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* Added more functions to services_model.php

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* Added Unit Testing methods for the services model.
This commit is contained in:
alextselegidis@gmail.com 2013-07-16 14:21:33 +00:00
parent b53add71b6
commit f0b8ab45b5
4 changed files with 797 additions and 43 deletions
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24
src/application/controllers/backend_api.php
View file

@ -485,6 +485,30 @@ class Backend_api extends CI_Controller {
));
}
}
public function ajax_save_service() {
}
public function ajax_delete_service() {
}
public function ajax_filter_services() {
}
public function ajax_save_service_category() {
}
public function ajax_delete_service_category() {
}
public function ajax_filter_service_categories() {
}
}
/* End of file backend_api.php */

537
src/application/libraries/Unit_tests/drivers/Unit_tests_services_model.php
View file

@ -1,15 +1,15 @@
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class Unit_tests_services_model extends CI_Driver {
private $CI;
private $ci;
/**
* Class Constructor
*/
public function __construct() {
$this->CI =& get_instance();
$this->CI->load->library('Unit_test');
$this->CI->load->model('services_model');
$this->ci =& get_instance();
$this->ci->load->library('Unit_test');
$this->ci->load->model('services_model');
}
/**
@ -31,14 +31,297 @@ class Unit_tests_services_model extends CI_Driver {
// UNIT TESTS
/////////////////////////////////////////////////////////////////////////
// TEST ADD METHOD -----------------------------------------------------
private function test_add_insert() {
$service = array(
'name' => 'Test Service',
'duration' => 30,
'price' => '20.00',
'currency' => 'Euro',
'description' => 'Some description here ...',
'id_service_categories' => NULL
);
$service['id'] = $this->ci->services_model->add($service);
$this->ci->unit->run($service['id'], 'is_int', 'Test if add() - insert operation has '
. 'returned a valid record id.');
$db_record = $this->ci->db->get_where('ea_services', array('id' => $service['id']))->row_array();
$this->ci->unit->run($service, $db_record, 'Test if add() - insert operation, has '
. 'successfully inserted a new record.');
$this->ci->db->delete('ea_services', array('id' => $service['id']));
}
private function test_add_update() {
$service = array(
'name' => 'Test Service',
'duration' => 30,
'price' => '20.00',
'currency' => 'Euro',
'description' => 'Some description here ...',
'id_service_categories' => NULL
);
$this->ci->db->insert('ea_services', $service);
$service['id'] = $this->ci->db->insert_id();
// Update record data
$service['name'] = 'Updated Name';
$service['duration'] = 60;
$service['price'] = '60.45';
$service['description'] = 'Updated description ...';
$update_result = $this->ci->services_model->add($service);
$this->ci->unit->run($update_result, 'is_int', 'Test if add() - update operation, has '
. 'returned the record id.');
$db_record = $this->ci->db->get_where('ea_services', array('id' => $service['id']))->row_array();
$this->ci->unit->run($service, $db_record, 'Test if add() - update operation, has '
. 'successfully updated a record.');
$this->ci->db->delete('ea_services', array('id' => $service['id']));
}
private function test_add_invalid_data() {
$service = array(
'name' => '', // invalid
'duration' => 'invalid',
'price' => 'invalid',
'currency' => 'Euro',
'description' => 'Some description here ...',
'id_service_categories' => NULL
);
$has_thrown_exc = FALSE;
try {
$this->ci->services_model->add($service);
} catch(Exception $exc) {
$has_thrown_exc = TRUE;
}
$this->ci->unit->run($has_thrown_exc, TRUE, 'Check if add() with invalid data has '
. 'thrown exception.');
}
// TEST EXISTS METHOD --------------------------------------------------
private function test_exists_record_exists() {
// insert record
$service = array(
'name' => 'Test Service',
'duration' => 30,
'price' => '20.00',
'currency' => 'Euro',
'description' => 'Some description here ...',
'id_service_categories' => NULL
);
$this->ci->db->insert('ea_services', $service);
$service['id'] = $this->ci->db->insert_id();
// check exists
