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// 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 <https://www.gnu.org/licenses/>.
import { find, isEqual } from 'lodash-es';
import { CMNextApi, CMNextIndex, ChannelMeta } from './types'
export interface ChannelApi extends CMNextApi<ChannelMeta> {
/**
* Gets the endpoint url for the channel
*/
readonly channelFile: string;
}
/**
* Gets the channel api for the given channel json file url
* @param endpoint The url of the channel json file
*/
export const createChannelApi = (channelFile: string): ChannelApi => {
const getIndex = async () : Promise<CMNextIndex<ChannelMeta>> => {
const res = await fetch(channelFile)
return await res.json()
}
return { channelFile, getIndex }
}
export interface ScopedChannelApi extends ChannelApi {
/**
* Gets the post index path for the currently selected channel
*/
getPostIndexPath(): Promise<string | undefined>;
/**
* Gets the content index path for the currently selected channel
*/
getContentIndexPath(): Promise<string | undefined>;
/**
* Gets the base dir for the currently selected channel
*/
getBaseDir(): Promise<string | undefined>;
/**
* Gets the content dir for the currently selected channel
*/
getContentDir(): Promise<string | undefined>;
}
export const createScopedChannelApi = (channelFile: string, channelId: string): ScopedChannelApi => {
const channelApi = createChannelApi(channelFile);
const getSelectedChannel = async (): Promise<ChannelMeta | undefined> => {
const index = await channelApi.getIndex()
//Get the selected channel from the channels
return find(index.records, i => isEqual(i.id, channelId))
}
//begin getting the selected channel
const index = getSelectedChannel();
const getPostIndexPath = async (): Promise<string | undefined> => {
//Await the selected channel index
const channel = await index
return channel ? `${channel.path}/${channel.index}` : undefined;
}
const getContentDir = async (): Promise<string | undefined> => {
//Await the selected channel index
const channel = await index
return channel ? channel.content : undefined;
}
const getBaseDir = async (): Promise<string | undefined> => {
//Await the selected channel index
const channel = await index
return channel ? channel.path : undefined;
}
const getContentIndexPath = async (): Promise<string | undefined> => {
//Await the selected channel index
const channel = await index
//Get the post index from the channel
return channel ? `${channel.path}/${channel.content}` : undefined;
}
return{
...channelApi,
getBaseDir,
getContentDir,
getPostIndexPath,
getContentIndexPath,
}
}
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