✨ Add ranges

app/Domain/Ranges/CurrentMonth.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Domain\Ranges;
+
+class CurrentMonth extends Range
+{
+    public function start()
+    {
+        return now()->startOfMonth()->format("Y-m-d");
+    }
+
+    public function end()
+    {
+        return now()->endOfMonth()->format("Y-m-d");
+    }
+}

app/Domain/Ranges/CurrentYear.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Domain\Ranges;
+
+class CurrentYear extends Range
+{
+    public function start()
+    {
+        return now()->startOfYear()->format("Y-m-d");
+    }
+
+    public function end()
+    {
+        return now()->endOfYear()->format("Y-m-d");
+    }
+}

app/Domain/Ranges/LastMonth.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Domain\Ranges;
+
+class LastMonth extends Range
+{
+    public function start()
+    {
+        return now()->subMonth()->startOfMonth()->format("Y-m-d");
+    }
+
+    public function end()
+    {
+        return now()->subMonth()->endOfMonth()->format("Y-m-d");
+    }
+}

app/Domain/Ranges/LastYear.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Domain\Ranges;
+
+class LastYear extends Range
+{
+    public function start()
+    {
+        return now()->subYear()->startOfYear()->format("Y-m-d");
+    }
+
+    public function end()
+    {
+        return now()->subYear()->endOfYear()->format("Y-m-d");
+    }
+}

app/Domain/Ranges/Range.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace App\Domain\Ranges;
+
+use JsonSerializable;
+use Illuminate\Support\Str;
+
+abstract class Range implements JsonSerializable
+{
+    protected $key;
+    protected $name;
+    protected $start;
+    protected $end;
+
+    public function humanizedName()
+    {
+        return Str::title(Str::snake(class_basename(get_class($this)), ' '));
+    }
+
+    public function key()
+    {
+        return Str::slug($this->name(), '-', null);
+    }
+
+    public function name()
+    {
+        return $this->name ?: $this->humanizedName();
+    }
+
+    abstract public function start();
+
+    abstract public function end();
+
+    /**
+     * Prepare the element for JSON serialization.
+     *
+     * @return array
+     */
+    public function jsonSerialize()
+    {
+        return [
+            'key' => $this->key(),
+            'name' => $this->name(),
+            'start' => $this->start(),
+            'end' => $this->end(),
+        ];
+    }
+}

app/Http/Controllers/DashboardController.php

@@ -9,6 +9,7 @@ class DashboardController extends Controller
     public function index()
     {
         $metrics = config('finance.reports');
+
         $graphqlQueries = array_map(function($metric) {
             return $metric['graphql_query'];
         }, $metrics);

config/finance.php

@@ -20,15 +20,25 @@
             'component' => 'value-metric',
             'width' => '1/2',
         ],
+        [
+            'name' => 'Expenses per Category',
+            'graphql_query' => 'expensesPerCategory',
+            'component' => 'partition-metric',
+            'width' => '1/2',
+            'ranges' => [
+                \App\Domain\Ranges\CurrentMonth::class,
+                \App\Domain\Ranges\LastMonth::class,
+                \App\Domain\Ranges\CurrentYear::class,
+                \App\Domain\Ranges\LastYear::class,
+            ],
+        ],
+
+        // Brand per category partition for this month
+        // Brand per category partition for last month
+
         // Total Income graph for the last 12 months
         // Total Expenses graph for the last 12 months
         // Graph for expenses per category for the last 12 months
         // Brand graph for the last 12 months
-        // Expenses per category this month
-        // Expenses per category last month
-        // Expenses per category this year
-        // Expenses per category last year
-        // Brand per category partition for this month
-        // Brand per category partition for last month
     ]
 ];

graphql/schema.graphql

@@ -51,7 +51,7 @@ type Query {
 
     totalExpenses: Float! @aggregate(model: Transaction column: amount function: SUM scopes:["expenses"])
     totalIncome: Float! @aggregate(model: Transaction column: amount function: SUM scopes: ["income"])
-    expensesPerCategory: [TransactionStatistics!]!
+    expensesPerCategory: Float! @aggregate(model: Transaction column: amount function: SUM scopes: ["income"])
 }
 