$exists = $this->ci->services_model->exists($service);
$this->ci->unit->run($exists, TRUE, 'Check if exists() returned true on existing record.');
// delete record
$this->ci->db->delete('ea_services', array('id' => $service['id']));
}
private function test_exists_record_does_not_exist() {
$service = array(
'name' => 'Random Name',
'duration' => 'Random Duration',
'price' => 'Random Price'
);
$exists = $this->ci->services_model->exists($service);
$this->ci->unit->run($exists, FALSE, 'Check if exists() returned false on non-existing record.');
}
private function test_exists_invalid_arguments() {
$invalid_arg = '';
$has_thrown_exc = FALSE;
try {
$exists = $this->ci->services_model->exists($invalid_arg);
} catch(Exception $exc) {
$has_thrown_exc = TRUE;
}
$this->ci->unit->run($has_thrown_exc, TRUE, 'Check if exists() with invalid argument has '
. 'thrown an exception.');
}
// TEST VALIDATE METHOD -------------------------------------------------
private function test_validate() {
$service = array(
'name' => 'Test Service',
'duration' => 30,
'price' => '20.00',
'currency' => 'Euro',
'description' => 'Some description here ...',
'id_service_categories' => NULL
);
$is_valid = $this->ci->services_model->validate($service);
$this->ci->unit->run($is_valid, TRUE, 'Test validate() method with valid data.');
}
private function test_validate_invalid_record_id() {
$service = array(
'id' => 'THIS IS INVALID',
'name' => 'Test Service',
'duration' => 30,
'price' => '20.00',
'currency' => 'Euro',
'description' => 'Some description here ...',
'id_service_categories' => NULL
);
$is_valid = $this->ci->services_model->validate($service);
$this->ci->unit->run($is_valid, FALSE, 'Test validate() method with invalid record id.');
}
private function test_validate_invalid_service_category_id() {
$service = array(
'name' => 'Test Service',
'duration' => 30,
'price' => '20.00',
'currency' => 'Euro',
'description' => 'Some description here ...',
'id_service_categories' => 'THIS IS INVALID'
);
$is_valid = $this->ci->services_model->validate($service);
$this->ci->unit->run($is_valid, FALSE, 'Test validate() method with invalid service '
. 'category id.');
}
private function test_validate_invalid_service_name() {
$service = array(
'name' => '', // invalid
'duration' => 30,
'price' => '20.00',
'currency' => 'Euro',
'description' => 'Some description here ...',
'id_service_categories' => 'THIS IS INVALID'
);
$is_valid = $this->ci->services_model->validate($service);
$this->ci->unit->run($is_valid, FALSE, 'Test validate() method with invalid service name.');
}
// TEST FIND RECORD ID --------------------------------------------------
private function test_find_record_id() {
// insert record
$service = array(
'name' => 'Test Service',
'duration' => 30,
'price' => '20.00',
'currency' => 'Euro',
'description' => 'Some description here ...',
'id_service_categories' => NULL
);
$this->ci->db->insert('ea_services', $service);
$service['id'] = intval($this->ci->db->insert_id());
// find record id
$service_id = $this->ci->services_model->find_record_id($service);
$this->ci->unit->run($service_id, $service['id'], 'Test find_record_id() with record '
. 'that exist.');
// delete record
$this->ci->db->delete('ea_services', array('id' => $service['id']));
}
private function test_find_record_id_invalid_service_data() {
$service = array(
// name, duration and price are not provided
'currency' => 'Euro',
'description' => 'Some description here ...',
'id_service_categories' => NULL
);
$has_thrown_exc = FALSE;
try {
$this->ci->services_model->find_record_id($service);
} catch(Exception $exc) {
$has_thrown_exc = TRUE;
}
$this->ci->unit->run($has_thrown_exc, TRUE, 'Test find_record_id() with invalid service data.');
}
private function test_find_record_id_record_does_not_exist() {
$service = array(
'name' => 'Does not exist',
'duration' => 'Does not exist',
'price' => 'Does not exist'
);
$has_thrown_exc = FALSE;
try {
$this->ci->services_model->find_record_id($service);
} catch(Exception $exc) {
$has_thrown_exc = TRUE;
}
$this->ci->unit->run($has_thrown_exc, TRUE, 'Test find_record_id() with record that '
. 'does not exist.');
}
// TEST DELETE METHOD ---------------------------------------------------
