add campaigns endpoints

backend/src/api/controllers/campaigns.ts

@@ -0,0 +1,37 @@
+import { RequestHandler } from "express";
+import { Campaign } from "../../db/campaign";
+
+export const getMany: RequestHandler = async (req, res, next) => {
+	try {
+		const campaigns = await Campaign.find();
+
+		return res.json({
+			ok: true,
+			data: campaigns,
+		});
+	} catch (error) {
+		return next(error);
+	}
+};
+
+export const create: RequestHandler = async (req, res, next) => {
+	try {
+		const { name, contractAddress } = req.body;
+		if (!name || !contractAddress) {
+			throw new Error("Missing field(s).");
+		}
+
+		const campaign = new Campaign({
+			name: req.body.name,
+			contractAddress: req.body.contractAddress,
+		});
+		await campaign.save();
+
+		return res.json({
+			ok: true,
+			data: campaign,
+		});
+	} catch (error) {
+		return next(error);
+	}
+};

backend/src/api/index.ts

@@ -1,5 +1,6 @@
 import cors from "cors";
-import express from "express";
+import express, { ErrorRequestHandler } from "express";
+import { campaignsRouter } from "./routes/campaigns";
 import { testRouter } from "./routes/test";
 
 export const api = express();
@@ -10,3 +11,14 @@ api.use(express.json());
 
 // Routes
 api.use("/test", testRouter);
+api.use("/campaigns", campaignsRouter);
+
+// Error Handler
+const errorHandler: ErrorRequestHandler = (error, req, res, next) => {
+	console.error(error);
+	return res.json({
+		ok: false,
+		error: error.message || "Something went wrong.",
+	});
+};
+api.use(errorHandler);

backend/src/api/routes/campaigns.ts

@@ -0,0 +1,7 @@
+import express from "express";
+import * as controllers from "../controllers/campaigns";
+
+export const campaignsRouter = express.Router();
+
+campaignsRouter.route("/").get(controllers.getMany);
+campaignsRouter.route("/").post(controllers.create);

backend/src/db/campaign.ts

@@ -0,0 +1,19 @@
+import mongoose from "mongoose";
+
+interface ICampaign {
+	name: string;
+	contractAddress: string;
+}
+
+const campaignSchema = new mongoose.Schema<ICampaign>({
+	name: {
+		type: String,
+		required: true,
+	},
+	contractAddress: {
+		type: String,
+		required: true,
+	},
+});
+
+export const Campaign = mongoose.model<ICampaign>("Campaign", campaignSchema);