Add portfolio thingies

src/actions/portfolio/getPortfolioArtworksPage.ts

@@ -0,0 +1,214 @@
+"use server";
+
+import { Prisma } from "@/generated/prisma/browser";
+import { prisma } from "@/lib/prisma";
+
+export type Cursor = {
+  afterSortKey: number | null;
+  afterId: string;
+} | null;
+
+export type PortfolioArtworkItem = {
+  id: string;
+  name: string;
+  slug: string;
+  altText: string | null;
+
+  sortKey: number | null;
+  year: number | null;
+
+  fileKey: string;
+
+  thumbW: number;
+  thumbH: number;
+
+  dominantHex: string;
+};
+
+export type PortfolioFilters = {
+  year?: number | null;
+  galleryId?: string | null;
+  albumId?: string | null;
+  tagIds?: string[];
+  search?: string;
+};
+
+function coerceYear(year?: number | string | null) {
+  if (typeof year === "number") return Number.isFinite(year) ? year : null;
+  if (typeof year === "string") {
+    const t = year.trim();
+    if (!t) return null;
+    const n = Number(t);
+    return Number.isFinite(n) ? n : null;
+  }
+  return null;
+}
+
+type VariantPick = { type: string; width: number; height: number };
+function pickVariant(variants: VariantPick[], type: string) {
+  return variants.find((v) => v.type === type) ?? null;
+}
+
+export async function getPortfolioArtworksPage(args: {
+  take?: number;
+  cursor?: Cursor;
+  filters?: PortfolioFilters;
+  onlyPublished?: boolean;
+}): Promise<{ items: PortfolioArtworkItem[]; nextCursor: Cursor }> {
+  const { take = 60, cursor = null, filters = {}, onlyPublished = true } = args;
+
+  const year = coerceYear(filters.year ?? null);
+
+  const baseWhere: Prisma.ArtworkWhereInput = {
+    ...(onlyPublished ? { published: true } : {}),
+    ...(year != null ? { year } : {}),
+    ...(filters.galleryId ? { galleryId: filters.galleryId } : {}),
+    ...(filters.albumId ? { albums: { some: { id: filters.albumId } } } : {}),
+
+    ...(filters.tagIds?.length
+      ? { tags: { some: { id: { in: filters.tagIds } } } }
+      : {}),
+
+    ...(filters.search?.trim()
+      ? {
+          OR: [
+            { name: { contains: filters.search.trim(), mode: "insensitive" } },
+            { slug: { contains: filters.search.trim(), mode: "insensitive" } },
+            { altText: { contains: filters.search.trim(), mode: "insensitive" } },
+          ],
+        }
+      : {}),
+  };
+
+  // Require thumbnail variant for grid placement
+  const baseSelect = {
+    id: true,
+    name: true,
+    slug: true,
+    altText: true,
+    year: true,
+    sortKey: true,
+    file: { select: { fileKey: true } },
+    variants: {
+      where: { type: { in: ["thumbnail"] } },
+      select: { type: true, width: true, height: true },
+    },
+    colors: {
+      where: { type: "Vibrant" },
+      select: { color: { select: { hex: true } } },
+      take: 1,
+    },
+  } satisfies Prisma.ArtworkSelect;
+
+  const mapRow = (r: any): PortfolioArtworkItem | null => {
+    const thumb = pickVariant(r.variants, "thumbnail");
+    if (!thumb?.width || !thumb?.height) return null;
+
+    return {
+      id: r.id,
+      name: r.name,
+      slug: r.slug,
+      altText: r.altText ?? null,
+      sortKey: r.sortKey ?? null,
+      year: r.year ?? null,
+      fileKey: r.file.fileKey,
+      thumbW: thumb.width,
+      thumbH: thumb.height,
+      dominantHex: r.colors[0]?.color?.hex ?? "#999999",
+    };
+  };
+
+  // --- Segment handling ---
+  // Segment A: sortKey != null orderBy sortKey asc, id asc
+  // Segment B: sortKey == null orderBy id asc
+  const inNullSegment = cursor?.afterSortKey === null;
+
+  // Query A (non-null segment) unless we're already in null segment
+  let items: PortfolioArtworkItem[] = [];
+  let nextCursor: Cursor = null;
+
+  if (!inNullSegment) {
+    const whereA: Prisma.ArtworkWhereInput = {
+      ...baseWhere,
+      sortKey: { not: null },
+      variants: { some: { type: "thumbnail" } },
+    };
+
+    if (cursor?.afterSortKey != null) {
+      const sk = Number(cursor.afterSortKey);
+      whereA.OR = [
+        { sortKey: { gt: sk } },
+        { AND: [{ sortKey: sk }, { id: { gt: cursor.afterId } }] },
+      ];
+    }
+
+    const rowsA = await prisma.artwork.findMany({
+      where: whereA,
+      orderBy: [{ sortKey: "asc" }, { id: "asc" }],
+      take: Math.min(take, 200),
+      select: baseSelect,
+    });
+
+    items = rowsA.map(mapRow).filter((x): x is PortfolioArtworkItem => x !== null);
+
+    // If we fully satisfied take within segment A, return cursor in A
+    if (items.length >= take) {
+      const last = items[items.length - 1]!;
+      nextCursor = { afterSortKey: last.sortKey!, afterId: last.id };
+      return { items, nextCursor };
+    }
+
+    // Otherwise, we will transition into segment B and fill the remainder
+    const remaining = take - items.length;
+
+    const lastAId = items.length > 0 ? items[items.length - 1]!.id : null;
+
+    const whereB: Prisma.ArtworkWhereInput = {
+      ...baseWhere,
+      sortKey: null,
+      variants: { some: { type: "thumbnail" } },
+      ...(lastAId ? { id: { gt: lastAId } } : {}), // IMPORTANT: don't restart from beginning during transition
+    };
+
+    const rowsB = await prisma.artwork.findMany({
+      where: whereB,
+      orderBy: [{ id: "asc" }],
+      take: Math.min(remaining, 200),
+      select: baseSelect,
+    });
+
+    const more = rowsB.map(mapRow).filter((x): x is PortfolioArtworkItem => x !== null);
+    items = items.concat(more);
+
+    const last = items[items.length - 1];
+    nextCursor =
+      items.length < take || !last
+        ? null
+        : { afterSortKey: last.sortKey ?? null, afterId: last.id };
+
+    return { items, nextCursor };
+  }
+
+  // Query B (null segment continuation)
+  const whereB: Prisma.ArtworkWhereInput = {
+    ...baseWhere,
+    sortKey: null,
+    variants: { some: { type: "thumbnail" } },
+    ...(cursor ? { id: { gt: cursor.afterId } } : {}),
+  };
+
+  const rowsB = await prisma.artwork.findMany({
+    where: whereB,
+    orderBy: [{ id: "asc" }],
+    take: Math.min(take, 200),
+    select: baseSelect,
+  });
+
+  items = rowsB.map(mapRow).filter((x): x is PortfolioArtworkItem => x !== null);
+
+  const last = items[items.length - 1];
+  nextCursor =
+    items.length < take || !last ? null : { afterSortKey: null, afterId: last.id };
+
+  return { items, nextCursor };
+}