🚧 working on endpoint for useranswer submit

Co-authored-by: haraldnilsen <harald_998@hotmail.com>
Signed-off-by: Sindre Kjelsrud <kjelsrudsindre@gmail.com>

backend/db/insert_user_answers.go

@@ -0,0 +1,55 @@
+package db
+
+import (
+	"database/sql"
+	"encoding/json"
+	"fmt"
+	"log"
+
+	_ "github.com/lib/pq"
+)
+
+func InsertUserAnswers(respondentId int, allAnswers string) (int, error) {
+	// Parse allAnswers from JSON string to map
+	var allAnswersArray []string
+	err := json.Unmarshal([]byte(allAnswers), &allAnswersArray)
+	if err != nil {
+		return 0, fmt.Errorf("invalid JSON format for allAnswers: %v", err)
+	}
+
+	// Connection string
+	psqlInfo := fmt.Sprintf("host=%s port=%d user=%s "+
+		"password=%s dbname=%s sslmode=disable",
+		host, port, user, password, dbname)
+
+	// Connect to the database
+	db, err := sql.Open("postgres", psqlInfo)
+	if err != nil {
+		log.Fatalf("Error opening database: %v\n", err)
+	}
+	defer db.Close()
+
+	// Check the connection
+	err = db.Ping()
+	if err != nil {
+		log.Fatalf("Error connecting to the database: %v\n", err)
+	}
+
+	insertStatement := `
+	INSERT INTO SvarVurdering (svarID, respondentID, kunnskap, empati, hjelpsomhet)
+	VALUES ($1, $2, $3, $4, $5)
+	`
+
+	tx, err := db.Begin()
+	if err != nil {
+		log.Fatalf("Error creating transaction: %v\n", err)
+	}
+
+	err = tx.Commit()
+	if err != nil {
+		log.Fatalf("Transaction commit failed: %v\n", err)
+	}
+
+	fmt.Printf("Data inserted successfully for respondentID: %d\n", respondentId)
+	return respondentId, nil
+}