export function backendPortValidator()

in desktop/src/app/components/pool/network-configuration/pool-endpoint-helper.ts [24:63]

• 40 lines of code
• 9 McCabe index (conditional complexity)

export function backendPortValidator(inboundNATPools: InboundNATPoolAttributes[]) {
    return (control: FormControl): {[key: string]: any} => {
        if (control.value === null) {
            return null;
        }
        if (inboundNATPools) {
            let hasDuplicate = false;
            if (inboundNATPools) {
                for (const pool of inboundNATPools) {
                    if (control.value === pool.backendPort) {
                        hasDuplicate = true;
                        break;
                    }
                }
            }
            if (hasDuplicate) {
                return {
                    duplicateValue: {
                        value: control.value,
                    },
                };
            }
        }
        if (control.value < MININUM_PORT || control.value > MAXIMUM_BACKEND_PORT) {
            return {
                invalidRange: {
                    value: control.value,
                },
            };
        }
        if (RESERVED_BACKEND_PORT.includes(control.value)) {
            return {
                reservedPort: {
                    value: control.value,
                },
            };
        }
        return null;
    };
}