Don't allow following oneself

app.py

@@ -322,6 +322,8 @@ def userProfile(username):

                                
                                
                                
                            
                                
                                    
                                        
                                            322  
                                                elif flask.request.method == "POST":
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            323  
                                                    match flask.request.args.get("action"):
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            324  
                                                        case "follow":
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        325 +
                                                        if username == flask.session.get("username"):
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        326 +
                                                            flask.abort(403)
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            327  
                                                            if oldRelationship:
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            328  
                                                                db.session.delete(oldRelationship)
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            329  
                                                            else: