Function useUserClasses

Returns {
    classes: (
        | UserClass
        | {
            classCode: string;
            classHexColor: string;
            classTitle: string;
            id: string;
        }
    )[];
    error: null
    | string;
    handleClassSelect: (
        selection: { id: null | string; type: "all" | "class" | "non-class" },
    ) => void;
    loading: boolean;
    originalClasses: UserClassInfo[];
    selectedClass:
        | null
        | UserClassInfo
        | {
            studentStatus: null;
            userClass: {
                classCode: string;
                classHexColor: string;
                classTitle: string;
                id: string;
            };
        };
    selectedClassId: null
    | string;
    selectedClassType: "all" | "class" | "non-class";
}

• Contains classes, loading state, error message, and selected class information.