init

apps/backend/@types/express/index.d.ts

@@ -0,0 +1,15 @@
+export {}
+
+declare global {
+  // metadata-scraper relies on this type
+  type Element = any
+
+  // add context to request
+  namespace Express {
+    interface Request {
+      client: {
+        project_id: string
+      }
+    }
+  }
+}

apps/backend/package.json

@@ -0,0 +1,27 @@
+{
+  "name": "backend",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "start": "bun src/app.ts",
+    "dev": "bun --watch src/app.ts",
+    "codegen": "bunx prisma generate"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "@mixan/types": "workspace:*",
+    "@prisma/client": "^5.4.2",
+    "express": "^4.18.2",
+    "morgan": "^1.10.0",
+    "prisma": "^5.4.2",
+    "uuid": "^9.0.1"
+  },
+  "devDependencies": {
+    "@types/express": "^4.17.18",
+    "@types/morgan": "^1.9.6",
+    "bun-types": "^1.0.5-canary.20231009T140142"
+  }
+}

apps/backend/prisma/migrations/20231010091416_init/migration.sql

@@ -0,0 +1,59 @@
+-- CreateTable
+CREATE TABLE "organizations" (
+    "id" UUID NOT NULL DEFAULT gen_random_uuid(),
+    "name" TEXT NOT NULL,
+
+    CONSTRAINT "organizations_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "projects" (
+    "id" UUID NOT NULL DEFAULT gen_random_uuid(),
+    "name" TEXT NOT NULL,
+    "organization_id" UUID NOT NULL,
+
+    CONSTRAINT "projects_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "users" (
+    "id" UUID NOT NULL DEFAULT gen_random_uuid(),
+    "name" TEXT NOT NULL,
+    "email" TEXT NOT NULL,
+    "password" TEXT NOT NULL,
+    "organization_id" UUID NOT NULL,
+
+    CONSTRAINT "users_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "events" (
+    "id" UUID NOT NULL DEFAULT gen_random_uuid(),
+    "name" TEXT NOT NULL,
+    "properties" JSONB NOT NULL,
+    "project_id" UUID NOT NULL,
+
+    CONSTRAINT "events_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "profiles" (
+    "id" UUID NOT NULL DEFAULT gen_random_uuid(),
+    "name" TEXT NOT NULL,
+    "properties" JSONB NOT NULL,
+    "project_id" UUID NOT NULL,
+
+    CONSTRAINT "profiles_pkey" PRIMARY KEY ("id")
+);
+
+-- AddForeignKey
+ALTER TABLE "projects" ADD CONSTRAINT "projects_organization_id_fkey" FOREIGN KEY ("organization_id") REFERENCES "organizations"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "users" ADD CONSTRAINT "users_organization_id_fkey" FOREIGN KEY ("organization_id") REFERENCES "organizations"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "events" ADD CONSTRAINT "events_project_id_fkey" FOREIGN KEY ("project_id") REFERENCES "projects"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "profiles" ADD CONSTRAINT "profiles_project_id_fkey" FOREIGN KEY ("project_id") REFERENCES "projects"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

apps/backend/prisma/migrations/20231010094459_add_dates/migration.sql

@@ -0,0 +1,19 @@
+-- AlterTable
+ALTER TABLE "events" ADD COLUMN     "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+ADD COLUMN     "updatedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP;
+
+-- AlterTable
+ALTER TABLE "organizations" ADD COLUMN     "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+ADD COLUMN     "updatedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP;
+
+-- AlterTable
+ALTER TABLE "profiles" ADD COLUMN     "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+ADD COLUMN     "updatedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP;
+
+-- AlterTable
+ALTER TABLE "projects" ADD COLUMN     "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+ADD COLUMN     "updatedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP;
+
+-- AlterTable
+ALTER TABLE "users" ADD COLUMN     "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+ADD COLUMN     "updatedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP;

apps/backend/prisma/migrations/20231010184810_fix_profile/migration.sql

@@ -0,0 +1,10 @@
+/*
+  Warnings:
+
+  - You are about to drop the column `name` on the `profiles` table. All the data in the column will be lost.
+  - Added the required column `profile_id` to the `profiles` table without a default value. This is not possible if the table is not empty.
+
+*/
+-- AlterTable
+ALTER TABLE "profiles" DROP COLUMN "name",
+ADD COLUMN     "profile_id" TEXT NOT NULL;

apps/backend/prisma/migrations/20231010185023_add_profile_properties/migration.sql

