feat: add this year option, custom time range and adjust layout of analyitics for #468

src/plugins/built-in/gradeAnalytics/AnalyticsAreaChart.svelte

@@ -8,6 +8,7 @@
   import {
     buildGradeTrendChart,
     getTimeRangeLabel,
+    type CustomTimeRange,
     type TimeRange,
     type TrendPoint,
   } from "./timeRange";
@@ -17,10 +18,11 @@
   interface Props {
     data: Assessment[];
     timeRange: TimeRange;
+    customTimeRange?: CustomTimeRange;
     showSubjectTrends?: boolean;
   }
 
-  let { data, timeRange, showSubjectTrends = false }: Props = $props();
+  let { data, timeRange, customTimeRange, showSubjectTrends = false }: Props = $props();
 
   let showPrediction = $state(false);
   let predictionMonths = $state(3);
@@ -30,9 +32,12 @@
   const chartResult = $derived.by(() =>
     buildGradeTrendChart(data, timeRange, {
       showPerSubject: showSubjectTrends,
+      custom: customTimeRange,
     }),
   );
 
+  const timeRangeText = $derived(() => getTimeRangeLabel(timeRange, customTimeRange));
+
   const historicalData = $derived(chartResult.points);
   const chartSeries = $derived(chartResult.series);
   const accentColor = $derived(chartResult.accentColor);
@@ -205,9 +210,9 @@
       </div>
       <p class="bsplus-analytics-card-desc">
         {#if showSubjectTrends}
-          Overall and per-subject averages · {getTimeRangeLabel(timeRange)}
+          Overall and per-subject averages · {timeRangeText()}
         {:else}
-          Average grades over time · {getTimeRangeLabel(timeRange)}
+          Average grades over time · {timeRangeText()}
         {/if}
       </p>
     </div>
@@ -357,7 +362,7 @@
     {/if}
     <br />
     <span>
-      {historicalData.length} data points · {getTimeRangeLabel(timeRange)}
+      {historicalData.length} data points · {timeRangeText()}
       {#if showSubjectTrends && chartSeries.length > 1}
         · {chartSeries.length - 1} subject{chartSeries.length - 1 === 1 ? "" : "s"}
       {/if}

src/plugins/built-in/gradeAnalytics/AnalyticsBarChart.svelte

@@ -14,7 +14,7 @@
 
   import type { Assessment } from "./types";
 
-  import { getTimeRangeLabel, type TimeRange } from "./timeRange";
+  import { getTimeRangeLabel, type CustomTimeRange, type TimeRange } from "./timeRange";
 
   import {
 
@@ -36,11 +36,15 @@
 
     timeRange: TimeRange;
 
+    customTimeRange?: CustomTimeRange;
+
   }
 
 
 
-  let { data, timeRange }: Props = $props();
+  let { data, timeRange, customTimeRange }: Props = $props();
+
+  const timeRangeText = $derived(() => getTimeRangeLabel(timeRange, customTimeRange));
 
 
 
@@ -152,11 +156,11 @@
 
     if (d.modeUsed === "letter") {
 
-      return `Assessments per letter grade · ${getTimeRangeLabel(timeRange)}`;
+      return `Assessments per letter grade · ${timeRangeText()}`;
 
     }
 
-    return `Assessments per grade band · ${getTimeRangeLabel(timeRange)}`;
+    return `Assessments per grade band · ${timeRangeText()}`;
 
   });
 
@@ -360,7 +364,7 @@
 
         <strong>No graded assessments</strong>
 
-        <span>for {getTimeRangeLabel(timeRange).toLowerCase()}</span>
+        <span>for {timeRangeText().toLowerCase()}</span>
 
       </div>
 

src/plugins/built-in/gradeAnalytics/GradeAnalyticsPage.svelte

@@ -12,9 +12,11 @@
   import AssessmentTable from "./AssessmentTable.svelte";
   import GradeRangeSlider from "./GradeRangeSlider.svelte";
   import {
+    defaultCustomTimeRange,
     filterAssessmentsByTimeRange,
     getTimeRangeLabel,
     TIME_RANGE_OPTIONS,
+    type CustomTimeRange,
     type TimeRange,
   } from "./timeRange";
   import { openAnalyticsPrivacyPopup } from "./openAnalyticsPrivacyPopup";
@@ -32,6 +34,7 @@
   let showSubjectsDropdown = $state(false);
   let showTimeRangeDropdown = $state(false);
   let timeRange: TimeRange = $state("all");
+  let customTimeRange: CustomTimeRange = $state(defaultCustomTimeRange());
   let showSubjectTrends = $state(false);
 
