Merge pull request #117 from ClaytonWWilson/intra-list-ordering

Intra list ordering

Lambdas/Lists/List/src/List.java

@@ -9,14 +9,16 @@ public class List {
     long lastUpdated;
     ArrayList<ItemEntry> entries;
     boolean shared;
+    Integer uiPosition;
 
-    public List(ResultSet listRow, boolean shared) throws SQLException {
+    public List(ResultSet listRow, boolean shared, Integer uiPosition) throws SQLException {
         itemID = listRow.getInt("listID");
         name = listRow.getString("name");
         owner = listRow.getString("owner");
         lastUpdated = listRow.getTimestamp("lastUpdated").toInstant().toEpochMilli();
         entries = new ArrayList<>();
         this.shared = shared;
+        this.uiPosition = uiPosition;
     }
 
     @Override
@@ -27,6 +29,8 @@ public class List {
                 ", owner='" + owner + '\'' +
                 ", lastUpdated=" + lastUpdated +
                 ", entries=" + entries +
+                ", shared=" + shared +
+                ", uiPosition=" + uiPosition +
                 '}';
     }
 
@@ -70,6 +74,13 @@ public class List {
         this.shared = shared;
     }
 
+    public Integer getUiPosition() {
+        return uiPosition;
+    }
+
+    public void setUiPosition(Integer uiPosition) {
+        this.uiPosition = uiPosition;
+
    public ItemEntry[] getEntries() {
         return entries.toArray(new ItemEntry[entries.size()]);
     }

Lambdas/Lists/List/src/ListAdder.java

@@ -9,7 +9,8 @@ public class ListAdder implements CallHandler {
     private String cognitoID;
 
     private final String LIST_CREATE = "INSERT INTO List (name, owner, lastUpdated) VALUES (?, ?, ?);";
-    private final String LIST_ACCESS_GRANT = "INSERT INTO ListSharee(listID, userID, permissionLevel) VALUES(?, ?, ?);";
+    private final String LIST_ACCESS_GRANT = "INSERT INTO ListSharee(listID, userID, permissionLevel, uiPosition) VALUES(?, ?, ?, ?);";
+    private final String UI_POSITION_CHECK = "SELECT Max(uiPosition) as maxUIPosition FROM ListSharee WHERE userID = ?;";
 
     public ListAdder(Connection connection, String cognitoID) {
         this.connection = connection;
@@ -17,9 +18,17 @@ public class ListAdder implements CallHandler {
     }
 
     public Object conductAction(Map<String, Object> bodyMap, HashMap<String, String> queryString, String cognitoID) throws SQLException {
-        PreparedStatement statement = connection.prepareStatement(LIST_CREATE, Statement.RETURN_GENERATED_KEYS);
-
         String listName = bodyMap.get("name").toString();//Needs safe checking
+
+        PreparedStatement uiPositionCheck = connection.prepareStatement(UI_POSITION_CHECK);
+        uiPositionCheck.setString(1, cognitoID);
+        ResultSet uiPositionCheckRS = uiPositionCheck.executeQuery();
+        int nextPosition = 1;
+        if (uiPositionCheckRS.next()) {
+            nextPosition = uiPositionCheckRS.getInt("maxUIPosition") + 1;
+        }
+
+        PreparedStatement statement = connection.prepareStatement(LIST_CREATE, Statement.RETURN_GENERATED_KEYS);
         statement.setString(1, listName);
         statement.setString(2, cognitoID);
         statement.setTimestamp(3, Timestamp.from(Instant.now()));
@@ -32,6 +41,7 @@ public class ListAdder implements CallHandler {
         accessGrant.setInt(1, newID);
         accessGrant.setString(2, cognitoID);
         accessGrant.setInt(3, ListPermissions.getAll());
+        accessGrant.setInt(4, nextPosition);
         System.out.println(accessGrant);
         accessGrant.executeUpdate();
         connection.commit();

Lambdas/Lists/List/src/ListGetter.java

@@ -12,7 +12,7 @@ public class ListGetter implements CallHandler{
     private final String cognitoID;
 
     private final String GET_LIST = "SELECT * FROM List WHERE listID = ?;";
-    private final String GET_LISTS = "SELECT listID FROM ListSharee WHERE userID = ?;";
+    private final String GET_LISTS = "SELECT listID FROM ListSharee WHERE userID = ? ORDER BY uiPosition;";
     private final String SHARE_CHECK = "SELECT * FROM ListSharee WHERE listID = ?;";
     private final String GET_ENTRIES = "SELECT * FROM ListProduct WHERE listID = ?;";
 
