From 6ef43d5ba05d4aa09c0ee1abf248e47cee1275fe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D1=B5=C2=B5=CF=83=C9=B3=C9=A0?=
 <3168632+vuon9@users.noreply.github.com>
Date: Mon, 25 Oct 2021 22:58:56 +0700
Subject: [PATCH] Support search by /s:keyword - symbol, /n:keyword - name

---
 cointop/search.go | 38 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 37 insertions(+), 1 deletion(-)

diff --git a/cointop/search.go b/cointop/search.go
index dd06844..94dbd99 100644
--- a/cointop/search.go
+++ b/cointop/search.go
@@ -93,6 +93,28 @@ func (ct *Cointop) Search(q string) error {
 		ct.State.lastSearchQuery = q
 	}
 
+	hasPrefix := false
+	canSearchSymbol := true
+	canSearchName := true
+	if strings.HasPrefix(q, "s:") {
+		canSearchSymbol = true
+		canSearchName = false
+		hasPrefix = true
+		log.Debug("Search, by keyword")
+	}
+
+	if strings.HasPrefix(q, "n:") {
+		canSearchSymbol = false
+		canSearchName = true
+		hasPrefix = true
+		log.Debug("Search, by name")
+	}
+
+	if hasPrefix {
+		q = q[2:]
+		log.Debugf("Search, truncated query '%s'", q)
+	}
+
 	idx := -1
 	min := -1
 	var hasprefixidx []int
@@ -107,16 +129,23 @@ func (ct *Cointop) Search(q string) error {
 		coin := ct.State.allCoins[i]
 		name := strings.ToLower(coin.Name)
 		symbol := strings.ToLower(coin.Symbol)
+
 		// if query matches symbol, return immediately
-		if symbol == q {
+		if canSearchSymbol && symbol == q {
 			ct.GoToGlobalIndex(i)
 			return nil
 		}
+
+		if !canSearchName {
+			continue
+		}
+
 		// if query matches name, return immediately
 		if name == q {
 			ct.GoToGlobalIndex(i)
 			return nil
 		}
+
 		// store index with the smallest levenshtein
 		dist := levenshtein.DamerauLevenshteinDistance(name, q)
 		if min == -1 || dist <= min {
@@ -131,15 +160,22 @@ func (ct *Cointop) Search(q string) error {
 			}
 		}
 	}
+
+	if !canSearchName {
+		return nil
+	}
+
 	// go to row if prefix match
 	if len(hasprefixidx) > 0 && hasprefixidx[0] != -1 && min > 0 {
 		ct.GoToGlobalIndex(hasprefixidx[0])
 		return nil
 	}
+
 	// go to row if levenshtein distance is small enough
 	if idx > -1 && min <= 6 {
 		ct.GoToGlobalIndex(idx)
 		return nil
 	}
+
 	return nil
 }