From 96e8cf0c9741966dcc15301992693e36df11fcf5 Mon Sep 17 00:00:00 2001
From: "Alexander \"Arav\" Andreev" <me@arav.top>
Date: Sun, 26 Jun 2022 22:02:38 +0400
Subject: [PATCH] Methods Solve, GetAnswer, IsSolved, and Expiry could be
 implemented once for a base Captcha struct. But GetImage and generateImage
 methods should be implemented by all structs that compose with base Captcha
 struct.

---
 internal/captcha/captcha.go          | 17 +++++++++++++++++
 internal/captcha/dwelling_captcha.go | 17 -----------------
 2 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/internal/captcha/captcha.go b/internal/captcha/captcha.go
index 7e9387f..886dbdd 100644
--- a/internal/captcha/captcha.go
+++ b/internal/captcha/captcha.go
@@ -34,6 +34,23 @@ type Captcha struct {
 	ExpireIn time.Time
 }
 
+func (c *Captcha) Solve(answer Answer) bool {
+	c.Solved = c.Answer == answer
+	return c.Solved
+}
+
+func (c *Captcha) GetAnswer() Answer {
+	return c.Answer
+}
+
+func (c *Captcha) IsSolved() bool {
+	return c.Solved
+}
+
+func (c *Captcha) Expiry() time.Time {
+	return c.ExpireIn
+}
+
 func GenerateAnswer() Answer {
 	ans, _ := rand.Int(rand.Reader, big.NewInt(maxAnswer))
 	return (Answer(ans.String()))
diff --git a/internal/captcha/dwelling_captcha.go b/internal/captcha/dwelling_captcha.go
index 59055db..e3e8f7d 100644
--- a/internal/captcha/dwelling_captcha.go
+++ b/internal/captcha/dwelling_captcha.go
@@ -72,20 +72,3 @@ func (c *DwellingCaptcha) GetImage() *image.Image {
 
 	return &c.Image
 }
-
-func (c *DwellingCaptcha) Solve(answer Answer) bool {
-	c.Solved = c.Answer == answer
-	return c.Solved
-}
-
-func (c *DwellingCaptcha) GetAnswer() Answer {
-	return c.Answer
-}
-
-func (c *DwellingCaptcha) IsSolved() bool {
-	return c.Solved
-}
-
-func (c *DwellingCaptcha) Expiry() time.Time {
-	return c.ExpireIn
-}