Fame rating calcul (#119)

api/src/Controllers/LikeController.php

@@ -5,6 +5,7 @@
 use Flight;
 use Matcha\Api\Enums\NotificationType;
 use Matcha\Api\Model\User;
+use Matcha\Api\Services\FameCalculator;
 
 class LikeController
 {
@@ -20,6 +21,11 @@ public function store(string $username)
         }
 
         $me->like($target);
+        try {
+            (new FameCalculator($me, $target))->onLike();
+        } catch (\Throwable $e) {
+            // calcul error
+        }
 
         if ($target->hasMatch($me->username)) {
             $notif = [
@@ -62,6 +68,11 @@ public function destroy(string $username)
         }
 
         $me->unlike($user);
+        try {
+            (new FameCalculator($me, $user))->onUnLike();
+        } catch (\Throwable $e) {
+            // calcul error
+        }
 
         Flight::json([], 203);
     }

api/src/Controllers/PassController.php

@@ -4,12 +4,16 @@
 
 use Flight;
 use Matcha\Api\Model\User;
+use Matcha\Api\Model\Pass;
+use Matcha\Api\Services\FameCalculator;
+use Matcha\Api\Exceptions\UniqueConstraintException;
 
 class PassController
 {
     public function store(string $username)
     {
         $target = User::find(['username' => $username]);
+        $me = Flight::user();
 
         if (is_null($target)) {
             Flight::json([
@@ -19,8 +23,16 @@ public function store(string $username)
             return;
         }
 
-        Flight::user()->pass($target);
+        try {
+            $me->pass($target);
+            (new FameCalculator($me, $target))->onPass();
+        } catch (UniqueConstraintException $e) {
+            $pass = Pass::find(['user_id' => $me->id, 'target_id' => $target->id]);
 
+            $pass->created_at = date('Y-m-d H:i:s');
+
+            $pass->update(['user_id' => $me->id, 'target_id' => $target->id]);
+        }
         Flight::json(['success' => true,], 204);
     }
 }

api/src/Controllers/ViewController.php

@@ -5,6 +5,7 @@
 use Flight;
 use Matcha\Api\Enums\NotificationType;
 use Matcha\Api\Model\User;
+use Matcha\Api\Services\FameCalculator;
 
 class ViewController
 {
@@ -30,6 +31,11 @@ public function store(string $username)
         }
 
         $me->view($user);
+        try {
+            (new FameCalculator($me, $user))->onView();
+        } catch (\Throwable $e) {
+            // calcul error
+        }
 
         Flight::notifier()->notify($user, [
             'type' => NotificationType::VIEW,

api/src/Model/Model.php

@@ -43,9 +43,18 @@ public function save(): Model
         return $this->id > 0 ? $this->update() : $this->create();
     }
 
-    private function update(): Model
+    public function update(array $where = []): Model
     {
         $data = $this->getData();
+
+        if (empty($where)) {
+            $where = ['id' => $this->id];
+        }
+
+        $whereList = array_map(function ($k, $v) {
+            return $k . " = " . $v;
+        }, array_keys($where), $where);
+
         $sqlQuery = "UPDATE " . $this->getTable()
         . " SET " . implode(
             ", ",
@@ -55,7 +64,7 @@ private function update(): Model
                 array_values($data)
             )
         )
-        . ' WHERE id = ' . $this->id;
+        . ' WHERE ' . implode(" AND ", $whereList);
 
         self::db()->exec($sqlQuery);
         $this->reload();

api/src/Services/FameCalculator.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace Matcha\Api\Services;
+
+use Exception;
+use Matcha\Api\Model\User;
+use Flight;
+
+class FameCalculator
+{
+    private const K_LIKE = 12;
+    private const K_PASS = 8;
+    private const K_VIEW = 2;
+
+    private const MIN_FAME = 0;
+    private const MAX_FAME = 2500;
+
+    public function __construct(
+        private User $actor,   // liker
+        private User $target   // liked
+    ) {
+    }
+
+    public function onLike(): void
+    {
+        $this->save(self::K_LIKE * (1 - $this->expected()));
+    }
+
+    public function onUnLike(): void
+    {
+        $this->save(-self::K_LIKE * (1 - $this->expected()));
+    }
+
+    public function onPass(): void
+    {
+        $this->save(-self::K_PASS * $this->expected());
+    }
+
+    public function onView(): void
+    {
+        $this->save(self::K_VIEW * (1 - $this->expected()));
+    }
+
+    private function expected(): float
+    {
+        $diff = $this->actor->fame_rating - $this->target->fame_rating;
+
+        return 1 / (1 + 10 ** ($diff / 400));
+    }
+
+    private function save(float $delta): void
+    {
+        $stmt = Flight::db()->prepare(
+            'UPDATE users
+                SET fame_rating = LEAST(:max, GREATEST(:min, fame_rating + :delta))
+              WHERE id = :id'
+        );
+        $stmt->execute([
+            'max'   => self::MAX_FAME,
+            'min'   => self::MIN_FAME,
+            'delta' => $delta,
+            'id'    => $this->target->id,
+        ]);
+    }
+}

frontend/src/api/users.ts

@@ -86,4 +86,10 @@ export const usersApi = {
       res.json(),
     )
   },
+
+  async view(username: string) {
+    return ApiClient.post(`/users/${username}/view`).then(res =>
+      res.json(),
+    )
+  },
 }

frontend/src/composable/useUsers.ts

@@ -61,6 +61,15 @@ export function useUsers() {
     }
   }
 
+  const view = async (who: string) => {
+    error.value = null
+    try {
+      await usersApi.view(who)
+    } catch (err: any) {
+      error.value = err.response?.data?.message || "You can't view this user."
+    }
+  }
+
   // --- Modération (Blocages et Signalement) ---
   const fetchBlockedList = async () => {
     isLoading.value = true
@@ -180,5 +189,6 @@ export function useUsers() {
     suggestion,
     suggestionReset,
     pass,
+    view,
   }
 }

frontend/src/views/UserProfileView.vue

@@ -24,6 +24,7 @@ import {
   DialogFooter,
 } from '@/components/ui/dialog'
 import { ApiClient } from '@/api/client'
+import { useUsers } from '@/composable/useUsers'
 
 interface Profile {
   id: number
@@ -32,7 +33,7 @@ interface Profile {
   city: string | null
   biography: string | null
   avatar: string | null
-  photos: { id: number; path: string }[]
+  photos: string []
   tags: string[]
   liked_by_me: boolean
   is_match: boolean
@@ -49,6 +50,7 @@ const error = ref('')
 const showMatch = ref(false)
 const editing = ref(false)
 const form = ref({ bio: '', city: '', tags: '' })
+const useUser = useUsers()
 
 async function load() {
   loading.value = true
@@ -110,7 +112,10 @@ async function saveProfile() {
 
 const initials = (name: string) => name.slice(0, 2).toUpperCase()
 
-onMounted(load)
+onMounted(() => {
+  load()
+  useUser.view(`${route.params.username}`);
+})
 watch(() => route.params.id, load)
 </script>
 
@@ -133,9 +138,9 @@ watch(() => route.params.id, load)
       <Card class="overflow-hidden">
         <Carousel v-if="profile.photos.length" class="w-full">
           <CarouselContent>
-            <CarouselItem v-for="p in profile.photos" :key="p.id">
+            <CarouselItem v-for="(p, index) in profile.photos" :key="index">
               <img
-                :src="p.path"
+                :src="p"
                 :alt="profile.username"
                 class="w-full aspect-3/4 object-cover"
               />