// Copyright (C) 2023 Vaughn Nugent
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see .
import { apiCall } from '@vnuge/vnlib.browser';
import { Ref, computed, ref, watch } from 'vue'
import { find, isEmpty, isEqual } from 'lodash-es';
import { BlogChannel, ChannelApi, ComputedBlogApi, BlogAdminContext } from '../types.js'
import { useChannels } from './channels.js';
export interface ComputedChannels extends ChannelApi, ComputedBlogApi {
readonly editChannel: Readonly[>;
}
/**
* Create a computed channels object to manage channels
* @param channelUrl the path to the channel api
* @returns The computed channels object
*/
export const useComputedChannels = (context: BlogAdminContext): ComputedChannels => {
const channels = useChannels(context)
const { channel, channelEdit } = context.getQuery()
const items = ref([]);
const loadChannels = async () => {
items.value = await apiCall(channels.getChannels) ?? [];
}
const selectedItem = computed(() => {
return find(items.value, c => isEqual(c.id, channel.value));
});
const editChannel = computed(() => {
return find(items.value, c => isEqual(c.id, channelEdit.value));
})
//Initial load
loadChannels();
//Load channels when the edit id changes to empty
watch(channelEdit, (newId) => isEmpty(newId) ? loadChannels() : null);
return {
...channels,
items,
selectedItem,
editChannel,
selectedId:channel,
getQuery: context.getQuery,
}
}
]