Feature certificate

app/components/contents/certificate.tsx

@@ -0,0 +1,146 @@
+import {
+  Document,
+  Image,
+  Page,
+  StyleSheet,
+  Text,
+  View,
+} from "@react-pdf/renderer"
+
+const styles = StyleSheet.create({
+  page: {
+    flexDirection: "row",
+    backgroundColor: "white",
+    position: "relative",
+  },
+  container: {
+    width: "100vw",
+    height: "100vh",
+  },
+  backgroundImage: {
+    height: "100vh",
+    width: "70vw",
+    position: "absolute",
+    objectFit: "contain",
+    objectPosition: "top right",
+    opacity: 0.05,
+    top: 0,
+    right: 0,
+    zIndex: 1,
+  },
+  section: {
+    margin: "20 30",
+    padding: 20,
+    flexGrow: 1,
+    display: "flex",
+    flexDirection: "column",
+    justifyContent: "space-between",
+    zIndex: 10,
+  },
+  title: {
+    fontSize: "30px",
+  },
+  bandungDevIcon: {
+    width: "200px",
+    height: "50px",
+    objectPosition: "center left",
+    objectFit: "contain",
+    marginBottom: "10px",
+  },
+  containerContent: {
+    display: "flex",
+    flexDirection: "column",
+    gap: "20px",
+  },
+  name: {
+    fontSize: "36px",
+    color: "#3C83F6",
+  },
+  containerContentDetail: {
+    display: "flex",
+    flexDirection: "column",
+    gap: "5px",
+  },
+  containerContentFooter: {
+    display: "flex",
+    flexDirection: "row",
+    justifyContent: "space-between",
+    alignItems: "flex-end",
+  },
+  signature: {
+    height: "60px",
+    width: "60px",
+  },
+  signatureTitle: {
+    marginTop: "5px",
+    fontSize: "10px",
+  },
+  containerVerificationCertificate: {
+    display: "flex",
+    flexDirection: "column",
+    alignItems: "flex-end",
+    fontSize: "14px",
+    gap: "4px",
+  },
+  url: {
+    fontSize: "10px",
+  },
+})
+
+interface CertificateType {
+  eventName: string
+  fullName: string
+  date: string
+  url: string
+}
+
+export function Certificate({
+  eventName,
+  fullName,
+  date,
+  url,
+}: CertificateType) {
+  return (
+    <Document>
+      <Page size="A4" style={styles.page} orientation="landscape">
+        <View style={styles.container}>
+          <Image
+            style={styles.backgroundImage}
+            source={"public/images/logos/png/bandungdev-icon-white.png"}
+          />
+          <View style={styles.section}>
+            <View>
+              <Image
+                style={styles.bandungDevIcon}
+                source={"public/images/logos/png/bandungdev-logo-text.png"}
+              />
+              <Text style={styles.title}>CERTIFICATE OF ATTENDANCE</Text>
+            </View>
+            <View style={styles.containerContent}>
+              <Text>This certificate is presented to</Text>
+              <Text style={styles.name}>{fullName}</Text>
+              <View style={styles.containerContentDetail}>
+                <Text>for attending {eventName}</Text>
+                <Text>{date}</Text>
+              </View>
+            </View>
+            <View style={styles.containerContentFooter}>
+              <View>
+                <Image
+                  style={styles.signature}
+                  source={"public/images/signatures/haidar.jpeg"}
+                />
+                <Text>M. Haidar Hanif</Text>
+                <Text style={styles.signatureTitle}>Lead BandungDev</Text>
+              </View>
+              <View style={styles.containerVerificationCertificate}>
+                <Text>Certificate verification</Text>
+                <Text style={styles.url}>{url}</Text>
+              </View>
+            </View>
+          </View>
+        </View>
+      </Page>
+    </Document>
+  )
+}

