feat(server): feature model (#9709)

close CLOUD-101

packages/backend/server/src/models/common/feature.ts

@@ -0,0 +1,57 @@
+import { z } from 'zod';
+
+export enum FeatureType {
+  Feature = 0,
+  Quota = 1,
+}
+
+// TODO(@forehalo): quota is a useless extra concept, merge it with feature
+export const UserPlanQuotaConfig = z.object({
+  // quota name
+  name: z.string(),
+  // single blob limit
+  blobLimit: z.number(),
+  // total blob limit
+  storageQuota: z.number(),
+  // history period of validity
+  historyPeriod: z.number(),
+  // member limit
+  memberLimit: z.number(),
+  // copilot action limit 10
+  copilotActionLimit: z.number(),
+});
+
+export const WorkspaceQuotaConfig = UserPlanQuotaConfig.extend({
+  // seat quota
+  seatQuota: z.number(),
+}).omit({
+  copilotActionLimit: true,
+});
+
+function feature<T extends z.ZodRawShape>(configs: z.ZodObject<T>) {
+  return z.object({
+    type: z.literal(FeatureType.Feature),
+    configs: configs,
+  });
+}
+
+function quota<T extends z.ZodRawShape>(configs: z.ZodObject<T>) {
+  return z.object({
+    type: z.literal(FeatureType.Quota),
+    configs: configs,
+  });
+}
+
+export const Features = {
+  copilot: feature(z.object({})),
+  early_access: feature(z.object({ whitelist: z.array(z.string()) })),
+  unlimited_workspace: feature(z.object({})),
+  unlimited_copilot: feature(z.object({})),
+  ai_early_access: feature(z.object({})),
+  administrator: feature(z.object({})),
+  free_plan_v1: quota(UserPlanQuotaConfig),
+  pro_plan_v1: quota(UserPlanQuotaConfig),
+  lifetime_pro_plan_v1: quota(UserPlanQuotaConfig),
+  restricted_plan_v1: quota(UserPlanQuotaConfig),
+  team_plan_v1: quota(WorkspaceQuotaConfig),
+};

packages/backend/server/src/models/common/index.ts

@@ -0,0 +1 @@
+export * from './feature';