Breadcrumbs (#296)

* add breadcrumbs

* rm space

* move breadcrumbs to ui

apps/hudozka/src/components/App/index.tsx

@@ -5,12 +5,11 @@ import s from "./app.module.css"
 import { Wrapper } from "../Wrapper"
 import { Footer } from "../Footer"
 import { Content } from "../Content"
-import { Breadcrumbs } from "../Breadcrumbs"
 import type { BreadcrumbPart } from "@/types"
 import { usePathname } from "next/navigation"
 import { useMobile } from "@hudozka/hooks"
 import { Navigation } from "@/components/Navigation"
-import { Box, Panel, Title } from "@hudozka/ui"
+import { Box, Breadcrumbs, Panel, Title } from "@hudozka/ui"
 import { AccessibilityButton } from "../AccessibilityButton"
 import { Copyright } from "@/components/Copyright"
 import { yearRange } from "@/const"

apps/hudozka/src/remote/api.ts

@@ -2,7 +2,43 @@ import { pb } from "./pb"
 import { createPage, createHomeCards, createMenu, createFeedPages } from "./factory"
 import type { PbPage, PbImage, PbFile, PbTag, PbHomeData, PbMenuData } from "./types"
 import type { DocV1Block } from "./doc"
-import type { MenuItem, Page, PageCardDto, FeedPage } from "@/types"
+import type { BreadcrumbPart, MenuItem, Page, PageCardDto, FeedPage } from "@/types"
+import { menu } from "@/const"
+
+const MAX_PARENT_DEPTH = 10
+
+function getParentId(parent: string | string[] | undefined): string | undefined {
+    if (!parent) return undefined
+    if (Array.isArray(parent)) return parent[0]
+    return parent
+}
+
+async function fetchParentChain(startId: string | undefined): Promise<PbPage[]> {
+    if (!startId) return []
+    const chain: PbPage[] = []
+    const visited = new Set<string>()
+    let currentId: string | undefined = startId
+    while (currentId && chain.length < MAX_PARENT_DEPTH) {
+        if (visited.has(currentId)) break
+        visited.add(currentId)
+        try {
+            const parent = await pb.collection("pages").getOne<PbPage>(currentId)
+            chain.unshift(parent)
+            currentId = getParentId(parent.parent)
+        } catch {
+            break
+        }
+    }
+    return chain
+}
+
+function buildBreadcrumb(record: PbPage, parents: PbPage[]): BreadcrumbPart[] {
+    if (parents.length === 0) return []
+    const home: BreadcrumbPart = { name: menu[0].name, href: "/" }
+    const ancestors: BreadcrumbPart[] = parents.map(p => ({ name: p.title, href: p.slug }))
+    const current: BreadcrumbPart = { name: record.title, href: record.slug }
+    return [home, ...ancestors, current]
+}
 
 function buildIdFilter(ids: string[]): string {
     return ids.map(id => `id="${id}"`).join(" || ")
@@ -90,12 +126,13 @@ export async function getPageBySlug(slug: string): Promise<Page | null> {
             refs.imageIds.add(record.cover)
         }
 
-        // Round 2: fetch images, files, tags, card-grid pages in parallel
-        const [images, files, tags, cardGridPages] = await Promise.all([
+        // Round 2: fetch images, files, tags, card-grid pages, parent chain in parallel
+        const [images, files, tags, cardGridPages, parentChain] = await Promise.all([
             fetchImagesByIds([...refs.imageIds]),
             fetchFilesByIds([...refs.fileIds]),
             fetchTagsByIds(record.tags),
             fetchPagesByIds([...refs.pageIds]),
+            fetchParentChain(getParentId(record.parent)),
         ])
 
         // Round 3: fetch cover images for card-grid pages
@@ -112,7 +149,8 @@ export async function getPageBySlug(slug: string): Promise<Page | null> {
         // Merge all images for card-grid covers
         const allCardGridImages = new Map([...images, ...cardGridImages])
 