@@ -0,0 +1,5 @@
+-- AlterTable
+ALTER TABLE "profiles" ADD COLUMN     "avatar" TEXT,
+ADD COLUMN     "email" TEXT,
+ADD COLUMN     "first_name" TEXT,
+ADD COLUMN     "last_name" TEXT;

apps/backend/prisma/migrations/20231010195623_add_client/migration.sql

@@ -0,0 +1,12 @@
+-- CreateTable
+CREATE TABLE "clients" (
+    "id" UUID NOT NULL DEFAULT gen_random_uuid(),
+    "name" TEXT NOT NULL,
+    "secret" TEXT NOT NULL,
+    "project_id" UUID NOT NULL,
+
+    CONSTRAINT "clients_pkey" PRIMARY KEY ("id")
+);
+
+-- AddForeignKey
+ALTER TABLE "clients" ADD CONSTRAINT "clients_project_id_fkey" FOREIGN KEY ("project_id") REFERENCES "projects"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

apps/backend/prisma/migrations/20231010195805_add_timestamps_on_client/migration.sql

@@ -0,0 +1,3 @@
+-- AlterTable
+ALTER TABLE "clients" ADD COLUMN     "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+ADD COLUMN     "updatedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP;

apps/backend/prisma/migrations/20231010202343_add_profile_id_on_event/migration.sql

@@ -0,0 +1,11 @@
+/*
+  Warnings:
+
+  - Added the required column `profile_id` to the `events` table without a default value. This is not possible if the table is not empty.
+
+*/
+-- AlterTable
+ALTER TABLE "events" ADD COLUMN     "profile_id" UUID NOT NULL;
+
+-- AddForeignKey
+ALTER TABLE "events" ADD CONSTRAINT "events_profile_id_fkey" FOREIGN KEY ("profile_id") REFERENCES "profiles"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

apps/backend/prisma/migrations/20231010202552_profile_nullable_on_events/migration.sql

@@ -0,0 +1,8 @@
+-- DropForeignKey
+ALTER TABLE "events" DROP CONSTRAINT "events_profile_id_fkey";
+
+-- AlterTable
+ALTER TABLE "events" ALTER COLUMN "profile_id" DROP NOT NULL;
+
+-- AddForeignKey
+ALTER TABLE "events" ADD CONSTRAINT "events_profile_id_fkey" FOREIGN KEY ("profile_id") REFERENCES "profiles"("id") ON DELETE SET NULL ON UPDATE CASCADE;

apps/backend/prisma/migrations/20231011063223_rename_profile_id_to_external/migration.sql

@@ -0,0 +1,10 @@
+/*
+  Warnings:
+
+  - You are about to drop the column `profile_id` on the `profiles` table. All the data in the column will be lost.
+  - Added the required column `external_id` to the `profiles` table without a default value. This is not possible if the table is not empty.
+
+*/
+-- AlterTable
+ALTER TABLE "profiles" DROP COLUMN "profile_id",
+ADD COLUMN     "external_id" TEXT NOT NULL;

apps/backend/prisma/migrations/20231011064100_add_unique_external_id_and_project_id/migration.sql

@@ -0,0 +1,8 @@
+/*
+  Warnings:
+
+  - A unique constraint covering the columns `[project_id,external_id]` on the table `profiles` will be added. If there are existing duplicate values, this will fail.
+
+*/
+-- CreateIndex
+CREATE UNIQUE INDEX "profiles_project_id_external_id_key" ON "profiles"("project_id", "external_id");

apps/backend/prisma/migrations/migration_lock.toml

@@ -0,0 +1,3 @@
+# Please do not edit this file manually
+# It should be added in your version-control system (i.e. Git)
+provider = "postgresql"