   let timestampInterval: ReturnType<typeof setInterval> | null = null;
@@ -68,7 +71,7 @@
   });
 
   const timeScopedData = $derived(() =>
-    filterAssessmentsByTimeRange(filteredData(), timeRange),
+    filterAssessmentsByTimeRange(filteredData(), timeRange, customTimeRange),
   );
 
   const gradedFiltered = $derived(() =>
@@ -138,7 +141,7 @@
     }
   }
 
-  const timeRangeLabel = $derived(() => getTimeRangeLabel(timeRange));
+  const timeRangeLabel = $derived(() => getTimeRangeLabel(timeRange, customTimeRange));
 
   function closeToolbarDropdowns() {
     showSubjectsDropdown = false;
@@ -155,6 +158,7 @@
 
   function selectTimeRange(value: TimeRange) {
     timeRange = value;
+    if (value === "custom") customTimeRange = defaultCustomTimeRange();
     showTimeRangeDropdown = false;
   }
 
@@ -199,8 +203,14 @@
 />
 
 <div class="bsplus-analytics-root">
-  <header class="bsplus-analytics-header bsplus-analytics-animate">
-    <div class="bsplus-analytics-header-text">
+  {#if error}
+    <p class="bsplus-analytics-alert bsplus-analytics-animate" role="alert" transition:fade={{ duration: 200 }}>
+      {error}
+    </p>
+  {/if}
+
+  {#snippet sidebarTitle()}
+    <header class="bsplus-analytics-sidebar-head bsplus-analytics-animate">
       <h1>
         Analytics
         {#if syncing}
@@ -210,11 +220,14 @@
           </span>
         {/if}
       </h1>
-      {#if lastUpdated && analyticsData && analyticsData.length > 0}
+    </header>
+  {/snippet}
+
+  {#snippet sidebarActions()}
+    <div class="bsplus-analytics-sidebar-actions">
+      {#if lastUpdated}
         <p class="bsplus-analytics-meta">Last updated: {formattedTimestamp()}</p>
       {/if}
-    </div>
-    <div class="bsplus-analytics-header-actions">
       <button
         type="button"
         class="bsplus-analytics-btn bsplus-analytics-btn-privacy"
@@ -231,21 +244,25 @@
         {syncing ? "Syncing…" : "Refresh data"}
       </button>
     </div>
-  </header>
-
-  {#if error}
-    <p class="bsplus-analytics-alert bsplus-analytics-animate" role="alert" transition:fade={{ duration: 200 }}>
-      {error}
-    </p>
-  {/if}
+  {/snippet}
 
   {#if loading || !contentReady}
-    <div class="bsplus-analytics-loading bsplus-analytics-animate">
+    <div class="bsplus-analytics-layout bsplus-analytics-animate">
+      <aside class="bsplus-analytics-filters" aria-label="Analytics">
+        {@render sidebarTitle()}
+        {@render sidebarActions()}
+      </aside>
+      <div class="bsplus-analytics-main">
+        <div class="bsplus-analytics-loading">
           <div class="bsplus-analytics-spinner" aria-label="Loading analytics"></div>
         </div>
+      </div>
+    </div>
   {:else if analyticsData && analyticsData.length > 0}
     <div class="bsplus-analytics-layout bsplus-analytics-animate bsplus-analytics-delay-1">
       <aside class="bsplus-analytics-filters" aria-label="Filters">
+        {@render sidebarTitle()}
+
         <div class="bsplus-analytics-filters-head">
           <h2 class="bsplus-analytics-filters-title">Filters</h2>
           {#if hasActiveFilters()}
@@ -297,6 +314,22 @@
               </div>
             {/if}
           </div>
+          {#if timeRange === "custom"}
+            <input
+              type="date"
+              class="bsplus-analytics-input"
+              bind:value={customTimeRange.from}
+              max={customTimeRange.to}
+              aria-label="Custom range start date"
+            />
+            <input
+              type="date"
+              class="bsplus-analytics-input"
+              bind:value={customTimeRange.to}
+              min={customTimeRange.from}
+              aria-label="Custom range end date"
+            />
+          {/if}
         </div>
 
         <div class="bsplus-analytics-filter-group" data-analytics-dropdown>
@@ -378,6 +411,8 @@
             <span>Per-subject trends</span>
           </label>
         </div>
+
+        {@render sidebarActions()}
       </aside>
 
