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• ApprovalsResource.java

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org.acme.travels.ApprovalsResource Maven / Gradle / Ivy

package org.acme.travels;

import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import javax.ws.rs.Consumes;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.PathParam;
import javax.ws.rs.QueryParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import org.kie.api.runtime.process.WorkItemNotFoundException;
import org.kie.kogito.Application;
import org.kie.kogito.auth.SecurityPolicy;
import org.kie.kogito.process.Process;
import org.kie.kogito.process.ProcessInstance;
import org.kie.kogito.process.ProcessInstanceExecutionException;
import org.kie.kogito.process.WorkItem;
import org.kie.kogito.process.workitem.Policy;
import org.kie.kogito.process.impl.Sig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.acme.travels.ApprovalsModel;
import org.acme.travels.ApprovalsModelOutput;

@Path("/approvals")
@org.springframework.stereotype.Component()
public class ApprovalsResource {

    @org.springframework.beans.factory.annotation.Autowired()
    @org.springframework.beans.factory.annotation.Qualifier("approvals")
    Process process;

    @org.springframework.beans.factory.annotation.Autowired()
    Application application;

    @POST()
    @Produces(MediaType.APPLICATION_JSON)
    @Consumes(MediaType.APPLICATION_JSON)
    @javax.annotation.security.RolesAllowed({ "employees", "managers" })
    public ApprovalsModelOutput createResource_approvals(@Context HttpHeaders httpHeaders, @QueryParam("businessKey") String businessKey, @javax.validation.Valid() @javax.validation.constraints.NotNull() ApprovalsModelInput resource) {
        if (resource == null) {
            resource = new ApprovalsModelInput();
        }
        final ApprovalsModelInput value = resource;
        return org.kie.kogito.services.uow.UnitOfWorkExecutor.executeInUnitOfWork(application.unitOfWorkManager(), () -> {
            ProcessInstance pi = process.createInstance(businessKey, mapInput(value, new ApprovalsModel()));
            String startFromNode = httpHeaders.getHeaderString("X-KOGITO-StartFromNode");
            if (startFromNode != null) {
                pi.startFrom(startFromNode);
            } else {
                pi.start();
            }
            return getModel(pi);
        });
    }

    @GET()
    @Produces(MediaType.APPLICATION_JSON)
    @javax.annotation.security.RolesAllowed({ "employees", "managers" })
    public List getResources_approvals() {
        return process.instances().values().stream().map(pi -> mapOutput(new ApprovalsModelOutput(), pi.variables())).collect(Collectors.toList());
    }

    @GET()
    @Path("/{id}")
    @Produces(MediaType.APPLICATION_JSON)
    @javax.annotation.security.RolesAllowed({ "employees", "managers" })
    public ApprovalsModelOutput getResource_approvals(@PathParam("id") String id) {
        return process.instances().findById(id).map(pi -> mapOutput(new ApprovalsModelOutput(), pi.variables())).orElse(null);
    }

    @DELETE()
    @Path("/{id}")
    @Produces(MediaType.APPLICATION_JSON)
    @javax.annotation.security.RolesAllowed({ "employees", "managers" })
    public ApprovalsModelOutput deleteResource_approvals(@PathParam("id") final String id) {
        return org.kie.kogito.services.uow.UnitOfWorkExecutor.executeInUnitOfWork(application.unitOfWorkManager(), () -> {
            ProcessInstance pi = process.instances().findById(id).orElse(null);
            if (pi == null) {
                return null;
            } else {
                pi.abort();
                return getModel(pi);
            }
        });
    }

    @POST()
    @Path("/{id}")
    @Consumes(MediaType.APPLICATION_JSON)
    @Produces(MediaType.APPLICATION_JSON)
    @javax.annotation.security.RolesAllowed({ "employees", "managers" })
    public ApprovalsModelOutput updateModel_approvals(@PathParam("id") String id, ApprovalsModel resource) {
        return org.kie.kogito.services.uow.UnitOfWorkExecutor.executeInUnitOfWork(application.unitOfWorkManager(), () -> {
            ProcessInstance pi = process.instances().findById(id).orElse(null);
            if (pi == null) {
                return null;
            } else {
                pi.updateVariables(resource);
                return mapOutput(new ApprovalsModelOutput(), pi.variables());
            }
        });
    }