apps/backend/prisma/schema.prisma

@@ -0,0 +1,100 @@
+// This is your Prisma schema file,
+// learn more about it in the docs: https://pris.ly/d/prisma-schema
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "postgresql"
+  url      = env("DATABASE_URL")
+}
+
+model Organization {
+  id       String    @id @default(dbgenerated("gen_random_uuid()")) @db.Uuid
+  name     String
+  projects Project[]
+  users    User[]
+
+  createdAt DateTime @default(now())
+  updatedAt DateTime @default(now()) @updatedAt
+
+  @@map("organizations")
+}
+
+model Project {
+  id              String       @id @default(dbgenerated("gen_random_uuid()")) @db.Uuid
+  name            String
+  organization_id String       @db.Uuid
+  organization    Organization @relation(fields: [organization_id], references: [id])
+  events          Event[]
+  profiles        Profile[]
+  clients         Client[]
+
+  createdAt DateTime @default(now())
+  updatedAt DateTime @default(now()) @updatedAt
+
+  @@map("projects")
+}
+
+model User {
+  id              String       @id @default(dbgenerated("gen_random_uuid()")) @db.Uuid
+  name            String
+  email           String
+  password        String
+  organization_id String       @db.Uuid
+  organization    Organization @relation(fields: [organization_id], references: [id])
+
+  createdAt DateTime @default(now())
+  updatedAt DateTime @default(now()) @updatedAt
+
+  @@map("users")
+}
+
+model Event {
+  id         String  @id @default(dbgenerated("gen_random_uuid()")) @db.Uuid
+  name       String
+  properties Json
+  project_id String  @db.Uuid
+  project    Project @relation(fields: [project_id], references: [id])
+
+  profile_id String?  @db.Uuid
+  profile    Profile? @relation(fields: [profile_id], references: [id])
+
+  createdAt DateTime @default(now())
+  updatedAt DateTime @default(now()) @updatedAt
+
+  @@map("events")
+}
+
+model Profile {
+  id          String  @id @default(dbgenerated("gen_random_uuid()")) @db.Uuid
+  external_id String
+  first_name  String?
+  last_name   String?
+  email       String?
+  avatar      String?
+  properties  Json
+  project_id  String  @db.Uuid
+  project     Project @relation(fields: [project_id], references: [id])
+  events      Event[]
+
+  createdAt DateTime @default(now())
+  updatedAt DateTime @default(now()) @updatedAt
+
+  @@unique([project_id, external_id])
+  @@map("profiles")
+}
+
+model Client {
+  id         String  @id @default(dbgenerated("gen_random_uuid()")) @db.Uuid
+  name       String
+  secret     String
+  project_id String  @db.Uuid
+  project    Project @relation(fields: [project_id], references: [id])
+
+  createdAt DateTime @default(now())
+  updatedAt DateTime @default(now()) @updatedAt
+
+  @@map("clients")
+}

apps/backend/src/app.ts

@@ -0,0 +1,41 @@
+import express  from "express";
+import events from './routes/events'
+import profiles from './routes/profiles'
+import { authMiddleware } from "./middlewares/auth";
+import morgan from 'morgan'
+import { db } from "./db";
+import { hashPassword } from "./services/password";
+import { v4 as uuid } from 'uuid';
+
+
+const app = express();
+const port = 8080;
+
+app.use(morgan('tiny'))
+app.use(express.json());
+app.use(express.json());
+app.use(authMiddleware)
+
+
+app.use(events)
+app.use(profiles)
+app.get("/ping", (req, res) => res.json("pong"));
+app.listen(port, () => {
+  console.log(`Listening on port ${port}...`);
+});
+
+// async function main() {
+//   const secret = uuid()
+//   await db.client.create({
+//     data: {
+//       project_id: 'eed345ae-2772-42e5-b989-e36e09c5febc',
+//       name: 'test',
+//       secret: await hashPassword(secret),
+//     }
+//   })
+//   console.log('Your secret is', secret);
+  
+  
+// }
+
+// main()

apps/backend/src/db.ts

@@ -0,0 +1,3 @@
+import { PrismaClient } from "@prisma/client";
+
+export const db = new PrismaClient();

apps/backend/src/middlewares/auth.ts

@@ -0,0 +1,33 @@
+import { NextFunction, Request, Response } from "express"
+import { db } from "../db"
+import { verifyPassword } from "../services/password"
+
+export async function authMiddleware(req: Request, res: Response, next: NextFunction) {  
+  const secret = req.headers['mixan-client-secret'] as string | undefined
+
+  if(!secret) {
+    return res.status(401).json({
+      code: 'UNAUTHORIZED',
+      message: 'Missing client secret',
+    })
+  }
+
+  const client = await db.client.findFirst({
+    where: {
+      secret,
+    },
+  })
+
+  if(!client) {
+    return res.status(401).json({
+      code: 'UNAUTHORIZED',
+      message: 'Invalid client secret',
+    })
+  }
+  
+  req.client = {
+    project_id: client.project_id,
+  }
+  
+  next()
+}

