Add new metrics and handle errors gracefully

- Handle plugins errors gracefully
- Add issue comments and organization metrics

src/plugins/traffic/index.mjs

@@ -16,18 +16,30 @@
       console.debug(`metrics/plugins/traffic/${login} > started`)
 
     //Plugin execution
-      pending.push(new Promise(async solve => {
-        //Get views stats from repositories
-          const views = {count:0, uniques:0}
-          const response = await Promise.all(repositories.map(async repo => await rest.repos.getViews({owner:login, repo})))
-        //Compute views
-          response.filter(({data}) => data).map(({data:{count, uniques}}) => (views.count += count, views.uniques += uniques))
-        //Format values
-          views.count = format(views.count)
-          views.uniques = format(views.uniques)
-        //Save results
-          computed.plugins.traffic = {views}
-          console.debug(`metrics/plugins/traffic/${login} > ${JSON.stringify(computed.plugins.traffic)}`)
-          solve()
+      pending.push(new Promise(async (solve, reject) => {
+        try {
+          //Get views stats from repositories
+            const views = {count:0, uniques:0}
+            const response = await Promise.all(repositories.map(async repo => await rest.repos.getViews({owner:login, repo})))
+          //Compute views
+            response.filter(({data}) => data).map(({data:{count, uniques}}) => (views.count += count, views.uniques += uniques))
+          //Format values
+            views.count = format(views.count)
+            views.uniques = format(views.uniques)
+          //Save results
+            computed.plugins.traffic = {views}
+            console.debug(`metrics/plugins/traffic/${login} > ${JSON.stringify(computed.plugins.traffic)}`)
+            solve()
+        } 
+        catch (error) {
+          //Thrown when token has unsufficient permissions
+            if (error.status === 403) {
+              computed.plugins.traffic = {error:`Insufficient token rights`}
+              console.debug(`metrics/plugins/traffic/${login} > ${error.status}`)
+              solve()
+              return
+            }
+          reject(error)
+        }
       }))
   }