servicedefinition.go

// Copyright (c) 2011-2017, HL7, Inc & The MITRE Corporation
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright notice, this
//       list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright notice,
//       this list of conditions and the following disclaimer in the documentation
//       and/or other materials provided with the distribution.
//     * Neither the name of HL7 nor the names of its contributors may be used to
//       endorse or promote products derived from this software without specific
//       prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

package models

import (
	"encoding/json"
	"errors"
	"fmt"
)

type ServiceDefinition struct {
	DomainResource      `bson:",inline"`
	Url                 string              `bson:"url,omitempty" json:"url,omitempty"`
	Identifier          []Identifier        `bson:"identifier,omitempty" json:"identifier,omitempty"`
	Version             string              `bson:"version,omitempty" json:"version,omitempty"`
	Name                string              `bson:"name,omitempty" json:"name,omitempty"`
	Title               string              `bson:"title,omitempty" json:"title,omitempty"`
	Status              string              `bson:"status,omitempty" json:"status,omitempty"`
	Experimental        *bool               `bson:"experimental,omitempty" json:"experimental,omitempty"`
	Date                *FHIRDateTime       `bson:"date,omitempty" json:"date,omitempty"`
	Publisher           string              `bson:"publisher,omitempty" json:"publisher,omitempty"`
	Description         string              `bson:"description,omitempty" json:"description,omitempty"`
	Purpose             string              `bson:"purpose,omitempty" json:"purpose,omitempty"`
	Usage               string              `bson:"usage,omitempty" json:"usage,omitempty"`
	ApprovalDate        *FHIRDateTime       `bson:"approvalDate,omitempty" json:"approvalDate,omitempty"`
	LastReviewDate      *FHIRDateTime       `bson:"lastReviewDate,omitempty" json:"lastReviewDate,omitempty"`
	EffectivePeriod     *Period             `bson:"effectivePeriod,omitempty" json:"effectivePeriod,omitempty"`
	UseContext          []UsageContext      `bson:"useContext,omitempty" json:"useContext,omitempty"`
	Jurisdiction        []CodeableConcept   `bson:"jurisdiction,omitempty" json:"jurisdiction,omitempty"`
	Topic               []CodeableConcept   `bson:"topic,omitempty" json:"topic,omitempty"`
	Contributor         []Contributor       `bson:"contributor,omitempty" json:"contributor,omitempty"`
	Contact             []ContactDetail     `bson:"contact,omitempty" json:"contact,omitempty"`
	Copyright           string              `bson:"copyright,omitempty" json:"copyright,omitempty"`
	RelatedArtifact     []RelatedArtifact   `bson:"relatedArtifact,omitempty" json:"relatedArtifact,omitempty"`
	Trigger             []TriggerDefinition `bson:"trigger,omitempty" json:"trigger,omitempty"`
	DataRequirement     []DataRequirement   `bson:"dataRequirement,omitempty" json:"dataRequirement,omitempty"`
	OperationDefinition *Reference          `bson:"operationDefinition,omitempty" json:"operationDefinition,omitempty"`
}

// Custom marshaller to add the resourceType property, as required by the specification
func (resource *ServiceDefinition) MarshalJSON() ([]byte, error) {
	resource.ResourceType = "ServiceDefinition"
	// Dereferencing the pointer to avoid infinite recursion.
	// Passing in plain old x (a pointer to ServiceDefinition), would cause this same
	// MarshallJSON function to be called again
	return json.Marshal(*resource)
}

func (x *ServiceDefinition) GetBSON() (interface{}, error) {
	x.ResourceType = "ServiceDefinition"
	// See comment in MarshallJSON to see why we dereference
	return *x, nil
}

// The "serviceDefinition" sub-type is needed to avoid infinite recursion in UnmarshalJSON
type serviceDefinition ServiceDefinition

// Custom unmarshaller to properly unmarshal embedded resources (represented as interface{})
func (x *ServiceDefinition) UnmarshalJSON(data []byte) (err error) {
	x2 := serviceDefinition{}
	if err = json.Unmarshal(data, &x2); err == nil {
		if x2.Contained != nil {
			for i := range x2.Contained {
				x2.Contained[i], err = MapToResource(x2.Contained[i], true)
				if err != nil {
					return err
				}
			}
		}
		*x = ServiceDefinition(x2)
		return x.checkResourceType()
	}
	return
}

func (x *ServiceDefinition) checkResourceType() error {
	if x.ResourceType == "" {
		x.ResourceType = "ServiceDefinition"
	} else if x.ResourceType != "ServiceDefinition" {
		return errors.New(fmt.Sprintf("Expected resourceType to be ServiceDefinition, instead received %s", x.ResourceType))
	}
	return nil
}