Projektové ovlivnění ceníků a cenové politiky

1 public class PriceListUsageCondition extends UsageCondition implements UsageSpecificIndexedCondition {2	@Serial private static final long serialVersionUID = 6407632885392385727L;3	4	public static final String PRICE_LIST_CODE = "priceListCode";5
6	/**7     * The price list code for which the condition is valid and the user has access to the price list.8	 */9	private String priceListCode;10
11	@Override12	public UsageConditionIndexedProperty[] getUsageIndexedProperty() {13		return new UsageConditionIndexedProperty[] {14				new UsageConditionIndexedProperty(PRICE_LIST_CODE, priceListCode)15		};16	}17
18	@JsonCreator19	public PriceListUsageCondition() {20		// constructor for deserialization21	}22}

1 public class ProjectUsageConditionEvaluator implements UsageConditionEvaluator<PriceListUsageCondition> {2	private final CommonUserProvider commonUserProvider;3
4	/**5	 * The type of the condition that this evaluator can evaluate.6	 */7	@Override8	public Class<PriceListUsageCondition> getUsageConditionType() {9		// specify the type of the condition that this evaluator can evaluate10		return PriceListUsageCondition.class;11	}12
13	/**14	 * Get the properties that are used as keys for filtering the price lists.15	 * @return the properties that are used as keys for filtering the price lists or an empty array if no properties are used to get default price lists.16	 */17	@Override18	public UsageConditionIndexedProperty[] getUsageConditionKeyProperties(@NonNull String catalogCode) {19		final String currentUser = getCurrentUser(); // get external id of the current user20		if (currentUser == null) {21			// no user is logged in - return default for anonymous users, no applicable price lists will be returned for that user22			return getDefault();23		}24		final DefaultCompany company = PermissionService.executeAsSuperUser(() -> companyService.getCompanyOfUser(currentUser));25		if (company == null) {26			// no company is assigned to the user - return default for anonymous users or B2C customers, no applicable price lists will be returned for that user27			return getDefault();28		}29
30		final List<String> priceListCodes = ((CustomCompany) company).getPriceListCodes(); // Project specific method to get price list codes31		if (isEmpty(priceListCodes)) {32			// no specific price list codes are assigned to the company - return default, no applicable price lists will be returned for that user33			return getDefault();34		}35		// return the price list codes as indexed properties to be used for filtering the price lists36		return priceListCodes.stream()37				.map(code -> new UsageConditionIndexedProperty(PRICE_LIST_CODE, code, 38						anotherProperty -> !PRICE_LIST_CODE.equals(anotherProperty.getName())))39				.toArray(UsageConditionIndexedProperty[]::new);40	}41
42	/**43	 * Check if the price list with the condition is valid for the current user.44	 * @param usageCondition the condition to check45	 * @return true if the price list with the condition is valid for the current user46	 */47	@Override48	public boolean validFor(PriceListUsageCondition usageCondition) {49		final String currentUser = getCurrentUser(); // get external id of the current user50		if (currentUser == null) {51			// no user is logged in - price list with this condition is not valid for anonymous users52			return false;53		}54
55		final Company company = PermissionService.executeAsSuperUser(() -> companyService.getCompanyOfUser(currentUser));56		if (company == null) {57			// no company is assigned to the user - price list with this condition is not valid for anonymous users or B2C customers58			return false;59		}60
61		// get priceList code from company62		final List<String> priceListCodes = ((CustomCompany) company).getPriceListCodes(); // Project specific method to get price list codes63		if (isEmpty(priceListCodes)) {64			// no specific price list codes are assigned to the company - price list with this condition is not valid for anonymous users or B2C customers65			return false;66		}67		// check if the price list code in the condition is valid for the current user68		return priceListCodes.contains(usageCondition.getPriceListCode());69	}70
71	/**72	 * Get the current user from the context or from the logged-in user.73     * 74     * @see PublishedEntityContextSimulator#getUser()75     * @see CommonUserProvider#getLoggedInUserId() 76	 * @return the current user or null if no user is logged in77	 */78	@Nullable79	protected String getCurrentUser() {80		return ofNullable(PublishedEntityContextSimulator.getUser())81				.map(commonUser -> {82					if (log.isDebugEnabled()) {83						log.debug("Current user  is retrieved from the context.", commonUser.getExternalId());84					}85					return commonUser.getExternalId();86				})87				.orElseGet(() -> {88					final String loggedInUserId = commonUserProvider.getLoggedInUserId();89					if (log.isDebugEnabled()) {90						log.debug("Current user is not retrieved from the context. Logged-in user is `{}`.", loggedInUserId);91					}92					return loggedInUserId;93				});94	}95
96	/**97	 * Return properties to get default price lists.98	 */99	@NonNull100	private UsageConditionIndexedProperty[] getDefault() {101		return new UsageConditionIndexedProperty[]{};102	}103}