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functions.go
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functions.go
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/*
* Copyright 2022 InfAI (CC SES)
*
* Licensed 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 controller
import (
"errors"
"github.com/SENERGY-Platform/device-repository/lib/model"
"github.com/SENERGY-Platform/models/go/models"
"net/http"
"strings"
)
func (this *Controller) SetFunction(function models.Function, owner string) error {
model.SetFunctionRdfType(&function)
ctx, _ := getTimeoutContext()
return this.db.SetFunction(ctx, function)
}
func (this *Controller) DeleteFunction(id string) error {
ctx, _ := getTimeoutContext()
return this.db.RemoveFunction(ctx, id)
}
func (this *Controller) GetFunctionsByType(rdfType string) (result []models.Function, err error, code int) {
code = http.StatusOK
ctx, _ := getTimeoutContext()
result, err = this.db.ListAllFunctionsByType(ctx, rdfType)
if err != nil {
code = http.StatusInternalServerError
}
return
}
// returns all measuring functions used in combination with given aspect (and optional its descendants and ancestors)
func (this *Controller) GetAspectNodesMeasuringFunctions(aspect string, ancestors bool, descendants bool) (result []models.Function, err error, code int) {
code = http.StatusOK
ctx, _ := getTimeoutContext()
result, err = this.db.ListAllMeasuringFunctionsByAspect(ctx, aspect, ancestors, descendants)
if err != nil {
code = http.StatusInternalServerError
}
return
}
func (this *Controller) GetDeviceClassesFunctions(deviceClass string) (result []models.Function, err error, code int) {
code = http.StatusOK
ctx, _ := getTimeoutContext()
result, err = this.db.ListAllFunctionsByDeviceClass(ctx, deviceClass)
if err != nil {
code = http.StatusInternalServerError
}
return
}
func (this *Controller) GetDeviceClassesControllingFunctions(deviceClass string) (result []models.Function, err error, code int) {
code = http.StatusOK
ctx, _ := getTimeoutContext()
result, err = this.db.ListAllControllingFunctionsByDeviceClass(ctx, deviceClass)
if err != nil {
code = http.StatusInternalServerError
}
return
}
func (this *Controller) GetFunction(id string) (result models.Function, err error, code int) {
ctx, _ := getTimeoutContext()
result, exists, err := this.db.GetFunction(ctx, id)
if err != nil {
return result, err, http.StatusInternalServerError
}
if !exists {
return result, errors.New("not found"), http.StatusNotFound
}
return result, nil, http.StatusOK
}
func (this *Controller) ValidateFunction(function models.Function) (err error, code int) {
if function.Id == "" {
return errors.New("missing function id"), http.StatusBadRequest
}
if !strings.HasPrefix(function.Id, model.URN_PREFIX) {
return errors.New("invalid function id"), http.StatusBadRequest
}
if function.Name == "" {
return errors.New("missing function name"), http.StatusBadRequest
}
if !(function.RdfType == model.SES_ONTOLOGY_CONTROLLING_FUNCTION || function.RdfType == model.SES_ONTOLOGY_MEASURING_FUNCTION) {
return errors.New("wrong function type"), http.StatusBadRequest
}
return nil, http.StatusOK
}
func (this *Controller) ValidateFunctionDelete(id string) (err error, code int) {
ctx, _ := getTimeoutContext()
isUsed, where, err := this.db.FunctionIsUsed(ctx, id)
if err != nil {
return err, http.StatusInternalServerError
}
if isUsed {
return errors.New("still in use: " + strings.Join(where, ",")), http.StatusBadRequest
}
return nil, http.StatusOK
}