fineract-provider/src/main/java/org/apache/fineract/portfolio/self/loanaccount/api/SelfLoansApiResource.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.fineract.portfolio.self.loanaccount.api;

import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.UriInfo;

import org.apache.fineract.infrastructure.security.service.PlatformSecurityContext;
import org.apache.fineract.portfolio.loanaccount.api.LoanChargesApiResource;
import org.apache.fineract.portfolio.loanaccount.api.LoanTransactionsApiResource;
import org.apache.fineract.portfolio.loanaccount.api.LoansApiResource;
import org.apache.fineract.portfolio.loanaccount.exception.LoanNotFoundException;
import org.apache.fineract.portfolio.self.loanaccount.data.SelfLoansDataValidator;
import org.apache.fineract.portfolio.self.loanaccount.service.AppuserLoansMapperReadService;
import org.apache.fineract.useradministration.domain.AppUser;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;

@Path("/self/loans")
@Component
@Scope("singleton")
public class SelfLoansApiResource {

	private final PlatformSecurityContext context;
	private final LoansApiResource loansApiResource;
	private final LoanTransactionsApiResource loanTransactionsApiResource;
	private final LoanChargesApiResource loanChargesApiResource;
	private final AppuserLoansMapperReadService appuserLoansMapperReadService;
	private final SelfLoansDataValidator dataValidator;

	@Autowired
	public SelfLoansApiResource(final PlatformSecurityContext context,
			final LoansApiResource loansApiResource,
			final LoanTransactionsApiResource loanTransactionsApiResource,
			final LoanChargesApiResource loanChargesApiResource,
			final AppuserLoansMapperReadService appuserLoansMapperReadService,
			final SelfLoansDataValidator dataValidator) {
		this.context = context;
		this.loansApiResource = loansApiResource;
		this.loanTransactionsApiResource = loanTransactionsApiResource;
		this.loanChargesApiResource = loanChargesApiResource;
		this.appuserLoansMapperReadService = appuserLoansMapperReadService;
		this.dataValidator = dataValidator;
	}

	@GET
	@Path("{loanId}")
	@Consumes({ MediaType.APPLICATION_JSON })
	@Produces({ MediaType.APPLICATION_JSON })
	public String retrieveLoan(@PathParam("loanId") final Long loanId,
			@Context final UriInfo uriInfo) {

		this.dataValidator.validateRetrieveLoan(uriInfo);

		validateAppuserLoanMapping(loanId);

		final boolean staffInSelectedOfficeOnly = false;
		return this.loansApiResource.retrieveLoan(loanId,
				staffInSelectedOfficeOnly, uriInfo);
	}

	@GET
	@Path("{loanId}/transactions/{transactionId}")
	@Consumes({ MediaType.APPLICATION_JSON })
	@Produces({ MediaType.APPLICATION_JSON })
	public String retrieveTransaction(@PathParam("loanId") final Long loanId,
			@PathParam("transactionId") final Long transactionId,
			@Context final UriInfo uriInfo) {

		this.dataValidator.validateRetrieveTransaction(uriInfo);

		validateAppuserLoanMapping(loanId);

		return this.loanTransactionsApiResource.retrieveTransaction(loanId,
				transactionId, uriInfo);
	}

	@GET
	@Path("{loanId}/charges")
	@Consumes({ MediaType.APPLICATION_JSON })
	@Produces({ MediaType.APPLICATION_JSON })
	public String retrieveAllLoanCharges(
			@PathParam("loanId") final Long loanId,
			@Context final UriInfo uriInfo) {

		validateAppuserLoanMapping(loanId);

		return this.loanChargesApiResource.retrieveAllLoanCharges(loanId,
				uriInfo);
	}

	@GET
	@Path("{loanId}/charges/{chargeId}")
	@Consumes({ MediaType.APPLICATION_JSON })
	@Produces({ MediaType.APPLICATION_JSON })
	public String retrieveLoanCharge(@PathParam("loanId") final Long loanId,
			@PathParam("chargeId") final Long loanChargeId,
			@Context final UriInfo uriInfo) {

		validateAppuserLoanMapping(loanId);

		return this.retrieveLoanCharge(loanId, loanChargeId, uriInfo);
	}

	private void validateAppuserLoanMapping(final Long loanId) {
		AppUser user = this.context.authenticatedUser();
		final boolean isLoanMappedToUser = this.appuserLoansMapperReadService
				.isLoanMappedToUser(loanId, user.getId());
		if (!isLoanMappedToUser) {
			throw new LoanNotFoundException(loanId);
		}
	}

}