let minAdded = Number.MAX_SAFE_INTEGER;
let maxAdded = 0;
let augmentedChalls = this.challenges.map(c => {
let priority = 0;
if (!!c.to && c.to == this.st.user.name) priority = 1;
let minAdded = Number.MAX_SAFE_INTEGER;
let maxAdded = 0;
let augmentedChalls = this.challenges.map(c => {
let priority = 0;
if (!!c.to && c.to == this.st.user.name) priority = 1;