    @GET()
    @Path("/{id}/tasks")
    @Produces(MediaType.APPLICATION_JSON)
    @javax.annotation.security.RolesAllowed({ "employees", "managers" })
    public Map getTasks_approvals(@PathParam("id") String id, @QueryParam("user") final String user, @QueryParam("group") final List groups) {
        return process.instances().findById(id).map(pi -> pi.workItems(policies(user, groups))).map(l -> l.stream().collect(Collectors.toMap(WorkItem::getId, WorkItem::getName))).orElse(null);
    }

    protected ApprovalsModelOutput getModel(ProcessInstance pi) {
        if (pi.status() == ProcessInstance.STATE_ERROR && pi.error().isPresent()) {
            throw new ProcessInstanceExecutionException(pi.id(), pi.error().get().failedNodeId(), pi.error().get().errorMessage());
        }
        return mapOutput(new ApprovalsModelOutput(), pi.variables());
    }

    protected Policy[] policies(String user, List groups) {
        if (user == null) {
            return new Policy[0];
        }
        org.kie.kogito.auth.IdentityProvider identity = null;
        if (user != null) {
            identity = new org.kie.kogito.services.identity.StaticIdentityProvider(user, groups);
        }
        return new Policy[] { SecurityPolicy.of(identity) };
    }

    protected ApprovalsModel mapInput(@javax.validation.Valid() @javax.validation.constraints.NotNull() ApprovalsModelInput input, ApprovalsModel resource) {
        resource.fromMap(input.toMap());
        return resource;
    }

    protected ApprovalsModelOutput mapOutput(ApprovalsModelOutput output, ApprovalsModel resource) {
        output.fromMap(resource.getId(), resource.toMap());
        return output;
    }

    @POST()
    @Path("/{id}/firstLineApproval/{workItemId}")
    @Consumes(MediaType.APPLICATION_JSON)
    @Produces(MediaType.APPLICATION_JSON)
    public ApprovalsModelOutput completeTask_3(@PathParam("id") final String id, @PathParam("workItemId") final String workItemId, @QueryParam("phase") @DefaultValue("complete") final String phase, @QueryParam("user") final String user, @QueryParam("group") final List groups, final Approvals_3_TaskOutput model) {
        try {
            return org.kie.kogito.services.uow.UnitOfWorkExecutor.executeInUnitOfWork(application.unitOfWorkManager(), () -> {
                ProcessInstance pi = process.instances().findById(id).orElse(null);
                if (pi == null) {
                    return null;
                } else {
                    org.kie.kogito.auth.IdentityProvider identity = null;
                    if (user != null) {
                        identity = new org.kie.kogito.services.identity.StaticIdentityProvider(user, groups);
                    }
                    org.jbpm.process.instance.impl.humantask.HumanTaskTransition transition = new org.jbpm.process.instance.impl.humantask.HumanTaskTransition(phase, model.toMap(), identity);
                    pi.transitionWorkItem(workItemId, transition);
                    return getModel(pi);
                }
            });
        } catch (WorkItemNotFoundException e) {
            return null;
        }
    }

    @GET()
    @Path("/{id}/firstLineApproval/{workItemId}")
    @Produces(MediaType.APPLICATION_JSON)
    public Approvals_3_TaskInput getTask_3(@PathParam("id") String id, @PathParam("workItemId") String workItemId, @QueryParam("user") final String user, @QueryParam("group") final List groups) {
        try {
            ProcessInstance pi = process.instances().findById(id).orElse(null);
            if (pi == null) {
                return null;
            } else {
                WorkItem workItem = pi.workItem(workItemId, policies(user, groups));
                if (workItem == null) {
                    return null;
                }
                return Approvals_3_TaskInput.fromMap(workItem.getId(), workItem.getName(), workItem.getParameters());
            }
        } catch (WorkItemNotFoundException e) {
            return null;
        }
    }

