changes made to the read me to cater for windows users and also for an automated batch file

.gitignore

@@ -8,3 +8,4 @@ Homestead.json
 /.idea
 /_ide_helper.php
 /storage/
+composer.phar

.travis.yml

@@ -1,5 +1,8 @@
 language: php
 
+services:
+  - mysql
+
 php:
   - 5.6
   - 7.0

AutoStart.bat

@@ -0,0 +1,14 @@
+@echo off
+rem this is for windows users only
+rem change the drive path to what suits your server 
+re
+
+
+cd C:\path to folder\
+
+start php artisan serve --host xx.xx.xx.xx --port 8000
+
+rem auto display of the web browser 
+rem this will automatically open the application using your default set web browser
+
+start http://xx.xx.xx.xx:8000

app/Http/Controllers/APIController.php

@@ -155,6 +155,7 @@ public function getAllRemainingPrescriptions() {
         }
 
         $clinic        = Clinic::getCurrentClinic();
+        // TODO Fix for large number of records
         $prescriptions = Prescription::whereIn('patient_id', $clinic->patients()->lists('id'))
             ->where('issued', false)->orderBy('id')
             ->with('prescriptionDrugs.dosage', 'prescriptionDrugs.frequency', 'prescriptionPharmacyDrugs',

app/Http/Controllers/PatientController.php

@@ -13,17 +13,97 @@
 use Illuminate\Support\Facades\Validator;
 
 class PatientController extends Controller {
+
     /**
      * Get the patients list
      * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
      */
     public function getPatientList() {
         $clinic = Clinic::getCurrentClinic();
-        $patients = $clinic->patients;
-        return view('patients.patients', ['patients' => $patients]);
+        return view('patients.patients', ['patients' => []]);
     }
 
 
+    /**
+     * Get the patients list for data tables, server side processing
+     * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
+     */
+    public function listPatients(Request $request)
+    {
+        $clinic = Clinic::getCurrentClinic();
+
+        $draw = $request->query('draw');
+        $start = $request->query('start');
+        $length = $request->query('length');
+        $search = $request->query('search');
+        $order = $request->query('order');
+        $query = $search['value'];
+        $orderByColIdx = $order[0]["column"];
+        $orderByDirection = $order[0]["dir"];
+
+        $orderByCol = 'first_name';
+        if ($orderByColIdx == 2) {
+            $orderByCol = 'phone';
+        } else if ($orderByColIdx == 3) {
+            $orderByCol = 'address';
+        } else if ($orderByColIdx == 4) {
+            $orderByCol = 'dob';
+            $orderByDirection = $orderByDirection == 'asc' ? 'desc' : 'asc';
+        }
+
+        Log::debug("Draw -> $draw, Start-> $start, Length-> $length, OrderByColumn-> $orderByColIdx, Query-> $query");
+
+        $totalRecords = $clinic->patients()->count();
+        $filteredRecords = $totalRecords;
+
+        $patients = $clinic->patients();
+
+        if (!empty($query)) {
+            $patients = $patients->where(DB::raw('concat(first_name, " ", last_name)'), 'like', "%$query%");
+            $filteredRecords = $patients->count();
+        }
+
+        $patients = $patients->orderBy($orderByCol, $orderByDirection)
+            ->skip($start)->take($length)->get();
+
+        $data = [];
+        foreach ($patients as $patient) {
+            $buttons = '';
+            if (\Gate::allows('delete', $patient)) {
+                $buttons = "
+                    <button class=\"btn btn-sm btn-danger\" data-toggle=\"modal\"
+                        data-target=\"#confirmDeletePatientModal\"
+                        onclick=\"showConfirmDelete($patient->id,'$patient->first_name $patient->last_name')\">
+                        <i class=\"fa fa-recycle fa-lg\" data-toggle=\"tooltip\"
+                        data-placement=\"bottom\" title=\"\"
+                        data-original-title=\"Delete this patient?
+                        You won't be able to delete this patient if the patient has any records
+                        associated to him/her in the system.\"></i>
+                    </button>";
+            }
+
+            $row = [
+                $patient->id,
+                $patient->first_name . ' ' . $patient->last_name,
+                $patient->phone,
+                $patient->address,
+                \Utils::getAge($patient->dob),
+                $buttons
+            ];
+
+            $data[] = $row;
+        }
+
+        $result = [
+            'draw' => $draw,
+            'recordsTotal' => $totalRecords,
+            'recordsFiltered' => $filteredRecords,
+            'data' => $data
+        ];
+
+        return response()->json($result);
+    }
+
     /**
      * Adds a patient to the system
      *

