feat(admin): add posts CRUD sandbox and shared CRUD foundation

packages/db/src/index.ts

@@ -1,2 +1,9 @@
 export { db } from "./client"
-export { createPost, listPosts } from "./posts"
+export {
+  createPost,
+  deletePost,
+  getPostById,
+  listPosts,
+  registerPostCrudAuditHook,
+  updatePost,
+} from "./posts"

packages/db/src/posts.ts

@@ -1,19 +1,80 @@
-import { upsertPostSchema } from "@cms/content"
+import {
+  type CreatePostInput,
+  createPostInputSchema,
+  type UpdatePostInput,
+  updatePostInputSchema,
+} from "@cms/content"
+import { type CrudAuditHook, type CrudMutationContext, createCrudService } from "@cms/crud"
+import type { Post } from "../prisma/generated/client/client"
 
 import { db } from "./client"
 
+const postRepository = {
+  list: () =>
+    db.post.findMany({
+      orderBy: {
+        updatedAt: "desc",
+      },
+    }),
+  findById: (id: string) =>
+    db.post.findUnique({
+      where: { id },
+    }),
+  create: (input: CreatePostInput) =>
+    db.post.create({
+      data: input,
+    }),
+  update: (id: string, input: UpdatePostInput) =>
+    db.post.update({
+      where: { id },
+      data: input,
+    }),
+  delete: (id: string) =>
+    db.post.delete({
+      where: { id },
+    }),
+}
+
+const postAuditHooks: Array<CrudAuditHook<Post>> = []
+
+const postCrudService = createCrudService({
+  resource: "post",
+  repository: postRepository,
+  schemas: {
+    create: createPostInputSchema,
+    update: updatePostInputSchema,
+  },
+  auditHooks: postAuditHooks,
+})
+
+export function registerPostCrudAuditHook(hook: CrudAuditHook<Post>): () => void {
+  postAuditHooks.push(hook)
+
+  return () => {
+    const index = postAuditHooks.indexOf(hook)
+
+    if (index >= 0) {
+      postAuditHooks.splice(index, 1)
+    }
+  }
+}
+
 export async function listPosts() {
-  return db.post.findMany({
-    orderBy: {
-      updatedAt: "desc",
-    },
-  })
+  return postCrudService.list()
 }
 
-export async function createPost(input: unknown) {
-  const payload = upsertPostSchema.parse(input)
-
-  return db.post.create({
-    data: payload,
-  })
+export async function getPostById(id: string) {
+  return postCrudService.getById(id)
+}
+
+export async function createPost(input: unknown, context?: CrudMutationContext) {
+  return postCrudService.create(input, context)
+}
+
+export async function updatePost(id: string, input: unknown, context?: CrudMutationContext) {
+  return postCrudService.update(id, input, context)
+}
+
+export async function deletePost(id: string, context?: CrudMutationContext) {
+  return postCrudService.delete(id, context)
 }