Integrate Membership API functionality

.eslintrc

@@ -3,7 +3,10 @@
     "plugin:prettier/recommended",
     "plugin:@typescript-eslint/recommended"
   ],
-  "plugins": ["import"],
+  "plugins": [
+    "import",
+    "prettier"
+  ],
   "rules": {
     "import/no-unresolved": "error",
     "import/extensions": [
@@ -32,27 +35,38 @@
   },
   "settings": {
     "import/parsers": {
-      "@typescript-eslint/parser": [".ts", ".tsx", ".js", ".jsx"]
+      "@typescript-eslint/parser": [
+        ".ts",
+        ".tsx",
+        ".js",
+        ".jsx"
+      ]
     },
     "import/resolver": {
       "typescript": {
         "alwaysTryTypes": true,
         "project": [
           "src/api/tsconfig.json", // Path to tsconfig.json in src/api
-          "src/ui/tsconfig.json"   // Path to tsconfig.json in src/ui
+          "src/ui/tsconfig.json" // Path to tsconfig.json in src/ui
         ]
       }
     }
   },
   "overrides": [
     {
-      "files": ["*.test.ts", "*.testdata.ts"],
+      "files": [
+        "*.test.ts",
+        "*.testdata.ts"
+      ],
       "rules": {
         "@typescript-eslint/no-explicit-any": "off"
       }
     },
     {
-      "files": ["src/ui/*", "src/ui/**/*"],
+      "files": [
+        "src/ui/*",
+        "src/ui/**/*"
+      ],
       "rules": {
         "@typescript-eslint/no-explicit-any": "off",
         "@typescript-eslint/no-unused-vars": "off"

src/api/functions/membership.ts

@@ -1,13 +1,15 @@
 import {
+  ConditionalCheckFailedException,
   DynamoDBClient,
   PutItemCommand,
   QueryCommand,
 } from "@aws-sdk/client-dynamodb";
 import { marshall } from "@aws-sdk/util-dynamodb";
 import { genericConfig } from "common/config.js";
 import { FastifyBaseLogger } from "fastify";
-import { isUserInGroup } from "./entraId.js";
+import { isUserInGroup, modifyGroup } from "./entraId.js";
 import { EntraGroupError } from "common/errors/index.js";
+import { EntraGroupActions } from "common/types/iam.js";
 
 export async function checkPaidMembership(
   endpoint: string,
@@ -76,17 +78,69 @@ export async function checkPaidMembershipFromEntra(
 export async function setPaidMembershipInTable(
   netId: string,
   dynamoClient: DynamoDBClient,
-): Promise<void> {
+  actor: string = "core-api-queried",
+): Promise<{ updated: boolean }> {
   const obj = {
     email: `${netId}@illinois.edu`,
     inserted_at: new Date().toISOString(),
-    inserted_by: "membership-api-queried",
+    inserted_by: actor,
   };
 
-  await dynamoClient.send(
-    new PutItemCommand({
-      TableName: genericConfig.MembershipTableName,
-      Item: marshall(obj),
-    }),
+  try {
+    await dynamoClient.send(
+      new PutItemCommand({
+        TableName: genericConfig.MembershipTableName,
+        Item: marshall(obj),
+        ConditionExpression: "attribute_not_exists(email)",
+      }),
+    );
+    return { updated: true };
+  } catch (error: unknown) {
+    if (error instanceof ConditionalCheckFailedException) {
+      return { updated: false };
+    }
+    throw error;
+  }
+}
+
+type SetPaidMembershipInput = {
+  netId: string;
+  dynamoClient: DynamoDBClient;
+  entraToken: string;
+  paidMemberGroup: string;
+};
+
+type SetPaidMembershipOutput = {
+  updated: boolean;
+};
+
+export async function setPaidMembership({
+  netId,
+  dynamoClient,
+  entraToken,
+  paidMemberGroup,
+}: SetPaidMembershipInput): Promise<SetPaidMembershipOutput> {
+  const dynamoResult = await setPaidMembershipInTable(
+    netId,
+    dynamoClient,
+    "core-api-provisioned",
   );
+  if (!dynamoResult.updated) {
+    const inEntra = await checkPaidMembershipFromEntra(
+      netId,
+      entraToken,
+      paidMemberGroup,
+    );
+    if (inEntra) {
+      return { updated: false };
+    }
+  }
+  await modifyGroup(
+    entraToken,
+    `${netId}@illinois.edu`,
+    paidMemberGroup,
+    EntraGroupActions.ADD,
+  );
+
+  return { updated: true };
 }

src/api/functions/stripe.ts

@@ -1,3 +1,4 @@
+import { InternalServerError } from "common/errors/index.js";
 import Stripe from "stripe";
 
 export type StripeLinkCreateParams = {
@@ -9,6 +10,15 @@ export type StripeLinkCreateParams = {
   stripeApiKey: string;
 };
 
+export type StripeCheckoutSessionCreateParams = {
+  successUrl?: string;
+  returnUrl?: string;
+  customerEmail?: string;
+  stripeApiKey: string;
+  items: { price: string; quantity: number }[];
+  initiator: string;
+};
+
 /**
  * Create a Stripe payment link for an invoice. Note that invoiceAmountUsd MUST IN CENTS!!
  * @param {StripeLinkCreateParams} options
@@ -53,3 +63,35 @@ export const createStripeLink = async ({
     priceId: price.id,
   };
 };
+
+export const createCheckoutSession = async ({
+  successUrl,
+  returnUrl,
+  stripeApiKey,
+  customerEmail,
+  items,
+  initiator,
+}: StripeCheckoutSessionCreateParams): Promise<string> => {
+  const stripe = new Stripe(stripeApiKey);
+  const payload: Stripe.Checkout.SessionCreateParams = {
+    success_url: successUrl || "",
+    cancel_url: returnUrl || "",
+    payment_method_types: ["card"],
+    line_items: items.map((item) => ({
+      price: item.price,
+      quantity: item.quantity,
+    })),
+    mode: "payment",
+    customer_email: customerEmail,
+    metadata: {
+      initiator,
+    },
+  };
+  const session = await stripe.checkout.sessions.create(payload);
+  if (!session.url) {
+    throw new InternalServerError({
+      message: "Could not create Stripe checkout session.",
+    });
+  }
+  return session.url;
+};

src/api/package.json

@@ -36,6 +36,7 @@
     "esbuild": "^0.24.2",
     "fastify": "^5.1.0",
     "fastify-plugin": "^4.5.1",
+    "fastify-raw-body": "^5.0.0",
     "ical-generator": "^7.2.0",
     "jsonwebtoken": "^9.0.2",
     "jwks-rsa": "^3.1.0",