app/Http/Controllers/UtilityController.php

@@ -49,17 +49,24 @@ public function getDashboard() {
         }
 
         $clinic        = Clinic::getCurrentClinic();
-        $prescriptions = Prescription::whereIn('patient_id', $clinic->patients()->lists('id'));
+        $idList = $clinic->patients()->pluck('id')->toArray();
+
+        $prescriptions = collect();
+        $batch_size = 10000;
+        foreach (array_chunk($idList, $batch_size) as $idListBatch) {
+            $prescriptions = Prescription::whereIn('patient_id', $idListBatch)->get()->toBase()->merge($prescriptions);
+        }
 
         $prescriptionCount = $prescriptions->where('issued', 1)->count();
         $payments          = Payment::whereIn('prescription_id',
-            $prescriptions->where('issued', 1)->lists('id'))->sum('amount');
-
+           $prescriptions->where('issued', 1)->pluck('id'))->sum('amount');
         $stats = $this->calcClinicStats($clinic);
 
         return view('dashboard', [
-            'clinic'   => $clinic, 'prescriptionCount' => $prescriptionCount,
-            'payments' => $payments, 'stats' => $stats
+            'clinic'   => $clinic, 
+            'prescriptionCount' => $prescriptionCount,
+            'payments' => $payments, 
+            'stats' => $stats
         ]);
     }
 
@@ -79,7 +86,8 @@ private function calcClinicStats($clinic) {
         ];
 
         $date       = date('Y-m-d H:i:s', strtotime("-6 months"));
-        $patientIds = $clinic->patients()->lists('id')->toArray();
+//        $patientIds = $clinic->patients()->lists('id')->toArray();
+        $patientIds = [];
         if (count($patientIds) > 0) {
             $patientIds = implode(",", $patientIds);
             $query      = "SELECT MONTH(created_at) AS m,COUNT(*) AS c FROM `prescriptions` WHERE `patient_id`

app/Http/routes.php

@@ -101,10 +101,10 @@
          */
         Route::group(['prefix' => 'patients'], function () {
             Route::get('/', ['as' => 'patients', 'uses' => 'PatientController@getPatientList']);
-
             /*
              * PATIENTS
              */
+            Route::get('/list', ['as' => 'listPatients', 'uses' => 'PatientController@listPatients']);
             Route::post('addPatient', ['as' => 'addPatient', 'uses' => 'PatientController@addPatient']);
             Route::get('patient/{id}', ['as' => 'patient', 'uses' => 'PatientController@getPatient']);
             Route::any('deletePatient/{id}', ['as' => 'deletePatient', 'uses' => 'PatientController@deletePatient']);

database/seeds/PatientTableSeeder.php

@@ -21,5 +21,17 @@ public function run()
                 });
             }
         }
+
+        // Uncomment for large number of patient records.
+//        $clinic = \App\Clinic::find(1);
+//
+//        foreach ($clinic->users as $user) {
+//            //add patients to the clinic
+//            factory(App\Patient::class, 100000)->make()->each(function (\App\Patient $patient) use ($clinic, $user) {
+//                $patient->creator()->associate($user);
+//                $patient->clinic()->associate($clinic);
+//                $patient->save();
+//            });
+//        }
     }
 }

