feat: better download for conversation traffic heatmap (#6755)

* feat: genearte report in a grid

* refactor: update API usage

* refactor: separate generate method

* refactor: abstract transform_data

* feat: annotate with comments

* feat: add explicit timezone

* feat: download data only in user timezone

* fix: dates included in heatmap

app/javascript/dashboard/api/reports.js

@@ -59,9 +59,9 @@ class ReportsAPI extends ApiClient {
     });
   }
 
-  getConversationTrafficCSV({ from: since, to: until }) {
+  getConversationTrafficCSV() {
     return axios.get(`${this.url}/conversation_traffic`, {
-      params: { since, until },
+      params: { timezone_offset: getTimeOffset() },
     });
   }
 

app/javascript/dashboard/routes/dashboard/settings/reports/LiveReports.vue

@@ -142,10 +142,8 @@ export default {
     },
     downloadHeatmapData() {
       let to = endOfDay(new Date());
-      let from = startOfDay(subDays(to, 6));
 
       this.$store.dispatch('downloadAccountConversationHeatmap', {
-        from: getUnixTime(from),
         to: getUnixTime(to),
       });
     },

app/javascript/dashboard/store/modules/reports.js

@@ -180,7 +180,7 @@ export const actions = {
       });
   },
   downloadAccountConversationHeatmap(_, reportObj) {
-    Report.getConversationTrafficCSV(reportObj)
+    Report.getConversationTrafficCSV()
       .then(response => {
         downloadCsvFile(
           generateFileName({