@@ -42,6 +42,7 @@ public class ListGetter implements CallHandler{
         ResultSet accessResults = checkAccess.executeQuery();
         int sharees = 0;
         boolean verifiedAccess = false;
+        int uiPosition = 1;
         while ((sharees < 2 && accessResults.next()) || !verifiedAccess) {
             int permissionLevel = accessResults.getInt("permissionLevel");
             if (accessResults.getString("userID").equals(cognitoID)) {
@@ -49,6 +50,7 @@ public class ListGetter implements CallHandler{
                 if (!ListPermissions.hasPermission(permissionLevel, "Read")) {
                     throw new AccessControlException("User " + cognitoID + " does not have permission to read list " + id);
                 }
+                uiPosition = accessResults.getInt("uiPosition");
             }
             if (permissionLevel > 0) {
                 sharees++;
@@ -64,7 +66,7 @@ public class ListGetter implements CallHandler{
         ResultSet getListResults = getList.executeQuery();
         getListResults.first();
         System.out.println(getListResults);
-        List retrievedList = new List(getListResults, shared);
+        List retrievedList = new List(getListResults, shared, uiPosition);
         System.out.println(retrievedList);
         PreparedStatement getListEntries = connection.prepareStatement(GET_ENTRIES);
         getListEntries.setInt(1, id);

Lambdas/Lists/ListReposition/src/ListRepositionActor.java

@@ -0,0 +1,70 @@
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.HashMap;
+import java.util.Map;
+
+public class ListRepositionActor implements CallHandler {
+
+    private Connection connection;
+    private String cognitoID;
+
+    public ListRepositionActor(Connection connection, String cognitoID) {
+        this.connection = connection;
+        this.cognitoID = cognitoID;
+    }
+
+    final private String GET_PRIOR_POSITION = "SELECT uiPosition FROM ListSharee WHERE userID = ? AND listID = ?;";
+    final private String SET_NEW_POSITION = "UPDATE ListSharee SET uiPosition = ? WHERE userID = ? AND listID = ?;";
+    final private String DECREMENT_HIGHER_POSITIONS = "UPDATE ListSharee SET uiPosition = uiPosition - 1 WHERE uiPosition > ? AND userID = ?;";
+    final private String INCREMENT_GEQ_POSITIONS = "UPDATE ListSharee SET uiPosition = uiPosition + 1 WHERE uiPosition >= ? AND userID = ?;";
+
+
+    public Object conductAction(Map<String, Object> bodyMap, HashMap<String, String> queryString, String cognitoID) throws SQLException {
+        Integer listID = (Integer) bodyMap.get("listID");
+        Integer newPosition = (Integer) bodyMap.get("newPosition");
+
+        PreparedStatement getPriorPosition = connection.prepareStatement(GET_PRIOR_POSITION);
+        getPriorPosition.setString(1, cognitoID);
+        getPriorPosition.setInt(2, listID);
+        ResultSet priorPositionRS = getPriorPosition.executeQuery();
+        if (!priorPositionRS.next()) {
+            throw new IllegalArgumentException("Bad listID for user");
+        }
+        Integer priorPosition = priorPositionRS.getInt("uiPosition");
+
+        PreparedStatement openNewPosition = connection.prepareStatement(INCREMENT_GEQ_POSITIONS);
+
+        if (newPosition.equals(priorPosition)) {
+            return null;
+        }
+        if (newPosition < priorPosition) {
+            openNewPosition.setInt(1, newPosition);
+        } else {
+            openNewPosition.setInt(1, newPosition + 1);
+        }
+        openNewPosition.setString(2, cognitoID);
+        System.out.println(openNewPosition);
+        openNewPosition.executeUpdate();
+
+        PreparedStatement fillPriorPosition = connection.prepareStatement(DECREMENT_HIGHER_POSITIONS);
+        fillPriorPosition.setInt(1, priorPosition);
+        fillPriorPosition.setString(2, cognitoID);
+        System.out.println(fillPriorPosition);
+        fillPriorPosition.executeUpdate();
+
+
+
+        PreparedStatement setNewPosition = connection.prepareStatement(SET_NEW_POSITION);
+        setNewPosition.setInt(1, newPosition);
+        setNewPosition.setString(2, cognitoID);
+        setNewPosition.setInt(3, listID);
+        System.out.println(setNewPosition);
+        setNewPosition.executeUpdate();
+
+        connection.commit();
+        return null;
+    }
+
+}