private function test_delete() {
// insert record
$service = array(
'name' => 'Test Service',
'duration' => 30,
'price' => '20.00',
'currency' => 'Euro',
'description' => 'Some description here ...',
'id_service_categories' => NULL
);
$this->ci->db->insert('ea_services', $service);
$service['id'] = intval($this->ci->db->insert_id());
// delete record
$delete_result = $this->ci->services_model->delete($service['id']);
$this->ci->unit->run($delete_result, TRUE, 'Test delete() method result.');
// check if record was actually deleted
$num_rows = $this->ci->db->get_where('ea_services', array('name' => $service['name']))
->num_rows();
$this->ci->unit->run($num_rows, 0, 'Test if delete() method has actually deleted the record.');
}
private function test_delete_invalid_argument() {
$invalid_arg = 'THIS IS INVALID';
$has_thrown_exc = FALSE;
try {
$this->ci->services_model->delete($invalid_arg);
} catch(Exception $exc) {
$has_thrown_exc = TRUE;
}
$this->ci->unit->run($has_thrown_exc, TRUE, 'Test if delete() method has thrown '
. 'exception on invalid argument.');
}
private function test_delete_record_does_not_exist() {
$random_id = 1029800987;
$has_thrown_exc = FALSE;
$delete_result = $this->ci->services_model->delete($random_id);
$this->ci->unit->run($delete_result, FALSE, 'Test if delete() method result on record '
. 'that does not exist.');
}
// TEST GET BATCH METHOD -----------------------------------------
private function test_get_batch() {
// Get all the service rows without using the model.
$db_data = $this->CI->db->get('ea_services')->result_array();
$db_data = $this->ci->db->get('ea_services')->result_array();
// Get all the service rows by using the model.
$model_data = $this->CI->services_model->get_batch();
$model_data = $this->ci->services_model->get_batch();
// Check that the two arrays are the same.
$this->CI->unit->run($db_data, $model_data, 'Test get_batch() method.');
$this->ci->unit->run($db_data, $model_data, 'Test get_batch() method.');
}
private function test_get_batch_with_where_clause() {
@ -51,21 +334,21 @@ class Unit_tests_services_model extends CI_Driver {
'description' => 'This is some service description.'
);
$this->CI->db->insert('ea_services', $service);
$service['id'] = intval($this->CI->db->insert_id());
$this->ci->db->insert('ea_services', $service);
$service['id'] = intval($this->ci->db->insert_id());
// Get data without using the model.
$no_model_data = $this->CI->db->get_where('ea_services', array('id' => $service['id']))
$no_model_data = $this->ci->db->get_where('ea_services', array('id' => $service['id']))
->result_array();
// Get data by using the model.
$model_data = $this->CI->services_model->get_batch(array('id' => $service['id']));
$model_data = $this->ci->services_model->get_batch(array('id' => $service['id']));
// Check that the data arrays are the same.
$this->CI->unit->run($no_model_data, $model_data, 'Test get_batch() with where clause.');
$this->ci->unit->run($no_model_data, $model_data, 'Test get_batch() with where clause.');
// Delete inserted record from database.
$this->CI->db->delete('ea_services', array('id' => $service['id']));
$this->ci->db->delete('ea_services', array('id' => $service['id']));
}
private function unabled_test_get_batch_with_invalid_where_clause() {
@ -83,25 +366,25 @@ class Unit_tests_services_model extends CI_Driver {
'description' => 'This is some service description.'
);
$this->CI->db->insert('ea_services', $service);
$service['id'] = intval($this->CI->db->insert_id());
$this->ci->db->insert('ea_services', $service);
$service['id'] = intval($this->ci->db->insert_id());
// Get the new service record from db.
$no_model_data = $this->CI->db->get_where('ea_services', array('id' => $service['id']))
$no_model_data = $this->ci->db->get_where('ea_services', array('id' => $service['id']))
->row_array();
$model_data = $this->CI->services_model->get_row($service['id']);
$model_data = $this->ci->services_model->get_row($service['id']);
// Check that the row is the correct one.
$this->CI->unit->run($no_model_data, $model_data, 'Test get_row() method');
$this->ci->unit->run($no_model_data, $model_data, 'Test get_row() method');
// Delete inserted service record.
