From 0ad4619833f9a18c4a03c3716049ace4e3046e05 Mon Sep 17 00:00:00 2001
From: abdo <abd.nh25@gmail.com>
Date: Fri, 1 Jan 2021 03:34:25 +0300
Subject: [PATCH] Support prop:order to search for new cards by order

---
 rslib/src/search/parser.rs    | 3 +++
 rslib/src/search/sqlwriter.rs | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/rslib/src/search/parser.rs b/rslib/src/search/parser.rs
index fbfc2e869..7f834c28e 100644
--- a/rslib/src/search/parser.rs
+++ b/rslib/src/search/parser.rs
@@ -97,6 +97,7 @@ pub(super) enum PropertyKind {
     Reps(u32),
     Lapses(u32),
     Ease(f32),
+    Order(u32),
 }
 
 #[derive(Debug, PartialEq)]
@@ -373,6 +374,7 @@ fn parse_prop(val: &str) -> ParseResult<SearchNode<'static>> {
         tag("reps"),
         tag("lapses"),
         tag("ease"),
+        tag("order"),
     ))(val)?;
 
     let (val, operator) = alt((
@@ -396,6 +398,7 @@ fn parse_prop(val: &str) -> ParseResult<SearchNode<'static>> {
             "ivl" => PropertyKind::Interval(num),
             "reps" => PropertyKind::Reps(num),
             "lapses" => PropertyKind::Lapses(num),
+            "order" => PropertyKind::Order(num),
             _ => unreachable!(),
         }
     };
diff --git a/rslib/src/search/sqlwriter.rs b/rslib/src/search/sqlwriter.rs
index f02146a38..9cfc2c895 100644
--- a/rslib/src/search/sqlwriter.rs
+++ b/rslib/src/search/sqlwriter.rs
@@ -247,6 +247,15 @@ impl SqlWriter<'_> {
                     day = day
                 )
             }
+            PropertyKind::Order(order) => {
+                write!(
+                    self.sql,
+                    "(c.type = {t} and due {op} {order})",
+                    t = CardType::New as u8,
+                    op = op,
+                    order = order
+                )
+            }
             PropertyKind::Interval(ivl) => write!(self.sql, "ivl {} {}", op, ivl),
             PropertyKind::Reps(reps) => write!(self.sql, "reps {} {}", op, reps),
             PropertyKind::Lapses(days) => write!(self.sql, "lapses {} {}", op, days),