Cloudlog/application/controllers/Search.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class Search extends CI_Controller {


    function __construct()
    {
        parent::__construct();

        $this->load->helper(array('form', 'url'));
        if($this->config->item('public_search') != TRUE) {
            $this->load->model('user_model');
            if(!$this->user_model->authorize(2)) { $this->session->set_flashdata('notice', 'You\'re not allowed to do that!'); redirect('dashboard'); }
        }
    }

	public function index()
	{
		$data['page_title'] = "Search";

        $this->load->view('interface_assets/header', $data);
		$this->load->view('search/main');
        $this->load->view('interface_assets/footer');
	}

    // Filter is for advanced searching and filtering of the logbook
    public function filter() {
        $data['page_title'] = "Search & Filter Logbook";

        $this->load->library('form_validation');

        $this->load->model('Search_filter');

        $data['get_table_names'] = $this->Search_filter->get_table_columns();

        //print_r($this->Search_filter->get_table_columns());

        if ($this->form_validation->run() == FALSE)
        {
            $this->load->view('interface_assets/header', $data);
            $this->load->view('search/filter');
            $this->load->view('interface_assets/footer');
        }
        else
        {
            $this->load->view('interface_assets/header', $data);
            $this->load->view('search/filter');
            $this->load->view('interface_assets/footer');
        }
    }

    function json_result() {

          if(isset($_POST['search'])) {
            $json = $_POST['search'];

            $search_items = json_decode($json, true);

            $search_type = "";

            foreach($search_items as $key=>$value){


                if($value == "AND") {
                    $search_type = "AND";
                }
                if ($value == "OR") {
                    $search_type = "OR";
                }

                if(is_array($value)) {
                    foreach($value as $values)
                    {

                        if(isset($values['rules'])) {
                            if($values['condition'] == "AND") {
                                $this->db->group_start();
                            } else {
                                $this->db->or_group_start();
                            }
                            foreach($values['rules'] as $group_value)
                            {
                                if($group_value['operator'] == "equal") {
                                    if($values['condition'] == "AND") {
                                        $this->db->where($group_value['field'], $group_value['value']); 
                                    } else {
                                        $this->db->or_where($group_value['field'], $group_value['value']); 
                                    }
                                }

                                if($group_value['operator'] == "not_equal") {
                                    if($values['condition'] == "AND") {
                                       $this->db->where($group_value['field'].' !=', $group_value['value']);
                                    } else {
                                       $this->db->or_where($group_value['field'].' !=', $group_value['value']);
                                    }
                                }
								
								if($group_value['operator'] == "begins_with") {
                                    if($values['condition'] == "AND") {
                                       $this->db->where($group_value['field'].' like ', $group_value['value']."%");
                                    } else {
                                       $this->db->or_where($group_value['field'].' like ', $group_value['value']."%");
                                    }
                                }
								
								if($group_value['operator'] == "contains") {
                                    if($values['condition'] == "AND") {
                                       $this->db->where($group_value['field'].' like ', "%".$group_value['value']."%");
                                    } else {
                                       $this->db->or_where($group_value['field'].' like ', "%".$group_value['value']."%");
                                    }
                                }
								
								if($group_value['operator'] == "ends_with") {
                                    if($values['condition'] == "AND") {
                                       $this->db->where($group_value['field'].' like ', "%".$group_value['value']);
                                    } else {
                                       $this->db->or_where($group_value['field'].' like ', "%".$group_value['value']);
                                    }
                                }
								
								if($group_value['operator'] == "is_empty") {
                                    if($values['condition'] == "AND") {
                                       $this->db->where($group_value['field'], "''");
                                    } else {
                                       $this->db->or_where($group_value['field'], "''");
                                    }
                                }
								
                                if($group_value['operator'] == "is_not_empty") {
                                    if($values['condition'] == "AND") {
                                       $this->db->where($group_value['field'].' !=', "''");
                                    } else {
                                       $this->db->or_where($group_value['field'].' !=', "''");
                                    }
                                }
								
								if($group_value['operator'] == "is_null") {
                                    if($values['condition'] == "AND") {
                                       $this->db->where($group_value['field'].' is ', NULL);
                                    } else {
                                       $this->db->or_where($group_value['field'].' is ', NULL);
                                    }
                                }
								
                                if($group_value['operator'] == "is_not_null") {
                                    if($values['condition'] == "AND") {
                                       $this->db->where($group_value['field'].' is not ', NULL);
                                    } else {
                                       $this->db->or_where($group_value['field'].' is not ', NULL);
                                    }
                                }


