feat: fetching signatures from backend endpoint

packages/backend/src/index.ts

@@ -1,4 +1,5 @@
 import { ENV } from "./env";
+import { getPetitions } from "./routes/get-petitions";
 import { signPetition } from "./routes/sign-petition";
 
 const CORS_HEADERS = {
@@ -29,7 +30,8 @@ const server = Bun.serve({
 	port: ENV.PORT,
 	routes: {
 		"/health": new Response("alive!"),
-		"/sign-petition": {
+		"/sign": {
+			GET: withCors(getPetitions),
 			POST: withCors(signPetition),
 			OPTIONS: allowCors,
 		},

packages/backend/src/models/index.ts

@@ -1,8 +1,19 @@
 import { db } from "./database";
 import { signaturesTable } from "./schema";
 
-export const insertSignature = async (signature: typeof signaturesTable.$inferInsert): Promise<typeof signaturesTable.$inferSelect | undefined> => {
-    const [insertedSignature] = await db.insert(signaturesTable).values(signature).returning();
+export const insertSignature = async (
+	signature: typeof signaturesTable.$inferInsert,
+): Promise<typeof signaturesTable.$inferSelect | undefined> => {
+	const [insertedSignature] = await db
+		.insert(signaturesTable)
+		.values(signature)
+		.returning();
 
-    return insertedSignature;
-}
+	return insertedSignature;
+};
+
+export const getSignatures = async (): Promise<
+	Array<typeof signaturesTable.$inferSelect>
+> => {
+	return db.select().from(signaturesTable);
+};

packages/backend/src/routes/get-petitions.ts

@@ -0,0 +1,10 @@
+import { signedPetitionArraySchema } from "types";
+import { getSignatures } from "../models";
+
+export const getPetitions = async (_: Request): Promise<Response> => {
+	const signatures = await getSignatures();
+
+	const parsedSignatures = signedPetitionArraySchema.parse(signatures);
+
+	return Response.json(parsedSignatures, { status: 200 });
+};

packages/frontend/src/components/PetitionForm.tsx

@@ -34,12 +34,22 @@ export const PetitionForm = ({ compact = false }: PetitionFormProps) => {
 	const handleSubmit = async (e: React.FormEvent) => {
 		e.preventDefault();
 
+		if (isSubmitting) {
+			return;
+		}
+
 		setIsSubmitting(true);
+
 		await onSignPetition({
 			email,
 			comment,
 			name,
 		});
+
+		setName(undefined);
+		setEmail(undefined);
+		setComment(undefined);
+
 		setIsSubmitting(false);
 	};
 

packages/frontend/src/network/index.ts

@@ -3,16 +3,33 @@ import { signedPetitionSchema, signPetitionSchema } from "types";
 
 const backendUrl = import.meta.env.VITE_BACKEND_URL;
 
+export const signedPetitionWithParsedDate = signedPetitionSchema.extend({
+	createdAt: z.string().transform((date: string) => new Date(date)),
+});
+
+const signedPetitionSignatures = z.array(signedPetitionWithParsedDate);
+
+export const getSignatures = async (): Promise<
+	z.infer<typeof signedPetitionSignatures>
+> => {
+	const res = await fetch(`${backendUrl}/sign`);
+
+	const body = await res.json();
+	const validatedBody = signedPetitionSignatures.parse(body);
+
+	return validatedBody;
+};
+
 export const signPetition = async (
 	signature: z.infer<typeof signPetitionSchema>,
-): Promise<z.infer<typeof signedPetitionSchema>> => {
-	const res = await fetch(`${backendUrl}/sign-petition`, {
+): Promise<z.infer<typeof signedPetitionWithParsedDate>> => {
+	const res = await fetch(`${backendUrl}/sign`, {
 		method: "POST",
 		body: JSON.stringify(signature),
 	});
 
 	const body = await res.json();
-	const validatedBody = signedPetitionSchema.parse(body);
+	const validatedBody = signedPetitionWithParsedDate.parse(body);
 
 	return validatedBody;
 };

packages/frontend/src/pages/Index.tsx

@@ -11,7 +11,7 @@ import emptyBuildingParking from "@/assets/empty-building-parking.jpg";
 import asahiBuilding from "@/assets/asahi-building.jpg";
 import doubletreeHilton from "@/assets/doubletree-hilton.jpg";
 import { useNavigate } from "react-router-dom";
-import { useState } from "react";
+import { usePetitions } from "@/state";
 
 const STATIC_TESTEMONIES = [
 	{
@@ -36,7 +36,8 @@ const STATIC_TESTEMONIES = [
 
 const Index = () => {
 	const navigate = useNavigate();
-	const [signatureCount, setSignatureCount] = useState(0);
+
+	const { signatures } = usePetitions();
 
