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<?php namespace Arcanedev\LaravelMessenger\Models; |
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use Arcanedev\LaravelMessenger\Bases\Model; |
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use Arcanedev\LaravelMessenger\Contracts\Discussion as DiscussionContract; |
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use Arcanedev\LaravelMessenger\Contracts\Message as MessageContract; |
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use Arcanedev\LaravelMessenger\Contracts\Participant as ParticipantContract; |
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use Carbon\Carbon; |
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use Illuminate\Database\Eloquent\Builder; |
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use Illuminate\Database\Eloquent\SoftDeletes; |
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use Illuminate\Database\Query\JoinClause; |
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/** |
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* Class Discussion |
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* |
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* @package Arcanedev\LaravelMessenger\Models |
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* @author ARCANEDEV <[email protected]> |
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* |
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* @property int id |
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* @property string subject |
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* @property \Carbon\Carbon created_at |
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* @property \Carbon\Carbon updated_at |
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* @property \Carbon\Carbon deleted_at |
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* |
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* @property \Illuminate\Database\Eloquent\Model creator |
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* @property \Illuminate\Database\Eloquent\Collection messages |
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* @property \Illuminate\Database\Eloquent\Collection participants |
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* @property \Arcanedev\LaravelMessenger\Models\Message latest_message |
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* |
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* @method static \Illuminate\Database\Eloquent\Builder subject(string $subject, bool $strict) |
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* @method static \Illuminate\Database\Eloquent\Builder between(array $usersIds) |
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* @method static \Illuminate\Database\Eloquent\Builder forUser(int $userId) |
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* @method static \Illuminate\Database\Eloquent\Builder forUserWithNewMessages(int $userId) |
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*/ |
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class Discussion extends Model implements DiscussionContract |
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{ |
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/* ------------------------------------------------------------------------------------------------ |
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| Traits |
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| ------------------------------------------------------------------------------------------------ |
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*/ |
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use SoftDeletes; |
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/* ------------------------------------------------------------------------------------------------ |
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| Properties |
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| ------------------------------------------------------------------------------------------------ |
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*/ |
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/** |
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* The attributes that can be set with Mass Assignment. |
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* |
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* @var array |
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*/ |
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protected $fillable = ['subject']; |
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/** |
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* The attributes that should be mutated to dates. |
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* |
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* @var array |
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*/ |
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protected $dates = ['deleted_at']; |
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/** |
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* The attributes that should be cast to native types. |
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* |
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* @var array |
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*/ |
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protected $casts = [ |
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'id' => 'integer', |
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]; |
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/* ------------------------------------------------------------------------------------------------ |
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| Constructor |
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| ------------------------------------------------------------------------------------------------ |
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*/ |
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/** |
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* Create a new Eloquent model instance. |
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* |
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* @param array $attributes |
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*/ |
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public function __construct(array $attributes = []) |
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{ |
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$this->setTable( |
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$this->getTableFromConfig('discussions', 'discussions') |
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); |
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parent::__construct($attributes); |
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} |
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/* ------------------------------------------------------------------------------------------------ |
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| Relationships |
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| ------------------------------------------------------------------------------------------------ |
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*/ |
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/** |
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* Participants relationship. |
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* |
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* @return \Illuminate\Database\Eloquent\Relations\HasMany |
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*/ |
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public function participants() |
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{ |
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return $this->hasMany( |
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$this->getModelFromConfig('participants', Participant::class) |