apps/backend/src/responses/errors.ts

@@ -0,0 +1,13 @@
+import { MixanIssue, MixanIssuesResponse } from "@mixan/types";
+
+export function issues(arr: Array<MixanIssue>): MixanIssuesResponse {
+  return {
+    issues: arr.map((item) => {
+      return {
+        field: item.field,
+        message: item.message,
+        value: item.value,
+      };
+    })
+  }
+}

apps/backend/src/responses/success.ts

@@ -0,0 +1,8 @@
+import { MixanResponse } from "@mixan/types";
+
+export function success<T>(result?: T): MixanResponse<T | null> {
+  return {
+    result: result || null,
+    status: 'ok'
+  }
+}

apps/backend/src/routes/events.ts

@@ -0,0 +1,34 @@
+import {Router} from 'express'
+import { db } from '../db';
+import { MixanRequest } from '../types/express';
+import { EventPayload } from '@mixan/types';
+import { getEvents, getProfileIdFromEvents } from '../services/event';
+import { success } from '../responses/success';
+
+const router = Router();
+
+type PostRequest = MixanRequest<Array<EventPayload>>
+
+router.get('/events', async (req, res) => {
+  const events = await getEvents(req.client.project_id)
+  res.json(success(events))
+})
+
+router.post('/events', async (req: PostRequest, res) => {
+  const projectId = req.client.project_id
+  const profileId = await getProfileIdFromEvents(projectId, req.body) 
+  
+  await db.event.createMany({
+    data: req.body.map(event => ({
+      name: event.name,
+      properties: event.properties,
+      createdAt: event.time,
+      project_id: projectId,
+      profile_id: profileId,
+    }))
+  })
+
+  res.status(201).json(success())
+})
+
+export default router

apps/backend/src/routes/profiles.ts

@@ -0,0 +1,133 @@
+import { Router } from 'express'
+import { db } from '../db'
+import { MixanRequest } from '../types/express'
+import {
+  createProfile,
+  getProfileByExternalId,
+  updateProfile,
+} from '../services/profile'
+import {
+  ProfileDecrementPayload,
+  ProfileIncrementPayload,
+  ProfilePayload,
+} from '@mixan/types'
+import { issues } from '../responses/errors'
+import { success } from '../responses/success'
+
+const router = Router()
+
+type PostRequest = MixanRequest<ProfilePayload>
+
+router.get('/profiles', async (req, res) => {
+  res.json(success(await db.profile.findMany({
+    where: {
+      project_id: req.client.project_id,
+    },
+  })))
+})
+
+router.post('/profiles', async (req: PostRequest, res) => {
+  const body = req.body
+  const projectId = req.client.project_id
+  const profile = await getProfileByExternalId(projectId, body.id)
+  if (profile) {
+    await updateProfile(projectId, body.id, body, profile)
+  } else {
+    await createProfile(projectId, body)
+  }
+
+  res.status(profile ? 200 : 201).json(success())
+})
+
+router.post(
+  '/profiles/increment',
+  async (req: MixanRequest<ProfileIncrementPayload>, res) => {
+    const body = req.body
+    const projectId = req.client.project_id
+    const profile = await getProfileByExternalId(projectId, body.id)
+
+    if (profile) {
+      const existingProperties = (
+        typeof profile.properties === 'object' ? profile.properties || {} : {}
+      ) as Record<string, number>
+      const value =
+        body.name in existingProperties ? existingProperties[body.name] : 0
+      const properties = {
+        ...existingProperties,
+        [body.name]: value + body.value,
+      }
+
+      if (typeof value !== 'number') {
+        return res.status(400).json(
+          issues([
+            {
+              field: 'name',
+              message: 'Property is not a number',
+              value,
+            },
+          ])
+        )
+      }
+
+      await db.profile.updateMany({
+        where: {
+          external_id: String(body.id),
+          project_id: req.client.project_id,
+        },
+        data: {
+          properties,
+        },
+      })
+    }
+
+    res.status(200).json(success())
+  }
+)
+
+router.post(
+  '/profiles/decrement',
+  async (req: MixanRequest<ProfileDecrementPayload>, res) => {
+    const body = req.body
+    const projectId = req.client.project_id
+    const profile = await getProfileByExternalId(projectId, body.id)
+
+    if (profile) {
+      const existingProperties = (
+        typeof profile.properties === 'object' ? profile.properties || {} : {}
+      ) as Record<string, number>
+      const value =
+        body.name in existingProperties ? existingProperties[body.name] : 0
+
+        if (typeof value !== 'number') {
+          return res.status(400).json(
+            issues([
+              {
+                field: 'name',
+                message: 'Property is not a number',
+                value,
+              },
+            ])
+          )
+        }
+
+      const properties = {
+        ...existingProperties,
+        [body.name]: value - body.value,
+      }
+
+      await db.profile.updateMany({
+        where: {
+          external_id: String(body.id),
+          project_id: req.client.project_id,
+        },
+        data: {
+          properties,
+        },
+      })
+    }
+
+    res.status(200).json(success())
+  }
+)
+
+export default router

