Splitwise Implementation

SplitWiseImpl/.gitignore

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+/bin/

SplitWiseImpl/Jar_File/Splitwise.sh

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+java -cp Splitwise.jar com.main.CommandLineMain

SplitWiseImpl/src/com/application/Application.java

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+package com.application;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.dataStore.interfaces.IUserPairOwedAmountDataStore;
+import com.enums.SplitStrategyType;
+import com.factory.interfaces.IDataStoreFactory;
+import com.factory.interfaces.IStrategyListFactory;
+import com.interfaces.IApplication;
+import com.interfaces.IStrategyList;
+import com.strategies.interfaces.ISplitInput;
+import com.strategies.splitObjects.SplitResult;
+
+/**
+ * The Class Application.
+ */
+public class Application implements IApplication {
+
+	/** The user pair owed amount data store. */
+	private IUserPairOwedAmountDataStore userPairOwedAmountDataStore;
+
+	/** The strategy list. */
+	private IStrategyList strategyList;
+
+
+
+
+	/**
+	 * Instantiates a new application.
+	 *
+	 * @param dataStoreFactory the data store factory
+	 * @param strategyListFactory the strategy list factory
+	 * @param strategiesPresnt the strategies presnt
+	 * @param inputReader the input reader
+	 */
+	Application(IDataStoreFactory dataStoreFactory, IStrategyListFactory strategyListFactory, List<String> strategiesPresnt) {
+
+		this.userPairOwedAmountDataStore = dataStoreFactory.getUserPairOwedAmountDataStore();
+
+		this.strategyList = strategyListFactory.getStrategyList(strategiesPresnt);
+	}
+
+	/**
+	 * Adds the expense.
+	 *
+	 * @param expenseInput the expense input
+	 * @return true, if successful
+	 */
+	@Override
+	/**
+	 * 
+	 */
+	public boolean addExpense(ISplitInput splitInput) {
+
+		if (splitInput == null) {
+			return false;
+		}
+
+		SplitResult splitResult = this.strategyList.getSplitStrategies().get(splitInput.getSplitInputType()).getFinalSplit(splitInput);
+
+		// System.out.println("result " + splitResult.getOwedBy() + " " + splitResult.getOwedTo());
+
+		return this.userPairOwedAmountDataStore.updateAmountForEntries(splitResult);
+	}
+
+
+	/**
+	 * Gets the balance for user.
+	 *
+	 * @param userId the user id
+	 * @return the balance for user
+	 */
+	@Override
+	public SplitResult getBalanceForUser(String userId) {
+
+		return this.userPairOwedAmountDataStore.getBalancesForUser(userId);
+	}
+
+	/**
+	 * Gets the all balances.
+	 *
+	 * @return the all balances
+	 */
+	@Override
+	public SplitResult getAllBalances() {
+		// TODO Auto-generated method stub
+		return this.userPairOwedAmountDataStore.getBalancesForAllUsers();
+	}
+
+	/**
+	 * Gets the strategies name.
+	 *
+	 * @return the strategies name
+	 */
+	@Override
+	public List<SplitStrategyType> getStrategiesName() {
+		return new ArrayList<SplitStrategyType>(this.strategyList.getSplitStrategies().keySet());
+	}
+
+}