       <div class="bsplus-analytics-main">
@@ -404,11 +439,12 @@
               <AnalyticsAreaChart
                 data={gradedFiltered()}
                 {timeRange}
+                {customTimeRange}
                 showSubjectTrends={showSubjectTrends}
               />
             </div>
             <div class="bsplus-analytics-chart-cell">
-              <AnalyticsBarChart data={gradedFiltered()} {timeRange} />
+              <AnalyticsBarChart data={gradedFiltered()} {timeRange} {customTimeRange} />
             </div>
           </div>
 
@@ -426,20 +462,20 @@
       </div>
     </div>
   {:else}
-    <div class="bsplus-analytics-empty bsplus-analytics-animate" transition:fade={{ duration: 300 }}>
+    <div class="bsplus-analytics-layout bsplus-analytics-animate" transition:fade={{ duration: 300 }}>
+      <aside class="bsplus-analytics-filters" aria-label="Analytics">
+        {@render sidebarTitle()}
+        {@render sidebarActions()}
+      </aside>
+      <div class="bsplus-analytics-main">
+        <div class="bsplus-analytics-empty">
           <h2>No analytics data yet</h2>
           <p>
             Data syncs when you visit this page. Assessments with released marks will
             appear here with trends and grade breakdowns.
           </p>
-      <button
-        type="button"
-        class="bsplus-analytics-btn bsplus-analytics-btn-primary"
-        disabled={syncing}
-        onclick={() => runSync()}
-      >
-        Sync now
-      </button>
+        </div>
+      </div>
     </div>
   {/if}
 </div>

src/plugins/built-in/gradeAnalytics/styles.css

@@ -130,21 +130,24 @@
   animation-delay: 400ms;
 }
 
-/* ─── Header ─── */
-.bsplus-analytics-header {
-  display: flex;
-  flex-wrap: wrap;
-  justify-content: space-between;
-  align-items: flex-start;
-  gap: 0.75rem;
+/* ─── Sidebar page title ─── */
+.bsplus-analytics-sidebar-head {
+  margin: 0 0 0.35rem;
 }
 
-.bsplus-analytics-header-actions {
-  display: flex;
-  flex-direction: row;
-  align-items: center;
-  gap: 0.5rem;
-  flex-shrink: 0;
+.bsplus-analytics-sidebar-head h1 {
+  margin: 0;
+  font-size: 1.5rem;
+  font-weight: 700;
+  letter-spacing: -0.02em;
+  line-height: 1.2;
+  color: var(--bsplus-analytics-text);
+}
+
+.bsplus-analytics-sidebar-head .bsplus-analytics-badge {
+  display: block;
+  width: fit-content;
+  margin: 0.35rem 0 0;
 }
 
 .bsplus-analytics-btn-privacy {
@@ -164,26 +167,11 @@
   box-shadow: var(--bsplus-theme-btn-privacy-hover-shadow, none);
 }
 
-.bsplus-analytics-header-text h1 {
-  margin: 0 0 0.2rem;
-  font-size: 1.875rem;
-  font-weight: 700;
-  letter-spacing: -0.02em;
-  line-height: 1.2;
-  color: var(--bsplus-analytics-text);
-}
-
-.bsplus-analytics-header-text p {
-  margin: 0;
-  color: var(--bsplus-analytics-muted);
-  font-size: 0.9375rem;
-  line-height: 1.5;
-}
-
 .bsplus-analytics-meta {
-  margin-top: 0.15rem;
+  margin: 0;
   font-size: 0.75rem;
   color: var(--bsplus-analytics-muted);
+  line-height: 1.4;
 }
 
 .bsplus-analytics-badge {
@@ -371,6 +359,23 @@
   position: relative;
 }
 
+.bsplus-analytics-sidebar-actions {
+  display: flex;
+  flex-direction: column;
+  gap: 0.5rem;
+  margin-top: 0.5rem;
+  padding-top: 0.75rem;
+  border-top: 1px solid var(--bsplus-analytics-border);
+}
+
+.bsplus-analytics-sidebar-actions .bsplus-analytics-btn {
+  width: 100%;
+}
+
+.bsplus-analytics-sidebar-actions .bsplus-analytics-meta {
+  padding-bottom: 0.15rem;
+}
+
 .bsplus-analytics-filter-group .bsplus-analytics-field-label {
   font-size: 0.75rem;
   font-weight: 600;

