web & sdk: improved sdk (better failover and batching)

.gitignore

@@ -1,6 +1,7 @@
 # Based on https://raw.githubusercontent.com/github/gitignore/main/Node.gitignore
 packages/sdk/profileId.txt
 packages/sdk/test.ts
+dump.sql
 
 # Logs
 

apps/test/src/pages/_app.tsx

@@ -3,10 +3,11 @@ import { mixan } from '@/analytics';
 import type { AppProps } from 'next/app';
 import { useRouter } from 'next/router';
 
+mixan.init();
+
 export default function MyApp({ Component, pageProps }: AppProps) {
   const router = useRouter();
   useEffect(() => {
-    mixan.init();
     return router.events.on('routeChangeComplete', () => {
       mixan.screenView();
     });

apps/test/src/pages/test.tsx

@@ -1,9 +1,53 @@
+import { mixan } from '@/analytics';
 import Link from 'next/link';
 
 export default function Test() {
   return (
     <div>
       <Link href="/">Home</Link>
+      <button
+        onClick={() => {
+          mixan.setUser({
+            first_name: 'John',
+          });
+          mixan.setUser({
+            last_name: 'Doe',
+          });
+          mixan.setUser({
+            email: 'john.doe@gmail.com',
+          });
+          mixan.setUser({
+            id: '1234',
+          });
+        }}
+      >
+        Set user
+      </button>
+      <button
+        onClick={() => {
+          localStorage.clear();
+          window.location.reload();
+        }}
+      >
+        Clear storage and reload
+      </button>
+      <button
+        onClick={() => {
+          mixan.event('custom_click', {
+            custom_string: 'test',
+            custom_number: 1,
+          });
+        }}
+      >
+        Trigger event
+      </button>
+      <button
+        onClick={() => {
+          mixan.clear();
+        }}
+      >
+        Logout
+      </button>
     </div>
   );
 }

apps/web/prisma/migrations/20240110151531_add_cors_settings_on_client/migration.sql

@@ -0,0 +1,3 @@
+-- AlterTable
+ALTER TABLE "clients" ADD COLUMN     "cors" TEXT NOT NULL DEFAULT '*',
+ALTER COLUMN "secret" DROP NOT NULL;

apps/web/prisma/migrations/20240112083054_add_failed_events/migration.sql

@@ -0,0 +1,9 @@
+-- CreateTable
+CREATE TABLE "event_failed" (
+    "id" UUID NOT NULL DEFAULT gen_random_uuid(),
+    "data" JSONB NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "event_failed_pkey" PRIMARY KEY ("id")
+);

apps/web/prisma/schema.prisma

@@ -90,14 +90,24 @@ model Profile {
   @@map("profiles")
 }
 
+model EventFailed {
+  id        String   @id @default(dbgenerated("gen_random_uuid()")) @db.Uuid
+  data      Json
+  createdAt DateTime @default(now())
+  updatedAt DateTime @default(now()) @updatedAt
+
+  @@map("event_failed")
+}
+
 model Client {
   id              String       @id @default(dbgenerated("gen_random_uuid()")) @db.Uuid
   name            String
-  secret          String
+  secret          String?
   project_id      String       @db.Uuid
   project         Project      @relation(fields: [project_id], references: [id])
   organization_id String       @db.Uuid
   organization    Organization @relation(fields: [organization_id], references: [id])
+  cors            String       @default("*")
 
   createdAt DateTime @default(now())
   updatedAt DateTime @default(now()) @updatedAt

apps/web/src/components/Syntax.tsx

@@ -9,5 +9,9 @@ interface SyntaxProps {
 }
 
 export default function Syntax({ code }: SyntaxProps) {
-  return <SyntaxHighlighter style={docco}>{code}</SyntaxHighlighter>;
+  return (
+    <SyntaxHighlighter wrapLongLines style={docco}>
+      {code}
+    </SyntaxHighlighter>
+  );
 }

apps/web/src/components/clients/table.tsx

@@ -23,17 +23,26 @@ export const columns: ColumnDef<IClientWithProject>[] = [
     accessorKey: 'id',
     header: 'Client ID',
   },
+  {
+    accessorKey: 'cors',
+    header: 'Cors',
+  },
   {
     accessorKey: 'secret',
     header: 'Secret',
-    cell: () => <div className="italic text-muted-foreground">Hidden</div>,
+    cell: (info) =>
+      info.getValue() ? (
+        <div className="italic text-muted-foreground">Hidden</div>
+      ) : (
+        'None'
+      ),
   },
   {
     accessorKey: 'createdAt',
     header: 'Created at',
     cell({ row }) {
       const date = row.original.createdAt;
-      return <div>{formatDate(date)}</div>;
+      return formatDate(date);
     },
   },
   {

apps/web/src/components/forms/InputWithLabel.tsx

@@ -9,9 +9,9 @@ type InputWithLabelProps = InputProps & {
 };
 
 export const InputWithLabel = forwardRef<HTMLInputElement, InputWithLabelProps>(
-  ({ label, ...props }, ref) => {
+  ({ label, className, ...props }, ref) => {
     return (
-      <div>
+      <div className={className}>
         <Label htmlFor={label} className="block mb-2">
           {label}
         </Label>

apps/web/src/modals/AddClient.tsx

@@ -1,8 +1,10 @@
 import { ButtonContainer } from '@/components/ButtonContainer';
 import { InputWithLabel } from '@/components/forms/InputWithLabel';
 import { Button } from '@/components/ui/button';
+import { Checkbox } from '@/components/ui/checkbox';
 import { Combobox } from '@/components/ui/combobox';
 import { Label } from '@/components/ui/label';
+import { RadioGroup, RadioGroupItem } from '@/components/ui/radio-group';
 import { toast } from '@/components/ui/use-toast';
 import { useOrganizationParams } from '@/hooks/useOrganizationParams';
 import { useRefetchActive } from '@/hooks/useRefetchActive';
@@ -11,7 +13,7 @@ import { clipboard } from '@/utils/clipboard';
 import { zodResolver } from '@hookform/resolvers/zod';
 import { Copy } from 'lucide-react';
 import dynamic from 'next/dynamic';
-import { Controller, useForm } from 'react-hook-form';
+import { Controller, useForm, useWatch } from 'react-hook-form';
 import { z } from 'zod';
 
 import { popModal } from '.';
@@ -21,6 +23,8 @@ const Syntax = dynamic(import('@/components/Syntax'));
 
 const validator = z.object({
   name: z.string().min(1, 'Required'),
+  cors: z.string().min(1, 'Required'),
+  withCors: z.boolean(),
   projectId: z.string().min(1, 'Required'),
 });
 
@@ -46,12 +50,29 @@ export default function CreateProject() {
     resolver: zodResolver(validator),
     defaultValues: {
       name: '',
+      cors: '*',
       projectId: '',
+      withCors: true,
     },
   });
 
+  const withCors = useWatch({
+    control,
+    name: 'withCors',
+  });
+
   if (mutation.isSuccess && mutation.data) {
-    const { clientId, clientSecret } = mutation.data;
+    const { clientId, clientSecret, cors } = mutation.data;
+    const snippet = clientSecret
+      ? `const mixan = new Mixan({
+  clientId: "${clientId}",
+  // Avoid using this on web, rely on cors settings instead
+  // Mostly for react-native and node/backend
+  clientSecret: "${clientSecret}",
+})`
+      : `const mixan = new Mixan({
+  clientId: "${clientId}",
+})`;
     return (
       <ModalContent>
         <ModalHeader title="Client created 🚀" />
@@ -60,6 +81,13 @@ export default function CreateProject() {
           so keep it safe 🫣
         </p>
 