apps/backend/src/services/event.ts

@@ -0,0 +1,29 @@
+import { EventPayload } from "@mixan/types";
+import { db } from "../db";
+
+export function getEvents(projectId: string) {
+  return db.event.findMany({
+    where: {
+      project_id: projectId,
+    }
+  })
+}
+
+export async function getProfileIdFromEvents(projectId: string, events: EventPayload[]) {
+  const event = events.find(item => !!item.externalId)
+  if(event?.externalId) {
+    return db.profile.findUnique({
+      where: {
+        project_id_external_id: {
+          project_id: projectId,
+          external_id: event.externalId,
+        }
+      }
+    }).then((res) => {
+      return res?.id || null
+    }).catch(() => {
+      return null
+    })
+  }
+  return null
+}

apps/backend/src/services/password.ts

@@ -0,0 +1,7 @@
+export async function hashPassword(password: string) {
+  return await Bun.password.hash(password);
+}
+
+export async function verifyPassword(password: string,hashedPassword: string) {
+  return await Bun.password.verify(password, hashedPassword);
+}

apps/backend/src/services/profile.ts

@@ -0,0 +1,75 @@
+import { EventPayload, ProfilePayload } from "@mixan/types";
+import { db } from "../db";
+import { Prisma } from "@prisma/client";
+
+export function createProfile(projectId: string, payload: ProfilePayload) {
+  const { id, email, first_name, last_name, avatar, properties } = payload
+  return db.profile.create({
+    data:{
+      external_id: id,
+      email,
+      first_name,
+      last_name,
+      avatar,
+      properties: properties || {},
+      project_id: projectId,
+    }
+  })
+}
+
+type DbProfile = Exclude<Prisma.PromiseReturnType<typeof getProfileByExternalId>, null>
+
+export function getProfileByExternalId(projectId: string, externalId: string) {
+  return db.profile.findUnique({
+    where: {
+      project_id_external_id: {
+        project_id: projectId,
+        external_id: externalId,
+      }
+    }
+  })
+}
+
+export function getProfiles(projectId: string) {
+  return db.profile.findMany({
+    where: {
+      project_id: projectId,
+    }
+  })
+}
+
+export async function updateProfile(projectId: string, profileId: string, payload: Omit<ProfilePayload, 'id'>, oldProfile: DbProfile) {
+  const { email, first_name, last_name, avatar, properties } = payload
+  return db.profile.update({
+    where: {
+      project_id_external_id: {
+        project_id: projectId,
+        external_id: profileId,
+      }
+    },
+    data: {
+      email,
+      first_name,
+      last_name,
+      avatar,
+      properties: {
+        ...(typeof oldProfile.properties === 'object' ? oldProfile.properties || {} : {}),
+        ...(properties || {}),
+      },
+    },
+  })
+}
+
+export async function getInternalProfileId(profileId?: string | null) {
+  if(!profileId) {
+    return null
+  }
+
+  const profile = await db.profile.findFirst({
+    where: {
+      external_id: profileId,
+    }
+  })
+
+  return profile?.id || null
+}

apps/backend/src/types/express.ts

@@ -0,0 +1,3 @@
+export type MixanRequest<Body> = Omit<Express.Request,'body'> & {
+  body: Body
+}

apps/backend/tsconfig.json

@@ -0,0 +1,22 @@
+{
+  "compilerOptions": {
+    "lib": ["ESNext"],
+    "module": "esnext",
+    "target": "esnext",
+    "moduleResolution": "bundler",
+    "moduleDetection": "force",
+    "allowImportingTsExtensions": true,
+    "noEmit": true,
+    "composite": true,
+    "strict": true,
+    "downlevelIteration": true,
+    "skipLibCheck": true,
+    "jsx": "react-jsx",
+    "allowSyntheticDefaultImports": true,
+    "forceConsistentCasingInFileNames": true,
+    "allowJs": true,
+    "types": [
+      "bun-types" // add Bun global
+    ]
+  }
+}