diff --git a/AvH Plan.xcodeproj/project.pbxproj b/AvH Plan.xcodeproj/project.pbxproj
index f5a5910..37476a8 100644
--- a/AvH Plan.xcodeproj/project.pbxproj	
+++ b/AvH Plan.xcodeproj/project.pbxproj	
@@ -21,6 +21,7 @@
 		A9A3496C22D4859200F35AE0 /* SubstModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = A9A3496B22D4859200F35AE0 /* SubstModel.swift */; };
 		A9C1D2FE22D656A400139043 /* InfoViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = A9C1D2FD22D656A400139043 /* InfoViewController.swift */; };
 		A9C1D30022D656DD00139043 /* MenuViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = A9C1D2FF22D656DD00139043 /* MenuViewController.swift */; };
+		A9C1D30222D7237200139043 /* DataFetcher.swift in Sources */ = {isa = PBXBuildFile; fileRef = A9C1D30122D7237200139043 /* DataFetcher.swift */; };
 		C736A19A44C64423F3A695B7 /* Pods_AvH_PlanUITests.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 74EDE3D8134812AB76BEB988 /* Pods_AvH_PlanUITests.framework */; };
 /* End PBXBuildFile section */
 
@@ -63,6 +64,7 @@
 		A9A3496B22D4859200F35AE0 /* SubstModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SubstModel.swift; sourceTree = "<group>"; };
 		A9C1D2FD22D656A400139043 /* InfoViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = InfoViewController.swift; sourceTree = "<group>"; };
 		A9C1D2FF22D656DD00139043 /* MenuViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MenuViewController.swift; sourceTree = "<group>"; };
+		A9C1D30122D7237200139043 /* DataFetcher.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DataFetcher.swift; sourceTree = "<group>"; };
 		C6EC6ACE7893F2BB0A157817 /* Pods-AvH Plan.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-AvH Plan.release.xcconfig"; path = "Target Support Files/Pods-AvH Plan/Pods-AvH Plan.release.xcconfig"; sourceTree = "<group>"; };
 		D9D6269E96544A9242A29611 /* Pods_AvH_PlanTests.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_AvH_PlanTests.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		E596AED9E99670CBF1B6F49E /* Pods-AvH Plan.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-AvH Plan.debug.xcconfig"; path = "Target Support Files/Pods-AvH Plan/Pods-AvH Plan.debug.xcconfig"; sourceTree = "<group>"; };
@@ -158,6 +160,7 @@
 				A961338D2299867A00B541D4 /* Info.plist */,
 				A96133AF229986DF00B541D4 /* CollectionViewCell.swift */,
 				A9A3496B22D4859200F35AE0 /* SubstModel.swift */,
+				A9C1D30122D7237200139043 /* DataFetcher.swift */,
 			);
 			path = "AvH Plan";
 			sourceTree = "<group>";
@@ -417,6 +420,7 @@
 				A96133B0229986DF00B541D4 /* CollectionViewCell.swift in Sources */,
 				A9C1D2FE22D656A400139043 /* InfoViewController.swift in Sources */,
 				A96133822299867400B541D4 /* PlanViewController.swift in Sources */,
+				A9C1D30222D7237200139043 /* DataFetcher.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
diff --git a/AvH Plan/Assets.xcassets/ic_history.imageset/ic_history-1.png b/AvH Plan/Assets.xcassets/ic_history.imageset/ic_history-1.png
new file mode 100644
index 0000000..5ab828e
Binary files /dev/null and b/AvH Plan/Assets.xcassets/ic_history.imageset/ic_history-1.png differ
diff --git a/AvH Plan/DataFetcher.swift b/AvH Plan/DataFetcher.swift
new file mode 100644
index 0000000..e5c6374
--- /dev/null
+++ b/AvH Plan/DataFetcher.swift	
@@ -0,0 +1,110 @@
+//
+//  DataFetcher.swift
+//  AvH Plan
+//
+//  Created by Deniz Duezgoeren on 11.07.19.
+//  Copyright © 2019 Deniz Duezgoeren. All rights reserved.
+//
+
+import Foundation
+import UIKit
+import Alamofire
+import SwiftSoup
+
+class DataFetcher {
+    
+    func doAsync(completionHandler: @escaping (_ substitutions: Array<SubstModel>) -> ()) {
+        DispatchQueue(label: "work-queue").async {
+            let url = "https://djd4rkn355.github.io/subst_test.html"
+            Alamofire.request(url).responseString { response in
+                if let html = response.result.value {
+                    completionHandler(self.parseHTML(html: html))
+                }
+            }
+            
+        }
+    }
+    
+    func parseHTML(html: String) -> Array<SubstModel> {
+        var subst = Array<SubstModel>()
+        do {
+            let doc: Document = try SwiftSoup.parse(html)
+            let rows: Elements = try doc.select("tr")
+            
+            for i in (0..<rows.size()) {
+                let row = rows.get(i)
+                let cols = try row.select("th")
+                
