Pony.fm/app/Models/Activity.php
2021-02-14 02:34:58 +00:00

306 lines
11 KiB
PHP

<?php
/**
* Pony.fm - A community for pony fan music.
* Copyright (C) 2016 Feld0
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace App\Models;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;
/**
* App\Models\Activity
*
* @property integer $id
* @property \Carbon\Carbon $created_at
* @property integer $user_id
* @property boolean $activity_type
* @property boolean $resource_type
* @property integer $resource_id
* @property-read \Illuminate\Database\Eloquent\Collection|\App\Models\Notification[] $notifications
* @property-read \App\Models\User $initiatingUser
* @property-read \App\Models\Activity $resource
* @property-read mixed $url
* @property-read mixed $thumbnail_url
* @property-read mixed $text
* @property string $deleted_at
* @property-read \Illuminate\Database\Eloquent\Collection|\App\Models\User[] $notificationRecipients
* @method static \Illuminate\Database\Query\Builder|\App\Models\Activity whereId($value)
* @method static \Illuminate\Database\Query\Builder|\App\Models\Activity whereCreatedAt($value)
* @method static \Illuminate\Database\Query\Builder|\App\Models\Activity whereUserId($value)
* @method static \Illuminate\Database\Query\Builder|\App\Models\Activity whereActivityType($value)
* @method static \Illuminate\Database\Query\Builder|\App\Models\Activity whereResourceType($value)
* @method static \Illuminate\Database\Query\Builder|\App\Models\Activity whereResourceId($value)
* @method static \Illuminate\Database\Query\Builder|\App\Models\Activity whereDeletedAt($value)
* @mixin \Eloquent
* @method static bool|null forceDelete()
* @method static \Illuminate\Database\Query\Builder|\App\Models\Activity onlyTrashed()
* @method static bool|null restore()
* @method static \Illuminate\Database\Query\Builder|\App\Models\Activity withTrashed()
* @method static \Illuminate\Database\Query\Builder|\App\Models\Activity withoutTrashed()
*/
class Activity extends Model
{
use SoftDeletes;
public $timestamps = false;
protected $dates = ['created_at'];
protected $fillable = ['created_at', 'user_id', 'activity_type', 'resource_type', 'resource_id'];
protected $appends = ['url', 'thumbnail_url', 'human_friendly_resource_type'];
protected $casts = [
'id' => 'integer',
'created_at' => 'datetime',
'user_id' => 'integer',
'activity_type' => 'integer',
// resource_type has its own accessor and mutator
'resource_id' => 'integer',
];
/**
* These constants are stored in the "activity_types" table for the purpose
* of referential data integrity. Any additions or changes to them MUST
* include a database migration to apply the changes to that table as well.
*/
const TYPE_NEWS = 1;
const TYPE_PUBLISHED_TRACK = 2;
const TYPE_PUBLISHED_ALBUM = 3;
const TYPE_PUBLISHED_PLAYLIST = 4;
const TYPE_NEW_FOLLOWER = 5;
const TYPE_NEW_COMMENT = 6;
const TYPE_CONTENT_FAVOURITED = 7;
/**
* Activity types to subscribe new users to email notifications for.
*/
const DEFAULT_EMAIL_TYPES = [
Activity::TYPE_PUBLISHED_TRACK,
Activity::TYPE_PUBLISHED_ALBUM,
Activity::TYPE_PUBLISHED_PLAYLIST,
Activity::TYPE_NEW_FOLLOWER,
Activity::TYPE_NEW_COMMENT,
Activity::TYPE_CONTENT_FAVOURITED,
];
/**
* These "target" constants are an implementation detail of this model and
* should not be used directly in other classes. They're used to efficiently
* store the type of resource this notification is about in the database.
*
* The "resource_type" attribute is transformed into a class name at runtime
* so that the use of an integer in the database to represent this info
* remains an implementation detail of this model. Outside of this class,
* the resource_type attribute should be treated as a fully-qualified class
* name.