SplitWiseImpl/src/com/application/ApplicationInterface.java

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+package com.application;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import com.enums.InputCommand;
+import com.enums.SplitStrategyType;
+import com.factory.interfaces.IDataStoreFactory;
+import com.factory.interfaces.IStrategyListFactory;
+import com.interfaces.IApplication;
+import com.interfaces.IApplicationInterface;
+import com.ioParser.interfaces.IInputReader;
+import com.ioParser.interfaces.IResultFormatter;
+import com.strategies.splitObjects.SplitResult;
+import com.user.UserDetails;
+
+// TODO: Auto-generated Javadoc
+/**
+ * The Class ApplicationInterface.
+ */
+public class ApplicationInterface implements IApplicationInterface {
+
+	/** The application. */
+	private IApplication application;
+
+
+	/** The data store factory. */
+	private IDataStoreFactory dataStoreFactory;
+
+	/** The strategy list factory. */
+	private IStrategyListFactory strategyListFactory;
+
+	/** The result formatter. */
+	private IResultFormatter resultFormatter;
+
+	/** The input reader. */
+	private IInputReader inputReader;
+
+
+	/**
+	 * Instantiates a new application interface.
+	 *
+	 * @param dataStoreFactory the data store factory
+	 * @param strategyListFactory the strategy list factory
+	 * @param resultFormatter the result formatter
+	 * @param inputReader the input reader
+	 */
+	public ApplicationInterface(IDataStoreFactory dataStoreFactory, IStrategyListFactory strategyListFactory,
+			IResultFormatter resultFormatter, IInputReader inputReader) {
+		super();
+		this.dataStoreFactory = dataStoreFactory;
+		this.strategyListFactory = strategyListFactory;
+		this.resultFormatter = resultFormatter;
+		this.inputReader = inputReader;
+	}
+
+	/**
+	 * Instantiate application.
+	 */
+	@Override
+	public void instantiateApplication() {
+		this.application = new Application(dataStoreFactory, strategyListFactory, Arrays.asList((String) SplitStrategyType.EQUAL.name(),(String) SplitStrategyType.EXACT.name(), (String)SplitStrategyType.PERCENT.name()));
+
+	}
+
+	/**
+	 * Run input string.
+	 *
+	 * @param input the input
+	 * @return the list
+	 */
+	@Override
+	public List<String> runInputString(String input) {
+		String[] inputArr = input.split(" ");
+
+		List<String> inputList = new ArrayList<String>();
+
+		int i = 1;
+
+		while (i < inputArr.length) {
+			inputList.add(inputArr[i]);
+
+			i++;
+		}
+
+		if (InputCommand.EXPENSE == InputCommand.valueOf(inputArr[0])) {
+			this.application.addExpense(this.inputReader.parseInput(inputList));
+
+			return Arrays.asList();
+		}
+
+		if (InputCommand.SHOW == InputCommand.valueOf(inputArr[0])) {
+			SplitResult splitResult;
+			if (inputList.size() == 0) {
+				splitResult = this.application.getAllBalances();
+			} else {
+				splitResult = this.application.getBalanceForUser(inputList.get(0));
+			}
+
+//			System.out.println("result" + splitResult.getOwedBy() + " " + splitResult.getOwedTo());
+
+			return this.resultFormatter.getFormattedResult(splitResult, this.dataStoreFactory.getUserDataStore());
+
+		}
+
+		return new ArrayList<String>();
+
+	}
+
+	/**
+	 * Adds the new user.
+	 *
+	 * @param userDetails the user details
+	 * @return true, if successful
+	 */
+	@Override
+	public boolean addNewUser(UserDetails userDetails) {
+		return this.dataStoreFactory.getUserDataStore().addNewUser(userDetails);
+	}
+
+
+
+}

SplitWiseImpl/src/com/dataStore/UserDataStore.java

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+package com.dataStore;
+
+import java.util.HashMap;
+
+import com.dataStore.interfaces.IUserDataStore;
+import com.user.UserDetails;
+
+/**
+ * The Class UserDataStore.
+ */
+public class UserDataStore implements IUserDataStore {
+
+	/** The user detail map. */
+	HashMap<String, UserDetails> userDetailMap = new HashMap<String, UserDetails>();
+
+	/**
+	 * Gets the user details.
+	 *
+	 * @param userId the user id
+	 * @return the user details
+	 */
+	@Override
+	public UserDetails getUserDetails(String userId) {
+		// TODO Auto-generated method stub
+		return this.userDetailMap.get(userId);
+	}
+
+	/**
+	 * Adds the new user.
+	 *
+	 * @param userDetails the user details
+	 * @return true, if successful
+	 */
+	@Override
+	public boolean addNewUser(UserDetails userDetails) {
+		if (userDetails != null && userDetails.getUserId() != null && !userDetails.getUserId().equals("")) {
+			this.userDetailMap.put(userDetails.getUserId(), userDetails);
+
+			return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Delete user.
+	 *
+	 * @param userId the user id
+	 * @return true, if successful
+	 */
+	@Override
+	public boolean deleteUser(String userId) {
+		if (userId != null && !userId.equals("")) {
+			this.userDetailMap.remove(userId);
+
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * Update user details.
+	 *
+	 * @param userId the user id
+	 * @param userDetails the user details
+	 * @return true, if successful
+	 */
+	@Override
+	public boolean updateUserDetails(String userId, UserDetails userDetails) {
+		if (userId != null && !userId.equals("") && userDetails != null) {
+			if (userDetails.getName() != null) {
+				this.userDetailMap.get(userId).setName(userDetails.getName());
+			}
+
+			if (userDetails.getEmail() != null) {
+				this.userDetailMap.get(userId).setEmail(userDetails.getEmail());
+			}
+
+			if (userDetails.getPhoneNumber() != null) {
+				this.userDetailMap.get(userId).setPhoneNumber(userDetails.getPhoneNumber());
+			}
+
+			return true;
+		}
+		return false;
+	}
+
+}