+                subst.append(SubstModel(group: try cols.get(0).text(), course: try cols.get(3).text(), additional: try cols.get(5).text(),
+                                        date: try cols.get(1).text(), time: try cols.get(2).text(), room: try cols.get(4).text()))
+                
+            }
+            
+        } catch Exception.Error(let type, let message) {
+            print(type)
+            print(message)
+        } catch {
+            print("error")
+        }
+        return subst
+    }
+    
+    func getImage(from icon: String) -> UIImage? {
+        var imagePath = ""
+        let i = icon.lowercased()
+        if i.contains("deu") || i.contains("dep") || i.contains("daz") {
+            imagePath = "ic_german"
+        } else if i.contains("mat") || i.contains("map") {
+            imagePath = "ic_maths"
+        } else if i.contains("eng") || i.contains("enp") || i.contains("ena") {
+            imagePath = "ic_english"
+        } else if i.contains("spo") || i.contains("spp") || i.contains("spth") {
+            imagePath = "ic_pe"
+        } else if i.contains("pol") || i.contains("pop") {
+            imagePath = "ic_politics"
+        } else if i.contains("dar") || i.contains("dap") {
+            imagePath = "ic_drama"
+        } else if i.contains("phy") || i.contains("php") {
+            imagePath = "ic_physics"
+        } else if i.contains("bio") || i.contains("bip") || i.contains("nw") {
+            imagePath = "ic_biology"
+        } else if i.contains("che") || i.contains("chp") {
+            imagePath = "ic_chemistry"
+        } else if i.contains("phi") || i.contains("psp") {
+            imagePath = "ic_philosophy"
+        } else if i.contains("laa") || i.contains("laf") || i.contains("lat") {
+            imagePath = "ic_latin"
+        } else if i.contains("spa") || i.contains("spf") {
+            imagePath = "ic_spanish"
+        } else if i.contains("fra") || i.contains("frf") || i.contains("frz") {
+            imagePath = "ic_french"
+        } else if i.contains("inf") {
+            imagePath = "ic_compsci"
+        } else if i.contains("ges") {
+            imagePath = "ic_history"
+        } else if i.contains("rel") {
+            imagePath = "ic_religion"
+        } else if i.contains("geg") || i.contains("wuk") {
+            imagePath = "ic_geography"
+        } else if i.contains("kun") {
+            imagePath = "ic_arts"
+        } else if i.contains("mus") {
+            imagePath = "ic_music"
+        } else if i.contains("tue") {
+            imagePath = "ic_turkish"
+        } else if i.contains("chi") {
+            imagePath = "ic_chinese"
+        } else if i.contains("gll") {
+            imagePath = "ic_gll"
+        } else if i.contains("wat") {
+            imagePath = "ic_wat"
+        } else if i.contains("för") {
+            imagePath = "ic_help"
+        } else if i.contains("wp") || i.contains("met") {
+            imagePath = "ic_pencil"
+        } else {
+            return nil
+        }
+        return UIImage(named: imagePath)
+    }
+}
diff --git a/AvH Plan/PlanViewController.swift b/AvH Plan/PlanViewController.swift
index 6fe6739..08d7ec5 100644
--- a/AvH Plan/PlanViewController.swift	
+++ b/AvH Plan/PlanViewController.swift	
@@ -15,15 +15,10 @@ class PlanViewController : UIViewController, UICollectionViewDataSource, UIColle
     
     let reuseIdentifier = "cell"
     @IBOutlet weak var collectionView: UICollectionView!
-    let queue = DispatchQueue(label: "work-queue")
-    var group: Array<String> = Array()
-    var course: Array<String> = Array()
-    var additional: Array<String> = Array()
-    var date: Array<String> = Array()
-    var time: Array<String> = Array()
-    var room: Array<String> = Array()
+    var substs = Array<SubstModel>()
     private let refreshControl = UIRefreshControl()
     var db: OpaquePointer?
+    let df = DataFetcher()
     
     override func viewWillAppear(_ animated: Bool) {
         super.viewWillAppear(animated)
@@ -35,47 +30,36 @@ class PlanViewController : UIViewController, UICollectionViewDataSource, UIColle
         refreshControl.addTarget(self, action: #selector(objDoAsync(_:)), for: .valueChanged)
         refreshControl.tintColor = UIColor(red: 0.39, green: 0.71, blue: 0.96, alpha: 1.0)
         refreshControl.attributedTitle = NSAttributedString(string: "Fetching the plan...")
-//        self.refreshControl.beginRefreshing()
-//        self.doAsync()
     }
     