docs/chr247.postman_collection.json

@@ -0,0 +1,177 @@
+{
+	"info": {
+		"_postman_id": "183abd2f-a810-4516-8714-9dc61610368e",
+		"name": "chr247",
+		"description": "chr247 APIs and pages",
+		"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
+	},
+	"item": [
+		{
+			"name": "Login",
+			"event": [
+				{
+					"listen": "test",
+					"script": {
+						"id": "7c782fb2-28cd-430d-85f6-080c38d79121",
+						"exec": [
+							"pm.test(\"Status code is 200\", function () {",
+							"    pm.response.to.have.status(200);",
+							"    pm.response.to.be.withBody;",
+							"});",
+							"",
+							"pm.test(\"Check cookies\", function() {",
+							"    pm.expect(pm.cookies.has(\"XSRF-TOKEN\")).to.be.true;",
+							"    pm.expect(pm.cookies.has(\"chr247_session\")).to.be.true;",
+							"});",
+							"",
+							"pm.environment.set(\"xsrf_token\", pm.cookies.get(\"XSRF-TOKEN\"));",
+							"pm.environment.set(\"session\", pm.cookies.get(\"chr247_session\"));",
+							""
+						],
+						"type": "text/javascript"
+					}
+				}
+			],
+			"request": {
+				"method": "GET",
+				"header": [],
+				"url": {
+					"raw": "{{chr247_url}}/login",
+					"host": [
+						"{{chr247_url}}"
+					],
+					"path": [
+						"login"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "Login",
+			"event": [
+				{
+					"listen": "test",
+					"script": {
+						"id": "fee7c243-2c36-4ea3-adba-b832fd446f70",
+						"exec": [
+							"pm.test(\"Status code is 200\", function () {",
+							"    pm.response.to.have.status(200);",
+							"    pm.response.to.be.withBody;",
+							"});",
+							"",
+							""
+						],
+						"type": "text/javascript"
+					}
+				}
+			],
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "formdata",
+					"formdata": [
+						{
+							"key": "password",
+							"value": "{{password}}",
+							"type": "text"
+						},
+						{
+							"key": "username",
+							"value": "{{username}}",
+							"type": "text"
+						}
+					]
+				},
+				"url": {
+					"raw": "{{chr247_url}}/login",
+					"host": [
+						"{{chr247_url}}"
+					],
+					"path": [
+						"login"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "List Patients",
+			"request": {
+				"method": "GET",
+				"header": [],
+				"url": {
+					"raw": "{{chr247_url}}/patients/list?order[0][column]=1&order[0][dir]=asc&start=0&length=10&search[value]=a&search[regex]=false&draw=1",
+					"host": [
+						"{{chr247_url}}"
+					],
+					"path": [
+						"patients",
+						"list"
+					],
+					"query": [
+						{
+							"key": "order[0][column]",
+							"value": "1"
+						},
+						{
+							"key": "order[0][dir]",
+							"value": "asc"
+						},
+						{
+							"key": "start",
+							"value": "0"
+						},
+						{
+							"key": "length",
+							"value": "10"
+						},
+						{
+							"key": "search[value]",
+							"value": "a"
+						},
+						{
+							"key": "search[regex]",
+							"value": "false"
+						},
+						{
+							"key": "draw",
+							"value": "1"
+						}
+					]
+				},
+				"description": "API used by data tables to paginate and load patients"
+			},
+			"response": []
+		}
+	],
+	"event": [
+		{
+			"listen": "prerequest",
+			"script": {
+				"id": "96ee9cc0-96a5-4fcd-b677-b47f58005cf0",
+				"type": "text/javascript",
+				"exec": [
+					"if(pm.environment.has(\"xsrf_token\")) {",
+					"    pm.request.headers.add({",
+					"        key: \"X-XSRF-TOKEN\",",
+					"        value: \"{{xsrf_token}}\"",
+					"    });",
+					"}"
+				]
+			}
+		},
+		{
+			"listen": "test",
+			"script": {
+				"id": "3a1eba76-6c9a-4497-8931-ab05d5115ff3",
+				"type": "text/javascript",
+				"exec": [
+					""
+				]
+			}
+		}
+	],
+	"protocolProfileBehavior": {}
+}