feat: add publication

apps/edr-freight-api/src/modules/publications/entities/publication.entity.ts

@@ -0,0 +1,51 @@
+import { BaseEntity } from "@edr/api-common";
+import { Column, Entity, Index } from "typeorm";
+
+/**
+ * One document in the freight portal's public library (/publications) — a
+ * PDF, Markdown write-up, or PowerPoint deck about the platform, uploaded and
+ * curated from the backoffice. Unlike `SupportDocument`'s five fixed slugs
+ * edited in place, this is a real table of many rows and each upload is a
+ * whole new file — there is no version-history log here, a re-upload just
+ * replaces the file columns (see `PublicationsService.replaceFile`).
+ */
+@Entity({ schema: "freight", name: "publications" })
+@Index(["published", "sortOrder"])
+export class Publication extends BaseEntity {
+  @Column({ name: "title", type: "varchar", length: 200 })
+  title!: string;
+
+  @Column({ name: "description", type: "text", nullable: true })
+  description?: string | null;
+
+  @Column({ name: "category", type: "varchar", length: 60, nullable: true })
+  category?: string | null;
+
+  /** MinIO object key. Never a signed URL — those expire; sign on read instead. */
+  @Column({ name: "file_key", type: "varchar", length: 512 })
+  fileKey!: string;
+
+  /** Original filename, used for the download's Content-Disposition. */
+  @Column({ name: "file_name", type: "varchar", length: 255 })
+  fileName!: string;
+
+  @Column({ name: "file_mime_type", type: "varchar", length: 120 })
+  fileMimeType!: string;
+
+  @Column({ name: "file_size_bytes", type: "bigint" })
+  fileSizeBytes!: number;
+
+  /** Manual ordering in the backoffice list and the public grid. */
+  @Column({ name: "sort_order", type: "integer", default: 0 })
+  sortOrder!: number;
+
+  /** Unpublish without deleting — hides it from the public list only. */
+  @Column({ name: "published", type: "boolean", default: true })
+  published!: boolean;
+
+  @Column({ name: "published_at", type: "timestamptz", nullable: true })
+  publishedAt?: Date | null;
+
+  @Column({ name: "uploaded_by_id", type: "uuid", nullable: true })
+  uploadedById?: string | null;
+}