From a34afa97adf076ef6cb7c335d4343b150885fbe3 Mon Sep 17 00:00:00 2001
From: Chris Sexton <csexton@riverainc.com>
Date: Tue, 29 Mar 2016 12:34:04 -0400
Subject: [PATCH] Switch web query to a regex

---
 bot/bot.go              | 18 +++++++++++++++---
 plugins/fact/factoid.go |  8 ++++++--
 2 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/bot/bot.go b/bot/bot.go
index c1c8832..cf5613d 100644
--- a/bot/bot.go
+++ b/bot/bot.go
@@ -7,13 +7,13 @@ import (
 	"html/template"
 	"log"
 	"net/http"
+	"regexp"
 	"strings"
 	"time"
 
 	"github.com/jmoiron/sqlx"
+	"github.com/mattn/go-sqlite3"
 	"github.com/velour/catbase/config"
-
-	_ "github.com/mattn/go-sqlite3"
 )
 
 // Bot type provides storage for bot-wide information, configs, and database connections
@@ -97,9 +97,21 @@ type Variable struct {
 	Variable, Value string
 }
 
+func init() {
+	regex := func(re, s string) (bool, error) {
+		return regexp.MatchString(re, s)
+	}
+	sql.Register("sqlite3_custom",
+		&sqlite3.SQLiteDriver{
+			ConnectHook: func(conn *sqlite3.SQLiteConn) error {
+				return conn.RegisterFunc("REGEXP", regex, true)
+			},
+		})
+}
+
 // NewBot creates a Bot for a given connection and set of handlers.
 func NewBot(config *config.Config, connector Connector) *Bot {
-	sqlDB, err := sqlx.Open("sqlite3", config.DB.File)
+	sqlDB, err := sqlx.Open("sqlite3_custom", config.DB.File)
 	if err != nil {
 		log.Fatal(err)
 	}
diff --git a/plugins/fact/factoid.go b/plugins/fact/factoid.go
index 1f9d90c..e7e10e3 100644
--- a/plugins/fact/factoid.go
+++ b/plugins/fact/factoid.go
@@ -104,8 +104,12 @@ func getFacts(db *sqlx.DB, fact string) ([]*factoid, error) {
 			accessed,
 			count
 		from factoid
-		where fact like ?;`,
-		fmt.Sprintf("%%%s%%", fact))
+		where fact regexp ?;`,
+		fact)
+	if err != nil {
+		log.Printf("Error regexping for facts: %s", err)
+		return nil, err
+	}
 	for rows.Next() {
 		var f factoid
 		var tmpCreated int64