Assign emoji for different /edcal article statuses

Thanks to Nia for deciding the emoji!

index.js

@@ -74,10 +74,26 @@ app.post("/edcal", (req, res) => {
     }
 
     if (req.body.command != 'edcal') {
+      let statusToEmoji = new Map([
+        ['Published', ':grin:'],
+        ['Scheduled', ':alarm_clock:'],
+        ['WIP', ':roundpup:'],
+        ['Waiting for response', ':zzz:'],
+        ['Stalled', ':clown_face:'],
+      ])
+
+      // format the articles into a table
       articleTable = (articles
         .reverse()
-        .map(a => `|${a.title}|${a.in_charge.map(u=>u.name[0]).join(',')}|${a.due_date}|${a.publish_date}|${a.status}|`)
+        .map(a => `|${a.title}|${a.in_charge.map(u=>u.name[0]).join(',')}|${a.due_date}|${a.publish_date}|${statusToEmoji.get(a.status) || a.status}|`)
         .join("\n"))
+
+      // an emoji -> status message legend to display at the end
+      emojiKey = ([...statusToEmoji.entries()]
+        .map((x) => `${x[1]} ${x[0]}`)
+        .join(' '))
+
+      // ...and we're out!
       res.send({
         response_type: "in_channel",
         text: `
@@ -86,6 +102,7 @@ app.post("/edcal", (req, res) => {
 |:roundpup: Title|PP|Due Date|Publish Date|Status|
 |:---------------|:-|:-------|:-----------|:-----|
 ${articleTable}
+${emojiKey}
 `,
       })
     } else {