src/plugins/built-in/gradeAnalytics/timeRange.test.ts

@@ -0,0 +1,47 @@
+import {
+  defaultCustomTimeRange,
+  filterAssessmentsByTimeRange,
+  getTimeRangeBounds,
+  getTimeRangeLabel,
+} from "./timeRange";
+import type { Assessment } from "./types";
+
+const assessment = (due: string): Assessment =>
+  ({
+    due,
+    finalGrade: 80,
+    subject: "Math",
+  }) as Assessment;
+
+describe("timeRange", () => {
+  const ref = new Date("2026-08-20T12:00:00");
+
+  it("uses calendar year start for this year", () => {
+    const { start, end } = getTimeRangeBounds("ytd", undefined, ref);
+    expect(start?.getFullYear()).toBe(2026);
+    expect(start?.getMonth()).toBe(0);
+    expect(start?.getDate()).toBe(1);
+    expect(end).toBeNull();
+  });
+
+  it("filters custom ranges inclusively", () => {
+    const custom = { from: "2026-03-01", to: "2026-03-31" };
+    const items = [
+      assessment("2026-02-28"),
+      assessment("2026-03-01"),
+      assessment("2026-03-31T23:59:00"),
+      assessment("2026-04-01"),
+    ];
+    const filtered = filterAssessmentsByTimeRange(items, "custom", custom);
+    expect(filtered.map((a) => a.due)).toEqual([
+      "2026-03-01",
+      "2026-03-31T23:59:00",
+    ]);
+  });
+
+  it("labels custom ranges", () => {
+    expect(
+      getTimeRangeLabel("custom", defaultCustomTimeRange(ref)),
+    ).toMatch(/2026/);
+  });
+});

src/plugins/built-in/gradeAnalytics/timeRange.ts

@@ -1,39 +1,117 @@
 import type { Assessment } from "./types";
 
-export type TimeRange = "all" | "365d" | "90d" | "30d" | "7d";
+export type TimeRange = "all" | "ytd" | "365d" | "90d" | "30d" | "7d" | "custom";
+
+export type CustomTimeRange = { from: string; to: string };
 
 export const TIME_RANGE_OPTIONS: { value: TimeRange; label: string }[] = [
   { value: "all", label: "All time" },
+  { value: "ytd", label: "This year" },
   { value: "365d", label: "Last 12 months" },
   { value: "90d", label: "Last 3 months" },
   { value: "30d", label: "Last 30 days" },
   { value: "7d", label: "Last 7 days" },
+  { value: "custom", label: "Custom range" },
 ];
 
-export function getTimeRangeLabel(timeRange: TimeRange): string {
+export function defaultCustomTimeRange(referenceDate = new Date()): CustomTimeRange {
+  return {
+    from: `${referenceDate.getFullYear()}-01-01`,
+    to: referenceDate.toISOString().slice(0, 10),
+  };
+}
+
+function parseDateOnly(iso: string): Date {
+  const date = new Date(`${iso}T00:00:00`);
+  date.setHours(0, 0, 0, 0);
+  return date;
+}
+
+export function getTimeRangeBounds(
+  timeRange: TimeRange,
+  custom?: CustomTimeRange,
+  referenceDate = new Date(),
+): { start: Date | null; end: Date | null } {
+  if (timeRange === "all") return { start: null, end: null };
+
+  if (timeRange === "ytd") {
+    const start = new Date(referenceDate.getFullYear(), 0, 1);
+    start.setHours(0, 0, 0, 0);
+    return { start, end: null };
+  }
+
+  if (timeRange === "custom") {
+    if (!custom?.from || !custom?.to) return { start: null, end: null };
+    let start = parseDateOnly(custom.from);
+    let end = parseDateOnly(custom.to);
+    end.setHours(23, 59, 59, 999);
+    if (start > end) [start, end] = [end, start];
+    return { start, end };
+  }
+
+  let days = 90;
+  if (timeRange === "30d") days = 30;
+  else if (timeRange === "7d") days = 7;
+  else if (timeRange === "365d") days = 365;
+
+  const start = new Date(referenceDate);
+  start.setDate(start.getDate() - days);
+  start.setHours(0, 0, 0, 0);
+  return { start, end: null };
+}
+
+export function getTimeRangeCutoff(
+  timeRange: TimeRange,
+  custom?: CustomTimeRange,
+): Date | null {
+  return getTimeRangeBounds(timeRange, custom).start;
+}
+
+export function getTimeRangeLabel(
+  timeRange: TimeRange,
+  custom?: CustomTimeRange,
+): string {
+  if (timeRange === "custom" && custom?.from && custom?.to) {
+    const fmt = (iso: string) =>
+      parseDateOnly(iso).toLocaleDateString(undefined, {
+        month: "short",
+        day: "numeric",
+        year: "numeric",
+      });
+    return `${fmt(custom.from)} – ${fmt(custom.to)}`;
+  }
   return TIME_RANGE_OPTIONS.find((o) => o.value === timeRange)?.label ?? "All time";
 }
 