 	const scrollToPetition = () => {
 		document.getElementById("petition")?.scrollIntoView({ behavior: "smooth" });
@@ -67,12 +68,13 @@ const Index = () => {
 								Sign the Petition
 							</h2>
 							<p className="text-lg text-muted-foreground">
-								{signatureCount > 0 && (
+								{signatures.length > 0 && (
 									<span className="font-semibold text-accent">
-										{signatureCount} people
+										{signatures.length} people
 									</span>
 								)}
-								{signatureCount > 0 ? " have" : "Be the first to"} signed so far
+								{signatures.length > 0 ? " have" : "Be the first to"} signed so
+								far
 							</p>
 						</div>
 						<PetitionForm compact />
@@ -438,7 +440,8 @@ const Index = () => {
 							className="gap-2 bg-primary text-primary-foreground hover:bg-primary/90"
 						>
 							<MessageSquare className="w-5 h-5" />
-							Read All {signatureCount > 0 && `${signatureCount} `}Testimonies
+							Read All {signatures.length > 0 && `${signatures.length} `}
+							Testimonies
 						</Button>
 					</div>
 				</div>

packages/frontend/src/pages/Testimonies.tsx

@@ -1,20 +1,16 @@
-import { useState } from "react";
 import { Button } from "@/components/ui/button";
 import { TestimonialCard } from "@/components/TestimonialCard";
 import { useNavigate } from "react-router-dom";
 import { formatDistanceToNow } from "date-fns";
 import { ArrowLeft, Users } from "lucide-react";
-
-interface Signature {
-	id: string;
-	name: string;
-	comment: string | null;
-	created_at: string;
-}
+import { usePetitions } from "@/state";
 
 const Testimonies = () => {
-	const [signatures, setSignatures] = useState<Signature[]>([]);
-	const [totalCount, setTotalCount] = useState(0);
+	const { signatures } = usePetitions();
+	console.log(signatures);
+
+	const totalCount = signatures.length;
+
 	const navigate = useNavigate();
 
 	return (
@@ -55,7 +51,7 @@ const Testimonies = () => {
 							key={signature.id}
 							name={signature.name}
 							comment={signature.comment || ""}
-							date={formatDistanceToNow(new Date(signature.created_at), {
+							date={formatDistanceToNow(new Date(signature.createdAt), {
 								addSuffix: true,
 							})}
 						/>

packages/frontend/src/state/index.tsx

@@ -1,17 +1,22 @@
-import { signPetition } from "@/network";
+import {
+	getSignatures,
+	signedPetitionWithParsedDate,
+	signPetition,
+} from "@/network";
 import {
 	createContext,
 	ReactNode,
 	useCallback,
 	useContext,
+	useEffect,
 	useState,
 } from "react";
 import { toast } from "sonner";
-import { signedPetitionSchema, signPetitionSchema } from "types";
+import { signPetitionSchema } from "types";
 import { z } from "zod";
 
 // submitted is used to determine if the signature was inserted correctly
-type SignatureWithState = z.infer<typeof signedPetitionSchema> & {
+type SignatureWithState = z.infer<typeof signedPetitionWithParsedDate> & {
 	submitted: boolean;
 };
 
@@ -36,6 +41,12 @@ export const PetitionStateProvider = ({
 		[],
 	);
 
+	useEffect(() => {
+		getSignatures().then((signatures) => {
+			setSignatures(signatures.map((s) => ({ ...s, submitted: true })));
+		});
+	}, []);
+
 	const onSignPetition = useCallback<PetitionStateType["onSignPetition"]>(
 		async (signature) => {
 			const eagerPetitionId = Date.now().toString();
@@ -43,7 +54,7 @@ export const PetitionStateProvider = ({
 			setSignatures((petitions) => [
 				{
 					id: eagerPetitionId,
-					createdAt: new Date().toISOString(),
+					createdAt: new Date(),
 					submitted: false,
 					...signature,
 				},
@@ -68,10 +79,6 @@ export const PetitionStateProvider = ({
 
 					return [...petitions];
 				});
-
-				toast.error(
-					"Sorry, had a problem inserting your signature. Please try again.",
-				);
 			} catch (err) {
 				console.warn(err);
 

packages/types/index.ts

@@ -10,3 +10,5 @@ export const signedPetitionSchema = signPetitionSchema.extend({
 	id: z.uuid(),
 	createdAt: z.date().transform((date: Date) => date.toISOString()),
 });
+
+export const signedPetitionArraySchema = z.array(signedPetitionSchema);