+        <button className="mt-4 text-left" onClick={() => clipboard(cors)}>
+          <Label>Cors settings</Label>
+          <div className="flex items-center justify-between rounded bg-gray-100 p-2 px-3">
+            {cors}
+            <Copy size={16} />
+          </div>
+        </button>
         <button className="mt-4 text-left" onClick={() => clipboard(clientId)}>
           <Label>Client ID</Label>
           <div className="flex items-center justify-between rounded bg-gray-100 p-2 px-3">
@@ -67,25 +95,22 @@ export default function CreateProject() {
             <Copy size={16} />
           </div>
         </button>
-        <button
-          className="mt-4 text-left"
-          onClick={() => clipboard(clientSecret)}
-        >
-          <Label>Client Secret</Label>
-          <div className="flex items-center justify-between rounded bg-gray-100 p-2 px-3">
-            {clientSecret}
-            <Copy size={16} />
-          </div>
-        </button>
+        {clientSecret && (
+          <button
+            className="mt-4 text-left"
+            onClick={() => clipboard(clientSecret)}
+          >
+            <Label>Client Secret</Label>
+            <div className="flex items-center justify-between rounded bg-gray-100 p-2 px-3">
+              {clientSecret}
+              <Copy size={16} />
+            </div>
+          </button>
+        )}
         <div className="mt-4">
           <Label>Code snippet</Label>
-          <div className="overflow-x-auto [&_pre]:!rounded [&_pre]:!bg-gray-100 [&_pre]:text-sm">
-            <Syntax
-              code={`const mixan = new Mixan({
-  clientId: "${clientId}",
-  clientSecret: "${clientSecret}",
-})`}
-            />
+          <div className="[&_pre]:!rounded [&_pre]:!bg-gray-100 [&_pre]:text-sm">
+            <Syntax code={snippet} />
           </div>
         </div>
 
@@ -114,6 +139,36 @@ export default function CreateProject() {
           {...register('name')}
           className="mb-4"
         />
+
+        <Controller
+          name="withCors"
+          control={control}
+          render={({ field }) => (
+            <label className="flex items-center gap-2 text-sm font-medium leading-none mb-4">
+              <Checkbox
+                ref={field.ref}
+                onBlur={field.onBlur}
+                defaultChecked={field.value}
+                onCheckedChange={(checked) => {
+                  field.onChange(checked);
+                }}
+              />
+              Auth with cors settings
+            </label>
+          )}
+        />
+        {withCors && (
+          <>
+            <InputWithLabel
+              label="Cors"
+              placeholder="Cors"
+              {...register('cors')}
+            />
+            <div className="text-xs text-muted-foreground mb-4 mt-1">
+              Restrict access by domain names (include https://)
+            </div>
+          </>
+        )}
         <Controller
           control={control}
           name="projectId"

apps/web/src/modals/EditClient.tsx

@@ -19,6 +19,7 @@ interface EditClientProps {
 const validator = z.object({
   id: z.string().min(1),
   name: z.string().min(1),
+  cors: z.string().min(1),
 });
 
 type IForm = z.infer<typeof validator>;
@@ -43,6 +44,7 @@ export default function EditClient({ id }: EditClientProps) {
     defaultValues: {
       id: '',
       name: '',
+      cors: '',
     },
   });
 
@@ -60,7 +62,18 @@ export default function EditClient({ id }: EditClientProps) {
           mutation.mutate(values);
         })}
       >
-        <InputWithLabel label="Name" placeholder="Name" {...register('name')} />
+        <div className="flex flex-col gap-4">
+          <InputWithLabel
+            label="Name"
+            placeholder="Name"
+            {...register('name')}
+          />
+          <InputWithLabel
+            label="Cors"
+            placeholder="Cors"
+            {...register('cors')}
+          />
+        </div>
         <ButtonContainer>
           <Button type="button" variant="outline" onClick={() => popModal()}>
             Cancel

apps/web/src/pages/api/sdk/batch.ts

@@ -0,0 +1,238 @@
+import { validateSdkRequest } from '@/server/auth';
+import { db } from '@/server/db';
+import { createError, handleError } from '@/server/exceptions';
+import { tickProfileProperty } from '@/server/services/profile.service';
+import { Prisma } from '@prisma/client';
+import type { NextApiRequest, NextApiResponse } from 'next';
+import { mergeDeepRight } from 'ramda';
+
+import type { BatchPayload } from '@mixan/types';
+
+interface Request extends NextApiRequest {
+  body: BatchPayload[];
+}
+
+export const config = {
+  api: {
+    responseLimit: false,
+  },
+};
+
+export default async function handler(req: Request, res: NextApiResponse) {
+  if (req.method == 'OPTIONS') {
+    await validateSdkRequest(req, res);
+    return res.status(200).json({});
+  }
+
+  if (req.method !== 'POST') {
+    return handleError(res, createError(405, 'Method not allowed'));
+  }
+
+  const time = Date.now();
+
+  try {
+    // Check client id & secret
+    const projectId = await validateSdkRequest(req, res);
+
+    const profileIds = new Set<string>(
+      req.body
+        .map((item) => item.payload.profileId)
+        .filter((id): id is string => typeof id === 'string' && id.length > 0)
+    );
+
+    if (profileIds.size === 0) {
+      return res.status(400).json({ status: 'error' });
+    }
+
+    const profiles = await db.profile.findMany({
+      where: {
+        id: {
+          in: Array.from(profileIds),
+        },
+      },
+    });
+
+    // eslint-disable-next-line no-inner-declarations
+    async function getProfile(profileId: string) {
+      const profile = profiles.find((profile) => profile.id === profileId);
+      if (profile) {
+        return profile;
+      }
+
+      const created = await db.profile.create({
+        data: {
+          id: profileId,
+          properties: {},
+          project_id: projectId,
+        },
+      });
+
+      profiles.push(created);
+
+      return created;
+    }
+
+    const mergedBody: BatchPayload[] = req.body.reduce((acc, item) => {
+      const canMerge =
+        item.type === 'update_profile' || item.type === 'update_session';
+
+      if (!canMerge) {
+        return [...acc, item];
+      }
+
+      const match = acc.findIndex(
+        (i) =>
+          i.type === item.type && i.payload.profileId === item.payload.profileId
+      );
+
+      if (acc[match]) {
+        acc[match]!.payload = mergeDeepRight(acc[match]!.payload, item.payload);
+      } else {
+        acc.push(item);
+      }
+
+      return acc;
+    }, [] as BatchPayload[]);
+
+    const failedEvents: BatchPayload[] = [];
+
+    for (const item of mergedBody) {
+      try {
+        const { type, payload } = item;
+        const profile = await getProfile(payload.profileId);
+        switch (type) {
+          case 'create_profile': {
+            profile.properties = {
+              ...(typeof profile.properties === 'object'
+                ? profile.properties ?? {}
+                : {}),
+              ...(payload.properties ?? {}),
+            };
+            await db.profile.update({
+              where: {
+                id: payload.profileId,
+              },
+              data: {
+                properties: profile.properties,
+              },
+            });
+            break;
+          }
+          case 'update_profile': {
+            profile.properties = {
+              ...(typeof profile.properties === 'object'
+                ? profile.properties ?? {}
+                : {}),
+              ...(payload.properties ?? {}),
+            };
+            await db.profile.update({
+              where: {
+                id: payload.profileId,
+              },
+              data: {
+                external_id: payload.id,
+                email: payload.email,
+                first_name: payload.first_name,
+                last_name: payload.last_name,
+                avatar: payload.avatar,
+                properties: profile.properties,
+              },
+            });
+            break;
+          }
+          case 'set_profile_property': {
+            if (
+              typeof (profile.properties as Record<string, unknown>)[
+                payload.name
+              ] === 'undefined'
+            ) {
+              (profile.properties as Record<string, unknown>)[payload.name] =
+                payload.value;
+
+              await db.profile.update({
+                where: {
+                  id: payload.profileId,
+                },
+                data: {
+                  // @ts-expect-error
+                  properties: profile.properties,
+                },
+              });
+            }
+            break;
+          }
+          case 'increment': {
+            await tickProfileProperty({
+              profileId: payload.profileId,
+              name: payload.name,
+              tick: payload.value,
+            });
+            break;
+          }
+          case 'decrement': {
+            await tickProfileProperty({
+              profileId: payload.profileId,
+              name: payload.name,
+              tick: -Math.abs(payload.value),
+            });
+            break;
+          }
+          case 'event': {
+            await db.event.create({
+              data: {
+                name: payload.name,
+                properties: payload.properties,
+                createdAt: payload.time,
+                project_id: projectId,
+                profile_id: payload.profileId,
+              },
+            });
+            break;
+          }
+          case 'update_session': {
+            const session = await db.event.findFirst({
+              where: {
+                profile_id: payload.profileId,
+                project_id: projectId,
+                name: 'session_start',
+              },
+              orderBy: {
+                createdAt: 'desc',
+              },
+            });
+            if (session) {
+              await db.$executeRawUnsafe(
+                `UPDATE events SET properties = '${JSON.stringify(
+                  payload.properties
+                )}' || properties WHERE "createdAt" >= '${session.createdAt.toISOString()}' AND profile_id = '${
+                  payload.profileId
+                }'`
+              );
+            }
+            break;
+          }
+        }
+      } catch (error) {
+        console.log(`Failed to create "${item.type}"`);
+        console.log('  > Payload:', item.payload);
+        console.log('  > Error:', error);
+        failedEvents.push(item);
+      }
+    } // end for
+
+    await db.eventFailed.createMany({
+      data: failedEvents.map((item) => ({
+        data: item as Record<string, any>,
+      })),
+    });
+
+    console.log('Batch took', Date.now() - time, 'ms', {
+      events: req.body.length,
+      combined: mergedBody.length,
+    });
+
+    res.status(200).json({ status: 'ok' });
+  } catch (error) {
+    handleError(res, error);
+  }
+}

