chore: Move API source code to API folder.

api/src/routes/user/login.ts

@@ -0,0 +1,66 @@
+import { compare } from "bcrypt";
+
+import { generateToken } from "../../libs/generateToken.js";
+import type { RouteOptions } from "../../libs/types.js";
+
+export function route(routeOptions: RouteOptions) {
+  const {
+    fastify,
+    prisma,
+    tokens
+  } = routeOptions;
+
+  /**
+   * Logs in to a user account.
+   */
+  fastify.post("/api/v1/users/login", {
+    schema: {
+      body: {
+        type: "object",
+        required: ["email", "password"],
+
+        properties: {
+          email:    { type: "string" },
+          password: { type: "string" }
+        }
+      }
+    }
+  }, async(req, res) => {
+    // @ts-ignore
+    const body: {
+      email: string,
+      password: string
+    } = req.body;
+
+    const userSearch = await prisma.user.findFirst({
+      where: {
+        email: body.email
+      }
+    });
+
+    if (!userSearch) return res.status(403).send({
+      error: "Email or password is incorrect"
+    });
+
+    const passwordIsValid = await compare(body.password, userSearch.password);
+    
+    if (!passwordIsValid) return res.status(403).send({
+      error: "Email or password is incorrect"
+    });
+
+    const token = generateToken();
+    if (!tokens[userSearch.id]) tokens[userSearch.id] = [];
+    
+    tokens[userSearch.id].push({
+      createdAt: Date.now(),
+      expiresAt: Date.now() + (30 * 60_000),
+
+      token
+    });
+
+    return {
+      success: true,
+      token
+    }
+  });
+}