feat: 通过链接邀请加入项目

app/Models/ProjectInvite.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace App\Models;
+
+/**
+ * App\Models\ProjectInvite
+ *
+ * @property int $id
+ * @property int|null $project_id 项目ID
+ * @property int|null $num 累计邀请
+ * @property string|null $code 链接码
+ * @property \Illuminate\Support\Carbon|null $created_at
+ * @property \Illuminate\Support\Carbon|null $updated_at
+ * @property-read bool $already
+ * @property-read \App\Models\Project|null $project
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectInvite newModelQuery()
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectInvite newQuery()
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectInvite query()
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectInvite whereCode($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectInvite whereCreatedAt($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectInvite whereId($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectInvite whereNum($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectInvite whereProjectId($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectInvite whereUpdatedAt($value)
+ * @mixin \Eloquent
+ */
+class ProjectInvite extends AbstractModel
+{
+    protected $appends = [
+        'already',
+    ];
+
+    /**
+     * 是否已加入
+     * @return bool
+     */
+    public function getAlreadyAttribute()
+    {
+        if (!isset($this->appendattrs['already'])) {
+            $this->appendattrs['already'] = false;
+            if (User::userid()) {
+                $this->appendattrs['already']  = (bool)$this->project?->projectUser?->where('userid', User::userid())->count();
+            }
+        }
+        return $this->appendattrs['already'];
+    }
+
+    /**
+     * @return \Illuminate\Database\Eloquent\Relations\HasOne
+     */
+    public function project(): \Illuminate\Database\Eloquent\Relations\HasOne
+    {
+        return $this->hasOne(Project::class, 'id', 'project_id');
+    }
+}