File size: 2,198 Bytes
72606cb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | import type { ChatResult, ConversationMessage, DataInfo, SessionState } from "./types";
export class ApiError extends Error {
status: number;
constructor(message: string, status: number) {
super(message);
this.name = "ApiError";
this.status = status;
}
}
async function request<T>(path: string, init?: RequestInit): Promise<T> {
const response = await fetch(path, {
credentials: "same-origin",
headers: {
"Content-Type": "application/json",
...init?.headers,
},
...init,
});
if (!response.ok) {
let message = "The request could not be completed.";
try {
const payload = (await response.json()) as { detail?: unknown };
if (typeof payload.detail === "string") {
message = payload.detail;
} else if (Array.isArray(payload.detail)) {
message = payload.detail
.map((item) => {
if (typeof item === "string") return item;
if (
item &&
typeof item === "object" &&
"msg" in item &&
typeof item.msg === "string"
) {
return item.msg;
}
return "The request was not valid.";
})
.join(" ");
} else if (payload.detail) {
message = "The analysis service could not complete this request.";
}
} catch {
// Keep the safe fallback message.
}
throw new ApiError(message, response.status);
}
return (await response.json()) as T;
}
export const api = {
session: () => request<SessionState>("/api/session"),
login: (password: string) =>
request<{ authenticated: boolean }>("/api/login", {
method: "POST",
body: JSON.stringify({ password }),
}),
logout: () =>
request<{ authenticated: boolean }>("/api/logout", {
method: "POST",
body: "{}",
}),
dataInfo: () => request<DataInfo>("/api/data-info"),
chat: (message: string, history: ConversationMessage[]) =>
request<ChatResult>("/api/chat", {
method: "POST",
body: JSON.stringify({
message,
history: history.slice(-10).map(({ role, content }) => ({ role, content })),
}),
}),
};
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