 type Mutation {

tests/Unit/CurrentMonthTest.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Tests\Unit;
+
+use Carbon\Carbon;
+use Tests\TestCase;
+use App\Domain\Ranges\CurrentMonth;
+
+class CurrentMonthTest extends TestCase
+{
+    /** @test */
+    public function it_has_corrent_json_serializeable()
+    {
+        // mock app date
+        Carbon::setTestNow(Carbon::create(2021, 1, 18));
+
+        $sut = new CurrentMonth;
+
+        $this->assertEquals([
+            'key' => 'current-month',
+            'name' => 'Current Month',
+            'start' => '2021-01-01',
+            'end' => '2021-01-31',
+        ], $sut->jsonSerialize());
+    }
+}

tests/Unit/CurrentYearTest.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Tests\Unit;
+
+use Carbon\Carbon;
+use Tests\TestCase;
+use App\Domain\Ranges\CurrentYear;
+
+class CurrentYearTest extends TestCase
+{
+    /** @test */
+    public function it_has_corrent_json_serializeable()
+    {
+        // mock app date
+        Carbon::setTestNow(Carbon::create(2021, 1, 18));
+
+        $sut = new CurrentYear;
+
+        $this->assertEquals([
+            'key' => 'current-year',
+            'name' => 'Current Year',
+            'start' => '2021-01-01',
+            'end' => '2021-12-31',
+        ], $sut->jsonSerialize());
+    }
+}

tests/Unit/LastMonthTest.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Tests\Unit;
+
+use Carbon\Carbon;
+use Tests\TestCase;
+use App\Domain\Ranges\LastMonth;
+
+class LastMonthTest extends TestCase
+{
+    /** @test */
+    public function it_has_corrent_json_serializeable()
+    {
+        // mock app date
+        Carbon::setTestNow(Carbon::create(2021, 1, 18));
+
+        $sut = new LastMonth;
+
+        $this->assertEquals([
+            'key' => 'last-month',
+            'name' => 'Last Month',
+            'start' => '2020-12-01',
+            'end' => '2020-12-31',
+        ], $sut->jsonSerialize());
+    }
+}

tests/Unit/LastYearTest.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Tests\Unit;
+
+use Carbon\Carbon;
+use Tests\TestCase;
+use App\Domain\Ranges\LastYear;
+
+class LastYearTest extends TestCase
+{
+    /** @test */
+    public function it_has_corrent_json_serializeable()
+    {
+        // mock app date
+        Carbon::setTestNow(Carbon::create(2021, 5, 18));
+
+        $sut = new LastYear;
+
+        $this->assertEquals([
+            'key' => 'last-year',
+            'name' => 'Last Year',
+            'start' => '2020-01-01',
+            'end' => '2020-12-31',
+        ], $sut->jsonSerialize());
+    }
+}

tests/Unit/RangeTest.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace Tests\Unit;
+
+use Tests\TestCase;
+use App\Domain\Ranges\Range;
+
+class RangeTest extends TestCase
+{
+    /** @test */
+    public function it_is_abstract_class()
+    {
+        $this->expectException(\Error::class);
+
+        new Range;
+    }
+
+    /** @test */
+    public function it_has_default_name()
+    {
+        $sut = new FakeRange;
+
+        $this->assertEquals('Fake Range', $sut->name());
+    }
+
+    /** @test */
+    public function it_has_default_key()
+    {
+        $sut = new FakeRange;
+
+        $this->assertEquals('fake-range', $sut->key());
+    }
+
+    /** @test */
+    public function it_is_json_serializeable()
+    {
+        $sut = new FakeRange;
+
+        $this->assertEquals([
+            'key' => 'fake-range',
+            'name' => 'Fake Range',
+            'start' => 'startTime',
+            'end' => 'endTime'
+        ], $sut->jsonSerialize());
+    }
+}
+
+
+class FakeRange extends Range
+{
+    public function start() {
+        return "startTime";
+    }
+
+    public function end() {
+        return "endTime";
+    }
+}