                                if($group_value['operator'] == "less") {
                                    if($values['condition'] == "AND") {
                                       $this->db->where($group_value['field'].' <', $group_value['value']);
                                    } else {
                                       $this->db->or_where($group_value['field'].' <', $group_value['value']);
                                    }
                                }

                                if($group_value['operator'] == "less_or_equal") {
                                    if($values['condition'] == "AND") {
                                       $this->db->where($group_value['field'].' <=', $group_value['value']);
                                    } else {
                                       $this->db->or_where($group_value['field'].' <=', $group_value['value']);
                                    }
                                }

                                if($group_value['operator'] == "greater") {
                                    if($values['condition'] == "AND") {
                                       $this->db->where($group_value['field'].' >', $group_value['value']);
                                    } else {
                                       $this->db->or_where($group_value['field'].' >', $group_value['value']);
                                    }
                                }

                                if($group_value['operator'] == "greater_or_equal") {
                                    if($values['condition'] == "AND") {
                                       $this->db->where($group_value['field'].' >=', $group_value['value']);
                                    } else {
                                       $this->db->or_where($group_value['field'].' >=', $group_value['value']);
                                    }
                                }

                            }
                            $this->db->group_end();
                        } else {
                            //print_r($values['field']);
                            if(isset($values['operator'])) {

                            }
                            if($values['operator'] == "equal") {
                                if($search_type == "AND") {
                                    $this->db->where($values['field'], $values['value']); 
                                } else {
                                    $this->db->or_where($values['field'], $values['value']); 
                                }
                            }

                            if($values['operator'] == "not_equal") {
                                if($search_type == "AND") {
                                   $this->db->where($values['field'].' !=', $values['value']);
                                } else {
                                   $this->db->or_where($values['field'].' !=', $values['value']);
                                }
                            }
							
							if($values['operator'] == "begins_with") {
                                if($search_type == "AND") {
								   $this->db->where($values['field'].' like ', $values['value']."%");
								} else {
								   $this->db->or_where($values['field'].' like ', $values['value']."%");
								}
							}
							
							if($values['operator'] == "contains") {
                                if($search_type == "AND") {
								   $this->db->where($values['field'].' like ', "%".$values['value']."%");
								} else {
								   $this->db->or_where($values['field'].' like ', "%".$values['value']."%");
								}
							}
							
							if($values['operator'] == "ends_with") {
                                if($search_type == "AND") {
								   $this->db->where($values['field'].' like ', "%".$values['value']);
								} else {
								   $this->db->or_where($values['field'].' like ', "%".$values['value']);
								}
							}
							
							if($values['operator'] == "is_empty") {
                                if($search_type == "AND") {
								   $this->db->where($values['field'], "");
								} else {
								   $this->db->or_where($values['field'], "");
								}
							}
							
							if($values['operator'] == "is_not_empty") {
                                if($search_type == "AND") {
								   $this->db->where($values['field'].' !=', "");
								} else {
								   $this->db->or_where($values['field'].' !=', "");
								}
							}
							
							if($values['operator'] == "is_null") {
                                if($search_type == "AND") {
								   $this->db->where($values['field'].' is ', NULL);
								} else {
								   $this->db->or_where($values['field'].' is ', NULL);
								}
							}
							
							if($values['operator'] == "is_not_null") {
                                if($search_type == "AND") {
								   $this->db->where($values['field'].' is not ', NULL);
								} else {
								   $this->db->or_where($values['field'].' is not ', NULL);
								}
							}

                            if($values['operator'] == "less") {
                                if($search_type == "AND") {
                                   $this->db->where($values['field'].' <', $values['value']);
                                } else {
                                   $this->db->or_where($values['field'].' <', $values['value']);
                                }
                            }

                            if($values['operator'] == "less_or_equal") {
                                if($search_type == "AND") {
                                   $this->db->where($values['field'].' <=', $values['value']);
                                } else {
                                   $this->db->or_where($values['field'].' <=', $values['value']);
                                }
                            }

                            if($values['operator'] == "greater") {
                                if($search_type == "AND") {
                                   $this->db->where($values['field'].' >', $values['value']);
                                } else {
                                   $this->db->or_where($values['field'].' >', $values['value']);
                                }
                            }

                            if($values['operator'] == "greater_or_equal") {
                                if($search_type == "AND") {
                                   $this->db->where($values['field'].' >=', $values['value']);
                                } else {
                                   $this->db->or_where($values['field'].' >=', $values['value']);
                                }
                            }
                        }
                        
                    }
                }
            }
            $this->db->order_by('COL_TIME_ON', 'DESC');
            $query = $this->db->get($this->config->item('table_name'));
            echo json_encode($query->result_array());
            } else {
				echo "Noooooooob";
          }

    }
}