limit dashboard date ranges

database/getEnergyDataStatistics.d.ts

@@ -0,0 +1,9 @@
+interface EnergyDataStatistics {
+    dataIdCount: number;
+    assetIdDistinctCount: number;
+    fileIdDistinctCount: number;
+    timeSecondsMin: number;
+    endTimeSecondsMax: number;
+}
+export declare function getEnergyDataStatistics(): EnergyDataStatistics;
+export {};

database/getEnergyDataStatistics.js

@@ -0,0 +1,18 @@
+import sqlite from 'better-sqlite3';
+import { databasePath } from '../helpers/functions.database.js';
+export function getEnergyDataStatistics() {
+    const emileDB = sqlite(databasePath, {
+        readonly: true
+    });
+    const statistics = emileDB
+        .prepare(`select count(dataId) as dataIdCount,
+        count(distinct assetId) as assetIdDistinctCount,
+        count(distinct fileId) as fileIdDistinctCount,
+        min(timeSeconds) as timeSecondsMin,
+        max(endTimeSeconds) as endTimeSecondsMax
+        from EnergyData
+        where recordDelete_timeMillis is null`)
+        .get();
+    emileDB.close();
+    return statistics;
+}

database/getEnergyDataStatistics.ts

@@ -0,0 +1,36 @@
+import sqlite from 'better-sqlite3'
+
+import { databasePath } from '../helpers/functions.database.js'
+
+interface EnergyDataStatistics {
+  dataIdCount: number
+
+  assetIdDistinctCount: number
+
+  fileIdDistinctCount: number
+
+  timeSecondsMin: number
+  endTimeSecondsMax: number
+}
+
+export function getEnergyDataStatistics(): EnergyDataStatistics {
+  const emileDB = sqlite(databasePath, {
+    readonly: true
+  })
+
+  const statistics = emileDB
+    .prepare(
+      `select count(dataId) as dataIdCount,
+        count(distinct assetId) as assetIdDistinctCount,
+        count(distinct fileId) as fileIdDistinctCount,
+        min(timeSeconds) as timeSecondsMin,
+        max(endTimeSeconds) as endTimeSecondsMax
+        from EnergyData
+        where recordDelete_timeMillis is null`
+    )
+    .get() as EnergyDataStatistics
+
+  emileDB.close()
+
+  return statistics
+}

handlers/dashboard-get/dashboard.js

@@ -1,15 +1,18 @@
 import { getAssetGroups } from '../../database/getAssetGroups.js';
 import { getAssets } from '../../database/getAssets.js';
+import { getEnergyDataStatistics } from '../../database/getEnergyDataStatistics.js';
 import { getAssetCategories } from '../../helpers/functions.cache.js';
 export function handler(request, response) {
     const assets = getAssets();
     const assetGroups = getAssetGroups(request.session.user);
     const assetCategories = getAssetCategories();
+    const energyDataStatistics = getEnergyDataStatistics();
     response.render('dashboard', {
         headTitle: 'Dashboard',
         assets,
         assetGroups,
-        assetCategories
+        assetCategories,
+        energyDataStatistics
     });
 }
 export default handler;

handlers/dashboard-get/dashboard.ts

@@ -2,18 +2,22 @@ import type { Request, Response } from 'express'
 
 import { getAssetGroups } from '../../database/getAssetGroups.js'
 import { getAssets } from '../../database/getAssets.js'
+import { getEnergyDataStatistics } from '../../database/getEnergyDataStatistics.js'
 import { getAssetCategories } from '../../helpers/functions.cache.js'
 
 export function handler(request: Request, response: Response): void {
   const assets = getAssets()
   const assetGroups = getAssetGroups(request.session.user as EmileUser)
   const assetCategories = getAssetCategories()
 
+  const energyDataStatistics = getEnergyDataStatistics()
+
   response.render('dashboard', {
     headTitle: 'Dashboard',
     assets,
     assetGroups,
-    assetCategories
+    assetCategories,
+    energyDataStatistics
   })
 }
 

views/_header.ejs

@@ -89,7 +89,7 @@
             <li>
               <a id="cityssm-theme--logout-button" href="#">
                 <span class="icon"><i class="fas fa-sign-out-alt" aria-hidden="true"></i></span>
-                <span>Log Out</span>
+                <span>Log Out <%= user.userName %></span>
               </a>
             </li>
           </ul>

views/dashboard.ejs

@@ -28,6 +28,13 @@
     </div>
   </div>
   <div class="level-right">
+    <%
+      const dateMax = dateTimeFunctions.dateToString(new Date())
+
+      const dateMin = (energyDataStatistics.timeSecondsMin ?? 0) === 0 
+        ? dateMax
+        : dateTimeFunctions.dateToString(new Date(energyDataStatistics.timeSecondsMin * 1000))
+    %>
     <div class="level-item">
       <div class="field has-addons">
         <div class="control">
@@ -43,6 +50,8 @@
             id="dashboard--startDate"
             name="startDate"
             type="date"
+            min="<%= dateMin %>"
+            max="<%= dateMax %>"
             required
           />
         </div>
@@ -63,6 +72,8 @@
             id="dashboard--endDate"
             name="endDate"
             type="date"
+            min="<%= dateMin %>"
+            max="<%= dateMax %>"
             required
           />
         </div>