app/helpers/auth.ts

@@ -58,3 +58,45 @@ export function checkAllowance(
 
   return foundRoles ? true : false
 }
+
+/**
+ * Check User
+ *
+ * Complete check by getting user from the database
+ *
+ * Quick check without getting user from the database is unnecessary,
+ * because need to always check the user data availability
+ *
+ * Remix way to protect routes, can only be used server-side
+ * https://remix.run/docs/en/main/pages/faq#md-how-can-i-have-a-parent-route-loader-validate-the-user-and-protect-all-child-routes
+ *
+ * Usage:
+ * await checkUser(request, ["ADMIN", "MANAGER"])
+ */
+export async function checkUser(
+  request: Request,
+  expectedRoleSymbols?: Role["symbol"][],
+) {
+  const userSession = await authenticator.isAuthenticated(request)
+
+  if (userSession) {
+    const user = await modelUser.getForSession({ id: userSession.id })
+    invariant(user, "User not found")
+
+    const userIsAllowed = expectedRoleSymbols
+      ? checkAllowance(expectedRoleSymbols, user)
+      : true
+
+    return {
+      user,
+      userId: user.id,
+      userIsAllowed,
+    }
+  }
+
+  return {
+    user: undefined,
+    userId: undefined,
+    userIsAllowed: false,
+  }
+}

app/models/certificate.server.ts

@@ -0,0 +1,23 @@
+import { type Certficate } from "@prisma/client"
+import { prisma } from "~/libs/db.server"
+
+export const modelCertificate = {
+  getByGlug({ slug }: Pick<Certficate, "slug">) {
+    return prisma.certficate.findUnique({
+      where: { slug },
+      include: { user: true, event: true },
+    })
+  },
+
+  getBySlugEventAndEmail({
+    slugEvent,
+    email,
+  }: Pick<Certficate, "slugEvent" | "email">) {
+    return prisma.certficate.findFirst({
+      where: {
+        slugEvent,
+        email,
+      },
+    })
+  },
+}

app/routes/events.$eventSlug.certificate[.pdf].tsx

@@ -0,0 +1,58 @@
+import { renderToStream } from "@react-pdf/renderer"
+import { type LoaderFunctionArgs } from "@remix-run/node"
+import { Certificate } from "~/components/contents/certificate"
+import { requireUser } from "~/helpers/auth"
+import { prisma } from "~/libs/db.server"
+import { modelCertificate } from "~/models/certificate.server"
+import { modelEvent } from "~/models/event.server"
+import { formatCertificateDate } from "~/utils/datetime"
+import { parsedEnv } from "~/utils/env.server"
+import { invariant, invariantResponse } from "~/utils/invariant"
+
+export const loader = async ({ params, request }: LoaderFunctionArgs) => {
+  const { user } = await requireUser(request)
+
+  invariant(params.eventSlug, "params.eventSlug unavailable")
+
+  const [event, certificate] = await prisma.$transaction([
+    modelEvent.getBySlug({ slug: params.eventSlug }),
+    modelCertificate.getBySlugEventAndEmail({
+      slugEvent: params.eventSlug,
+      email: user.email,
+    }),
+  ])
+
+  invariantResponse(event, "Event not found", { status: 404 })
+
+  invariantResponse(certificate, "Certificate not found", { status: 404 })
+
+  const dateTimeFormatted = formatCertificateDate(
+    event.dateTimeStart,
+    event.dateTimeEnd,
+  )
+
+  const { APP_URL } = parsedEnv
+
+  const stream = await renderToStream(
+    <Certificate
+      eventName={event.title}
+      fullName={user.fullname}
+      date={dateTimeFormatted}
+      url={`${APP_URL}/events/certificate/${certificate.slug}.pdf`}
+    />,
+  )
+
+  const body: Buffer = await new Promise((resolve, reject) => {
+    const buffers: Uint8Array[] = []
+    stream.on("data", data => {
+      buffers.push(data)
+    })
+    stream.on("end", () => {
+      resolve(Buffer.concat(buffers))
+    })
+    stream.on("error", reject)
+  })
+
+  const headers = new Headers({ "Content-Type": "application/pdf" })
+  return new Response(body, { status: 200, headers })
+}

app/routes/events.$eventSlug.tsx

@@ -4,22 +4,26 @@ import {
   type MetaFunction,
 } from "@remix-run/node"
 import { Link, useLoaderData, type Params } from "@remix-run/react"
-import { BadgeEventStatus } from "~/components/shared/badge-event-status"
-import { ViewHTML } from "~/components/shared/view-html"
+import dayjs from "dayjs"
 
