Fix randquote for terms with _ or %

handlers/quotedb/dao.go

@@ -41,7 +41,7 @@ var (
 	findQuoteById      = `SELECT ` + quoteCols + ` FROM quotes WHERE id = ? LIMIT 1`
 	findQuoteByQuoteId = `SELECT ` + quoteCols + ` FROM quotes WHERE quote_id = ? AND channel = ? LIMIT 1`
 	findLastQuote      = `SELECT ` + quoteCols + ` FROM quotes WHERE channel = ? ORDER BY quote_id DESC LIMIT 1`
-	findQuotesByTerm   = `SELECT ` + quoteCols + ` FROM quotes WHERE channel = ? AND data LIKE ? ORDER BY quote_id DESC`
+	findQuotesByTerm   = `SELECT ` + quoteCols + ` FROM quotes WHERE channel = ? AND data LIKE ? ESCAPE '\' ORDER BY quote_id DESC`
 	findRandomQuote    = `SELECT ` + quoteCols + ` FROM quotes WHERE deleted_at IS NULL AND channel = ? ORDER BY  RANDOM() LIMIT 1`
 
 	insertQuote = `

handlers/quotedb/quotedb.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	_ "github.com/mattn/go-sqlite3"
 	"log"
+	"strings"
 	"time"
 )
 
@@ -85,8 +86,16 @@ func (q *QuoteDB) FindLastQuote(channel string) (*Quote, error) {
 	return quote, err
 }
 
+func escapeLike(text string) string {
+	text = strings.ReplaceAll(text, `\`, ``)
+	text = strings.ReplaceAll(text, `%`, `\%`)
+	text = strings.ReplaceAll(text, `_`, `\_`)
+
+	return text
+}
+
 func (q QuoteDB) FindQuotesByString(search string, channel string) ([]*Quote, error) {
-	term := fmt.Sprintf("%%%s%%", search)
+	term := fmt.Sprintf("%%%s%%", escapeLike(search))
 
 	rows, err := q.DB.Query(findQuotesByTerm, channel, term)