apps/web/src/pages/api/sdk/events.ts

@@ -11,7 +11,8 @@ interface Request extends NextApiRequest {
 
 export default async function handler(req: Request, res: NextApiResponse) {
   if (req.method == 'OPTIONS') {
-    return res.status(202).json({});
+    await validateSdkRequest(req, res);
+    return res.status(200).json({});
   }
 
   if (req.method !== 'POST') {
@@ -20,7 +21,7 @@ export default async function handler(req: Request, res: NextApiResponse) {
 
   try {
     // Check client id & secret
-    const projectId = await validateSdkRequest(req);
+    const projectId = await validateSdkRequest(req, res);
 
     await db.event.createMany({
       data: req.body.map((event) => ({

apps/web/src/pages/api/sdk/profiles/[profileId]/decrement.ts

@@ -11,7 +11,8 @@ interface Request extends NextApiRequest {
 
 export default async function handler(req: Request, res: NextApiResponse) {
   if (req.method == 'OPTIONS') {
-    return res.status(202).json({});
+    await validateSdkRequest(req, res);
+    return res.status(200).json({});
   }
 
   if (req.method !== 'PUT') {
@@ -20,7 +21,7 @@ export default async function handler(req: Request, res: NextApiResponse) {
 
   try {
     // Check client id & secret
-    await validateSdkRequest(req);
+    await validateSdkRequest(req, res);
 
     const profileId = req.query.profileId as string;
 

apps/web/src/pages/api/sdk/profiles/[profileId]/increment.ts

@@ -11,7 +11,8 @@ interface Request extends NextApiRequest {
 
 export default async function handler(req: Request, res: NextApiResponse) {
   if (req.method == 'OPTIONS') {
-    return res.status(202).json({});
+    await validateSdkRequest(req, res);
+    return res.status(200).json({});
   }
 
   if (req.method !== 'PUT') {
@@ -20,7 +21,7 @@ export default async function handler(req: Request, res: NextApiResponse) {
 
   try {
     // Check client id & secret
-    await validateSdkRequest(req);
+    await validateSdkRequest(req, res);
 
     const profileId = req.query.profileId as string;
 

apps/web/src/pages/api/sdk/profiles/[profileId]/index.ts

@@ -12,7 +12,8 @@ interface Request extends NextApiRequest {
 
 export default async function handler(req: Request, res: NextApiResponse) {
   if (req.method == 'OPTIONS') {
-    return res.status(202).json({});
+    await validateSdkRequest(req, res);
+    return res.status(200).json({});
   }
 
   if (req.method !== 'PUT' && req.method !== 'POST') {
@@ -21,7 +22,7 @@ export default async function handler(req: Request, res: NextApiResponse) {
 
   try {
     // Check client id & secret
-    await validateSdkRequest(req);
+    await validateSdkRequest(req, res);
 
     const profileId = req.query.profileId as string;
     const profile = await getProfile(profileId);

apps/web/src/pages/api/sdk/profiles/index.ts

@@ -4,16 +4,20 @@ import { createError, handleError } from '@/server/exceptions';
 import type { NextApiRequest, NextApiResponse } from 'next';
 import randomAnimalName from 'random-animal-name';
 
+import type {
+  CreateProfilePayload,
+  CreateProfileResponse,
+  ProfilePayload,
+} from '@mixan/types';
+
 interface Request extends NextApiRequest {
-  body: {
-    id?: string;
-    properties?: Record<string, any>;
-  };
+  body: ProfilePayload | CreateProfilePayload;
 }
 
 export default async function handler(req: Request, res: NextApiResponse) {
   if (req.method == 'OPTIONS') {
-    return res.status(202).json({});
+    await validateSdkRequest(req, res);
+    return res.status(200).json({});
   }
 
   if (req.method !== 'POST') {
@@ -22,12 +26,15 @@ export default async function handler(req: Request, res: NextApiResponse) {
 
   try {
     // Check client id & secret
-    const projectId = await validateSdkRequest(req);
+    const projectId = await validateSdkRequest(req, res);
+
+    // Providing an `ID` is deprecated, should be removed in the future
+    const profileId = 'id' in req.body ? req.body.id : undefined;
+    const { properties } = req.body ?? {};
 
-    const { id, properties } = req.body ?? {};
     const profile = await db.profile.create({
       data: {
-        id,
+        id: profileId,
         external_id: null,
         email: null,
         first_name: randomAnimalName(),
@@ -40,7 +47,8 @@ export default async function handler(req: Request, res: NextApiResponse) {
       },
     });
 
