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Pull Request — master (#182)
by Mathieu
04:33
created

UpdateTaskCommandHandler.execute   A

↳ Parent: UpdateTaskCommandHandler

Complexity

Conditions 3

Size

Total Lines 18
Code Lines 15

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 3
eloc 15
dl 0
loc 18
rs 9.65
c 0
b 0
f 0
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import {CommandHandler} from '@nestjs/cqrs';
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import {Inject} from '@nestjs/common';
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import {UpdateTaskCommand} from './UpdateTaskCommand';
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import {ITaskRepository} from 'src/Domain/Task/Repository/ITaskRepository';
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import {TaskNotFoundException} from 'src/Domain/Task/Exception/TaskNotFoundException';
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import {IsTaskAlreadyExist} from 'src/Domain/Task/Specification/IsTaskAlreadyExist';
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import {TaskAlreadyExistException} from 'src/Domain/Task/Exception/TaskAlreadyExistException';
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@CommandHandler(UpdateTaskCommand)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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export class UpdateTaskCommandHandler {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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  constructor(

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    @Inject('ITaskRepository')

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private readonly taskRepository: ITaskRepository,

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private readonly isTaskAlreadyExist: IsTaskAlreadyExist

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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  ) {}

            


            
                                                                        
                            
            
                                    
            
            

                
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  public async execute(command: UpdateTaskCommand): Promise<void> {

            


            
                                                                        
                            
            
                                    
            
            

                
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    const {id, name} = command;

            


            
                                                                        
                            
            
                                    
            
            

                
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    const task = await this.taskRepository.findOneById(id);

            


            
                                                                        
                            
            
                                    
            
            

                
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    if (!task) {

            


            
                                                                        
                            
            
                                    
            
            

                
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      throw new TaskNotFoundException();

            


            
                                                                        
                            
            
                                    
            
            

                
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    }

            


            
                                                                        
                            
            
                                    
            
            

                
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    if (

            


            
                                                                        
                            
            
                                    
            
            

                
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      name !== task.getName() &&

            


            
                                                                        
                            
            
                                    
            
            

                
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      true === (await this.isTaskAlreadyExist.isSatisfiedBy(name))

            


            
                                                                        
                            
            
                                    
            
            

                
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    ) {

            


            
                                                                        
                            
            
                                    
            
            

                
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      throw new TaskAlreadyExistException();

            


            
                                                                        
                            
            
                                    
            
            

                
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    }

            


            
                                                                        
                            
            
                                    
            
            

                
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    task.updateName(name);

            


            
                                                                        
                            
            
                                    
            
            

                
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    await this.taskRepository.save(task);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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  }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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