Skip to content

Refactored FundingRaised. #10

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Refactored FundingRaised. #10

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions java/funding-raised/pom.xml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,10 @@
<version>1.0-SNAPSHOT</version>
<name>funding-raised</name>
<url>http://maven.apache.org</url>
<properties>
<maven.compiler.source>11</maven.compiler.source>
<maven.compiler.target>11</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
Expand Down
30 changes: 30 additions & 0 deletions java/funding-raised/src/main/java/com/checkr/interviews/Columns.java
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,30 @@
package com.acme.interviews;

public enum Columns {
PERMALINK("permalink", 0),
COMPANY_NAME("company_name", 1),
NUMBER_EMPLOYEES("number_employees", 2),
CATEGORY("category", 3),
CITY("city", 4),
STATE("state", 5),
FUNDED_DATE("funded_date", 6),
RAISED_AMOUNT("raised_amount", 7),
RAISED_CURRENCY("raised_currency", 8),
ROUND("round", 9);

private String columnName;
private int order;

Columns(String columnName, int order) {
this.columnName = columnName;
this.order = order;
}

public String getColumnName() {
return columnName;
}

public int getOrder() {
return order;
}
}
219 changes: 71 additions & 148 deletions java/funding-raised/src/main/java/com/checkr/interviews/FundingRaised.java
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,186 +1,109 @@
package com.acme.interviews;

import java.util.*;

import com.opencsv.CSVReader;

import java.io.FileReader;
import java.io.IOException;

public class FundingRaised {
public static List<Map<String, String>> where(Map<String, String> options) throws IOException {
List<String[]> csvData = new ArrayList<String[]>();
CSVReader reader = new CSVReader(new FileReader("startup_funding.csv"));
String[] row = null;
List<String[]> csvData = readCSVFile("startup_funding.csv");

while((row = reader.readNext()) != null) {
csvData.add(row);
for (Columns c : Columns.values()) {
if (options.containsKey(c.getColumnName())) {
csvData = fındOptions(c, options.get(c.getColumnName()), csvData);
}
}
return constructResultMap(csvData);
}

reader.close();
csvData.remove(0);

if(options.containsKey("company_name")) {
List<String[]> results = new ArrayList<String[]> ();
public static Map<String, String> findBy(Map<String, String> options) throws IOException, NoSuchEntryException {
List<String[]> csvData = readCSVFile("startup_funding.csv");

for(int i = 0; i < csvData.size(); i++) {
if(csvData.get(i)[1].equals(options.get("company_name"))) {
results.add(csvData.get(i));
}
Map<String, String> mapped = new HashMap<String, String>();
for (int i = 0; i < csvData.size(); i++) {
mapped = foundData(options, csvData.get(i));
if (mapped.isEmpty()) {
continue;
}
csvData = results;
return mapped;
}
throw new NoSuchEntryException();
}

if(options.containsKey("city")) {
List<String[]> results = new ArrayList<String[]> ();

for(int i = 0; i < csvData.size(); i++) {
if(csvData.get(i)[4].equals(options.get("city"))) {
results.add(csvData.get(i));
}
}
csvData = results;
public static void main(String[] args) {
try {
Map<String, String> options = new HashMap<String, String>();
options.put("company_name", "Facebook");
options.put("round", "a");
System.out.print(FundingRaised.where(options).size());
} catch (IOException e) {
System.out.print(e.getMessage());
System.out.print("error");
}
}

if(options.containsKey("state")) {
List<String[]> results = new ArrayList<String[]> ();
private static List<String[]> readCSVFile(String fileName) throws IOException {
CSVReader reader = new CSVReader(new FileReader(fileName));
String[] row = reader.readNext();
List<String[]> csvData = new ArrayList<String[]>();

for(int i = 0; i < csvData.size(); i++) {
if(csvData.get(i)[5].equals(options.get("state"))) {
results.add(csvData.get(i));
}
}
csvData = results;
while (row != null) {
csvData.add(row);
row = reader.readNext();
}
reader.close();
if (csvData.size() > 0) {
csvData.remove(0);
}
return csvData;
}

if(options.containsKey("round")) {
List<String[]> results = new ArrayList<String[]> ();

for(int i = 0; i < csvData.size(); i++) {
if(csvData.get(i)[9].equals(options.get("round"))) {
results.add(csvData.get(i));
}
private static List<String[]> fındOptions(Columns column, String value, List<String[]> csvData) {
List<String[]> results = new ArrayList<>();
for (int i = 0; i < csvData.size(); i++) {
if (csvData.get(i)[column.getOrder()].equals(value)) {
results.add(csvData.get(i));
}
csvData = results;
}
return results;
}

List<Map<String, String>> output = new ArrayList<Map<String, String>>();

for(int i = 0; i < csvData.size(); i++) {
Map<String, String> mapped = new HashMap<String, String> ();
mapped.put("permalink", csvData.get(i)[0]);
mapped.put("company_name", csvData.get(i)[1]);
mapped.put("number_employees", csvData.get(i)[2]);
mapped.put("category", csvData.get(i)[3]);
mapped.put("city", csvData.get(i)[4]);
mapped.put("state", csvData.get(i)[5]);
mapped.put("funded_date", csvData.get(i)[6]);
mapped.put("raised_amount", csvData.get(i)[7]);
mapped.put("raised_currency", csvData.get(i)[8]);
mapped.put("round", csvData.get(i)[9]);
output.add(mapped);
private static List<Map<String, String>> constructResultMap(List<String[]> csvData) {
List<Map<String, String>> output = new ArrayList<>();
for (int i = 0; i < csvData.size(); i++) {
output.add(putColumns(csvData.get(i)));
}

return output;
}

public static Map<String, String> findBy(Map<String, String> options) throws IOException, NoSuchEntryException {
List<String[]> csvData = new ArrayList<String[]>();
CSVReader reader = new CSVReader(new FileReader("startup_funding.csv"));
String[] row = null;

while((row = reader.readNext()) != null) {
csvData.add(row);
private static Map<String, String> putColumns(String[] csvData) {
Map<String, String> mapped = new HashMap<>();
for (Columns c : Columns.values()) {
mapped.put(c.getColumnName(), csvData[c.getOrder()]);
}
return mapped;
}

reader.close();
csvData.remove(0);
Map<String, String> mapped = new HashMap<String, String> ();

for(int i = 0; i < csvData.size(); i++) {
if(options.containsKey("company_name")) {
if(csvData.get(i)[1].equals(options.get("company_name"))) {
mapped.put("permalink", csvData.get(i)[0]);
mapped.put("company_name", csvData.get(i)[1]);
mapped.put("number_employees", csvData.get(i)[2]);
mapped.put("category", csvData.get(i)[3]);
mapped.put("city", csvData.get(i)[4]);
mapped.put("state", csvData.get(i)[5]);
mapped.put("funded_date", csvData.get(i)[6]);
mapped.put("raised_amount", csvData.get(i)[7]);
mapped.put("raised_currency", csvData.get(i)[8]);
mapped.put("round", csvData.get(i)[9]);
} else {
continue;
}
}

if(options.containsKey("city")) {
if(csvData.get(i)[4].equals(options.get("city"))) {
mapped.put("permalink", csvData.get(i)[0]);
mapped.put("company_name", csvData.get(i)[1]);
mapped.put("number_employees", csvData.get(i)[2]);
mapped.put("category", csvData.get(i)[3]);
mapped.put("city", csvData.get(i)[4]);
mapped.put("state", csvData.get(i)[5]);
mapped.put("funded_date", csvData.get(i)[6]);
mapped.put("raised_amount", csvData.get(i)[7]);
mapped.put("raised_currency", csvData.get(i)[8]);
mapped.put("round", csvData.get(i)[9]);
} else {
continue;
}
}

if(options.containsKey("state")) {
if(csvData.get(i)[5].equals(options.get("state"))) {
mapped.put("permalink", csvData.get(i)[0]);
mapped.put("company_name", csvData.get(i)[1]);
mapped.put("number_employees", csvData.get(i)[2]);
mapped.put("category", csvData.get(i)[3]);
mapped.put("city", csvData.get(i)[4]);
mapped.put("state", csvData.get(i)[5]);
mapped.put("funded_date", csvData.get(i)[6]);
mapped.put("raised_amount", csvData.get(i)[7]);
mapped.put("raised_currency", csvData.get(i)[8]);
mapped.put("round", csvData.get(i)[9]);
} else {
continue;
}
}

if(options.containsKey("round")) {
if(csvData.get(i)[9].equals(options.get("round"))) {
mapped.put("permalink", csvData.get(i)[0]);
mapped.put("company_name", csvData.get(i)[1]);
mapped.put("number_employees", csvData.get(i)[2]);
mapped.put("category", csvData.get(i)[3]);
mapped.put("city", csvData.get(i)[4]);
mapped.put("state", csvData.get(i)[5]);
mapped.put("funded_date", csvData.get(i)[6]);
mapped.put("raised_amount", csvData.get(i)[7]);
mapped.put("raised_currency", csvData.get(i)[8]);
mapped.put("round", csvData.get(i)[9]);
private static Map<String, String> foundData(Map<String, String> options, String[] csvData) {
Map<String, String> mapped = new HashMap<>();
int foundTimes = 0;
for (Columns c : Columns.values()) {
if(options.containsKey(c.getColumnName())){
if(csvData[c.getOrder()].equals(options.get(c.getColumnName()))){
mapped = putColumns(csvData);
foundTimes++;
} else {
continue;
break;
}
}

return mapped;
}

throw new NoSuchEntryException();
}

public static void main(String[] args) {
try {
Map<String, String> options = new HashMap<String, String> ();
options.put("company_name", "Facebook");
options.put("round", "a");
System.out.print(FundingRaised.where(options).size());
} catch(IOException e) {
System.out.print(e.getMessage());
System.out.print("error");
}
return foundTimes == options.size() ? mapped : new HashMap<>();
}
}

class NoSuchEntryException extends Exception {}
class NoSuchEntryException extends Exception {
}