-    res.status(200).json({ id: profile.id });
+    const response: CreateProfileResponse = { id: profile.id };
+    res.status(200).json(response);
   } catch (error) {
     handleError(res, error);
   }

apps/web/src/server/api/routers/client.ts

@@ -59,6 +59,7 @@ export const clientRouter = createTRPCRouter({
         name: z.string(),
         projectId: z.string(),
         organizationSlug: z.string(),
+        withCors: z.boolean().default(true),
       })
     )
     .mutation(async ({ input }) => {
@@ -69,13 +70,14 @@ export const clientRouter = createTRPCRouter({
           organization_id: organization.id,
           project_id: input.projectId,
           name: input.name,
-          secret: await hashPassword(secret),
+          secret: input.withCors ? null : await hashPassword(secret),
         },
       });
 
       return {
-        clientSecret: secret,
+        clientSecret: input.withCors ? null : secret,
         clientId: client.id,
+        cors: client.cors,
       };
     }),
   remove: protectedProcedure

apps/web/src/server/auth.ts

@@ -1,6 +1,10 @@
 import { db } from '@/server/db';
 import { verifyPassword } from '@/server/services/hash.service';
-import type { GetServerSidePropsContext, NextApiRequest } from 'next';
+import type {
+  GetServerSidePropsContext,
+  NextApiRequest,
+  NextApiResponse,
+} from 'next';
 import { getServerSession } from 'next-auth';
 import type { DefaultSession, NextAuthOptions } from 'next-auth';
 import Credentials from 'next-auth/providers/credentials';
@@ -98,7 +102,10 @@ export const getServerAuthSession = (ctx: {
   return getServerSession(ctx.req, ctx.res, authOptions);
 };
 
-export async function validateSdkRequest(req: NextApiRequest): Promise<string> {
+export async function validateSdkRequest(
+  req: NextApiRequest,
+  res: NextApiResponse
+): Promise<string> {
   const clientId = req?.headers['mixan-client-id'] as string | undefined;
   const clientSecret = req.headers['mixan-client-secret'] as string | undefined;
 
@@ -106,10 +113,6 @@ export async function validateSdkRequest(req: NextApiRequest): Promise<string> {
     throw createError(401, 'Misisng client id');
   }
 
-  if (!clientSecret) {
-    throw createError(401, 'Misisng client secret');
-  }
-
   const client = await db.client.findUnique({
     where: {
       id: clientId,
@@ -120,8 +123,12 @@ export async function validateSdkRequest(req: NextApiRequest): Promise<string> {
     throw createError(401, 'Invalid client id');
   }
 
-  if (!(await verifyPassword(clientSecret, client.secret))) {
-    throw createError(401, 'Invalid client secret');
+  if (client.secret) {
+    if (!(await verifyPassword(clientSecret || '', client.secret))) {
+      throw createError(401, 'Invalid client secret');
+    }
+  } else if (client.cors !== '*') {
+    res.setHeader('Access-Control-Allow-Origin', client.cors);
   }
 
   return client.project_id;

packages/sdk-native/index.ts

@@ -6,15 +6,8 @@ export class MixanNative extends Mixan {
     super(options);
   }
 
-  async properties() {
-    return {
-      ip: await super.ip(),
-    };
-  }
-
-  async init(properties: Record<string, unknown>) {
+  init(properties?: Record<string, unknown>) {
     super.init({
-      ...(await this.properties()),
       ...(properties ?? {}),
     });
   }

packages/sdk-web/index.ts

@@ -1,45 +1,56 @@
 import type { NewMixanOptions } from '@mixan/sdk';
 import { Mixan } from '@mixan/sdk';
+import type { PartialBy } from '@mixan/types';
 
 import { parseQuery } from './src/parseQuery';
 import { getDevice, getOS, getTimezone } from './src/utils';
 
-type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;
-type PartialBy<T, K extends keyof T> = Omit<T, K> & Partial<Pick<T, K>>;
-
 export class MixanWeb extends Mixan {
   constructor(
     options: PartialBy<NewMixanOptions, 'setItem' | 'removeItem' | 'getItem'>
   ) {
+    const hasStorage = typeof localStorage === 'undefined';
     super({
-      batchInterval: options.batchInterval ?? 1000,
-      setItem:
-        typeof localStorage === 'undefined'
-          ? () => {}
-          : localStorage.setItem.bind(localStorage),
-      removeItem:
-        typeof localStorage === 'undefined'
-          ? () => {}
-          : localStorage.removeItem.bind(localStorage),
-      getItem:
-        typeof localStorage === 'undefined'
-          ? () => null
-          : localStorage.getItem.bind(localStorage),
+      batchInterval: options.batchInterval ?? 2000,
+      setItem: hasStorage ? () => {} : localStorage.setItem.bind(localStorage),
+      removeItem: hasStorage
+        ? () => {}
+        : localStorage.removeItem.bind(localStorage),
+      getItem: hasStorage
+        ? () => null
+        : localStorage.getItem.bind(localStorage),
       ...options,
     });
   }
 
-  isServer() {
+  private isServer() {
     return typeof document === 'undefined';
   }
 
-  async properties() {
+  private parseUrl(url?: string) {
+    if (!url || url === '') {
+      return {
+        direct: true,
+      };
+    }
+
+    const ref = new URL(url);
+    return {
+      host: ref.host,
+      hostname: ref.hostname,
+      url: ref.href,
+      path: ref.pathname,
+      query: parseQuery(ref.search),
+      hash: ref.hash,
+    };
+  }
+
+  private properties() {
     return {
-      ip: await super.ip(),
       os: getOS(),
       device: getDevice(),
       ua: navigator.userAgent,
-      referrer: document.referrer,
+      referrer: this.parseUrl(document.referrer),
       language: navigator.language,
       timezone: getTimezone(),
       screen: {
@@ -47,22 +58,28 @@ export class MixanWeb extends Mixan {
         height: window.screen.height,
         pixelRatio: window.devicePixelRatio,
       },
+      title: document.title,
+      ...this.parseUrl(window.location.href),
     };
   }
 
-  async init(properties?: Record<string, unknown>) {
+  public init(properties?: Record<string, unknown>) {
     if (this.isServer()) {
       return;
     }
 
     super.init({
-      ...(await this.properties()),
+      ...this.properties(),
       ...(properties ?? {}),
     });
     this.screenView();
+
+    window.addEventListener('beforeunload', () => {
+      this.flush();
+    });
   }
 
-  trackOutgoingLinks() {
+  public trackOutgoingLinks() {
     if (this.isServer()) {
       return;
     }
@@ -82,16 +99,15 @@ export class MixanWeb extends Mixan {
     });
   }
 
-  screenView(properties?: Record<string, unknown>): void {
+  public screenView(properties?: Record<string, unknown>): void {
     if (this.isServer()) {
       return;
     }
 
     super.event('screen_view', {
       ...properties,
-      route: window.location.pathname,
-      url: window.location.href,
-      query: parseQuery(window.location.search ?? ''),
+      ...this.parseUrl(window.location.href),
+      title: document.title,
     });
   }
 }

packages/sdk/index.ts

@@ -1,37 +1,60 @@
 import type {
-  EventPayload,
+  BatchPayload,
+  BatchUpdateProfilePayload,
+  BatchUpdateSessionPayload,
   MixanErrorResponse,
-  ProfilePayload,
 } from '@mixan/types';
 
+type MixanLogger = (...args: unknown[]) => void;
+
 export interface NewMixanOptions {
   url: string;
   clientId: string;
-  clientSecret: string;
+  clientSecret?: string;
   batchInterval?: number;
   maxBatchSize?: number;
   sessionTimeout?: number;
   session?: boolean;
   verbose?: boolean;
-  profile?: boolean;
   trackIp?: boolean;
+  ipUrl?: string;
   setItem: (key: string, profileId: string) => void;
   getItem: (key: string) => string | null;
   removeItem: (key: string) => void;
 }
+
 export type MixanOptions = Required<NewMixanOptions>;
 