-        return createPage(record, images, files, tags, cardGridPages, allCardGridImages)
+        const breadcrumb = buildBreadcrumb(record, parentChain)
+        return createPage(record, images, files, tags, cardGridPages, allCardGridImages, breadcrumb)
     } catch (error) {
         console.error(`Failed to fetch page: ${error}`)
         return null

apps/hudozka/src/remote/factory.ts

@@ -1,4 +1,4 @@
-import type { MenuItem, Page, Tag, PageCardDto, Pic, Token, FeedPage } from "@/types"
+import type { MenuItem, Page, Tag, PageCardDto, Pic, Token, FeedPage, BreadcrumbPart } from "@/types"
 import type { PbPage, PbImage, PbFile, PbTag, PbHomeData, PbMenuData } from "./types"
 import type { DocV1Block } from "./doc"
 import { typograf, markdownToHtml } from "@hudozka/text"
@@ -159,6 +159,7 @@ export function createPage(
     tags: PbTag[],
     cardGridPages: Map<string, PbPage>,
     cardGridImages: Map<string, PbImage>,
+    breadcrumb: BreadcrumbPart[] = [],
 ): Page {
     const cover = getCoverPic(record.cover, images)
 
@@ -190,6 +191,7 @@ export function createPage(
             ...tokens,
         ],
         tags: pageTags,
+        breadcrumb,
         featured: false,
     }
 }

apps/hudozka/src/remote/types.ts

@@ -36,6 +36,7 @@ export type PbPage = PbRecord & {
     doc: DocV1
     tags: string[]
     draft: boolean
+    parent?: string | string[]
 }
 
 export type PbTag = PbRecord & {

package-lock.json

@@ -9633,6 +9633,7 @@
             "version": "0.0.0",
             "dependencies": {
                 "@hudozka/hooks": "*",
+                "@hudozka/utils": "*",
                 "classnames": "^2.5.0"
             },
             "peerDependencies": {

packages/ui/package.json

@@ -11,7 +11,8 @@
     },
     "dependencies": {
         "classnames": "^2.5.0",
-        "@hudozka/hooks": "*"
+        "@hudozka/hooks": "*",
+        "@hudozka/utils": "*"
     },
     "peerDependencies": {
         "react": ">=19",

packages/ui/src/Breadcrumbs/index.tsx

@@ -1,12 +1,16 @@
 import s from "./styles.module.css"
 
-import type { BreadcrumbPart } from "@/types"
-import { Button } from "@hudozka/ui"
+import { Button } from "../Button"
 import { insertBetween } from "@hudozka/utils"
 
+export type Crumb = {
+    name: string
+    href: string
+}
+
 export type BreadcrumbsProps = {
     style?: React.CSSProperties
-    items: BreadcrumbPart[]
+    items: Crumb[]
     path: string
 }
 

packages/ui/src/Breadcrumbs/styles.module.css

@@ -11,3 +11,7 @@
 .breadcrumbs li {
     margin-bottom: var(--size-xs);
 }
+
+.breadcrumbs a {
+    text-decoration: none;
+}

packages/ui/src/index.ts

@@ -1,4 +1,5 @@
 export * from "./Box"
+export * from "./Breadcrumbs"
 export * from "./Button"
 export * from "./Panel"
 export * from "./Title"

pb/pb_migrations/1777072193_updated_pages.js

@@ -0,0 +1,29 @@
+/// <reference path="../pb_data/types.d.ts" />
+migrate((app) => {
+  const collection = app.findCollectionByNameOrId("pbc_1125843985")
+
+  // add field
+  collection.fields.addAt(5, new Field({
+    "cascadeDelete": false,
+    "collectionId": "pbc_1125843985",
+    "help": "",
+    "hidden": false,
+    "id": "relation1032740943",
+    "maxSelect": 0,
+    "minSelect": 0,
+    "name": "parent",
+    "presentable": false,
+    "required": false,
+    "system": false,
+    "type": "relation"
+  }))
+
+  return app.save(collection)
+}, (app) => {
+  const collection = app.findCollectionByNameOrId("pbc_1125843985")
+
+  // remove field
+  collection.fields.removeById("relation1032740943")
+
+  return app.save(collection)
+})