add category title parsing & sorting of data

@@ -11,11 +11,33 @@ public class CampaignCategory: Codable {
     
     // attributes
     public var name: String?
+    public var index: Int
     public var items: Array<swiftApi.CampaignItemModel>
     
     // initialization
     public init(_ name: String) {
         self.name = name
+        self.index = 100
+        self.items = [swiftApi.CampaignItemModel]()
+    }
+    
+    public init(_ name: String, index: Int) {
+        self.name = name
+        self.index = index
         self.items = [swiftApi.CampaignItemModel]()
     }
 }
+
+enum CampaignCategoryFactory {
+    static func create(withTitle title: String) -> CampaignCategory {
+        
+        var index = 100
+        let indexChr:Character = title[title.index(title.startIndex, offsetBy: 1)]
+        if indexChr.isNumber {
+            index = indexChr.wholeNumberValue!
+        }
+        
+        return CampaignCategory(title, index: index)
+  }
+}
+

@@ -97,6 +97,7 @@ import SwiftEventBus
         }
         
         newData.append(category)
+        newData = newData.sorted(by: { $0.index > $1.index })
         
         // reload
         categories = newData