+export interface MixanState {
+  profileId: string;
+  lastEventAt: number;
+  properties: Record<string, unknown>;
+}
+
+function createLogger(verbose: boolean): MixanLogger {
+  return verbose ? (...args) => console.log('[Mixan]', ...args) : () => {};
+}
+
+function uuid() {
+  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
+    const r = (Math.random() * 16) | 0;
+    const v = c === 'x' ? r : (r & 0x3) | 0x8;
+    return v.toString(16);
+  });
+}
+
 class Fetcher {
   private url: string;
   private clientId: string;
   private clientSecret: string;
-  private logger: (...args: any[]) => void;
 
-  constructor(options: MixanOptions) {
+  constructor(
+    options: MixanOptions,
+    private logger: MixanLogger
+  ) {
     this.url = options.url;
     this.clientId = options.clientId;
     this.clientSecret = options.clientSecret;
-    this.logger = options.verbose ? console.log : () => {};
   }
 
   post<PostData, PostResponse>(
@@ -40,91 +63,96 @@ class Fetcher {
     options?: RequestInit
   ): Promise<PostResponse | null> {
     const url = `${this.url}${path}`;
-    this.logger(`Mixan request: ${url}`, JSON.stringify(data, null, 2));
+    let timer: ReturnType<typeof setTimeout>;
 
-    return fetch(url, {
-      headers: {
-        ['mixan-client-id']: this.clientId,
-        ['mixan-client-secret']: this.clientSecret,
-        'Content-Type': 'application/json',
-      },
-      method: 'POST',
-      body: JSON.stringify(data ?? {}),
-      keepalive: true,
-      ...(options ?? {}),
-    })
-      .then(async (res) => {
-        const response = (await res.json()) as
-          | MixanErrorResponse
-          | PostResponse;
+    return new Promise((resolve) => {
+      const wrappedFetch = (attempt: number) => {
+        clearTimeout(timer);
 
-        if (!response) {
-          return null;
-        }
-
-        if (
-          typeof response === 'object' &&
-          'status' in response &&
-          response.status === 'error'
-        ) {
-          this.logger(
-            `Mixan request failed: [${options?.method ?? 'POST'}] ${url}`,
-            JSON.stringify(response, null, 2)
-          );
-          return null;
-        }
-
-        return response as PostResponse;
-      })
-      .catch(() => {
         this.logger(
-          `Mixan request failed: [${options?.method ?? 'POST'}] ${url}`
+          `Request attempt ${attempt + 1}: ${url}`,
+          JSON.stringify(data, null, 2)
         );
-        return null;
-      });
+
+        fetch(url, {
+          headers: {
+            ['mixan-client-id']: this.clientId,
+            ['mixan-client-secret']: this.clientSecret,
+            'Content-Type': 'application/json',
+          },
+          method: 'POST',
+          body: JSON.stringify(data ?? {}),
+          keepalive: true,
+          ...(options ?? {}),
+        })
+          .then(async (res) => {
+            if (res.status !== 200) {
+              return retry(attempt, resolve);
+            }
+
+            const response = (await res.json()) as
+              | MixanErrorResponse
+              | PostResponse;
+
+            if (!response) {
+              return resolve(null);
+            }
+
+            resolve(response as PostResponse);
+          })
+          .catch(() => {
+            return retry(attempt, resolve);
+          });
+      };
+
+      function retry(
+        attempt: number,
+        resolve: (value: PostResponse | null) => void
+      ) {
+        if (attempt > 3) {
+          return resolve(null);
+        }
+
+        timer = setTimeout(
+          () => {
+            wrappedFetch(attempt + 1);
+          },
+          Math.pow(2, attempt) * 500
+        );
+      }
+
+      wrappedFetch(0);
+    });
   }
 }
 
-class Batcher<T> {
-  queue: T[] = [];
+class Batcher {
+  queue: BatchPayload[] = [];
   timer?: ReturnType<typeof setTimeout>;
-  callback: (queue: T[]) => void;
-  maxBatchSize: number;
-  batchInterval: number;
 
-  constructor(options: MixanOptions, callback: (queue: T[]) => void) {
-    this.callback = callback;
-    this.maxBatchSize = options.maxBatchSize;
-    this.batchInterval = options.batchInterval;
-  }
+  constructor(
+    private options: MixanOptions,
+    private callback: (payload: BatchPayload[]) => void,
+    private logger: MixanLogger
+  ) {}
 
-  add(payload: T) {
-    this.queue.push(payload);
-    this.flush();
-  }
-
-  flush() {
+  add(action: BatchPayload) {
     if (this.timer) {
       clearTimeout(this.timer);
     }
 
-    if (this.queue.length === 0) {
-      return;
-    }
+    this.logger(`Add to queue ${action.type}`);
+    this.queue.push(action);
 
-    if (this.queue.length >= this.maxBatchSize) {
+    if (this.queue.length >= this.options.maxBatchSize) {
       this.send();
-      return;
+    } else {
+      this.timer = setTimeout(this.send.bind(this), this.options.batchInterval);
     }
-
-    this.timer = setTimeout(this.send.bind(this), this.batchInterval);
   }
 
   send() {
-    if (this.timer) {
-      clearTimeout(this.timer);
-    }
-
+    this.logger('Send queue', this.queue.length > 0);
     if (this.queue.length > 0) {
       this.callback(this.queue);
       this.queue = [];
@@ -133,17 +161,18 @@ class Batcher<T> {
 }
 
 export class Mixan {
-  private fetch: Fetcher;
-  private eventBatcher: Batcher<EventPayload>;
-  private profileId?: string;
   private options: MixanOptions;
+  private fetch: Fetcher;
+  private batcher: Batcher;
   private logger: (...args: any[]) => void;
-  private globalProperties: Record<string, unknown> = {};
-  private lastEventAt: string;
-  private promiseIp: Promise<string | null>;
+  private state: MixanState = {
+    profileId: '',
+    lastEventAt: 0,
+    properties: {},
+  };
 
   constructor(options: NewMixanOptions) {
-    this.logger = options.verbose ? console.log : () => {};
+    this.logger = createLogger(options.verbose ?? false);
     this.options = {
       sessionTimeout: 1000 * 60 * 30,
       session: true,
@@ -151,210 +180,234 @@ export class Mixan {
       batchInterval: 10000,
       maxBatchSize: 10,
       trackIp: false,
-      profile: true,
+      clientSecret: '',
+      ipUrl: 'https://api.ipify.org',
       ...options,
     };
-
-    this.lastEventAt =
-      this.options.getItem('@mixan:lastEventAt') ?? '1970-01-01';
-    this.fetch = new Fetcher(this.options);
-    this.eventBatcher = new Batcher(this.options, (queue) => {
-      this.fetch.post(
-        '/events',
-        queue.map((item) => ({
-          ...item,
-          properties: {
-            ...this.globalProperties,
-            ...item.properties,
-          },
-          profileId: item.profileId ?? this.profileId ?? null,
-        }))
-      );
-    });
-
-    this.promiseIp = this.options.trackIp
-      ? fetch('https://api.ipify.org')
-          .then((res) => res.text())
-          .catch(() => null)
-      : Promise.resolve(null);
+    this.fetch = new Fetcher(this.options, this.logger);
+    this.batcher = new Batcher(
+      this.options,
+      (queue) => {
+        this.fetch.post('/batch', queue);
+      },
+      this.logger
+    );
   }
 
-  async ip() {
-    return this.promiseIp;
+  // Public
+
+  public init(properties?: Record<string, unknown>) {
+    this.logger('Init');
+    this.state.properties = properties ?? {};
+    this.createProfile();
+    this.createSession();
+    this.ipLookup();
   }
 
-  timestamp(modify = 0) {
-    return new Date(Date.now() + modify).toISOString();
-  }
+  public setUser(payload: Omit<BatchUpdateProfilePayload, 'profileId'>) {
+    this.createSession();
 