$this->CI->db->delete('ea_services', array('id' => $service['id']));
$this->ci->db->delete('ea_services', array('id' => $service['id']));
}
private function test_get_row_that_does_not_exist() {
$random_record_id = 486868412;
$row_data = $this->CI->services_model->get_row($random_record_id);
$this->CI->unit->run($row_data, NULL, 'Test get_row() with record id that does '
$row_data = $this->ci->services_model->get_row($random_record_id);
$this->ci->unit->run($row_data, NULL, 'Test get_row() with record id that does '
. 'not exist in the database.');
}
@ -110,12 +393,12 @@ class Unit_tests_services_model extends CI_Driver {
$has_thrown_exception = FALSE;
try {
$this->CI->services_model->get_row($invalid_id);
$this->ci->services_model->get_row($invalid_id);
} catch (Exception $exc) {
$has_thrown_exception = TRUE;
}
$this->CI->unit->run($has_thrown_exception, TRUE, 'Test get_row() with wrong argument.');
$this->ci->unit->run($has_thrown_exception, TRUE, 'Test get_row() with wrong argument.');
}
// TEST GET VALUE METHOD -----------------------------------------
@ -128,17 +411,17 @@ class Unit_tests_services_model extends CI_Driver {
'currency' => 'euro',
'description' => 'This is some service description.'
);
$this->CI->db->insert('ea_services', $service);
$service['id'] = intval($this->CI->db->insert_id());
$this->ci->db->insert('ea_services', $service);
$service['id'] = intval($this->ci->db->insert_id());
// Get a specific value from the database.
$model_value = $this->CI->services_model->get_value('name', $service['id']);
$model_value = $this->ci->services_model->get_value('name', $service['id']);
// Check if the value was correctly fetched from the database.
$this->CI->unit->run($model_value, $service['name'], 'Test get_value() method.');
$this->ci->unit->run($model_value, $service['name'], 'Test get_value() method.');
// Delete inserted appointment record.
$this->CI->db->delete('ea_services', array('id' => $service['id']));
$this->ci->db->delete('ea_services', array('id' => $service['id']));
}
private function test_get_value_record_does_not_exist() {
@ -147,12 +430,12 @@ class Unit_tests_services_model extends CI_Driver {
$has_thrown_exception = FALSE;
try {
$this->CI->services_model->get_value('name', $random_record_id);
$this->ci->services_model->get_value('name', $random_record_id);
} catch (Exception $exc) {
$has_thrown_exception = TRUE;
}
$this->CI->unit->run($has_thrown_exception, TRUE, 'Test get_value() with record id that '
$this->ci->unit->run($has_thrown_exception, TRUE, 'Test get_value() with record id that '
. 'does not exist.');
}
@ -165,24 +448,208 @@ class Unit_tests_services_model extends CI_Driver {
'currency' => 'euro',
'description' => 'This is some service description.'
);
$this->CI->db->insert('ea_services', $service);
$service['id'] = intval($this->CI->db->insert_id());
$this->ci->db->insert('ea_services', $service);
$service['id'] = intval($this->ci->db->insert_id());
// Try to get record value with wrong field name.
$wrong_field_name = 'THIS IS WRONG';
$has_thrown_exception = FALSE;
try {
$this->CI->services_model->get_value($wrong_field_name, $service['id']);
$this->ci->services_model->get_value($wrong_field_name, $service['id']);
} catch (Exception $exc) {
$has_thrown_exception = TRUE;
}
$this->CI->unit->run($has_thrown_exception, TRUE, 'Test get_value() with record id that '
$this->ci->unit->run($has_thrown_exception, TRUE, 'Test get_value() with record id that '
. 'does not exist.');
// Delete inserted service record.
$this->CI->db->delete('ea_services', array('id' => $service['id']));
$this->ci->db->delete('ea_services', array('id' => $service['id']));
}
// TEST ADD SERVICE CATEGORY METHOD ---------------------------------------
private function test_add_category_insert() {
$category = array(
'name' => 'Test Category',
'description' => 'Test Description ...'
);
$category['id'] = $this->ci->services_model->add_category($category);
$this->ci->unit->run($category['id'], 'is_int', 'Test if add_category() - insert '
. 'operation has returned a valid record id');
$db_record = $this->ci->db->get_where('ea_service_categories', array('id' => $category['id']))->row_array();
$this->ci->unit->run($category, $db_record, 'Test if add_category() - insert '
. 'operation has successfully inserted the record.');
$this->ci->db->delete('ea_service_categories', array('id' => $category['id']));
}
private function test_add_category_update() {
$category = array(
'name' => 'Test Category',
'description' => 'Test Description ...'
