refactor: replace custom CRM with Monica fork

app/Services/Account/Activity/ActivityStatisticService.php

@@ -0,0 +1,125 @@
+<?php
+
+namespace App\Services\Account\Activity;
+
+use Carbon\Carbon;
+use App\Models\Contact\Contact;
+use Illuminate\Support\Collection;
+use App\Models\Account\ActivityType;
+
+class ActivityStatisticService
+{
+    /**
+     * Return the activities with the contact in a given timeframe.
+     *
+     * @param  Contact  $contact
+     * @param  Carbon  $startDate
+     * @param  Carbon  $endDate
+     * @return Collection
+     */
+    public function activitiesWithContactInTimeRange(Contact $contact, Carbon $startDate, Carbon $endDate)
+    {
+        return $contact->activities()
+                            ->where('happened_at', '>=', $startDate)
+                            ->where('happened_at', '<=', $endDate)
+                            ->orderBy('happened_at', 'desc')
+                            ->get();
+    }
+
+    /**
+     * Get the list of number of activities per year in total done with
+     * the contact.
+     *
+     * @param  Contact  $contact
+     * @return \Illuminate\Database\Eloquent\Collection<array-key, \App\Models\Account\ActivityStatistic>
+     */
+    public function activitiesPerYearWithContact(Contact $contact)
+    {
+        return $contact->activityStatistics()->get();
+    }
+
+    /**
+     * Get the list of activities per month for a given year.
+     *
+     * @param  Contact  $contact
+     * @param  int  $year
+     * @return Collection
+     */
+    public function activitiesPerMonthForYear(Contact $contact, int $year)
+    {
+        $startDate = Carbon::create($year, 1, 1, 0, 0, 0);
+        $endDate = Carbon::create($year, 12, 31);
+
+        $activities = $this->activitiesWithContactInTimeRange($contact, $startDate, $endDate);
+
+        $activitiesPerMonth = collect([]);
+        for ($month = 1; $month < 13; $month++) {
+            $activitiesInMonth = collect([]);
+
+            foreach ($activities as $activity) {
+                if ($activity->happened_at->month === $month) {
+                    $activitiesInMonth->push($activity);
+                }
+            }
+
+            $activitiesPerMonth->push([
+                'month' => $month,
+                'occurences' => $activitiesInMonth->count(),
+                'activities' => $activitiesInMonth,
+            ]);
+        }
+
+        $maxActivitiesInAMonth = $activitiesPerMonth->max('occurences');
+
+        $activitiesPerMonth->transform(function ($activity) use ($maxActivitiesInAMonth) {
+            if ($activity['occurences'] != 0) {
+                $activity['percent'] = ($activity['occurences'] * 100 / $maxActivitiesInAMonth);
+            } else {
+                $activity['percent'] = 0;
+            }
+
+            return $activity;
+        });
+
+        return $activitiesPerMonth;
+    }
+
+    /**
+     * Get the list of unique activity types for activities done with
+     * a contact in a given timeframe, along with the number of occurences.
+     *
+     * @param  Contact  $contact
+     * @param  Carbon  $startDate
+     * @param  Carbon  $endDate
+     * @return Collection
+     */
+    public function uniqueActivityTypesInTimeRange(Contact $contact, Carbon $startDate, Carbon $endDate)
+    {
+        $activities = $this->activitiesWithContactInTimeRange($contact, $startDate, $endDate);
+
+        // group activities by activity type id
+        $grouped = $activities->groupBy(function ($item, $key) {
+            return $item['activity_type_id'];
+        });
+
+        // remove activity type id that are null
+        $grouped = $grouped->reject(function ($value, $key) {
+            return $key == '';
+        });
+
+        // calculate how many occurences of unique activity type id
+        $activities = $grouped->map(function ($item) {
+            return collect($item)->count();
+        });
+
+        $activityTypes = collect([]);
+        foreach ($activities as $key => $value) {
+            $activityTypes->push([
+                'object' => ActivityType::find($key),
+                'occurences' => $value,
+            ]);
+        }
+
+        return $activityTypes;
+    }
+}