add publish endpoint

apps/studio/src/components/AppNavbar.tsx → apps/studio/src/components/AppNavbar/AppNavbar.tsx

@@ -1,5 +1,6 @@
 import Image from "next/image"
 import NextLink from "next/link"
+import { useParams } from "next/navigation"
 import { Flex, HStack } from "@chakra-ui/react"
 import {
   AvatarMenu,
@@ -13,10 +14,13 @@ import { BiLinkExternal } from "react-icons/bi"
 import { ADMIN_NAVBAR_HEIGHT } from "~/constants/layouts"
 import { useMe } from "~/features/me/api"
 import { DASHBOARD, SETTINGS_PROFILE } from "~/lib/routes"
+import PublishButton from "./PublishButton"
 
 export function AppNavbar(): JSX.Element {
   const { me, logout } = useMe()
 
+  const pathParams = useParams()
+
   return (
     <Flex flex="0 0 auto" gridColumn="1/-1" height={ADMIN_NAVBAR_HEIGHT}>
       <Flex
@@ -62,6 +66,10 @@ export function AppNavbar(): JSX.Element {
           >
             Report an issue
           </Button>
+          <PublishButton
+            pageId={pathParams.pageId as string}
+            siteId={pathParams.siteId as string}
+          />
           <AvatarMenu
             name={me.name}
             variant="subtle"

apps/studio/src/components/AppNavbar/PublishButton.tsx

@@ -0,0 +1,53 @@
+import { useToast } from "@chakra-ui/react"
+import { Button } from "@opengovsg/design-system-react"
+
+import { trpc } from "~/utils/trpc"
+
+interface PublishButtonProps {
+  pageId?: string
+  siteId?: string
+}
+
+const PublishButton = ({ pageId, siteId }: PublishButtonProps): JSX.Element => {
+  const toast = useToast()
+  const { mutate, isLoading } = trpc.page.publishPage.useMutation({
+    onSuccess: (data) => {
+      if (data.versionId) {
+        toast({
+          status: "success",
+          title: "Page published successfully",
+        })
+      } else {
+        toast({
+          status: "error",
+          title: data.error,
+        })
+      }
+    },
+    onError: () => {
+      toast({
+        status: "error",
+        title: "Failed to publish page",
+      })
+    },
+  })
+
+  const handlePublish = () => {
+    const coercedSiteId = Number(siteId)
+    const coercedPageId = Number(pageId)
+    if (coercedSiteId && coercedPageId)
+      mutate({ pageId: coercedPageId, siteId: coercedSiteId })
+  }
+  return (
+    <Button
+      variant="solid"
+      size="sm"
+      onClick={handlePublish}
+      isLoading={isLoading}
+    >
+      Publish
+    </Button>
+  )
+}
+
+export default PublishButton

apps/studio/src/components/AppNavbar/index.ts

@@ -0,0 +1 @@
+export * from "./AppNavbar"

apps/studio/src/schemas/page.ts

@@ -67,3 +67,9 @@ export const createPageSchema = z.object({
   // NOTE: implies that top level pages are allowed
   folderId: z.number().min(1).optional(),
 })
+
+// TODO: siteId should be taken from user's context (not input)
+export const publishPageSchema = z.object({
+  pageId: z.number().min(1),
+  siteId: z.number().min(1),
+})

apps/studio/src/server/modules/page/page.router.ts

@@ -8,6 +8,7 @@ import z from "zod"
 import {
   createPageSchema,
   getEditPageSchema,
+  publishPageSchema,
   reorderBlobSchema,
   updatePageBlobSchema,
   updatePageSchema,
@@ -23,7 +24,7 @@ import {
   updatePageById,
 } from "../resource/resource.service"
 import { getSiteConfig } from "../site/site.service"
-import { createDefaultPage } from "./page.service"
+import { addNewVersion, createDefaultPage } from "./page.service"
 