-  init(properties?: Record<string, unknown>) {
-    if (properties) {
-      this.setGlobalProperties(properties);
-    }
-    this.logger('Mixan: Init');
-    this.setAnonymousUser();
-  }
-
-  event(name: string, properties: Record<string, unknown> = {}) {
-    const now = new Date();
-    const isSessionStart =
-      this.options.session &&
-      now.getTime() - new Date(this.lastEventAt).getTime() >
-        this.options.sessionTimeout;
-
-    if (isSessionStart) {
-      this.logger('Mixan: Session start');
-      this.eventBatcher.add({
-        name: 'session_start',
-        time: this.timestamp(-10),
-        properties: {},
-        profileId: this.profileId ?? null,
-      });
-    }
-
-    this.logger('Mixan: Queue event', name);
-    this.eventBatcher.add({
-      name,
-      properties,
-      time: this.timestamp(),
-      profileId: this.profileId ?? null,
-    });
-    this.lastEventAt = this.timestamp();
-    this.options.setItem('@mixan:lastEventAt', this.lastEventAt);
-  }
-
-  private async setAnonymousUser(retryCount = 0) {
-    if (!this.options.profile) {
-      return;
-    }
-    const profileId = this.options.getItem('@mixan:profileId');
-    if (profileId) {
-      this.profileId = profileId;
-      await this.setUser({
-        properties: this.globalProperties,
-      });
-      this.logger('Mixan: Use existing profile', this.profileId);
-    } else {
-      const res = await this.fetch.post<ProfilePayload, { id: string }>(
-        '/profiles',
-        {
-          properties: this.globalProperties,
-        }
-      );
-
-      if (res) {
-        this.profileId = res.id;
-        this.options.setItem('@mixan:profileId', res.id);
-        this.logger('Mixan: Create new profile', this.profileId);
-      } else if (retryCount < 2) {
-        setTimeout(() => {
-          this.setAnonymousUser(retryCount + 1);
-        }, 500);
-      } else {
-        this.logger('Mixan: Failed to create new profile');
-      }
-    }
-  }
-
-  async setUser(profile: ProfilePayload) {
-    if (!this.options.profile) {
-      return;
-    }
-    if (!this.profileId) {
-      return this.logger('Mixan: Set user failed, no profileId');
-    }
-    this.logger('Mixan: Set user', profile);
-    await this.fetch.post(`/profiles/${this.profileId}`, profile, {
-      method: 'PUT',
-    });
-  }
-
-  async setUserProperty(
-    name: string,
-    value: string | number | boolean | Record<string, unknown> | unknown[]
-  ) {
-    if (!this.options.profile) {
-      return;
-    }
-    if (!this.profileId) {
-      return this.logger('Mixan: Set user property, no profileId');
-    }
-    this.logger('Mixan: Set user property', name, value);
-    await this.fetch.post(`/profiles/${this.profileId}`, {
-      properties: {
-        [name]: value,
+    this.batcher.add({
+      type: 'update_profile',
+      payload: {
+        ...payload,
+        properties: payload.properties ?? {},
+        profileId: this.state.profileId,
       },
     });
   }
 
-  setGlobalProperties(properties: Record<string, unknown>) {
+  public setSession(properties: BatchUpdateSessionPayload['properties']) {
+    this.createSession();
+
+    this.batcher.add({
+      type: 'update_session',
+      payload: {
+        properties,
+        profileId: this.state.profileId,
+      },
+    });
+  }
+
+  public increment(name: string, value: number) {
+    this.createSession();
+
+    this.batcher.add({
+      type: 'increment',
+      payload: {
+        name,
+        value,
+        profileId: this.state.profileId,
+      },
+    });
+  }
+
+  public decrement(name: string, value: number) {
+    this.createSession();
+
+    this.batcher.add({
+      type: 'decrement',
+      payload: {
+        name,
+        value,
+        profileId: this.state.profileId,
+      },
+    });
+  }
+
+  public event(name: string, properties?: Record<string, unknown>) {
+    this.createSession();
+
+    this.batcher.add({
+      type: 'event',
+      payload: {
+        name,
+        properties: {
+          ...this.state.properties,
+          ...(properties ?? {}),
+        },
+        time: this.timestamp(),
+        profileId: this.state.profileId,
+      },
+    });
+  }
+
+  public setGlobalProperties(properties: Record<string, unknown>) {
     if (typeof properties !== 'object') {
       return this.logger(
-        'Mixan: Set global properties failed, properties must be an object'
+        'Set global properties failed, properties must be an object'
       );
     }
-    this.logger('Mixan: Set global properties', properties);
-    this.globalProperties = {
-      ...this.globalProperties,
+
+    this.logger('Set global properties', properties);
+    this.state.properties = {
+      ...this.state.properties,
       ...properties,
     };
   }
 
-  async increment(name: string, value = 1) {
-    if (!this.options.profile) {
-      return;
-    }
-    if (!this.profileId) {
-      this.logger('Mixan: Increment failed, no profileId');
-      return;
-    }
-
-    this.logger('Mixan: Increment user property', name, value);
-    await this.fetch.post(
-      `/profiles/${this.profileId}/increment`,
-      {
-        name,
-        value,
-      },
-      {
-        method: 'PUT',
-      }
-    );
+  public flush() {
+    this.batcher.send();
   }
 
-  async decrement(name: string, value = 1) {
-    if (!this.options.profile) {
-      return;
-    }
-    if (!this.profileId) {
-      this.logger('Mixan: Decrement failed, no profileId');
-      return;
-    }
-
-    this.logger('Mixan: Decrement user property', name, value);
-    await this.fetch.post(
-      `/profiles/${this.profileId}/decrement`,
-      {
-        name,
-        value,
-      },
-      {
-        method: 'PUT',
-      }
-    );
-  }
-
-  flush() {
-    this.logger('Mixan: Flushing events queue');
-    this.eventBatcher.send();
-  }
-
-  clear() {
-    this.logger('Mixan: Clear, send remaining events and remove profileId');
-    this.eventBatcher.send();
+  public clear() {
+    this.logger('Clear / Logout');
+    this.flush();
+    this.options.removeItem('@mixan:ip');
     this.options.removeItem('@mixan:profileId');
     this.options.removeItem('@mixan:lastEventAt');
-    this.profileId = undefined;
-    this.setAnonymousUser();
+    this.state.profileId = '';
+    this.state.lastEventAt = 0;
+    this.createProfile();
+  }
+
+  public setUserProperty(name: string, value: unknown, update = true) {
+    this.batcher.add({
+      type: 'set_profile_property',
+      payload: {
+        name,
+        value,
+        update,
+        profileId: this.state.profileId,
+      },
+    });
+  }
+
+  // Private
+
+  private timestamp(modify = 0) {
+    this.setLastEventAt();
+    return new Date(Date.now() + modify).toISOString();
+  }
+
+  private createProfile() {
+    const profileId = this.options.getItem('@mixan:profileId');
+
+    if (profileId) {
+      this.logger('Reusing existing profile');
+      this.state.profileId = profileId;
+    } else {
+      this.logger('Creating profile');
+      this.state.profileId = uuid();
+      this.options.setItem('@mixan:profileId', this.state.profileId);
+      this.batcher.add({
+        type: 'create_profile',
+        payload: {
+          profileId: this.state.profileId,
+          properties: this.state.properties,
+        },
+      });
+    }
+  }
+
+  private checkSession() {
+    if (!this.options.session) {
+      return false;
+    }
+
+    if (this.state.lastEventAt === 0) {
+      const str = this.options.getItem('@mixan:lastEventAt') ?? '0';
+      const value = parseInt(str, 10);
+      this.state.lastEventAt = isNaN(value) ? 0 : value;
+    }
+
+    return Date.now() - this.state.lastEventAt > this.options.sessionTimeout;
+  }
+
+  private createSession() {
+    if (!this.checkSession()) {
+      return;
+    }
+
+    const time = this.timestamp(-10);
+
+    this.batcher.add({
+      type: 'event',
+      payload: {
+        name: 'session_start',
+        properties: this.state.properties,
+        profileId: this.state.profileId,
+        time,
+      },
+    });
+  }
+
+  private setLastEventAt() {
+    this.state.lastEventAt = Date.now();
+    this.options.setItem(
+      '@mixan:lastEventAt',
+      this.state.lastEventAt.toString()
+    );
+  }
+
+  private async ipLookup() {
+    if (!this.options.trackIp) {
+      return null;
+    }
+
+    let ip: string | null;
+
+    const cachedIp = this.options.getItem('@mixan:ip');
+    if (cachedIp) {
+      ip = cachedIp;
+    } else {
+      const controller = new AbortController();
+      const timeout = setTimeout(() => controller.abort(), 1000);
+      ip = await fetch(this.options.ipUrl, {
+        signal: controller.signal,
+      })
+        .then((res) => res.text())
+        .catch(() => null)
+        .finally(() => clearTimeout(timeout));
+    }
+
+    if (ip) {
+      this.options.setItem('@mixan:ip', ip);
+      this.setGlobalProperties({ ip });
+      if (!cachedIp) {
+        this.setUserProperty('ip', ip, false);
+        this.setSession({ ip });
+      }
+    }
   }
 }

