Start work on updating services

app/Interfaces/ServiceItem.php

@@ -6,6 +6,13 @@ use Carbon\Carbon;
 
 interface ServiceItem
 {
+	/**
+	 * Months the service is contracted for.
+	 *
+	 * @return int
+	 */
+	public function getContractTermAttribute(): int;
+
 	/**
 	 * Return the Service Description.
 	 *
@@ -16,7 +23,7 @@ interface ServiceItem
 	/**
 	 * Date the service expires
 	 */
-	public function getServiceExpireAttribute(): Carbon;
+	public function getServiceExpireAttribute(): ?Carbon;
 
 	/**
 	 * Return the Service Name.
@@ -25,6 +32,13 @@ interface ServiceItem
 	 */
 	public function getServiceNameAttribute(): string;
 
+	/**
+	 * Has this service expired
+	 *
+	 * @return bool
+	 */
+	public function hasExpired(): bool;
+
 	/**
 	 * Is this service in a contract
 	 *