);
$this->ci->db->insert('ea_service_categories', $category);
$category['id'] = intval($this->ci->db->insert_id());
// update record
$category['name'] = 'new name';
$category['description'] = 'new description';
$update_result = $this->ci->services_model->add_category($category);
$this->ci->unit->run($update_result, 'is_int', 'Check if add_category() - update '
. 'operation has returned a valid record id.');
$db_record = $this->ci->db->get_where('ea_service_categories',
array('id' => $category['id']))->row_array();
$this->ci->unit->run($category, $db_record, 'Test if add_category() - update operation '
. 'has successfully updated a record.');
$this->ci->db->delete('ea_service_categories', array('id' => $category['id']));
}
private function test_add_category_invalid_data() {
$category = array(
'name' => '', // invalid
'descrption' => ''
);
$has_thrown_exc = FALSE;
try {
$this->ci->services_model->add_category($category);
} catch(Exception $exc) {
$has_thrown_exc = TRUE;
}
$this->ci->unit->run($has_thrown_exc, TRUE, 'Test if add_category() with invalid data '
. 'has thrown an exception.');
}
// TEST DELETE SERVICE CATEGORY METHOD -------------------------------------
private function test_delete_category() {
// insert record
$category = array(
'name' => 'Test Category',
'description' => 'Test Description ...'
);
$this->ci->db->insert('ea_service_categories', $category);
$category['id'] = intval($this->ci->db->insert_id());
// delete record
$delete_result = $this->ci->services_model->delete_category($category['id']);
$this->ci->unit->run($delete_result, TRUE, 'Test if delete_category() method has '
. 'returned a valid result.');
// check if record was actually deleted.
$num_rows = $this->ci->db->get_where('ea_service_categories',
array('id' => $category['id']))->num_rows();
$this->ci->unit->run($num_rows, 0, 'Check if delete_category() has actually deleted '
. 'the record.');
if ($num_rows > 0) {
$this->ci->db->delete('ea_service_categories', array('id' => $category['id']));
}
}
private function test_delete_category_invalid_argument() {
$invalid_arg = 'This is invalid';
$has_thrown_exc = TRUE;
try {
$this->ci->services_model->delete_category($invalid_arg);
} catch(Exception $exc) {
$has_thrown_exc = TRUE;
}
$this->ci->unit->run($has_thrown_exc, TRUE, 'Test if delete_category() with invalid '
. 'argument has thrown an exception.');
}
private function test_delete_category_record_does_not_exist() {
$random_id = 09182093;
$has_thrown_exc = TRUE;
try {
$this->ci->services_model->delete_category($random_id);
} catch(Exception $exc) {
$has_thrown_exc = TRUE;
}
$this->ci->unit->run($has_thrown_exc, TRUE, 'Test if delete_category() with random id '
. 'has thrown an exception.');
}
// TEST GET SERVICE CATEGORY METHOD ---------------------------------------
private function test_get_category() {
// insert record
$category = array(
'name' => 'Test Category',
'description' => 'Test Description ...'
);
$this->ci->db->insert('ea_service_categories', $category);
$category['id'] = intval($this->ci->db->insert_id());
// get record
$db_record = $this->ci->services_model->get_category($category['id']);
$this->ci->unit->run($db_record, $category, 'Test if get_category() has successfully '
. 'returned the record.');
$this->ci->db->delete('ea_service_categories', array('id' => $category['id']));
}
private function test_get_category_invalid_argument() {
$invalid_arg = 'THIS IS INVALID';
$has_thrown_exc = FALSE;
try {
$this->ci->services_model->get_category($invalid_arg);
} catch(Exception $exc) {
$has_thrown_exc = TRUE;
}
$this->ci->unit->run($has_thrown_exc, TRUE, 'Test if get_category() with invalid argument '
. 'has thrown an exception.');
}
private function test_get_category_record_does_not_exist() {
$random_id = 123412343;
$has_thrown_exc = TRUE;
try {
$this->ci->services_model->get_category($random_id);
} catch(Exception $exc) {
$has_thrown_exc = TRUE;
}
$this->ci->unit->run($has_thrown_exc, TRUE, 'Test if delete_category() with random id '
. 'has thrown an exception.');
}
// TEST GET ALL SERVICE CATEGORIES METHOD ----------------------------------
private function test_get_all_categories() {
$all_categories = $this->ci->services_model->get_all_categories();
$db_categories = $this->ci->db->get('ea_service_categories')->result_array();
$this->ci->unit->run($all_categories, $db_categories, 'Test if get_all_categories() method '
. 'has successfully returned all the services categories.');
}
// TEST VALIDATE SERVICE CATEGORY METHOD --------------------------------
private function test_validate_category() {
$category = array(
'name' => 'Test Name',
'description' => 'Test Description ...'
