From 677f4d340c11a19ce9bd43d6998f0d3c16ee4b45 Mon Sep 17 00:00:00 2001
From: Henrik Giesel <hengiesel@gmail.com>
Date: Wed, 27 Jan 2021 01:15:19 +0100
Subject: [PATCH] Add FutureDueShowBacklog as preferences

---
 rslib/backend.proto        |  1 +
 rslib/src/config.rs        | 11 +++++++++++
 rslib/src/stats/graphs.rs  |  2 ++
 ts/graphs/FutureDue.svelte |  7 +++----
 4 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/rslib/backend.proto b/rslib/backend.proto
index 1dcb9dac5..93c1a3990 100644
--- a/rslib/backend.proto
+++ b/rslib/backend.proto
@@ -1104,6 +1104,7 @@ message GraphPreferences {
   Weekday calendar_first_day_of_week = 1;
   bool card_counts_separate_inactive = 2;
   bool browser_links_supported = 3;
+  bool future_due_show_backlog = 4;
 }
 
 message RevlogEntry {
diff --git a/rslib/src/config.rs b/rslib/src/config.rs
index c76147100..5d3dde251 100644
--- a/rslib/src/config.rs
+++ b/rslib/src/config.rs
@@ -49,6 +49,7 @@ pub(crate) enum ConfigKey {
     NewReviewMix,
     FirstDayOfWeek,
     CardCountsSeparateInactive,
+    FutureDueShowBacklog,
     AnswerTimeLimitSecs,
     ShowDayLearningCardsFirst,
     LastUnburiedDay,
@@ -79,6 +80,7 @@ impl From<ConfigKey> for &'static str {
             ConfigKey::NewReviewMix => "newSpread",
             ConfigKey::FirstDayOfWeek => "firstDayOfWeek",
             ConfigKey::CardCountsSeparateInactive => "cardCountsSeparateInactive",
+            ConfigKey::FutureDueShowBacklog => "futureDueShowBacklog",
             ConfigKey::AnswerTimeLimitSecs => "timeLim",
             ConfigKey::ShowDayLearningCardsFirst => "dayLearnFirst",
             ConfigKey::LastUnburiedDay => "lastUnburied",
@@ -249,6 +251,15 @@ impl Collection {
         self.set_config(ConfigKey::CardCountsSeparateInactive, &separate)
     }
 
+    pub(crate) fn get_future_due_show_backlog(&self) -> bool {
+        self.get_config_optional(ConfigKey::FutureDueShowBacklog)
+            .unwrap_or(true)
+    }
+
+    pub(crate) fn set_future_due_show_backlog(&self, show: bool) -> Result<()> {
+        self.set_config(ConfigKey::FutureDueShowBacklog, &show)
+    }
+
     pub(crate) fn get_show_due_counts(&self) -> bool {
         self.get_config_optional(ConfigKey::ShowRemainingDueCountsInStudy)
             .unwrap_or(true)
diff --git a/rslib/src/stats/graphs.rs b/rslib/src/stats/graphs.rs
index 704625575..65e9387a0 100644
--- a/rslib/src/stats/graphs.rs
+++ b/rslib/src/stats/graphs.rs
@@ -52,6 +52,7 @@ impl Collection {
             calendar_first_day_of_week: self.get_first_day_of_week() as i32,
             card_counts_separate_inactive: self.get_card_counts_separate_inactive(),
             browser_links_supported: true,
+            future_due_show_backlog: self.get_future_due_show_backlog(),
         })
     }
 
@@ -63,6 +64,7 @@ impl Collection {
             _ => Weekday::Sunday,
         })?;
         self.set_card_counts_separate_inactive(prefs.card_counts_separate_inactive)?;
+        self.set_future_due_show_backlog(prefs.future_due_show_backlog)?;
         Ok(())
     }
 }
diff --git a/ts/graphs/FutureDue.svelte b/ts/graphs/FutureDue.svelte
index e7b504eda..6401fdf9c 100644
--- a/ts/graphs/FutureDue.svelte
+++ b/ts/graphs/FutureDue.svelte
@@ -21,9 +21,8 @@
     let graphData = null as GraphData | null;
     let histogramData = null as HistogramData | null;
     let tableData: TableDatum[] = [] as any;
-    let backlog: boolean = true;
     let graphRange: GraphRange = GraphRange.Month;
-    let { browserLinksSupported } = preferences;
+    let { browserLinksSupported, futureDueShowBacklog } = preferences;
 
     $: if (sourceData) {
         graphData = gatherData(sourceData);
@@ -33,7 +32,7 @@
         ({ histogramData, tableData } = buildHistogram(
             graphData,
             graphRange,
-            backlog,
+            $futureDueShowBacklog,
             i18n,
             dispatch,
             $browserLinksSupported
@@ -53,7 +52,7 @@
     <div class="range-box-inner">
         {#if graphData && graphData.haveBacklog}
             <label>
-                <input type="checkbox" bind:checked={backlog} />
+                <input type="checkbox" bind:checked={$futureDueShowBacklog} />
                 {backlogLabel}
             </label>
         {/if}