspectors(project_id)
     return templates, facilities, inspectors