add dad jokes

service/dadjoke.go

@@ -0,0 +1,30 @@
+package service
+
+import (
+	"math/rand"
+
+	"gorm.io/gorm"
+
+	"gitlab.com/DeveloperDurp/DurpAPI/model"
+)
+
+func GetRandomDadJoke(db *gorm.DB) (string, error) {
+	jokes, err := getDadJokes(db)
+	if err != nil {
+		return "", err
+	}
+
+	randomIndex := rand.Intn(len(jokes))
+
+	randomElement := jokes[randomIndex]
+
+	return randomElement.JOKE, err
+}
+
+func getDadJokes(db *gorm.DB) ([]model.DadJoke, error) {
+	req := []model.DadJoke{}
+
+	err := db.Find(&req).Error
+
+	return req, err
+}