Lambdas/Lists/ListReposition/src/ListRepositionPUT.java

@@ -0,0 +1,11 @@
+import com.amazonaws.services.lambda.runtime.Context;
+import com.amazonaws.services.lambda.runtime.RequestHandler;
+
+import java.util.Map;
+
+public class ListRepositionPUT  implements RequestHandler<Map<String,Object>, Object> {
+
+    public Object handleRequest(Map<String, Object> inputMap, Context unfilled) {
+        return BasicHandler.handleRequest(inputMap, unfilled, ListRepositionActor.class);
+    }
+}

Lambdas/Lists/ListShare/src/ListSharer.java

@@ -22,9 +22,9 @@ public class ListSharer implements CallHandler {
     }
 
     final private String CHECK_ACCESS = "SELECT * from ListSharee WHERE listID = ? AND userID = ?;";
+    private final String UI_POSITION_CHECK = "SELECT Max(uiPosition) as maxUIPosition FROM ListSharee WHERE userID = ?;";
     final private String SHARE_LIST = "INSERT INTO ListSharee(listID, userID, permissionLevel, uiPosition) VALUES(?, ?, ?, ?) ON DUPLICATE KEY UPDATE permissionLevel = ?;";
 
-
     public Object conductAction(Map<String, Object> bodyMap, HashMap<String, String> queryString, String cognitoID) throws SQLException {
         PreparedStatement checkAccess = connection.prepareStatement(CHECK_ACCESS);
         Integer listID = Integer.parseInt(bodyMap.get("listID").toString());
@@ -63,12 +63,23 @@ public class ListSharer implements CallHandler {
 //            throw new InputMismatchException("The specified user already has access");
 //        }
 
+        PreparedStatement uiPositionCheck = connection.prepareStatement(UI_POSITION_CHECK);
+        uiPositionCheck.setString(1, shareWithSub);
+        System.out.println(uiPositionCheck);
+        ResultSet uiPositionCheckRS = uiPositionCheck.executeQuery();
+        int nextPosition = 1;
+        if (uiPositionCheckRS.next()) {
+            nextPosition = uiPositionCheckRS.getInt("maxUIPosition") + 1;
+        }
+
         PreparedStatement shareList = connection.prepareStatement(SHARE_LIST);
         shareList.setInt(1, listID);
         shareList.setString(2, shareWithSub);
         Integer permissionLevel = Integer.parseInt(bodyMap.get("permissionLevel").toString());
         shareList.setInt(3, permissionLevel);
-        shareList.setInt(4, permissionLevel);
+        shareList.setInt(4, nextPosition);
+        shareList.setInt(5, permissionLevel);
+        System.out.println(shareList);
         shareList.executeUpdate();
         connection.commit();
         return null;

Listify/app/src/main/java/com/example/listify/ItemDetails.java

@@ -1,27 +1,15 @@
 package com.example.listify;
 
-import android.app.Dialog;
-import android.graphics.Color;
-import android.graphics.drawable.ColorDrawable;
 import android.os.Bundle;
-
+import android.view.View;
-import com.amplifyframework.auth.AuthException;
+import android.widget.*;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
 import com.bumptech.glide.Glide;
 import com.example.listify.data.List;
 import com.example.listify.data.ListEntry;
 import com.example.listify.model.Product;
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.appcompat.widget.Toolbar;
-import android.view.View;
-import android.view.Window;
-import android.view.WindowManager;
-import android.widget.ImageButton;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
-import android.widget.TextView;
-import android.widget.Toast;
-
 import org.json.JSONException;
 
 import java.io.IOException;
@@ -239,7 +227,7 @@ public class ItemDetails extends AppCompatActivity implements ListPickerDialogFr
         Requestor requestor = new Requestor(am, configs.getProperty("apiKey"));
         SynchronousReceiver<Integer> idReceiver = new SynchronousReceiver<>();
 
-        com.example.listify.data.List newList = new List(-1, name, "user filled by lambda", Instant.now().toEpochMilli());
+        com.example.listify.data.List newList = new List(-1, name, "user filled by lambda", Instant.now().toEpochMilli(), -1);
 