*/
const TARGET_USER = 1;
const TARGET_TRACK = 2;
const TARGET_ALBUM = 3;
const TARGET_PLAYLIST = 4;
const TARGET_COMMENT = 5;
public function initiatingUser()
{
return $this->belongsTo(User::class, 'user_id', 'id');
}
public function notifications()
{
return $this->hasMany(Notification::class, 'activity_id', 'id');
}
public function notificationRecipients()
{
return $this->hasManyThrough(User::class, Notification::class, 'activity_id', 'user_id', 'id');
}
public function resource()
{
return $this->morphTo('resource', 'resource_type', 'resource_id');
}
public function getUrlAttribute()
{
if (static::TYPE_NEW_FOLLOWER === $this->activity_type) {
return $this->initiatingUser->url;
} else {
return $this->resource->url;
}
}
public function getResourceTypeAttribute($value)
{
switch ($value) {
case static::TARGET_USER:
return User::class;
case static::TARGET_TRACK:
return Track::class;
case static::TARGET_ALBUM:
return Album::class;
case static::TARGET_PLAYLIST:
return Playlist::class;
case static::TARGET_COMMENT:
return Comment::class;
default:
// Null must be returned here for Eloquent's eager-loading
// of the polymorphic relation to work.
return null;
}
}
public function setResourceTypeAttribute($value)
{
switch ($value) {
case User::class:
$this->attributes['resource_type'] = static::TARGET_USER;
break;
case Track::class:
$this->attributes['resource_type'] = static::TARGET_TRACK;
break;
case Album::class:
$this->attributes['resource_type'] = static::TARGET_ALBUM;
break;
case Playlist::class:
$this->attributes['resource_type'] = static::TARGET_PLAYLIST;
break;
case Comment::class:
$this->attributes['resource_type'] = static::TARGET_COMMENT;
break;
}
}
public function getThumbnailUrlAttribute()
{
if (
in_array($this->activity_type,
[static::TYPE_CONTENT_FAVOURITED, static::TYPE_NEW_FOLLOWER])
) {
return $this->initiatingUser->getAvatarUrl(Image::SMALL);
} else {
switch ($this->resource_type) {
case User::class:
return $this->resource->getAvatarUrl(Image::SMALL);
case Track::class:
case Album::class:
case Playlist::class:
return $this->resource->getCoverUrl(Image::SMALL);
case Comment::class:
return $this->resource->user->getAvatarUrl(Image::SMALL);
default:
throw new \Exception('This activity\'s resource is of an unknown type!');
}
}
}
public function getTitleFromActivityType()
{
switch ($this->activity_type) {
case static::TYPE_PUBLISHED_TRACK:
return "Pony.fm - New track";
case static::TYPE_PUBLISHED_PLAYLIST:
return "Pony.fm - New playlist";
case static::TYPE_NEW_FOLLOWER:
return "Pony.fm - New follower";
case static::TYPE_NEW_COMMENT:
return "Pony.fm - New comment";
case static::TYPE_CONTENT_FAVOURITED:
return "Pony.fm - Favourited";
default:
return "Pony.fm - Unknown";
}
}
/**
* Returns a string representing the type of resource this activity is about
* for use in human-facing notification text.
*
* @return string
* @throws \Exception
*/
public function getResourceTypeString():string
{
switch($this->activity_type) {
case static::TYPE_NEW_COMMENT:
return $this->resource->resource->getResourceType();
case static::TYPE_CONTENT_FAVOURITED:
return $this->resource->getResourceType();
}
throw new \Exception("Unknown activity type {$this->activity_type} - cannot determine resource type.");
}
/**
* @return bool
*/
public function isProfileComment():bool {
return static::TYPE_NEW_COMMENT === $this->activity_type &&
User::class === $this->resource->getResourceClass();
}
/**
* The string this method generates is used for email subject lines as well
* as on-site notifications.
*
* @return string human-readable Markdown string describing this notification
* @throws \Exception
*/
public function getTextAttribute()
{
switch ($this->activity_type) {
case static::TYPE_NEWS:
// not implemented yet
throw new \InvalidArgumentException('This type of activity has not been implemented yet!');
case static::TYPE_PUBLISHED_TRACK:
return "{$this->resource->user->display_name} published a new track, {$this->resource->title}!";
case static::TYPE_PUBLISHED_PLAYLIST:
return "{$this->resource->user->display_name} published a new playlist, {$this->resource->title}!";
case static::TYPE_NEW_FOLLOWER:
return "{$this->initiatingUser->display_name} is now following you!";
case static::TYPE_NEW_COMMENT:
if ($this->isProfileComment()) {
return "{$this->initiatingUser->display_name} left a comment on your profile!";
// If it's not a profile comment, it must be a content comment.
} else {
return "{$this->initiatingUser->display_name} left a comment on your {$this->getResourceTypeString()}, \"{$this->resource->resource->title}\"!";
}
case static::TYPE_CONTENT_FAVOURITED:
return "{$this->initiatingUser->display_name} favourited your {$this->getResourceTypeString()}, \"{$this->resource->title}\"!";
default:
throw new \Exception('This activity\'s activity type is unknown!');
}
}
}