packages/sdk/index_old.ts

@@ -0,0 +1,360 @@
+import type {
+  EventPayload,
+  MixanErrorResponse,
+  ProfilePayload,
+} from '@mixan/types';
+
+export interface NewMixanOptions {
+  url: string;
+  clientId: string;
+  clientSecret: string;
+  batchInterval?: number;
+  maxBatchSize?: number;
+  sessionTimeout?: number;
+  session?: boolean;
+  verbose?: boolean;
+  profile?: boolean;
+  trackIp?: boolean;
+  setItem: (key: string, profileId: string) => void;
+  getItem: (key: string) => string | null;
+  removeItem: (key: string) => void;
+}
+export type MixanOptions = Required<NewMixanOptions>;
+
+class Fetcher {
+  private url: string;
+  private clientId: string;
+  private clientSecret: string;
+  private logger: (...args: any[]) => void;
+
+  constructor(options: MixanOptions) {
+    this.url = options.url;
+    this.clientId = options.clientId;
+    this.clientSecret = options.clientSecret;
+    this.logger = options.verbose ? console.log : () => {};
+  }
+
+  post<PostData, PostResponse>(
+    path: string,
+    data?: PostData,
+    options?: RequestInit
+  ): Promise<PostResponse | null> {
+    const url = `${this.url}${path}`;
+    this.logger(`Mixan request: ${url}`, JSON.stringify(data, null, 2));
+
+    return fetch(url, {
+      headers: {
+        ['mixan-client-id']: this.clientId,
+        ['mixan-client-secret']: this.clientSecret,
+        'Content-Type': 'application/json',
+      },
+      method: 'POST',
+      body: JSON.stringify(data ?? {}),
+      keepalive: true,
+      ...(options ?? {}),
+    })
+      .then(async (res) => {
+        const response = (await res.json()) as
+          | MixanErrorResponse
+          | PostResponse;
+
+        if (!response) {
+          return null;
+        }
+
+        if (
+          typeof response === 'object' &&
+          'status' in response &&
+          response.status === 'error'
+        ) {
+          this.logger(
+            `Mixan request failed: [${options?.method ?? 'POST'}] ${url}`,
+            JSON.stringify(response, null, 2)
+          );
+          return null;
+        }
+
+        return response as PostResponse;
+      })
+      .catch(() => {
+        this.logger(
+          `Mixan request failed: [${options?.method ?? 'POST'}] ${url}`
+        );
+        return null;
+      });
+  }
+}
+
+class Batcher<T> {
+  queue: T[] = [];
+  timer?: ReturnType<typeof setTimeout>;
+  callback: (queue: T[]) => void;
+  maxBatchSize: number;
+  batchInterval: number;
+
+  constructor(options: MixanOptions, callback: (queue: T[]) => void) {
+    this.callback = callback;
+    this.maxBatchSize = options.maxBatchSize;
+    this.batchInterval = options.batchInterval;
+  }
+
+  add(payload: T) {
+    this.queue.push(payload);
+    this.flush();
+  }
+
+  flush() {
+    if (this.timer) {
+      clearTimeout(this.timer);
+    }
+
+    if (this.queue.length === 0) {
+      return;
+    }
+
+    if (this.queue.length >= this.maxBatchSize) {
+      this.send();
+      return;
+    }
+
+    this.timer = setTimeout(this.send.bind(this), this.batchInterval);
+  }
+
+  send() {
+    if (this.timer) {
+      clearTimeout(this.timer);
+    }
+
+    if (this.queue.length > 0) {
+      this.callback(this.queue);
+      this.queue = [];
+    }
+  }
+}
+
+export class Mixan {
+  private fetch: Fetcher;
+  private eventBatcher: Batcher<EventPayload>;
+  private profileId?: string;
+  private options: MixanOptions;
+  private logger: (...args: any[]) => void;
+  private globalProperties: Record<string, unknown> = {};
+  private lastEventAt: string;
+  private promiseIp: Promise<string | null>;
+
+  constructor(options: NewMixanOptions) {
+    this.logger = options.verbose ? console.log : () => {};
+    this.options = {
+      sessionTimeout: 1000 * 60 * 30,
+      session: true,
+      verbose: false,
+      batchInterval: 10000,
+      maxBatchSize: 10,
+      trackIp: false,
+      profile: true,
+      ...options,
+    };
+
+    this.lastEventAt =
+      this.options.getItem('@mixan:lastEventAt') ?? '1970-01-01';
+    this.fetch = new Fetcher(this.options);
+    this.eventBatcher = new Batcher(this.options, (queue) => {
+      this.fetch.post(
+        '/events',
+        queue.map((item) => ({
+          ...item,
+          properties: {
+            ...this.globalProperties,
+            ...item.properties,
+          },
+          profileId: item.profileId ?? this.profileId ?? null,
+        }))
+      );
+    });
+
+    this.promiseIp = this.options.trackIp
+      ? fetch('https://api.ipify.org')
+          .then((res) => res.text())
+          .catch(() => null)
+      : Promise.resolve(null);
+  }
+
+  async ip() {
+    return this.promiseIp;
+  }
+
+  timestamp(modify = 0) {
+    return new Date(Date.now() + modify).toISOString();
+  }
+
+  init(properties?: Record<string, unknown>) {
+    if (properties) {
+      this.setGlobalProperties(properties);
+    }
+    this.logger('Mixan: Init');
+    this.setAnonymousUser();
+  }
+
+  event(name: string, properties: Record<string, unknown> = {}) {
+    const now = new Date();
+    const isSessionStart =
+      this.options.session &&
+      now.getTime() - new Date(this.lastEventAt).getTime() >
+        this.options.sessionTimeout;
+
+    if (isSessionStart) {
+      this.logger('Mixan: Session start');
+      this.eventBatcher.add({
+        name: 'session_start',
+        time: this.timestamp(-10),
+        properties: {},
+        profileId: this.profileId ?? null,
+      });
+    }
+
+    this.logger('Mixan: Queue event', name);
+    this.eventBatcher.add({
+      name,
+      properties,
+      time: this.timestamp(),
+      profileId: this.profileId ?? null,
+    });
+    this.lastEventAt = this.timestamp();
+    this.options.setItem('@mixan:lastEventAt', this.lastEventAt);
+  }
+
+  private async setAnonymousUser(retryCount = 0) {
+    if (!this.options.profile) {
+      return;
+    }
+    const profileId = this.options.getItem('@mixan:profileId');
+    if (profileId) {
+      this.profileId = profileId;
+      await this.setUser({
+        properties: this.globalProperties,
+      });
+      this.logger('Mixan: Use existing profile', this.profileId);
+    } else {
+      const res = await this.fetch.post<ProfilePayload, { id: string }>(
+        '/profiles',
+        {
+          properties: this.globalProperties,
+        }
+      );
+
+      if (res) {
+        this.profileId = res.id;
+        this.options.setItem('@mixan:profileId', res.id);
+        this.logger('Mixan: Create new profile', this.profileId);
+      } else if (retryCount < 2) {
+        setTimeout(() => {
+          this.setAnonymousUser(retryCount + 1);
+        }, 500);
+      } else {
+        this.logger('Mixan: Failed to create new profile');
+      }
+    }
+  }
+
+  async setUser(profile: ProfilePayload) {
+    if (!this.options.profile) {
+      return;
+    }
+    if (!this.profileId) {
+      return this.logger('Mixan: Set user failed, no profileId');
+    }
+    this.logger('Mixan: Set user', profile);
+    await this.fetch.post(`/profiles/${this.profileId}`, profile, {
+      method: 'PUT',
+    });
+  }
+
+  async setUserProperty(
+    name: string,
+    value: string | number | boolean | Record<string, unknown> | unknown[]
+  ) {
+    if (!this.options.profile) {
+      return;
+    }
+    if (!this.profileId) {
+      return this.logger('Mixan: Set user property, no profileId');
+    }
+    this.logger('Mixan: Set user property', name, value);
+    await this.fetch.post(`/profiles/${this.profileId}`, {
+      properties: {
+        [name]: value,
+      },
+    });
+  }
+
+  setGlobalProperties(properties: Record<string, unknown>) {
+    if (typeof properties !== 'object') {
+      return this.logger(
+        'Mixan: Set global properties failed, properties must be an object'
+      );
+    }
+    this.logger('Mixan: Set global properties', properties);
+    this.globalProperties = {
+      ...this.globalProperties,
+      ...properties,
+    };
+  }
+
+  async increment(name: string, value = 1) {
+    if (!this.options.profile) {
+      return;
+    }
+    if (!this.profileId) {
+      this.logger('Mixan: Increment failed, no profileId');
+      return;
+    }
+
+    this.logger('Mixan: Increment user property', name, value);
+    await this.fetch.post(
+      `/profiles/${this.profileId}/increment`,
+      {
+        name,
+        value,
+      },
+      {
+        method: 'PUT',
+      }
+    );
+  }
+
+  async decrement(name: string, value = 1) {
+    if (!this.options.profile) {
+      return;
+    }
+    if (!this.profileId) {
+      this.logger('Mixan: Decrement failed, no profileId');
+      return;
+    }
+
+    this.logger('Mixan: Decrement user property', name, value);
+    await this.fetch.post(
+      `/profiles/${this.profileId}/decrement`,
+      {
+        name,
+        value,
+      },
+      {
+        method: 'PUT',
+      }
+    );
+  }
+
+  flush() {
+    this.logger('Mixan: Flushing events queue');
+    this.eventBatcher.send();
+  }
+
+  clear() {
+    this.logger('Mixan: Clear, send remaining events and remove profileId');
+    this.eventBatcher.send();
+    this.options.removeItem('@mixan:profileId');
+    this.options.removeItem('@mixan:lastEventAt');
+    this.profileId = undefined;
+    this.setAnonymousUser();
+  }
+}