 const ajv = new Ajv({ allErrors: true, strict: false, logger: false })
 const schemaValidator = ajv.compile<IsomerSchema>(schema)
@@ -233,4 +234,14 @@ export const pageRouter = router({
         return { pageId: resource.id }
       },
     ),
+  publishPage: protectedProcedure
+    .input(publishPageSchema)
+    .mutation(async ({ input: { siteId, pageId } }) => {
+      /* Step 1: Update DB table to latest state */
+      // Create a new version
+      const addedVersionResult = await addNewVersion(siteId, pageId)
+      return addedVersionResult
+
+      /* TODO: Step 2: Use AWS SDK to start a CodeBuild */
+    }),
 })

apps/studio/src/server/modules/page/page.service.ts

@@ -1,5 +1,9 @@
 import { format } from "date-fns"
 
+import { db } from "../database"
+import { getPageById, updatePageById } from "../resource/resource.service"
+import { createVersion, getVersionById } from "../version/version.service"
+
 export const createDefaultPage = ({
   title,
   layout,
@@ -42,3 +46,49 @@ export const createDefaultPage = ({
     }
   }
 }
+
+export const addNewVersion = async (siteId: number, pageId: number) => {
+  return await db.transaction().execute(async (tx) => {
+    const page = await getPageById({ siteId, resourceId: pageId })
+
+    if (!page.draftBlobId) {
+      return { error: "No drafts to publish for this page" }
+    }
+
+    let newVersionNum = 1
+    if (page.versionId) {
+      const currentVersion = await getVersionById({
+        versionId: page.versionId,
+      })
+      newVersionNum = Number(currentVersion.versionNum) + 1
+    }
+
+    // Create the new version
+    // TODO: To pass in the tx object
+    const newVersion = await createVersion(
+      {
+        versionNum: newVersionNum,
+        resourceId: pageId,
+        blobId: Number(page.draftBlobId),
+      },
+      tx,
+    )
+
+    // Update resource with new versionId and draft to be null
+    await updatePageById({
+      props: {
+        page: {
+          ...page,
+          id: page.id,
+          versionId: newVersion.versionId,
+          draftBlobId: null,
+          state: "Published",
+        },
+        siteId,
+      },
+      tx,
+    })
+
+    return { versionId: newVersion }
+  })
+}

apps/studio/src/server/modules/resource/resource.service.ts

@@ -100,12 +100,11 @@ export const getFullPageById = async (
 export const getPageById = (
   db: SafeKysely,
   args: { resourceId: number; siteId: number },
-) => {
-  return getById(db, args)
+) =>
+  getById(db, args)
     .where("type", "is", "Page")
     .select(defaultResourceSelect)
     .executeTakeFirstOrThrow()
-}
 
 export const updatePageById = (
   page: Partial<Omit<Page, "id" | "siteId" | "parentId">> & {

apps/studio/src/server/modules/version/version.service.ts

@@ -0,0 +1,43 @@
+import type { SelectExpression, Transaction } from "kysely"
+import { type DB } from "~prisma/generated/generatedTypes"
+
+import { db } from "../database"
+
+const defaultVersionSelect: SelectExpression<DB, "Version">[] = [
+  "Version.id",
+  "Version.versionNum",
+  "Version.resourceId",
+  "Version.blobId",
+  "Version.publishedAt",
+]
+
+export const getVersionById = ({ versionId }: { versionId: string }) =>
+  db
+    .selectFrom("Version")
+    .where("Version.id", "=", versionId)
+    .select(defaultVersionSelect)
+    .executeTakeFirstOrThrow()
+
+export const createVersion = async (
+  props: {
+    versionNum: number
+    resourceId: number
+    blobId: number
+  },
+  tx?: Transaction<DB>,
+) => {
+  const { versionNum, resourceId, blobId } = props
+  const instance = tx ? tx : db
+  const addedVersion = await instance
+    .insertInto("Version")
+    .values({
+      versionNum: String(versionNum),
+      resourceId: String(resourceId),
+      blobId: String(blobId),
+      publishedAt: new Date(),
+    })
+    .returning("Version.id")
+    .executeTakeFirstOrThrow()
+
+  return { versionId: addedVersion.id }
+}