Fixing formatting of magnification

app/services/scope_guide.py

@@ -7,6 +7,7 @@ the parts of that type that fit the row's scope.
 
 from sqlalchemy.ext.asyncio import AsyncSession
 
+from app.crud import attachment_point as attachment_point_crud
 from app.crud import augmented_part as augmented_part_crud
 from app.crud import fit as fit_crud
 from app.crud import part_type as part_type_crud
@@ -14,6 +15,7 @@ from app.crud import scope_info as scope_info_crud
 from app.models.fit import FitLabel
 
 SCOPE_TYPE_NAME = "Scope"
+OBJECTIVE_ATTACHMENT_POINT_NAME = "Objective"
 
 # "exact" outranks "possible" when the same part fits a scope via several fits.
 _LABEL_RANK = {FitLabel.EXACT.value: 2, FitLabel.POSSIBLE.value: 1}
@@ -43,6 +45,7 @@ async def build(
                 {
                     "scope": AugmentedPart,
                     "info": ScopeInfo | None,
+                    "objective_diameter_mm": float | None,
                     "cells": {part_type_id: [{"part": AugmentedPart, "label": str}]},
                 },
                 ...,
@@ -50,12 +53,8 @@ async def build(
         }
     """
     part_types = await part_type_crud.list_all(db, limit=1000)
-    scope_type = next(
-        (pt for pt in part_types if pt.name == SCOPE_TYPE_NAME), None
-    )
-    column_types = [
-        pt for pt in part_types if scope_type is None or pt.id != scope_type.id
-    ]
+    scope_type = next((pt for pt in part_types if pt.name == SCOPE_TYPE_NAME), None)
+    column_types = [pt for pt in part_types if scope_type is None or pt.id != scope_type.id]
 
     if scope_type is None:
         return {"column_types": column_types, "rows": []}
@@ -73,9 +72,7 @@ async def build(
     if not scope_ids:
         return {"column_types": column_types, "rows": []}
 
-    fits = await fit_crud.list_for_parts(
-        db, list(scope_ids), exclude_label=FitLabel.NONE
-    )
+    fits = await fit_crud.list_for_parts(db, list(scope_ids), exclude_label=FitLabel.NONE)
 
     # Resolve the "other" (non-scope) part on each fit in a single batched query.
     other_ids: set[int] = set()
@@ -83,20 +80,31 @@ async def build(
         scope_id, other_id = _scope_and_other(fit, scope_ids)
         if scope_id is not None and other_id not in scope_ids:
             other_ids.add(other_id)
-    other_parts = {
-        p.id: p for p in await augmented_part_crud.get_many(db, list(other_ids))
-    }
+    other_parts = {p.id: p for p in await augmented_part_crud.get_many(db, list(other_ids))}
 
     infos = {
         info.augmented_part_id: info
         for info in await scope_info_crud.list_by_augmented_parts(db, list(scope_ids))
     }
 
+    # The lens outside diameter lives on the "Objective" attachment point's
+    # StaticConnection, not on ScopeInfo (which only carries the objective
+    # *thread* spec) — see app/services/scope_import.py's column-mapping doc.
+    objective_diameters: dict[int, float] = {}
+    objective_aps = await attachment_point_crud.list_by_augmented_parts_and_name(
+        db, list(scope_ids), OBJECTIVE_ATTACHMENT_POINT_NAME
+    )
+    for ap in objective_aps:
+        if ap.static_connection is not None:
+            objective_diameters[ap.augmented_part_id] = ap.static_connection.od_mm
+        elif ap.iso_thread is not None:
+            objective_diameters[ap.augmented_part_id] = ap.iso_thread.diameter_mm
+        elif ap.unc_thread is not None:
+            objective_diameters[ap.augmented_part_id] = float(ap.unc_thread.diameter_fraction)
+
     # cell_map[scope_id][type_id][other_part_id] -> {"part", "label"}, dedup'd so a
     # part appears once per cell, keeping its strongest fit label.
-    cell_map: dict[int, dict[int, dict[int, dict]]] = {
-        sid: {} for sid in scope_ids
-    }
+    cell_map: dict[int, dict[int, dict[int, dict]]] = {sid: {} for sid in scope_ids}
     for fit in fits:
         scope_id, other_id = _scope_and_other(fit, scope_ids)
         if scope_id is None:
@@ -113,15 +121,18 @@ async def build(
     rows = []
     for scope in scopes:
         cells = {
-            type_id: sorted(
-                entries.values(), key=lambda e: e["part"].description.lower()
-            )
+            type_id: sorted(entries.values(), key=lambda e: e["part"].description.lower())
             for type_id, entries in cell_map[scope.id].items()
         }
         if fits_part_type_id is not None and fits_part_type_id not in cells:
             continue  # scope has no fit for the required accessory type
         rows.append(
-            {"scope": scope, "info": infos.get(scope.id), "cells": cells}
+            {
+                "scope": scope,
+                "info": infos.get(scope.id),
+                "objective_diameter_mm": objective_diameters.get(scope.id),
+                "cells": cells,
+            }
         )
 
     return {"column_types": column_types, "rows": rows}