Generalize parents_breadcrumb

src/frontend/item/list.rs

@@ -4,7 +4,7 @@
 
 use actix_identity::Identity;
 use actix_web::{error, get, web, Responder};
-use maud::html;
+use maud::{html, Render};
 
 use crate::database::{items::ItemPreview, ItemRepository};
 use crate::frontend::templates::{
@@ -61,7 +61,13 @@ async fn get(
                             td { (ItemPreview::new(item.id, item.name.clone().terse())) }
                             td { (item.state) }
                             td { a href={ "/item-class/" (item.class) } { (item.class_name) } }
-                            td { (templates::helpers::parents_breadcrumb(item.name, &item.parents, false)) }
+                            td {
+                                (templates::helpers::parents_breadcrumb(
+                                    &item.name,
+                                    item.parents.iter().map(|parent| parent as &dyn Render).collect(),
+                                    false
+                                ))
+                            }
                         }
                     }
                 }

src/frontend/item/show.rs

@@ -4,7 +4,7 @@
 
 use actix_identity::Identity;
 use actix_web::{error, get, web, Responder};
-use maud::html;
+use maud::{html, Render};
 use serde_variant::to_variant_name;
 use time::OffsetDateTime;
 use uuid::Uuid;
@@ -121,7 +121,13 @@ async fn get(
                         }
                         tr {
                             th { "Parents" }
-                            td { (templates::helpers::parents_breadcrumb(item.name, &parents, true)) }
+                            td {
+                                (templates::helpers::parents_breadcrumb(
+                                    &item.name,
+                                    parents.iter().map(|parent| parent as &dyn Render).collect(),
+                                    true
+                                ))
+                            }
                         }
                         tr {
                             th { "Original Packaging" }

src/frontend/templates/helpers.rs

@@ -7,7 +7,6 @@ use std::fmt;
 use maud::{html, Markup, PreEscaped, Render};
 use uuid::Uuid;
 
-use crate::database::items::{ItemName, ItemPreview};
 use crate::label::LabelPreset;
 
 pub enum Css<'a> {
@@ -170,7 +169,7 @@ impl PageActionGroup {
     }
 }
 
-pub fn parents_breadcrumb(name: ItemName, parents: &[ItemPreview], full: bool) -> Markup {
+pub fn parents_breadcrumb(name: &dyn Render, parents: Vec<&dyn Render>, full: bool) -> Markup {
     const LIMIT: usize = 3;
 
     html! {
@@ -178,10 +177,10 @@ pub fn parents_breadcrumb(name: ItemName, parents: &[ItemPreview], full: bool) -
             @if !full && parents.len() > LIMIT {
                 li .breadcrumb-item { "…" }
             }
-            @let parents: Box<dyn Iterator<Item = &ItemPreview>> = if full {
+            @let parents: Box<dyn Iterator<Item = &dyn Render>> = if full {
-                Box::new(parents.iter())
+                Box::new(parents.into_iter())
             } else {
-                Box::new(parents.iter().rev().take(LIMIT).rev())
+                Box::new(parents.into_iter().rev().take(LIMIT).rev())
             };
             @for parent in parents {
                 li .breadcrumb-item {