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<?php |
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|
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namespace FluentSupport\App\Services\Tickets; |
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|
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use FluentSupport\App\Modules\PermissionManager; |
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use FluentSupport\App\Services\Helper; |
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|
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class AgentTicketAccess |
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{ |
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// Keyed by user id so wp_set_current_user() switches land on their own entry. |
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private static $restrictedByUser = []; |
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|
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public function currentAgentCanAccess($ticket) |
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{ |
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return $this->canAccess(Helper::getAgentByUserId(), $ticket); |
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} |
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|
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public function canAccess($agent, $ticket, $restrictions = null) |
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{ |
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if (!$agent || empty($agent->user_id) || !$ticket || empty($ticket->id)) { |
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return false; |
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} |
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|
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if ($this->isMailboxRestricted($agent, $ticket, $restrictions)) { |
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return false; |
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} |
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|
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$visibility = PermissionManager::getAgentTicketVisibility($agent->user_id); |
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|
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if ($visibility === PermissionManager::VISIBILITY_ALL) { |
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return true; |
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} |
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|
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if ((int) $ticket->agent_id === (int) $agent->id) { |
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return true; |
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} |
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|
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return !$ticket->agent_id && $visibility === PermissionManager::VISIBILITY_ASSIGNED_AND_UNASSIGNED; |
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} |
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|
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public function applyAccessScope($query, $agent = null, $restrictions = null) |
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{ |
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$agent = $agent ?: Helper::getAgentByUserId(); |
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|
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if (!$agent || empty($agent->user_id)) { |
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$query->where('id', 0); |
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return $query; |
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} |
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|
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$this->applyVisibilityScope($query, $agent); |
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$this->applyMailboxRestrictionScope($query, $agent, $restrictions); |
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|
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return $query; |
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} |
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|
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public function applyVisibilityScope($query, $agent = null) |
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{ |
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$agent = $agent ?: Helper::getAgentByUserId(); |
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|
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if (!$agent || empty($agent->user_id)) { |
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$query->where('id', 0); |
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return $query; |
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} |
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|
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$visibility = PermissionManager::getAgentTicketVisibility($agent->user_id); |
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|
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if ($visibility === PermissionManager::VISIBILITY_ALL) { |
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return $query; |
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} |
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|
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if ($visibility === PermissionManager::VISIBILITY_ASSIGNED_ONLY) { |
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$query->where('agent_id', $agent->id); |
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return $query; |
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} |
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|
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$query->where(function ($q) use ($agent) { |
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$q->where('agent_id', $agent->id); |
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$q->orWhereNull('agent_id'); |
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}); |
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|
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return $query; |
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} |
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|
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public function applyMailboxRestrictionScope($query, $agent = null, $restrictions = null) |
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{ |
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$restrictedBoxes = $this->getRestrictedMailboxIds($agent, $restrictions); |
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|
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if ($restrictedBoxes) { |
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$this->applyRestrictedMailboxFilter($query, $restrictedBoxes); |
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} |
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|
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return $query; |
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} |
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|
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// NOT IN is NULL, not TRUE, for a NULL mailbox — hence the explicit OR. |
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protected function applyRestrictedMailboxFilter($query, $restrictedBoxes) |
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{ |
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return $query->where(function ($q) use ($restrictedBoxes) { |
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$q->whereNotIn('mailbox_id', $restrictedBoxes); |
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$q->orWhereNull('mailbox_id'); |
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}); |
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} |
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|
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// Costs an agent + meta read, so the current-user answer is memoised for the |
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// request; a request constructs many instances and they all share it. |
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public function getRestrictedMailboxIds($agent = null, $restrictions = null) |
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{ |
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if ($agent !== null || $restrictions !== null) { |
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return $this->resolveRestrictedMailboxIds($agent, $restrictions); |
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} |
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|
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$userId = (int) get_current_user_id(); |
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|
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if (!array_key_exists($userId, self::$restrictedByUser)) { |
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self::$restrictedByUser[$userId] = $this->resolveRestrictedMailboxIds(null, null); |
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} |
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|
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return self::$restrictedByUser[$userId]; |
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} |
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|
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// Call after writing agent_restrictions so the same request sees the new value. |
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public static function resetCache() |
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{ |
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self::$restrictedByUser = []; |
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} |
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|
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private function resolveRestrictedMailboxIds($agent, $restrictions) |
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{ |
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$agent = $agent ?: Helper::getAgentByUserId(); |
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|
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if (!$agent) { |
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return []; |
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} |
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|
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if ($restrictions === null) { |
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$restrictions = $agent->getMeta('agent_restrictions', []); |
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} |
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|
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if (!empty($restrictions['businessBoxRestrictions']) && !empty($restrictions['restrictedBusinessBoxes'])) { |
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return array_values(array_unique(array_map('intval', $restrictions['restrictedBusinessBoxes']))); |
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} |
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|
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return []; |
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} |
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|
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// Same boundary, for rows that reach their mailbox through a `ticket` relation. |
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public function applyMailboxRestrictionScopeViaTicket($query) |
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{ |
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$restrictedBoxes = $this->getRestrictedMailboxIds(); |
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|
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if (!$restrictedBoxes) { |
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return $query; |
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} |
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|
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return $query->whereHas('ticket', function ($q) use ($restrictedBoxes) { |
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$this->applyRestrictedMailboxFilter($q, $restrictedBoxes); |
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}); |
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} |
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|
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protected function isMailboxRestricted($agent, $ticket, $restrictions = null) |
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{ |
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$restrictedBoxes = $this->getRestrictedMailboxIds($agent, $restrictions); |
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|
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return !empty($ticket->mailbox_id) && in_array((int) $ticket->mailbox_id, $restrictedBoxes, true); |
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} |
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} |
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