Only feed messages if there are at least 5 in the queue

handlers/feed_me.go

@@ -9,16 +9,22 @@ import (
 )
 
 func FeedMe(params bot.HandlerParams) error {
-	note := notes.Note{}
+	notes := []notes.Note{}
 
-	err := model.DB.Get(&note, `select id, created_at, nick, text, kind from notes where nick = target order by random() limit 1`)
+	err := model.DB.Select(&notes, `select id, created_at, nick, text, kind from notes where nick = target order by random() limit 5`)
 	if err != nil {
 		if err == sql.ErrNoRows {
-			params.Privmsgf(params.Target, "no")
 			return nil
 		}
 		return err
 	}
+
+	if len(notes) < 5 {
+		return nil
+	}
+
+	note := notes[0]
+
 	_, err = model.DB.Exec(`update notes set target = ? where id = ?`, params.Target, note.Id)
 	if err != nil {
 		return err

handlers/feed_me_test.go

@@ -0,0 +1,73 @@
+package handlers
+
+import (
+	"fmt"
+	"goirc/bot"
+	"goirc/model"
+	"goirc/model/notes"
+	"testing"
+)
+
+func TestFeedMe(t *testing.T) {
+	for i, tc := range []struct {
+		messages []string
+		want     int
+	}{
+		{
+			messages: []string{"abc", "def", "ghi", "jkl", "mno"},
+			want:     4,
+		},
+		{
+			messages: []string{"abc", "def", "ghi", "jkl"},
+			want:     4,
+		},
+		{
+			messages: []string{"abc", "def"},
+			want:     2,
+		},
+		{
+			messages: []string{"abc"},
+			want:     1,
+		},
+		{
+			messages: []string{},
+			want:     0,
+		},
+	} {
+		t.Run(fmt.Sprint(i), func(t *testing.T) {
+			_, err := model.DB.Exec(`delete from notes`)
+			if err != nil {
+				t.Fatalf("error deleting notes %s", err)
+			}
+
+			for _, x := range tc.messages {
+				_, err := notes.Create(notes.CreateParams{Target: "nick", Nick: "nick", Kind: "link", Text: x})
+				if err != nil {
+					t.Fatalf("error creating note %s", err)
+				}
+			}
+			err = FeedMe(bot.HandlerParams{
+				Privmsgf: dummyPrivmsgf,
+				Msg:      "",
+				Target:   "",
+				Matches:  []string{},
+			})
+			if err != nil {
+				t.Fatalf("error running FeedMe %s", err)
+			}
+
+			var count int
+			err = model.DB.Get(&count, `select count(*) from notes where nick = target`)
+			if err != nil {
+				t.Fatalf("error getting note count %s", err)
+			}
+			if count != tc.want {
+				t.Fatalf("want %d got %d", tc.want, count)
+			}
+		})
+	}
+}
+
+func dummyPrivmsgf(x string, y string, z ...interface{}) {
+	return
+}