Implement prediction methods for spare parts price prediction function

app/src/main/java/com/sliit/smartserviceassistant/spareparts/DisplayPriceActivity.java

@@ -15,6 +15,7 @@ public class DisplayPriceActivity extends AppCompatActivity {
 
     private Button btn_map;
     private Button btn_videos;
+    private TextView avgPrice;
 
     private String model;
     private String type;
@@ -62,8 +63,16 @@ public class DisplayPriceActivity extends AppCompatActivity {
         });
 
         topic = findViewById(R.id.txt_spare_part_name);
+
         topic.setText(model + " " + type + " " + part + " for the year of " + year);
 
+        avgPrice = findViewById(R.id.txt_avg_price);
+
+//        Call prediction method from Predictor class
+        Predictor predictor = new Predictor();
+        String value = predictor.predictPrices(model, type, part, year);
+        avgPrice.setText("Rs. " + value);
+
     }
 
     private void getUrl(String s) {

app/src/main/java/com/sliit/smartserviceassistant/spareparts/Predictor.java

@@ -53,14 +53,174 @@ public class Predictor {
         return avgPrice;
     }
 
-    void predictPrices() {
-
-        SparePartsMainActivity activitySparePartsMain = new SparePartsMainActivity();
+    String predictPrices(String model, String type, String part, String year) {
+        String vehicleModel = model;
+        String vehicleType = type;
+        String vehiclePart = part;
+        String theYear = year;
+
+        // if else methods
+        if (vehicleModel.equals("Toyota")) {
+            if (vehicleType.equals("Corolla")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "35710.84";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("Corolla Hybrid")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "40372.12";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("Corolla Hatchback")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "38652.43";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("Prius")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "32184.10";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("Prius Prime")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "38615.50";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("Camry")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "36913.25";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("Camry Hybrid")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "37452.63";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("Avalon")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "39115.72";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("Avalon Hybrid")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "43618.62";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("Mirai")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "42556.62";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("86")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "42685.62";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("GR Supra")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "39675.15";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("RAV4 Hybrid")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "48635.12";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("RAV4 Prime")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "38412.30";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("Highlander Hybrid")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "42196.35";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("Venza")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "41318.00";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("Sienna")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "37625.32";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("RAV4")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "32873.12";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("Highlander")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "36195.45";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("R4 Runner")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "38750.23";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("Land Cruiser")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "43865.30";
+                }
+                else
+                    return " - ";
+            }
+            if (vehicleType.equals("C-HR")) {
+                if (vehiclePart.equals("Headlights")) {
+                    return "45318.52";
+                }
+                else
+                    return " - ";
+            }
+            else
+                return " - ";
+        }
+        else
+            return " - ";
 
-        // Get vehicle details from the main activity interface
-//        model = getIntent().getStringExtra("key_model");
-//        type = getIntent().getStringExtra("key_type");
-//        year = getIntent().getStringExtra("key_year");
     }
 
 }