     @objc private func objDoAsync(_ sender: Any) {
-        self.doAsync()
+        df.doAsync() { substitutions in
+            self.substs = substitutions
+            self.collectionView.reloadData()
+            self.refreshControl.endRefreshing()
+        }
     }
 
     override func viewDidLoad() {
         super.viewDidLoad()
-        
-        
         collectionView.backgroundColor = UIColor(red: 0.8, green: 0.8, blue: 0.8, alpha: 1.0)
-        
-//        let layout = collectionView.collectionViewLayout as! UICollectionViewFlowLayout
-//        layout.itemSize = CGSize(width: view.frame.size.width, height: 129)
-        
-//        let fileURL = try! FileManager.default.url(for: .documentDirectory, in: .userDomainMask, appropriateFor: nil, create: false)
-//        .appendingPathComponent("SubstDB.sqlite")
-//
-//        if (sqlite3_open(fileURL.path, &db) != SQLITE_OK) {
-//            print("Error opening database connection")
-//        }
-//        sqlite3_exec(db, "CREATE TABLE IF NOT EXISTS subst_table (id INTEGER PRIMARY KEY AUTOINCREMENT, group TEXT, course TEXT, add TEXT, date TEXT, time TEXT, room TEXT)", nil, nil, nil)
     }
     
     func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
-        return self.group.count
+        return self.substs.count
     }
     
     func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
         let cell = collectionView.dequeueReusableCell(withReuseIdentifier: reuseIdentifier, for: indexPath as IndexPath) as! CollectionViewCell
-        if self.group.count != 0 {
-            cell.group.text = self.group[indexPath.item]
-            cell.additional.text = self.additional[indexPath.item]
-            cell.date.text = self.date[indexPath.item]
-            cell.time.text = self.time[indexPath.item]
-            cell.room.text = self.room[indexPath.item]
+        if self.substs.count != 0 {
+            cell.group.text = self.substs[indexPath.item].group
+            cell.additional.text = self.substs[indexPath.item].additional
+            cell.date.text = self.substs[indexPath.item].date
+            cell.time.text = self.substs[indexPath.item].time
+            cell.room.text = self.substs[indexPath.item].room
             
-            let course = self.course[indexPath.item]
-            let image = getImage(from: course)
+            let course = self.substs[indexPath.item].course
+            let image = df.getImage(from: course)
             
             if image != nil {
                 let attachment: NSTextAttachment = NSTextAttachment()
@@ -100,65 +84,6 @@ class PlanViewController : UIViewController, UICollectionViewDataSource, UIColle
         return cell
     }
     
