chain entity

src/entities/chain/api/list.ts

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+import { z } from "zod";
+import { chainSchema } from "../schema";
+import { getAxios } from "@/shared/lib/getAxios";
+
+export async function getChainList() {
+  const axios = await getAxios();
+
+  try {
+    const response = await axios.get("/chain/list");
+    return z.array(chainSchema).parse(response.data);
+  } catch {
+    return null;
+  }
+}

src/entities/chain/lib.ts

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+import { useChainState } from "./model";
+import { getChainList } from "./api/list";
+import { redirect } from "@tanstack/react-router";
+
+export async function requireChains() {
+  const chainState = useChainState.getState();
+  if (chainState.chains) return;
+
+  const chains = await getChainList();
+  if (chains === null) throw redirect({ to: "/" });
+
+  chainState.setChains(chains);
+}

src/entities/chain/model.ts

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+import { create } from "zustand";
+import type { Chain } from "./schema";
+
+interface ChainState {
+  chains?: Chain[];
+  setChains: (chains: Chain[]) => void;
+}
+
+export const useChainState = create<ChainState>((set) => ({
+  setChains: (chains) => set({ chains }),
+}));

src/entities/chain/schema.ts

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+import { z } from "zod";
+import { actionSchema } from "../action/schema";
+
+export const chainSchema = z.object({
+  _id: z.string().uuid(),
+  name: z.string().nullable(),
+  actions: z.array(actionSchema),
+  lastModified: z.string(),
+});
+
+export type Chain = z.infer<typeof chainSchema>;