-export function getTimeRangeCutoff(timeRange: TimeRange): Date | null {
-  if (timeRange === "all") return null;
-  const referenceDate = new Date();
-  let daysToSubtract = 90;
-  if (timeRange === "30d") daysToSubtract = 30;
-  else if (timeRange === "7d") daysToSubtract = 7;
-  else if (timeRange === "365d") daysToSubtract = 365;
-  const cutoff = new Date(referenceDate);
-  cutoff.setDate(cutoff.getDate() - daysToSubtract);
-  cutoff.setHours(0, 0, 0, 0);
-  return cutoff;
+function assessmentInRange(
+  due: string,
+  bounds: { start: Date | null; end: Date | null },
+): boolean {
+  const date = new Date(due);
+  if (bounds.start && date < bounds.start) return false;
+  if (bounds.end && date > bounds.end) return false;
+  return true;
 }
 
 export function filterAssessmentsByTimeRange(
   assessments: Assessment[],
   timeRange: TimeRange,
+  custom?: CustomTimeRange,
 ): Assessment[] {
-  const cutoff = getTimeRangeCutoff(timeRange);
-  if (!cutoff) return assessments;
-  return assessments.filter((a) => new Date(a.due) >= cutoff);
+  const bounds = getTimeRangeBounds(timeRange, custom);
+  if (!bounds.start && !bounds.end) return assessments;
+  return assessments.filter((a) => assessmentInRange(a.due, bounds));
+}
+
+function usesMonthlyGrouping(
+  timeRange: TimeRange,
+  custom?: CustomTimeRange,
+): boolean {
+  if (timeRange === "365d" || timeRange === "all" || timeRange === "ytd") return true;
+  if (timeRange !== "custom" || !custom?.from || !custom?.to) return false;
+  const { start, end } = getTimeRangeBounds(timeRange, custom);
+  if (!start || !end) return true;
+  return end.getTime() - start.getTime() > 90 * 86_400_000;
 }
 
 export type TrendPoint = {
@@ -115,7 +193,7 @@ function slugSubjectKey(name: string, keyBySubject: Map<string, string>): string
 export function buildGradeTrendChart(
   data: Assessment[],
   timeRange: TimeRange,
-  options: { showPerSubject?: boolean } = {},
+  options: { showPerSubject?: boolean; custom?: CustomTimeRange } = {},
 ): { points: TrendPoint[]; series: TrendSeries[]; accentColor: string } {
   const accentColor =
     "var(--bsplus-analytics-accent, var(--better-main, #007bff))";
@@ -127,8 +205,8 @@ export function buildGradeTrendChart(
     return { points: [], series: [], accentColor };
   }
 
-  const useMonthlyGrouping = timeRange === "365d" || timeRange === "all";
-  const cutoff = getTimeRangeCutoff(timeRange);
+  const bounds = getTimeRangeBounds(timeRange, options.custom);
+  const useMonthlyGrouping = usesMonthlyGrouping(timeRange, options.custom);
 
   const overallBuckets = new Map<string, number[]>();
   const subjectBuckets = new Map<string, Map<string, number[]>>();
@@ -136,10 +214,13 @@ export function buildGradeTrendChart(
   const keyBySubject = new Map<string, string>();
 
   for (const assessment of graded) {
+    if (!assessmentInRange(assessment.due, bounds)) continue;
+
     const grade = assessment.finalGrade!;
     const periodKey = periodKeyForAssessment(assessment, useMonthlyGrouping);
     const periodDateValue = periodDate(periodKey, useMonthlyGrouping);
-    if (cutoff && periodDateValue < cutoff) continue;
+    if (bounds.start && periodDateValue < bounds.start) continue;
+    if (bounds.end && periodDateValue > bounds.end) continue;
 
     if (!overallBuckets.has(periodKey)) overallBuckets.set(periodKey, []);
     overallBuckets.get(periodKey)!.push(grade);