);
$is_valid = $this->ci->services_model->validate_category($category);
$this->ci->unit->run($is_valid, TRUE, 'Test if validate_category() has returned true '
. 'with valid data.');
}
private function test_validate_category_invalid_name() {
$category = array(
'name' => '', // invalid
'description' => 'Test Description ...'
);
$is_valid = $this->ci->services_model->validate_category($category);
$this->ci->unit->run($is_valid, FALSE, 'Test if validate_category() has returned false '
. 'with invalid data.');
}
}

272
src/application/models/services_model.php
View file

@ -7,6 +7,178 @@ class Services_Model extends CI_Model {
parent::__construct();
}
/**
* Add (insert or update) a service record on the database
*
* @param array $service Contains the service data. If an 'id' value is provided then
* the record will be updated.
* @return numeric Returns the record id.
*/
public function add($service) {
if (!$this->validate($service)) {
throw new Exception('Service data are invalid.');
}
if (!isset($service['id'])) {
$service['id'] = $this->insert($service);
} else {
$this->update($service);
}
return intval($service['id']);
}
/**
* Insert service record into database.
*
* @param array $service Contains the service record data.
* @return int Returns the new service record id.
*/
public function insert($service) {
if (!$this->db->insert('ea_services', $service)) {
throw new Exception('Could not insert service record.');
}
return intval($this->db->insert_id());
}
/**
* Update service record.
*
* @param array $service Contains the service data. The record id needs to be included in
* the array.
*/
public function update($service) {
$this->db->where('id', $service['id']);
if (!$this->db->update('ea_services', $service)) {
throw new Exception('Could not update service record');
}
}
/**
* Checks whether an service record already exists in the database.
*
* @param array $service Contains the service data. Name, duration and price values
* are mandatory in order to perform the checks.
*/
public function exists($service) {
if (!isset($service['name'])
|| !isset($service['duration'])
|| !isset($service['price'])) {
throw new Exception('Not all service fields are provided in order to check whether '
. 'a service record already exists: ' . print_r($service, TRUE));
}
$num_rows = $this->db->get_where('ea_services', array(
'name' => $service['name'],
'duration' => $service['duration'],
'price' => $service['price']
))->num_rows();
return ($num_rows > 0) ? TRUE : FALSE;
}
/**
* Validate a service record data.
*
* @param array $service Contains the service data.
* @return bool Returns the validation result.
*/
public function validate($service) {
$this->load->helper('data_validation');
try {
// If record id is provided we need to check whether the record exists
// in the database.
if (isset($service['id'])) {
$num_rows = $this->db->get_where('ea_services', array('id' => $service['id']))
->num_rows();
if ($num_rows == 0) {
throw new Exception('Provided service id does not exist in the database.');
}
}
// Check if service category id is valid (only when present)
if ($service['id_service_categories'] != NULL) {
$num_rows = $this->db->get_where('ea_service_categories',
array('id' => $service['id_service_categories']))->num_rows();
if ($num_rows == 0) {
throw new Exception('Provided service category id does not exist in database.');
}
}
// Check for required fields
if ($service['name'] == '') {
throw new Exception('Not all required service fields where provided: '
. print_r($service, TRUE));
}
// Duration must be numeric
if ($service['duration'] !== NULL) {
if (!is_numeric($service['duration'])) {
throw new Exception('Service duration is not numeric.');
}
}
if ($service['price'] !== NULL) {
if (!is_numeric($service['price'])) {
throw new Exception('Service price is not numeric.');
}
}
return TRUE;
} catch(Exception $exc) {
return FALSE;
}
}
/**
* Get the record id of an existing record.