+import { BadgeEventStatus } from "~/components/shared/badge-event-status"
 import {
   ErrorHelpInformation,
   GeneralErrorBoundary,
 } from "~/components/shared/error-boundary"
 import { FormChangeStatus } from "~/components/shared/form-change-status"
 import { ImageCover } from "~/components/shared/image-cover"
 import { Timestamp } from "~/components/shared/timestamp"
+import { ViewHTML } from "~/components/shared/view-html"
 import { Alert } from "~/components/ui/alert"
+import { Button } from "~/components/ui/button"
 import { ButtonLink } from "~/components/ui/button-link"
 import { Iconify } from "~/components/ui/iconify"
 import { Separator } from "~/components/ui/separator"
+import { checkUser } from "~/helpers/auth"
 import { useRootLoaderData } from "~/hooks/use-root-loader-data"
 import { prisma } from "~/libs/db.server"
+import { modelCertificate } from "~/models/certificate.server"
 import { modelEventStatus } from "~/models/event-status.server"
 import { modelEvent } from "~/models/event.server"
 import {
@@ -49,31 +53,39 @@ export const meta: MetaFunction<typeof loader> = ({ params, data }) => {
   })
 }
 
-export const loader = async ({ params }: LoaderFunctionArgs) => {
+export const loader = async ({ params, request }: LoaderFunctionArgs) => {
   invariant(params.eventSlug, "params.eventSlug unavailable")
 
-  const [event, eventStatuses] = await prisma.$transaction([
+  const { user } = await checkUser(request)
+
+  const [event, eventStatuses, hasCertificate] = await prisma.$transaction([
     modelEvent.getBySlug({ slug: params.eventSlug }),
     modelEventStatus.getAll(),
+    modelCertificate.getBySlugEventAndEmail({
+      slugEvent: params.eventSlug,
+      email: user ? user.email : "",
+    }),
   ])
 
   invariantResponse(event, "Event not found", { status: 404 })
   invariantResponse(eventStatuses, "Event statuses unavailable", {
     status: 404,
   })
 
-  return json({ event, eventStatuses })
+  return json({ event, eventStatuses, hasCertificate })
 }
 
 export default function EventSlugRoute() {
   const { userSession } = useRootLoaderData()
-  const { event, eventStatuses } = useLoaderData<typeof loader>()
+  const { event, eventStatuses, hasCertificate } =
+    useLoaderData<typeof loader>()
 
   const isOwner = event.organizerId === userSession?.id
   const isUpdated = event.createdAt !== event.updatedAt
   const isArchived = event.status.symbol === "ARCHIVED"
   const isOnline = event.category?.symbol === "ONLINE"
   const isHybrid = event.category?.symbol === "HYBRID"
+  const isFinishied = dayjs().isAfter(dayjs(event.dateTimeEnd))
 
   return (
     <div className="site-container space-y-8 pt-20 sm:pt-20">
@@ -233,6 +245,19 @@ export default function EventSlugRoute() {
               </div>
             </p>
           )}
+          {isFinishied && Boolean(hasCertificate) && (
+            <div className="flex w-full justify-end">
+              <Button asChild className="">
+                <Link
+                  to={`/events/${event.slug}/certificate.pdf`}
+                  target="_blank"
+                >
+                  <Iconify icon="ph:download-simple-light" />
+                  Download Certificate
+                </Link>
+              </Button>
+            </div>
+          )}
         </div>
       </header>