-    func getImage(from icon: String) -> UIImage? {
-        var imagePath = ""
-        let i = icon.lowercased()
-        if i.contains("deu") || i.contains("dep") || i.contains("daz") {
-            imagePath = "ic_german"
-        } else if i.contains("mat") || i.contains("map") {
-            imagePath = "ic_maths"
-        } else if i.contains("eng") || i.contains("enp") || i.contains("ena") {
-            imagePath = "ic_english"
-        } else if i.contains("spo") || i.contains("spp") || i.contains("spth") {
-            imagePath = "ic_pe"
-        } else if i.contains("pol") || i.contains("pop") {
-            imagePath = "ic_politics"
-        } else if i.contains("dar") || i.contains("dap") {
-            imagePath = "ic_drama"
-        } else if i.contains("phy") || i.contains("php") {
-            imagePath = "ic_physics"
-        } else if i.contains("bio") || i.contains("bip") || i.contains("nw") {
-            imagePath = "ic_biology"
-        } else if i.contains("che") || i.contains("chp") {
-            imagePath = "ic_chemistry"
-        } else if i.contains("phi") || i.contains("psp") {
-            imagePath = "ic_philosophy"
-        } else if i.contains("laa") || i.contains("laf") || i.contains("lat") {
-            imagePath = "ic_latin"
-        } else if i.contains("spa") || i.contains("spf") {
-            imagePath = "ic_spanish"
-        } else if i.contains("fra") || i.contains("frf") || i.contains("frz") {
-            imagePath = "ic_french"
-        } else if i.contains("inf") {
-            imagePath = "ic_compsci"
-        } else if i.contains("ges") {
-            imagePath = "ic_history"
-        } else if i.contains("rel") {
-            imagePath = "ic_religion"
-        } else if i.contains("geg") || i.contains("wuk") {
-            imagePath = "ic_geography"
-        } else if i.contains("kun") {
-            imagePath = "ic_arts"
-        } else if i.contains("mus") {
-            imagePath = "ic_music"
-        } else if i.contains("tue") {
-            imagePath = "ic_turkish"
-        } else if i.contains("chi") {
-            imagePath = "ic_chinese"
-        } else if i.contains("gll") {
-            imagePath = "ic_gll"
-        } else if i.contains("wat") {
-            imagePath = "ic_wat"
-        } else if i.contains("för") {
-            imagePath = "ic_help"
-        } else if i.contains("wp") || i.contains("met") {
-            imagePath = "ic_pencil"
-        } else {
-            return nil
-        }
-        return UIImage(named: imagePath)
-    }
-    
     func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
         print("You selected cell#\(indexPath.item)!")
     }
@@ -166,82 +91,5 @@ class PlanViewController : UIViewController, UICollectionViewDataSource, UIColle
     func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
         return CGSize(width: view.frame.size.width, height: 108)
     }
-    
-    func doAsync() {
-        queue.async {
-            let url = "https://djd4rkn355.github.io/subst_test.html"
-            Alamofire.request(url).responseString { response in
-                if let html = response.result.value {
-                    self.parseHTML(html: html)
-                }
-            }
-            
-        }
-    }
-    
-    func insertInDb() {
-        
-//        let insertString = "INSERT INTO subst_table VALUES (?, ?, ?, ?, ?, ?)"
-//
-//        if (sqlite3_prepare_v2(db, insertString, nil, nil, nil) != SQLITE_OK) {
-//            print("error db")
-//        }
-//        if (
-    }
-    
-    func parseHTML(html: String) {
-        do {
-            let doc: Document = try SwiftSoup.parse(html)
-            let rows: Elements = try doc.select("tr")
-            
-            self.group.removeAll()
-            self.date.removeAll()
-            self.time.removeAll()
-            self.course.removeAll()
-            self.room.removeAll()
-            self.additional.removeAll()
-            
-            var group: String
-            var date: String
-            var time: String
-            var course: String
-            var room: String
-            var add: String
-            
-//            sqlite3_exec(db, "DELETE FROM subst_table", nil, nil, nil)
-            
-            for i in (0..<rows.size()) {
-                let row = rows.get(i)
-                let cols = try row.select("th")
-                
-                group = try cols.get(0).text()
-                date = try cols.get(1).text()
-                time = try cols.get(2).text()
-                course = try cols.get(3).text()
-                room = try cols.get(4).text()
-                add = try cols.get(5).text()
-                
-                self.group.append(group)
-                self.date.append(date)
-                self.time.append(time)
-                self.course.append(course)
-                self.room.append(room)
-                self.additional.append(add)
-                
-                // insert()
-            }
-            
-            self.collectionView.reloadData() // reloadData() only produces 13 cells, no more, no less
-            // nevermind, but it depends on the "items" array, for some reason??
-//            self.updateView()
-            self.refreshControl.endRefreshing()
-//            self.activityIndicatorView.stopAnimating()
-        } catch Exception.Error(let type, let message) {
-            print(type)
-            print(message)
-        } catch {
-            print("error")
-        }
-    }
 }
 
diff --git a/AvH Plan/SubstModel.swift b/AvH Plan/SubstModel.swift
index d564aec..f500145 100644
--- a/AvH Plan/SubstModel.swift	
+++ b/AvH Plan/SubstModel.swift	
@@ -9,5 +9,19 @@
 import Foundation
 
 class SubstModel {
+    var group: String
+    var course: String
+    var additional: String
+    var date: String
+    var time: String
+    var room: String
     
+    init(group: String, course: String, additional: String, date: String, time: String, room: String) {
+        self.group = group
+        self.course = course
+        self.additional = additional
+        self.date = date
+        self.time = time
+        self.room = room
+    }
 }