         Thread t = new Thread(new Runnable() {
             @Override

Listify/app/src/main/java/com/example/listify/MainActivity.java

@@ -17,6 +17,7 @@ import androidx.navigation.ui.AppBarConfiguration;
 import androidx.navigation.ui.NavigationUI;
 import com.amplifyframework.auth.AuthException;
 import com.example.listify.data.List;
+import com.example.listify.data.ListReposition;
 import com.example.listify.data.SearchHistory;
 import com.example.listify.ui.LoginPage;
 import com.google.android.material.navigation.NavigationView;
@@ -108,6 +109,7 @@ public class MainActivity extends AppCompatActivity implements CreateListDialogF
             requestor.getObject("N/A", SearchHistory.class, historyReceiver, historyReceiver);
             try {
                 System.out.println(historyReceiver.await());
+                requestor.putObject(new ListReposition(291, 1));
             } catch (Exception e) {
                 e.printStackTrace();
             }
@@ -205,7 +207,7 @@ public class MainActivity extends AppCompatActivity implements CreateListDialogF
         Requestor requestor = new Requestor(am, configs.getProperty("apiKey"));
         SynchronousReceiver<Integer> idReceiver = new SynchronousReceiver<>();
 
-        List newList = new List(-1, name, "user filled by lambda", Instant.now().toEpochMilli());
+        List newList = new List(-1, name, "user filled by lambda", Instant.now().toEpochMilli(), -1);
 
         try {
             requestor.postObject(newList, idReceiver, idReceiver);

Listify/app/src/main/java/com/example/listify/data/List.java

@@ -9,18 +9,20 @@ public class List {
     long lastUpdated;
     final ListEntry[] entries;
     boolean shared;
+    Integer uiPosition;
 
-    public List(Integer itemID, String name, String owner, long lastUpdated, ListEntry[] entries, boolean shared) {
+    public List(Integer itemID, String name, String owner, long lastUpdated, ListEntry[] entries, boolean shared, Integer uiPosition) {
         this.itemID = itemID;
         this.name = name;
         this.owner = owner;
         this.lastUpdated = lastUpdated;
         this.entries = entries;
         this.shared = false;
+        this.uiPosition = uiPosition;
     }
 
-    public List(Integer itemID, String name, String owner, long lastUpdated) {
+    public List(Integer itemID, String name, String owner, long lastUpdated, Integer uiPosition) {
-        this(itemID,  name,  owner,  lastUpdated, null, false);
+        this(itemID,  name,  owner,  lastUpdated, null, false, uiPosition);
     }
 
     @Override
@@ -32,6 +34,7 @@ public class List {
                 ", lastUpdated=" + lastUpdated +
                 ", entries=" + Arrays.toString(entries) +
                 ", shared=" + shared +
+                ", uiPosition=" + uiPosition +
                 '}';
     }
 
@@ -75,6 +78,13 @@ public class List {
         this.shared = shared;
     }
 
+    public Integer getUiPosition() {
+        return uiPosition;
+    }
+
+    public void setUiPosition(Integer uiPosition) {
+        this.uiPosition = uiPosition;
+
     public ListEntry[] getEntries() {
         return entries;
     }

Listify/app/src/main/java/com/example/listify/data/ListReposition.java

@@ -0,0 +1,35 @@
+package com.example.listify.data;
+
+public class ListReposition {
+    Integer listID;
+    Integer newPosition;
+
+    public ListReposition(Integer listID, Integer newPosition) {
+        this.listID = listID;
+        this.newPosition = newPosition;
+    }
+
+    @Override
+    public String toString() {
+        return "ListReposition{" +
+                "listID=" + listID +
+                ", newPosition=" + newPosition +
+                '}';
+    }
+
+    public Integer getListID() {
+        return listID;
+    }
+
+    public void setListID(Integer listID) {
+        this.listID = listID;
+    }
+
+    public Integer getNewPosition() {
+        return newPosition;
+    }
+
+    public void setNewPosition(Integer newPosition) {
+        this.newPosition = newPosition;
+    }
+}

Listify/app/src/main/java/com/example/listify/ui/home/HomeFragment.java

@@ -88,7 +88,7 @@ public class HomeFragment extends Fragment implements CreateListDialogFragment.O
         Requestor requestor = new Requestor(am, configs.getProperty("apiKey"));
         SynchronousReceiver<Integer> idReceiver = new SynchronousReceiver<>();
 
-        List newList = new List(-1, name, "user filled by lambda", Instant.now().toEpochMilli());
+        List newList = new List(-1, name, "user filled by lambda", Instant.now().toEpochMilli() , -1);
 
         try {
             requestor.postObject(newList, idReceiver, idReceiver);