do.bot/utils.js at master · gitdatcode/do.bot · GitHub

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constslack=require('./models/slack').slack_client;


/**
 * function used to send a message to a list of channels
 *
 * @param channel_list Aarray -- list of channels
 * @param message String -- message to be sent
 */
functionmessageChannel(channel_list,message){
channel_list=!Array.isArray(channel_list) ? [channel_list] : channel_list;

channel_list.forEach((channel)=>{
channel=`#${channel}`;

try{
console.log(`Sending message to ${channel}\n ${message}`);
slack.chat.postMessage(channel,message);
}catch(e){
console.info(`Error sending message to ${channel}`);
console.error(e);
}
});
}


/**
 * function used to send a message to a list of users
 *
 * @param user_list Array -- list of users
 * @param message String -- message to be sent
 */
functionmessageUser(user_list,message){
user_list=!Array.isArray(user_list) ? [user_list] : user_list;

user_list.forEach((user)=>{
user=`#${user}`;

try{
console.log(`Sending message to ${user}\n ${message}`);
slack.chat.postMessage(user,message);
}catch(e){
console.info(`Error sending message to ${user}`);
console.error(e);
}
});
}

letcolors=['#00E8EF','#5C03DB','#EF005E','#FFBD03','#00D675'],
color_used=0,
color_len=colors.length-1;

functionnextColor(){
if(color_used>color_len){
color_used=0;
}

varcolor=colors[color_used];
color_used+=1;

returncolor;
}

functionrandomColor(){
returncolors[Math.floor(Math.random()*colors.length)];
}

functiongetWeek(date){
if(!(dateinstanceofDate))date=newDate();

// ISO week date weeks start on Monday, so correct the day number
varnDay=(date.getDay()+6)%7;

// ISO 8601 states that week 1 is the week with the first Thursday of that year
// Set the target date to the Thursday in the target week
date.setDate(date.getDate()-nDay+3);

// Store the millisecond value of the target date
varn1stThursday=date.valueOf();

// Set the target to the first Thursday of the year
// First, set the target to January 1st
date.setMonth(0,1);

// Not a Thursday? Correct the date to the next Thursday
if(date.getDay()!==4){
date.setMonth(0,1+((4-date.getDay())+7)%7);
}

// The week number is the number of weeks between the first Thursday of the year
// and the Thursday in the target week (604800000 = 7 * 24 * 3600 * 1000)
return1+Math.ceil((n1stThursday-date)/604800000);
}

module.exports={
'messageChannel': messageChannel,
'messageUser': messageUser,
'nextColor': nextColor,
'randomColor': randomColor,
'getWeek': getWeek,
}