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export class ChannelManager
{
constructor(params)
{
this.publicIds = {};
this.restClient = params.restClient ?? BX.rest;
this.getPublicListMethod = params.getPublicListMethod;
}
/**
*
* @param {Array} users Array of user ids.
* @return {Promise}
*/
getPublicIds(users): Promise
{
const now = new Date();
const result = {};
const unknownUsers = [];
for (const userId of users)
{
if (this.publicIds[userId] && this.publicIds[userId].end > now)
{
result[userId] = this.publicIds[userId];
}
else
{
unknownUsers.push(userId);
}
}
if (unknownUsers.length === 0)
{
return Promise.resolve(result);
}
return new Promise((resolve, reject) => {
this.restClient.callMethod(this.getPublicListMethod, { users: unknownUsers }).then((response) => {
if (response.error())
{
resolve({});
}
else
{
const data = response.data();
this.setPublicIds(Object.values(data));
for (const userId of unknownUsers)
{
result[userId] = this.publicIds[userId];
}
resolve(result);
}
}).catch((e) => reject(e));
});
}
/**
*
* @param {object[]} publicIds
* @param {integer} publicIds.user_id
* @param {string} publicIds.public_id
* @param {string} publicIds.signature
* @param {Date} publicIds.start
* @param {Date} publicIds.end
*/
setPublicIds(publicIds)
{
for (const publicIdDescriptor of publicIds)
{
const userId = publicIdDescriptor.user_id;
this.publicIds[userId] = {
userId,
publicId: publicIdDescriptor.public_id,
signature: publicIdDescriptor.signature,
start: new Date(publicIdDescriptor.start),
end: new Date(publicIdDescriptor.end),
};
}
}
}