Re-structured the app code to be feature based rather than code type based

app/Auth/User.php

@@ -0,0 +1,242 @@
+<?php namespace BookStack\Auth;
+
+use BookStack\Uploads\Image;
+use BookStack\Model;
+use BookStack\Notifications\ResetPassword;
+use BookStack\Auth\Role;
+use BookStack\Auth\SocialAccount;
+use Illuminate\Auth\Authenticatable;
+use Illuminate\Auth\Passwords\CanResetPassword;
+use Illuminate\Contracts\Auth\Authenticatable as AuthenticatableContract;
+use Illuminate\Contracts\Auth\CanResetPassword as CanResetPasswordContract;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Notifications\Notifiable;
+
+class User extends Model implements AuthenticatableContract, CanResetPasswordContract
+{
+    use Authenticatable, CanResetPassword, Notifiable;
+
+    /**
+     * The database table used by the model.
+     * @var string
+     */
+    protected $table = 'users';
+
+    /**
+     * The attributes that are mass assignable.
+     * @var array
+     */
+    protected $fillable = ['name', 'email', 'image_id'];
+
+    /**
+     * The attributes excluded from the model's JSON form.
+     * @var array
+     */
+    protected $hidden = ['password', 'remember_token'];
+
+    /**
+     * This holds the user's permissions when loaded.
+     * @var array
+     */
+    protected $permissions;
+
+    /**
+     * Returns the default public user.
+     * @return User
+     */
+    public static function getDefault()
+    {
+        return static::where('system_name', '=', 'public')->first();
+    }
+
+    /**
+     * Check if the user is the default public user.
+     * @return bool
+     */
+    public function isDefault()
+    {
+        return $this->system_name === 'public';
+    }
+
+    /**
+     * The roles that belong to the user.
+     * @return BelongsToMany
+     */
+    public function roles()
+    {
+        if ($this->id === 0) {
+            return ;
+        }
+        return $this->belongsToMany(Role::class);
+    }
+
+    /**
+     * Check if the user has a role.
+     * @param $role
+     * @return mixed
+     */
+    public function hasRole($role)
+    {
+        return $this->roles->pluck('name')->contains($role);
+    }
+
+    /**
+     * Check if the user has a role.
+     * @param $role
+     * @return mixed
+     */
+    public function hasSystemRole($role)
+    {
+        return $this->roles->pluck('system_name')->contains($role);
+    }
+
+    /**
+     * Get all permissions belonging to a the current user.
+     * @param bool $cache
+     * @return \Illuminate\Database\Eloquent\Relations\HasManyThrough
+     */
+    public function permissions($cache = true)
+    {
+        if (isset($this->permissions) && $cache) {
+            return $this->permissions;
+        }
+        $this->load('roles.permissions');
+        $permissions = $this->roles->map(function ($role) {
+            return $role->permissions;
+        })->flatten()->unique();
+        $this->permissions = $permissions;
+        return $permissions;
+    }
+
+    /**
+     * Check if the user has a particular permission.
+     * @param $permissionName
+     * @return bool
+     */
+    public function can($permissionName)
+    {
+        if ($this->email === 'guest') {
+            return false;
+        }
+        return $this->permissions()->pluck('name')->contains($permissionName);
+    }
+
+    /**
+     * Attach a role to this user.
+     * @param Role $role
+     */
+    public function attachRole(Role $role)
+    {
+        $this->attachRoleId($role->id);
+    }
+
+    /**
+     * Attach a role id to this user.
+     * @param $id
+     */
+    public function attachRoleId($id)
+    {
+        $this->roles()->attach($id);
+    }
+
+    /**
+     * Get the social account associated with this user.
+     * @return \Illuminate\Database\Eloquent\Relations\HasMany
+     */
+    public function socialAccounts()
+    {
+        return $this->hasMany(SocialAccount::class);
+    }
+
+    /**
+     * Check if the user has a social account,
+     * If a driver is passed it checks for that single account type.
+     * @param bool|string $socialDriver
+     * @return bool
+     */
+    public function hasSocialAccount($socialDriver = false)
+    {
+        if ($socialDriver === false) {
+            return $this->socialAccounts()->count() > 0;
+        }
+
+        return $this->socialAccounts()->where('driver', '=', $socialDriver)->exists();
+    }
+
+    /**
+     * Returns the user's avatar,
+     * @param int $size
+     * @return string
+     */
+    public function getAvatar($size = 50)
+    {
+        $default = baseUrl('/user_avatar.png');
+        $imageId = $this->image_id;
+        if ($imageId === 0 || $imageId === '0' || $imageId === null) {
+            return $default;
+        }
+
+        try {
+            $avatar = $this->avatar ? baseUrl($this->avatar->getThumb($size, $size, false)) : $default;
+        } catch (\Exception $err) {
+            $avatar = $default;
+        }
+        return $avatar;
+    }
+
+    /**
+     * Get the avatar for the user.
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+     */
+    public function avatar()
+    {
+        return $this->belongsTo(Image::class, 'image_id');
+    }
+
+    /**
+     * Get the url for editing this user.
+     * @return string
+     */
+    public function getEditUrl()
+    {
+        return baseUrl('/settings/users/' . $this->id);
+    }
+
+    /**
+     * Get the url that links to this user's profile.
+     * @return mixed
+     */
+    public function getProfileUrl()
+    {
+        return baseUrl('/user/' . $this->id);
+    }
+
+    /**
+     * Get a shortened version of the user's name.
+     * @param int $chars
+     * @return string
+     */
+    public function getShortName($chars = 8)
+    {
+        if (strlen($this->name) <= $chars) {
+            return $this->name;
+        }
+
+        $splitName = explode(' ', $this->name);
+        if (strlen($splitName[0]) <= $chars) {
+            return $splitName[0];
+        }
+
+        return '';
+    }
+
+    /**
+     * Send the password reset notification.
+     * @param  string  $token
+     * @return void
+     */
+    public function sendPasswordResetNotification($token)
+    {
+        $this->notify(new ResetPassword($token));
+    }
+}