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); |
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} |
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/** |
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* Messages relationship. |
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* |
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* @return \Illuminate\Database\Eloquent\Relations\HasMany |
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*/ |
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public function messages() |
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{ |
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return $this->hasMany( |
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$this->getModelFromConfig('messages', Participant::class) |
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); |
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} |
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/** |
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* Get the user that created the first message. |
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* |
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* @return \Illuminate\Database\Eloquent\Relations\BelongsTo |
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*/ |
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public function creator() |
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{ |
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return $this->messages()->oldest()->first()->user(); |
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} |
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/* ------------------------------------------------------------------------------------------------ |
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| Scopes |
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| ------------------------------------------------------------------------------------------------ |
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*/ |
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/** |
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* Scope discussions that the user is associated with. |
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* |
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* @param \Illuminate\Database\Eloquent\Builder $query |
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* @param int $userId |
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* |
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* @return \Illuminate\Database\Eloquent\Builder |
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*/ |
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public function scopeForUser(Builder $query, $userId) |
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{ |
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return $query->join( |
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$participants = $this->getParticipantsTable(), |
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function (JoinClause $join) use ($participants, $userId) { |
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$join->on($this->getQualifiedKeyName(), '=', "{$participants}.discussion_id") |
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->where("{$participants}.user_id", '=', $userId) |
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->whereNull("{$participants}.deleted_at"); |
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} |
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); |
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} |
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/** |
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* Scope discussions with new messages that the user is associated with. |
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* |
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* @param \Illuminate\Database\Eloquent\Builder $query |
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* @param int $userId |
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* |
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* @return \Illuminate\Database\Eloquent\Builder |
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*/ |
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public function scopeForUserWithNewMessages(Builder $query, $userId) |
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{ |
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$participants = $this->getParticipantsTable(); |
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$discussions = $this->getTable(); |
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$prefix = $this->getConnection()->getTablePrefix(); |
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return $this->scopeForUser($query, $userId) |
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->where(function (Builder $query) use ($participants, $discussions, $prefix) { |
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$expression = $this->getConnection()->raw("{$prefix}{$participants}.last_read"); |
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$query->where("{$discussions}.updated_at", '>', $expression) |
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->orWhereNull("{$participants}.last_read"); |
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}); |
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} |
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/** |
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* Scope discussions between given user ids. |
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* |
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* @param \Illuminate\Database\Eloquent\Builder $query |
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* @param array $userIds |
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* |
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* @return \Illuminate\Database\Eloquent\Builder |
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*/ |
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public function scopeBetween(Builder $query, array $userIds) |
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{ |
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$participants = $this->getParticipantsTable(); |
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return $query->whereHas($participants, function (Builder $query) use ($userIds) { |
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$query->whereIn('user_id', $userIds) |
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->groupBy('discussion_id') |
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->havingRaw('COUNT(discussion_id)=' . count($userIds)); |
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}); |
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} |
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/** |
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* Get the participants table name. |
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* |
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* @return string |
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*/ |
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protected function getParticipantsTable() |
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{ |
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return $this->getTableFromConfig('participants', 'participants'); |
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} |
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/** |
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* Scope the query by the subject. |
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* |
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* @param \Illuminate\Database\Eloquent\Builder $query |
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* @param string $subject |
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* @param bool $strict |