    @DELETE()
    @Path("/{id}/firstLineApproval/{workItemId}")
    @Produces(MediaType.APPLICATION_JSON)
    public ApprovalsModelOutput abortTask_3(@PathParam("id") final String id, @PathParam("workItemId") final String workItemId, @QueryParam("phase") @DefaultValue("abort") final String phase, @QueryParam("user") final String user, @QueryParam("group") final List groups) {
        try {
            return org.kie.kogito.services.uow.UnitOfWorkExecutor.executeInUnitOfWork(application.unitOfWorkManager(), () -> {
                ProcessInstance pi = process.instances().findById(id).orElse(null);
                if (pi == null) {
                    return null;
                } else {
                    org.kie.kogito.auth.IdentityProvider identity = null;
                    if (user != null) {
                        identity = new org.kie.kogito.services.identity.StaticIdentityProvider(user, groups);
                    }
                    org.jbpm.process.instance.impl.humantask.HumanTaskTransition transition = new org.jbpm.process.instance.impl.humantask.HumanTaskTransition(phase, null, identity);
                    pi.transitionWorkItem(workItemId, transition);
                    return getModel(pi);
                }
            });
        } catch (WorkItemNotFoundException e) {
            return null;
        }
    }

    @POST()
    @Path("/{id}/secondLineApproval/{workItemId}")
    @Consumes(MediaType.APPLICATION_JSON)
    @Produces(MediaType.APPLICATION_JSON)
    public ApprovalsModelOutput completeTask_4(@PathParam("id") final String id, @PathParam("workItemId") final String workItemId, @QueryParam("phase") @DefaultValue("complete") final String phase, @QueryParam("user") final String user, @QueryParam("group") final List groups, final Approvals_4_TaskOutput model) {
        try {
            return org.kie.kogito.services.uow.UnitOfWorkExecutor.executeInUnitOfWork(application.unitOfWorkManager(), () -> {
                ProcessInstance pi = process.instances().findById(id).orElse(null);
                if (pi == null) {
                    return null;
                } else {
                    org.kie.kogito.auth.IdentityProvider identity = null;
                    if (user != null) {
                        identity = new org.kie.kogito.services.identity.StaticIdentityProvider(user, groups);
                    }
                    org.jbpm.process.instance.impl.humantask.HumanTaskTransition transition = new org.jbpm.process.instance.impl.humantask.HumanTaskTransition(phase, model.toMap(), identity);
                    pi.transitionWorkItem(workItemId, transition);
                    return getModel(pi);
                }
            });
        } catch (WorkItemNotFoundException e) {
            return null;
        }
    }

    @GET()
    @Path("/{id}/secondLineApproval/{workItemId}")
    @Produces(MediaType.APPLICATION_JSON)
    public Approvals_4_TaskInput getTask_4(@PathParam("id") String id, @PathParam("workItemId") String workItemId, @QueryParam("user") final String user, @QueryParam("group") final List groups) {
        try {
            ProcessInstance pi = process.instances().findById(id).orElse(null);
            if (pi == null) {
                return null;
            } else {
                WorkItem workItem = pi.workItem(workItemId, policies(user, groups));
                if (workItem == null) {
                    return null;
                }
                return Approvals_4_TaskInput.fromMap(workItem.getId(), workItem.getName(), workItem.getParameters());
            }
        } catch (WorkItemNotFoundException e) {
            return null;
        }
    }

    @DELETE()
    @Path("/{id}/secondLineApproval/{workItemId}")
    @Produces(MediaType.APPLICATION_JSON)
    public ApprovalsModelOutput abortTask_4(@PathParam("id") final String id, @PathParam("workItemId") final String workItemId, @QueryParam("phase") @DefaultValue("abort") final String phase, @QueryParam("user") final String user, @QueryParam("group") final List groups) {
        try {
            return org.kie.kogito.services.uow.UnitOfWorkExecutor.executeInUnitOfWork(application.unitOfWorkManager(), () -> {
                ProcessInstance pi = process.instances().findById(id).orElse(null);
                if (pi == null) {
                    return null;
                } else {
                    org.kie.kogito.auth.IdentityProvider identity = null;
                    if (user != null) {
                        identity = new org.kie.kogito.services.identity.StaticIdentityProvider(user, groups);
                    }
                    org.jbpm.process.instance.impl.humantask.HumanTaskTransition transition = new org.jbpm.process.instance.impl.humantask.HumanTaskTransition(phase, null, identity);
                    pi.transitionWorkItem(workItemId, transition);
                    return getModel(pi);
                }
            });
        } catch (WorkItemNotFoundException e) {
            return null;
        }
    }
}