packages/types/index.ts

@@ -1,5 +1,9 @@
+export type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;
+export type PartialBy<T, K extends keyof T> = Omit<T, K> & Partial<Pick<T, K>>;
+
 export type MixanJson = Record<string, any>;
 
+// Deprecated
 export interface EventPayload {
   name: string;
   time: string;
@@ -7,6 +11,7 @@ export interface EventPayload {
   properties: MixanJson;
 }
 
+// Deprecated
 export interface ProfilePayload {
   first_name?: string;
   last_name?: string;
@@ -16,46 +21,98 @@ export interface ProfilePayload {
   properties?: MixanJson;
 }
 
+export type BatchPayload =
+  | {
+      type: 'increment';
+      payload: BatchProfileIncrementPayload;
+    }
+  | {
+      type: 'decrement';
+      payload: BatchProfileDecrementPayload;
+    }
+  | {
+      type: 'event';
+      payload: BatchEventPayload;
+    }
+  | {
+      type: 'create_profile';
+      payload: BatchCreateProfilePayload;
+    }
+  | {
+      type: 'update_profile';
+      payload: BatchUpdateProfilePayload;
+    }
+  | {
+      type: 'update_session';
+      payload: BatchUpdateSessionPayload;
+    }
+  | {
+      type: 'set_profile_property';
+      payload: BatchSetProfilePropertyPayload;
+    };
+
+export interface BatchSetProfilePropertyPayload {
+  profileId: string;
+  name: string;
+  value: any;
+  update: boolean;
+}
+
+export interface CreateProfileResponse {
+  id: string;
+}
+
+export interface BatchCreateProfilePayload {
+  profileId: string;
+  properties?: MixanJson;
+}
+
+export interface BatchUpdateSessionPayload {
+  profileId: string;
+  properties?: MixanJson;
+}
+
+export interface BatchEventPayload {
+  name: string;
+  time: string;
+  profileId: string;
+  properties: MixanJson;
+}
+
+export interface BatchUpdateProfilePayload {
+  first_name?: string;
+  last_name?: string;
+  email?: string;
+  avatar?: string;
+  id?: string;
+  properties?: MixanJson;
+  profileId: string;
+}
+
 export interface ProfileIncrementPayload {
   name: string;
   value: number;
-  id: string;
+  profileId: string;
 }
 
 export interface ProfileDecrementPayload {
   name: string;
   value: number;
-  id: string;
+  profileId: string;
 }
 
-// Batching
-export interface BatchEvent {
-  type: 'event';
-  payload: EventPayload;
+export interface BatchProfileIncrementPayload {
+  name: string;
+  value: number;
+  profileId: string;
 }
 
-export interface BatchProfile {
-  type: 'profile';
-  payload: ProfilePayload;
+export interface BatchProfileDecrementPayload {
+  name: string;
+  value: number;
+  profileId: string;
 }
 
-export interface BatchProfileIncrement {
-  type: 'profile_increment';
-  payload: ProfileIncrementPayload;
-}
-
-export interface BatchProfileDecrement {
-  type: 'profile_decrement';
-  payload: ProfileDecrementPayload;
-}
-
-export type BatchItem =
-  | BatchEvent
-  | BatchProfile
-  | BatchProfileIncrement
-  | BatchProfileDecrement;
-export type BatchPayload = BatchItem[];
-
 export interface MixanIssue {
   field: string;
   message: string;

tooling/publish/publish.ts

@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
 import { execSync } from 'node:child_process';
 import fs from 'node:fs';
 import path from 'node:path';

tooling/typescript/tsup.config.json

@@ -4,5 +4,6 @@
   "dts": true,
   "splitting": false,
   "sourcemap": true,
-  "clean": true
+  "clean": true,
+  "minify": true
 }