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DeleteEventCommandHandler.execute   A
last analyzed

↳ Parent: DeleteEventCommandHandler

Complexity

Conditions 3

Size

Total Lines 14
Code Lines 12

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
eloc 12
dl 0
loc 14
c 0
b 0
f 0
rs 9.8
cc 3
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import { CommandHandler } from '@nestjs/cqrs';
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import { Inject } from '@nestjs/common';
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import { IEventRepository } from 'src/Domain/FairCalendar/Repository/IEventRepository';
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import { DeleteEventCommand } from './DeleteEventCommand';
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import { EventDoesntBelongToUserException } from 'src/Domain/FairCalendar/Exception/EventDoesntBelongToUserException';
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import { EventNotFoundException } from 'src/Domain/FairCalendar/Exception/EventNotFoundException';
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import { DoesEventBelongToUser } from 'src/Domain/FairCalendar/Specification/DoesEventBelongToUser';
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@CommandHandler(DeleteEventCommand)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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export class DeleteEventCommandHandler {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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  constructor(

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    @Inject('IEventRepository')

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private readonly eventRepository: IEventRepository,

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private readonly doesEventBelongToUser: DoesEventBelongToUser

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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  ) {}

            


            
                                                                        
                            
            
                                    
            
            

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

            


            
                                                                        
                            
            
                                    
            
            

                
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    const { id, user } = command;

            


            
                                                                        
                            
            
                                    
            
            

                
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    const event = await this.eventRepository.findOneById(id);

            


            
                                                                        
                            
            
                                    
            
            

                
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    if (!event) {

            


            
                                                                        
                            
            
                                    
            
            

                
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      throw new EventNotFoundException();

            


            
                                                                        
                            
            
                                    
            
            

                
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    }

            


            
                                                                        
                            
            
                                    
            
            

                
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    if (false === this.doesEventBelongToUser.isSatisfiedBy(event, user)) {

            


            
                                                                        
                            
            
                                    
            
            

                
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      throw new EventDoesntBelongToUserException();

            


            
                                                                        
                            
            
                                    
            
            

                
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    }

            


            
                                                                        
                            
            
                                    
            
            

                
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    await this.eventRepository.delete(event);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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  }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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