implement dbhandler package and new test file

models/event.go

@@ -1,9 +1,9 @@
 package models
 
 type Event struct {
-	Id        int      `json:"id"`
-	Name      string   `json:"name"`
-	Date      string   `json:"date"`
-	Attendees []Person `json:"attendees"`
-	Count     int      `json:"count"`
+	Id        int     `gorm:"primaryKey" json:"id"`
+	Name      string  `gorm:"column:name" json:"name"`
+	Date      string  `gorm:"column:date" json:"date"`
+	Attendees Persons `gorm:"type:json" json:"attendees"`
+	Count     int     `gorm:"column:count" json:"count"`
 }

models/member.go

@@ -1,17 +1,20 @@
 package models
 
 type Member struct {
-	Id                int    `json:"id,omitempty"`
-	FirstName         string `json:"firstName,omitempty"`
-	LastName          string `json:"lastName,omitempty"`
-	Birthday          string `json:"birthday,omitempty"`
-	Address           string `json:"address,omitempty"`
-	Zip               string `json:"zip,omitempty"`
-	Town              string `json:"town,omitempty"`
-	Phone             string `json:"phone,omitempty"`
-	Email             string `json:"email,omitempty"`
-	FirstVisit        string `json:"firstVisit,omitempty"`
-	LastVisit         string `json:"lastVisit,omitempty"`
-	Group             string `json:"group,omitempty"`
-	ResponsiblePerson string `json:"responsiblePerson,omitempty"`
+	Id                int    `gorm:"primaryKey" json:"id"`
+	FirstName         string `gorm:"column:firstName" json:"firstName,omitempty"`
+	FirstNameHash     string `gorm:"column:firstNameHash" json:"-"`
+	LastName          string `gorm:"column:lastName" json:"lastName,omitempty"`
+	LastNameHash      string `gorm:"column:lastNameHash" json:"-"`
+	Birthday          string `gorm:"column:birthday" json:"birthday,omitempty"`
+	BirthdayHash      string `gorm:"column:birthdayHash" json:"-"`
+	Address           string `gorm:"column:address" json:"address,omitempty"`
+	Zip               string `gorm:"column:zip" json:"zip,omitempty"`
+	Town              string `gorm:"column:town" json:"town,omitempty"`
+	Phone             string `gorm:"column:phone" json:"phone,omitempty"`
+	Email             string `gorm:"column:email" json:"email,omitempty"`
+	FirstVisit        string `gorm:"column:firstVisit" json:"firstVisit,omitempty"`
+	LastVisit         string `gorm:"column:lastVisit" json:"lastVisit,omitempty"`
+	Group             string `gorm:"column:group" json:"group,omitempty"`
+	ResponsiblePerson string `gorm:"column:responsiblePerson" json:"responsiblePerson,omitempty"`
 }

models/person.go

@@ -1,7 +1,29 @@
 package models
 
+import (
+	"database/sql/driver"
+	"encoding/json"
+	"fmt"
+)
+
+type Persons []Person
+
 type Person struct {
-	Id        int    `json:"id,omitEmpty"`
-	FirstName string `json:"firstName"`
-	LastName  string `json:"lastName"`
+	Id        int    `gorm:"primaryKey" json:"id"`
+	FirstName string `gorm:"column:firstName" json:"firstName"`
+	LastName  string `gorm:"column:lastName" json:"lastName"`
+}
+
+// --- Implement driver.Valuer (for saving to DB)
+func (r Persons) Value() (driver.Value, error) {
+	return json.Marshal(r)
+}
+
+// --- Implement sql.Scanner (for reading from DB)
+func (r *Persons) Scan(value any) error {
+	bytes, ok := value.([]byte)
+	if !ok {
+		return fmt.Errorf("failed to unmarshal Settings: %v", value)
+	}
+	return json.Unmarshal(bytes, r)
 }