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* |
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* @return \Illuminate\Database\Eloquent\Builder |
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*/ |
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public function scopeSubject(Builder $query, $subject, $strict = false) |
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{ |
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$subject = $strict ? $subject : "%{$subject}%"; |
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return $query->where('subject', 'like', $subject); |
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} |
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/* ------------------------------------------------------------------------------------------------ |
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| Getters & Setters |
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| ------------------------------------------------------------------------------------------------ |
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*/ |
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/** |
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* Get the latest_message attribute. |
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* |
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* @return \Arcanedev\LaravelMessenger\Models\Message |
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*/ |
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public function getLatestMessageAttribute() |
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{ |
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return $this->messages->sortByDesc('created_at')->first(); |
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} |
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/* ------------------------------------------------------------------------------------------------ |
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| Main Functions |
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| ------------------------------------------------------------------------------------------------ |
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*/ |
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/** |
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* Returns all of the latest discussions by `updated_at` date. |
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* |
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* @return \Illuminate\Database\Eloquent\Collection |
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*/ |
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public static function getLatest() |
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{ |
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return self::latest('updated_at')->get(); |
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} |
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/** |
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* Returns all discussions by subject. |
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* |
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* @param string $subject |
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* @param bool $strict |
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* |
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* @return \Illuminate\Database\Eloquent\Collection |
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*/ |
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public static function getBySubject($subject, $strict = false) |
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{ |
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return self::subject($subject, $strict)->get(); |
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} |
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/** |
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* Returns an array of user ids that are associated with the discussion. |
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* |
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* @param int|null $userId |
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* |
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* @return \Illuminate\Support\Collection |
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*/ |
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public function participantsUserIds($userId = null) |
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{ |
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/** @var \Illuminate\Support\Collection $usersIds */ |
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$usersIds = $this->participants()->withTrashed()->lists('user_id'); |
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return $usersIds->push($userId)->filter()->unique(); |
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} |
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/** |
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* Add a user to discussion as a participant. |
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* |
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* @param int $userId |
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* |
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* @return \Arcanedev\LaravelMessenger\Models\Participant |
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*/ |
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public function addParticipant($userId) |
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{ |
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/** @var \Arcanedev\LaravelMessenger\Models\Participant $participant */ |
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$participant = $this->participants()->firstOrCreate([ |
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'user_id' => $userId, |
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'discussion_id' => $this->id, |
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]); |
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return $participant; |
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} |
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/** |
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* Add users to discussion as participants. |
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* |
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* @param array $userIds |
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* |
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* @return \Illuminate\Database\Eloquent\Collection |
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*/ |
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public function addParticipants(array $userIds) |
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{ |
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foreach ($userIds as $userId) { |
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$this->addParticipant($userId); |
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} |
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return $this->participants; |
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} |
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/** |
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* Remove a participant from discussion. |
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* |
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* @param int $userId |
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* @param bool $reload |
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* |
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* @return int |
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*/ |
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public function removeParticipant($userId, $reload = true) |
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{ |