*
* NOTICE! The record must exist, otherwise an exeption will be raised.
*
* @param array $service Contains the service record data. Name, duration and price values
* are mandatory for this method to complete.
*/
public function find_record_id($service) {
if (!isset($service['name'])
|| !isset($service['duration'])
|| !isset($service['price'])) {
throw new Exception('Not all required fields where provided in order to find the '
. 'service record id.');
}
$result = $this->db->get_where('ea_services', array(
'name' => $service['name'],
'duration' => $service['duration'],
'price' => $service['price']
));
if ($result->num_rows() == 0) {
throw new Exception('Cound not find service record id');
}
return $result->row()->id;
}
/**
* Delete a service record from database.
*
* @param numeric $service_id Record id to be deleted.
* @return bool Returns the delete operation result.
*/
public function delete($service_id) {
if (!is_numeric($service_id)) {
throw new Exception('Invalid argument type $service_id (value:"' . $service_id . '"');
}
$num_rows = $this->db->get_where('ea_services', array('id' => $service_id))->num_rows();
if ($num_rows == 0) {
return FALSE; // Record does not exist
}
return $this->db->delete('ea_services', array('id' => $service_id));
}
/**
* Get a specific row from the services db table.
*
@ -74,7 +246,7 @@ class Services_Model extends CI_Model {
* @return array Returns an object array with all the
* database services.
*/
function get_available_services() {
public function get_available_services() {
$this->db->distinct();
return $this->db
->select('ea_services.*')
@ -83,6 +255,104 @@ class Services_Model extends CI_Model {
'ea_services_providers.id_services = ea_services.id', 'inner')
->get()->result_array();
}
/**
* Add (insert or update) a service category record into database.
*
* @param array $category Containst the service category data.
* @return int Returns the record id.s
*/
public function add_category($category) {
if (!$this->validate_category($category)) {
throw new Exception('Service category data are invalid.');
}
if (!isset($category['id'])) {
$this->db->insert('ea_service_categories', $category);
$category['id'] = $this->db->insert_id();
} else {
$this->db->where('id', $category['id']);
$this->db->update('ea_service_categories', $category);
}
return intval($category['id']);
}
/**
* Delete a service category record from the database.
*
* @param numeric $category_id Record id to be deleted.
* @return bool Returns the delete operation result.
*/
public function delete_category($category_id) {
if (!is_numeric($category_id)) {
throw new Exception('Invalid argument given for $category_id: ' . $category_id);
}
$num_rows = $this->db->get_where('ea_service_categories', array('id' => $category_id))
->num_rows();
if ($num_rows == 0) {
throw new Exception('Service category record not found in database.');
}
$this->db->where('id', $category_id);
return $this->db->delete('ea_service_categories');
}
/**
* Get a service category record data.
*
* @param numeric $category_id Record id to be retrieved.
* @return array Returns the record data from the database.
*/
public function get_category($category_id) {
if (!is_numeric($category_id)) {
throw new Exception('Invalid argument type given $category_id: ' . $category_id);
}
$result = $this->db->get_where('ea_service_categories', array('id' => $category_id));
if ($result->num_rows() == 0) {
throw new Exception('Service category record does not exist.');
}
return $result->row_array();
}
/**
* Get all service category records from database.
*
* @return array Returns an array that contains all the service category records.
*/
public function get_all_categories() {
return $this->db->get('ea_service_categories')->result_array();
}
/**
* Validate a service category record data. This method must be used before adding
* a service category record into database in order to secure the record integrity.
*
* @param array $category Contains the service category data.
* @return bool Returns the validation result.
*/
public function validate_category($category) {
try {
// Required Fields
if (!isset($category['name'])) {
throw new Exception('Not all required fields where provided ');
}
if ($category['name'] == '' || $category['name'] == NULL) {
throw new Exception('Required fields cannot be empty or null ($category: '
. print_r($category, TRUE) . ')');
}
return TRUE;
} catch(Exception $exc) {
return FALSE;
}
}
}
/* End of file services_model.php */

7
src/application/views/backend/services.php
View file

@ -1,7 +0,0 @@
<?php
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
?>