first commit

2022-05-31 16:21:53 -04:00
commit f76abffdcd
5978 changed files with 1078901 additions and 0 deletions
@@ -0,0 +1,171 @@
+<?php
+defined('BASEPATH') or exit('No direct script access allowed');
+
+class Emission_Average_model extends CI_Model
+{
+
+    const PERPAGE = 100;
+
+    // table associate
+    protected $table = 'emission_avrg_commute';
+
+    // validate rules config
+    public $rules = array(
+        array(
+            'field' => 'mkey',
+            'label' => 'Mkey',
+            'rules' => 'required'
+        ),
+        array(
+            'field' => 'gramskm_perc',
+            'label' => 'Gramskm_perc',
+            'rules' => 'required'
+        ),
+        array(
+            'field' => 'country',
+            'label' => 'Country',
+            'rules' => 'required|max_length[2]'
+        )
+    );
+
+    // read only database
+    private $read_replica;
+
+    public function __construct()
+    {
+        parent::__construct();
+        $this->read_replica = $this->load->database('savvy_replica', TRUE);
+    }
+
+    /**
+     * get Emission Avrg Commute query string
+     * @return string
+     */
+    public function getEmissionAvrgQuery()
+    {
+        $this->read_replica->select('
+			e.id, 
+			em.transport_mode,
+			e.country, 
+			e.state, 
+			e.city, 
+			e.gramskm_perc, 
+			(c.avrg_commute*e.gramskm_perc*0.01) as A,
+			(c.avrg_commute*e.gramskm_perc*0.01*em.grams_km/em.passengers) as B,
+		');
+        $this->read_replica->from(sprintf('%s e', $this->table));
+        $this->read_replica->join('country c', 'e.country = c.code');
+        $this->read_replica->join('emission_model em', 'em.mkey = e.mkey');
+        // $this->read_replica->limit(self::PERPAGE, $paged);
+        $query = $this->read_replica->get_compiled_select();
+        return $query;
+    }
+
+    public function getTotalCount()
+    {
+        // retreive emission avrg query string
+        $query = $this->getEmissionAvrgQuery();
+        $results = $this->read_replica->query($query);
+        if (!$results) {
+            return;
+        }
+        return $results->num_rows();
+    }
+
+    /**
+     * Get emission avrg results and pagination links
+     * @param int $page current page
+     * @return array
+     */
+    public function index($page = 1)
+    {
+        try {
+            // pagination
+            $results_count = $this->getTotalCount();
+            $pagingUrl = base_url() . 'emission';
+            $links = initPagination(self::PERPAGE, $results_count, $page, $pagingUrl);
+
+            // get results per page
+            $query = $this->getEmissionAvrgQuery();
+
+            $results = sprintf('%s LIMIT %d OFFSET %d', $query, self::PERPAGE, self::PERPAGE * ($page - 1));
+            $results = $this->read_replica->query($results);
+
+            return array(
+                'results' => $results,
+                'charts' => $this->getChart($results->result_array()),
+                'pagination' => $links
+            );
+        } catch (Exception $e) {
+            return;
+        }
+    }
+
+    public function getChart($emission_results)
+    {
+        $charts = [];
+        foreach ($emission_results as $item) {
+            $charts[$item['country']]['label'][] = $item['transport_mode'];
+            $charts[$item['country']]['data'][] = $item['gramskm_perc'];
+        }
+        return $charts;
+    }
+
+    /**
+     * Get emission avrg details
+     * @param int $id emission id
+     * @return array   emission details
+     */
+    public function edit($id)
+    {
+        $result = $this->read_replica->get_where($this->table, array('id' => $id));
+        // get only first matching
+        $result = $result->row_array();
+        return $result;
+    }
+
+    /**
+     * Store emission avrg
+     * @param arrat $data form request
+     * @return bool
+     */
+    public function store($data)
+    {
+        try {
+            $this->db->insert($this->table, $data);
+            return $this->db->insert_id();
+        } catch (Exception $e) {
+            return;
+        }
+    }
+
+    /**
+     * Update emission avrg by id
+     * @param int $id emission id
+     * @param array $data form request
+     * @return bool
+     */
+    public function update($id, $data)
+    {
+        try {
+            $this->db->where('id', $id);
+            $this->db->update($this->table, $data);
+            return $this->db->affected_rows();
+        } catch (Exception $e) {
+            return false;
+        }
+
+    }
+
+    /**
+     * Delete emission avrg record
+     * @param int $id emission id
+     * @return int affected rows index
+     */
+    public function delete($id)
+    {
+        $this->db->where('id', $id);
+        $this->db->delete($this->table);
+        return $this->db->affected_rows();
+    }
+}