FEATURE #1431: add template edit

app/Models/Template.php

@@ -18,18 +18,78 @@ class Template extends Model
         'editable'
     ];
     protected $guarded = [];
-
+    protected $pathModel = null;
     const EDITED_TEMPLATES_DIRECTORY = 'custom';
     const TEMPLATE_SUFFIX = '.blade.php';
-
+    const CUSTOM_EDIT_DIRECTORY = 1;
+    const ORIGINAL_DIRECTORY = 2;
 
     /**
      * In one path may be many templates
      *
      * @return \Illuminate\Database\Eloquent\Relations\HasMany
      */
-    public function template()
+    public function getPath()
     {
-        return $this->belongsTo('App\Models\TemplatePath', 'id');
+        if (!$this->pathModel) {
+
+            $this->pathModel = TemplatePath::where('id', $this->path)
+                                           ->first();
+        }
+
+        return $this->pathModel;
+    }
+
+    /**
+     * Getter for absolute path to template
+     *
+     * @param null $mode
+     *
+     * @return string
+     */
+    public function getPathToTemplate($mode = null)
+    {
+        $templateName = $this->template_name;
+        $path = $this->getPath();
+
+        // delete namespace if given
+        if (strpos($this->template_name, '::')) {
+            list(, $templateName) = explode('::', $templateName);
+        }
+
+        // get template name, do not care about directories (they are already contained in path)
+        $parts = explode('.', $templateName);
+        $templateName = last($parts);
+
+        // just a shortcut for this unbelievable long constant name...
+        $_ = DIRECTORY_SEPARATOR;
+
+        // path parts
+        $absolutePath = base_path($path->path);
+        $templatePath = str_replace('.', $_, $templateName);
+        $file = $templatePath . self::TEMPLATE_SUFFIX;
+
+        // compose two versions of path - original and with "custom" directory
+        $original = $absolutePath . $_ . $file;
+        $edited = $absolutePath . $_ . self::EDITED_TEMPLATES_DIRECTORY . $_ . $file;
+
+        // decide which path will be returned
+        switch ($mode) {
+            case self::CUSTOM_EDIT_DIRECTORY:
+                return $edited;
+                break;
+
+            case self::ORIGINAL_DIRECTORY:
+                return $original;
+                break;
+
+            default:
+                if (file_exists($absolutePath . $_ . self::EDITED_TEMPLATES_DIRECTORY . $_ . $file)) {
+                    return $edited;
+                }
+
+                return $original;
+                break;
+        }
     }
 }