feat: implement wish list and wish features including creation, retrieval, and updates;

fix: modify ban logic to respect expiration timestamps and pardon flags;
refactor: change boolean fields to non-nullable in models and use COALESCE for optional updates in SQL

backend/internal/database/models.go

@@ -15,7 +15,7 @@ type BannedUser struct {
 	Reason     *string
 	ExpiresAt  pgtype.Timestamp
 	BannedBy   *string
-	Pardoned   *bool
+	Pardoned   bool
 	PardonedBy *string
 }
 
@@ -25,8 +25,8 @@ type ConfirmationCode struct {
 	CodeType  int32
 	CodeHash  string
 	ExpiresAt pgtype.Timestamp
-	Used      *bool
-	Deleted   *bool
+	Used      bool
+	Deleted   bool
 }
 
 type LoginInformation struct {
@@ -78,8 +78,34 @@ type Session struct {
 type User struct {
 	ID               int64
 	Username         string
-	Verified         *bool
+	Verified         bool
 	RegistrationDate pgtype.Timestamp
 	Role             int32
 	Deleted          *bool
 }
+
+type Wish struct {
+	ID            int64
+	Guid          pgtype.UUID
+	WishListID    int64
+	Name          string
+	Description   string
+	PictureUrl    string
+	Stars         int16
+	CreationDate  pgtype.Timestamp
+	Fulfilled     bool
+	FulfilledDate pgtype.Timestamp
+	Deleted       bool
+}
+
+type WishList struct {
+	ID        int64
+	Guid      pgtype.UUID
+	ProfileID int64
+	Hidden    bool
+	Name      string
+	IconName  *string
+	Color     *string
+	ColorGrad *string
+	Deleted   bool
+}