import { createAsyncThunk } from '@reduxjs/toolkit'; import get from 'lodash/get'; import { gte } from 'semver'; import { RootState } from 'soapbox/store'; import { getAuthUserUrl, getMeUrl } from 'soapbox/utils/auth'; import { MASTODON, parseVersion, PLEROMA, REBASED } from 'soapbox/utils/features'; import api from '../api'; /** Figure out the appropriate instance to fetch depending on the state */ export const getHost = (state: RootState) => { const accountUrl = getMeUrl(state) || getAuthUserUrl(state) as string; try { return new URL(accountUrl).host; } catch { return null; } }; const supportsInstanceV2 = (instance: Record): boolean => { const v = parseVersion(get(instance, 'version')); return (v.software === MASTODON && gte(v.compatVersion, '4.0.0')) || (v.software === PLEROMA && v.build === REBASED && gte(v.version, '2.5.54')); }; /** We may need to fetch nodeinfo on Pleroma < 2.1 */ const needsNodeinfo = (instance: Record): boolean => { const v = parseVersion(get(instance, 'version')); return v.software === PLEROMA && !get(instance, ['pleroma', 'metadata']); }; interface InstanceData { instance: Record; host: string | null | undefined; } export const fetchInstance = createAsyncThunk( 'instance/fetch', async(host, { dispatch, getState, rejectWithValue }) => { try { const { data: instance } = await api(getState).get('/api/v1/instance'); if (supportsInstanceV2(instance)) { dispatch(fetchInstanceV2(host)); } if (needsNodeinfo(instance)) { dispatch(fetchNodeinfo()); } return { instance, host }; } catch (e) { return rejectWithValue(e); } }, ); export const fetchInstanceV2 = createAsyncThunk( 'instanceV2/fetch', async(host, { getState, rejectWithValue }) => { try { const { data: instance } = await api(getState).get('/api/v2/instance'); return { instance, host }; } catch (e) { return rejectWithValue(e); } }, ); export const fetchNodeinfo = createAsyncThunk( 'nodeinfo/fetch', async(_arg, { getState }) => await api(getState).get('/nodeinfo/2.1.json'), );