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return $this->removeParticipants([$userId], $reload); |
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} |
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/** |
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* Remove participants from discussion. |
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* |
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* @param array $userIds |
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* @param bool $reload |
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* |
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* @return int |
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*/ |
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public function removeParticipants(array $userIds, $reload = true) |
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{ |
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$deleted = $this->participants() |
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->whereIn('user_id', $userIds) |
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->where('discussion_id', $this->id) |
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->delete(); |
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if ($reload) $this->load(['participants']); |
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return $deleted; |
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} |
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/** |
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* Mark a discussion as read for a user. |
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* |
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* @param int $userId |
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* |
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* @return bool|int |
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*/ |
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public function markAsRead($userId) |
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{ |
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if ($participant = $this->getParticipantByUserId($userId)) { |
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return $participant->update([ |
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'last_read' => Carbon::now() |
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]); |
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} |
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return false; |
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} |
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/** |
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* See if the current thread is unread by the user. |
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* |
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* @param int $userId |
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* |
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* @return bool |
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*/ |
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public function isUnread($userId) |
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{ |
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return ($participant = $this->getParticipantByUserId($userId)) |
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? $participant->last_read < $this->updated_at |
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: false; |
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} |
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/** |
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* Finds the participant record from a user id. |
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* |
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* @param int $userId |
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* |
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* @return \Arcanedev\LaravelMessenger\Models\Participant |
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*/ |
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public function getParticipantByUserId($userId) |
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{ |
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return $this->participants() |
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->where('user_id', $userId) |
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->first(); |
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} |
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/** |
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|
* Get the trashed participants. |
388
|
|
|
* |
389
|
|
|
* @return \Illuminate\Database\Eloquent\Collection |
390
|
|
|
*/ |
391
|
16 |
|
public function getTrashedParticipants() |
392
|
|
|
{ |
393
|
16 |
|
return $this->participants() |
394
|
16 |
|
->onlyTrashed() |
395
|
16 |
|
->get(); |
396
|
|
|
} |
397
|
|
|
|
398
|
|
|
/** |
399
|
|
|
* Restores all participants within a discussion. |
400
|
|
|
* |
401
|
|
|
* @param bool $reload |
402
|
|
|
* |
403
|
|
|
* @return int |
404
|
|
|
*/ |
405
|
8 |
|
public function restoreAllParticipants($reload = true) |
406
|
|
|
{ |
407
|
8 |
|
$participants = $this->getTrashedParticipants(); |
408
|
|
|
$restored = $participants->filter(function (ParticipantContract $participant) { |
409
|
8 |
|
return $participant->restore(); |
410
|
8 |
|
})->count(); |
411
|
|
|
|
412
|
8 |
|
if ($reload) $this->load(['participants']); |
413
|
|
|
|
414
|
8 |
|
return $restored; |
415
|
|
|
} |
416
|
|
|
|
417
|
|
|
/** |
418
|
|
|
* Generates a participant information as a string. |
419
|
|
|
* |
420
|
|
|
* @param int|null $ignoredUserId |
421
|
|
|
* @param \Closure|null $callback |
422
|
|
|
* @param string $glue |
423
|
|
|
* |
424
|
|
|
* @return string |
425
|
|
|
*/ |
426
|
16 |
|
public function participantsString($ignoredUserId = null, $callback = null, $glue = ', ') |
427
|
|
|
{ |
428
|
|
|
/** @var \Illuminate\Database\Eloquent\Collection $participants */ |
429
|
16 |
|
$participants = $this->participants->load(['user']); |
430
|
|
|
|
431
|
16 |
|
if (is_null($callback)) { |
432
|
|
|
// By default: the participant name |
433
|
|
|
$callback = function (ParticipantContract $participant) { |
434
|
8 |
|
return $participant->stringInfo(); |
435
|
8 |
|
}; |
436
|
6 |
|
} |
437
|
|
|
|
438
|
|
|
return $participants->filter(function (ParticipantContract $participant) use ($ignoredUserId) { |
439
|
16 |
|
return $participant->user_id !== $ignoredUserId; |
|
|
|
|
440
|
16 |
|
})->map($callback)->implode($glue); |
441
|
|
|
} |
442
|
|
|
|
443
|
|
|
/** |
444
|
|
|
* Checks to see if a user is a current participant of the discussion. |
445
|
|
|
* |
446
|
|
|
* @param int $userId |
447
|
|
|
* |
448
|
|
|
* @return bool |
449
|
|
|
*/ |
450
|
16 |
|
public function hasParticipant($userId) |
451
|
|
|
{ |
452
|
16 |
|
return $this->participants() |
453
|
16 |
|
->where('user_id', '=', $userId) |
454
|
16 |
|
->count() > 0; |
455
|
|
|
} |
456
|
|
|
|
457
|
|
|
/** |
458
|
|
|
* Returns array of unread messages in discussion for given user. |
459
|
|
|
* |
460
|
|
|
* @param int $userId |
461
|
|
|
* |
462
|
|
|
* @return \Illuminate\Support\Collection |
463
|
|
|
*/ |
464
|
16 |
|
public function userUnreadMessages($userId) |
465
|
|
|
{ |
466
|
16 |
|
$participant = $this->getParticipantByUserId($userId); |
467
|
|
|
|
468
|
16 |
|
if (is_null($participant)) return collect(); |
469
|
|
|
|
470
|
16 |
|
return is_null($participant->last_read) |
471
|
16 |
|
? $this->messages->toBase() |
472
|
16 |
|
: $this->messages->filter(function (MessageContract $message) use ($participant) { |
473
|
16 |
|
return $message->updated_at->gt($participant->last_read); |
|
|
|
|
474
|
16 |
|
})->toBase(); |
475
|
|
|
} |
476
|
|
|
} |
477
|
|
|
|
If you access a property on an interface, you most likely code against a concrete implementation of the interface.
Available Fixes
Adding an additional type check:
Changing the type hint: