first commit

index.js

@@ -7,16 +7,30 @@ Practice accessing data by console.log-ing the following pieces of data note.
 
 💡 HINT: You may want to filter the data first 😉*/
 
+const finals2014 = fifaData.filter(function(match){
+    return match.Year === 2014 && match.Stage === 'Final'
+});
+console.log(finals2014);
+
 //(a) Home Team name for 2014 world cup final
 
+console.log(finals2014[0]["Home Team Name"]);
+
 //(b) Away Team name for 2014 world cup final
 
+console.log(finals2014[0]["Away Team Name"]);
+
 //(c) Home Team goals for 2014 world cup final
 
+console.log(finals2014[0]["Home Team Goals"]);
+
 //(d) Away Team goals for 2014 world cup final
 
+console.log(finals2014[0]["Away Team Goals"]);
+
 //(e) Winner of 2014 world cup final */
 
+console.log(finals2014[0]["Win conditions"]);
 
 /* 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 Task 2: 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 
 Use getFinals to do the following:
@@ -26,9 +40,15 @@ Use getFinals to do the following:
 💡 HINT - you should be looking at the stage key inside of the objects
 */
 
-function getFinals(/* code here */) {
-    /* code here */
+function getFinals(data) {
+    let finalData = []
+    for (let i=0; i<data.length; i++){
+        if (data[i].Stage === 'Final'){
+            finalData.push(data[i])
+        }
+    }return finalData
  }
+console.log(getFinals(fifaData));
 
 
 
@@ -38,8 +58,9 @@ Use the higher-order function called getYears to do the following:
 2. Receive a callback function as the second parameter that will take getFinals from task 2 as an argument
 3. Return an array called years containing all of the years in the getFinals data set*/
 
-function getYears(/* code here */) {
-    /* code here */
+function getYears(data, getFinals) {
+    const years = getFinals(data)
+    return years.map(item => item.Year)
 }
 
 
@@ -52,8 +73,11 @@ Use the higher-order function getWinners to do the following:
 💡 HINT: Don't worry about ties for now (Please see the README file for info on ties for a stretch goal.)
 4. Returns the names of all winning countries in an array called `winners` */ 
 
-function getWinners(/* code here */) {
-    /* code here */
+function getWinners(data, getFinals) {
+    let finals = getFinals(data)
+    let winners = finals.map(teams => {
+        return teams['Home Team Goals'] > teams['Away Team Goals'] ? teams['Home Team Name'] : teams['Away Team Name'] }); 
+    return winners
 }
 
 
@@ -69,8 +93,14 @@ Use the higher-order function getWinnersByYear to do the following:
 💡 HINT: the strings returned need to exactly match the string in step 4.
  */
 
-function getWinnersByYear(/* code here */) {
-    /* code here */
+function getWinnersByYear(data, getFinals, getYears) {
+    const winnerYear = [];
+    const year = getYears(data, getFinals);
+    const country = getWinners(data, getFinals);
+    for (let x = 0; x < year.length; x++) {
+        winnerYear.push(`In ${year[x]}, ${country[x]} won the world cup!`)
+    }
+    return winnerYear
 }
 
 
@@ -89,9 +119,17 @@ Use the higher order function `getAverageGoals` to do the following:
 
 */
 
-function getAverageGoals(/* code here */) {
-    /* code here */
- }
+function getAverageGoals(data) {
+    let homeGoals = data.reduce((x, y) => {
+        return x += y["Home Team Goals"];
+    }, 0) / data.length;
+    let awayGoals = data.reduce((x, y) => {
+        return x += y["Away Team Goals"];
+    }, 0) / data.length;
+    return (homeGoals+awayGoals).toFixed(2);
+};
+
+console.log(getAverageGoals(fifaData));