Added page authorisation and cug processing

app/Classes/Frame.php

@@ -2,8 +2,12 @@
 
 namespace App\Classes;
 
+use App\Models\Mode;
 use Illuminate\Support\Facades\Log;
 
+use App\User;
+use App\Models\CUG;
+
 /**
  * Handles all aspects of frame
  *
@@ -100,12 +104,15 @@ abstract class Frame
 
 	/**
 	 * Return a list of alternative versions of this frame.
+	 *
+	 * @todo: Need to adjust to not include access=0 frames unless owner
 	 */
-	public function alts()
+	public function alts(Mode $o)
 	{
 		return \App\Models\Frame::where('frame',$this->frame())
 			->where('index',$this->index())
 			->where('id','<>',$this->frame->id)
+			->where('mode_id',$o->id)
 			->limit(9);
 	}
 
@@ -133,6 +140,34 @@ abstract class Frame
 		return $this->frame->frame;
 	}
 
+	/**
+	 * Get the CUG for a frame
+	 *
+	 * Frame CUG are derived from their frame number.
+	 * EG: Frame 642 is a member of 642, or 64, or 6, or 0, whichever matches first.
+	 *
+	 * @return CUG
+	 */
+	public function getCUG()
+	{
+		$co = NULL;
+		$frame = $this->frame->frame;
+
+		while (! $co)
+		{
+			$co = CUG::find($frame);
+
+			if (! $co) {
+				$frame = substr($frame,0,strlen($frame)-1);
+
+				if (! $frame)
+					$frame = 0;
+			}
+		}
+
+		return $co;
+	}
+
 	/**
 	 * Return the current field configuration
 	 */
@@ -197,6 +232,21 @@ abstract class Frame
 		return chr(ord($this->frame->index)+1);
 	}
 
+	public function isAccessible():bool
+	{
+		return $this->frame->access ? TRUE : FALSE;
+	}
+
+	/**
+	 * Determine if the frame is a particular CUG
+	 * @param int $cug
+	 * @return bool
+	 */
+	public function isCUG(int $cug): bool
+	{
+		return ($this->getCUG()->id == $cug);
+	}
+
 	/**
 	 * Determine if a field is editable
 	 *
@@ -208,6 +258,22 @@ abstract class Frame
 		return array_get(array_get($this->fieldoptions,$field),'edit',FALSE);
 	}
 
+	/**
+	 * Is this frame Public
+	 *
+	 * @return bool
+	 */
+	public function isFramePublic(): bool
+	{
+		return $this->frame->closed ? FALSE : TRUE;
+	}
+	// @todo To implement
+
+	public function isOwner(User $o):bool
+	{
+		return FALSE;
+	}
+
 	/**
 	 * Return the Page Number
 	 */
@@ -312,6 +378,8 @@ abstract class Frame
 		$o->type = 'a';
 		$o->frame = 999;
 		$o->index = 'a';
+		$o->access = 1;
+		$o->closed = 0;
 
 		// Header
 		$sid = R_RED.'T'.R_BLUE.'E'.R_GREEN.'S'.R_YELLOW.'T';