SEI 24 AURELIA

index.js

@@ -1,36 +1,91 @@
 console.log("works!!", process.argv[2]);
-
+const operation = process.argv[2];
+const chore = process.argv[3];
+let choreStatus = "[ ]";
 const pg = require('pg');
 
 const configs = {
-    user: 'akira',
+    user: 'aurelialim',
     host: '127.0.0.1',
     database: 'todo',
     port: 5432,
 };
 
 const client = new pg.Client(configs);
 
-let queryDoneCallback = (err, result) => {
-    if (err) {
-      console.log("query error", err.message);
-    } else {
-      console.log("result", result.rows );
-    }
-    client.end();
-};
 
-let clientConnectionCallback = (err) => {
 
-  if( err ){
-    console.log( "error", err.message );
-  }
+client.connect((error)=> {
+    if(error){
+        console.log('ERROR AT CONNECT', error.message)
+    } else {
+        if(operation ==="add"){
 
-  let text = "INSERT INTO todo (name) VALUES ($1) RETURNING id";
+            queryText = 'INSERT INTO items (name, done) VALUES ($1, $2) RETURNING name';
+            values = [chore, choreStatus];
+            client.query(queryText,values, (err, res) => {
+            if (err) {
+            console.log("query error", err.message);
+            } else {
+            console.log("result", res.rows);
+    }
+  });
+        } else if (operation ==='show'){
+            queryText = 'SELECT * FROM items';
+            client.query(queryText, (err, res) => {
+            if (err) {
+            console.log("query error", err.message);
+            } else {
+            console.log("here are your tasks", res.rows);
+    }
+  });
 
-  const values = ["hello"];
+        } else if(operation ==="done"){
+            let id = parseInt(chore);
 
-  client.query(text, values, queryDoneCallback);
-};
+            queryText = `UPDATE items SET done='[X]', doneAt= NOW() WHERE id =${id} RETURNING name, doneAt,timeTaken`;
+            client.query(queryText, (err, res) => {
+            if (err) {
+            console.log("query error", err.message);
+            } else {
+            console.log("done[X]", res.rows);
+    }
+  });
+
+        } else if (operation === 'stats' && chore === "complete-time"){
+            queryText = 'SELECT AVG(doneAt-createdAt) FROM items';
+            client.query(queryText, (err, res) => {
+            if (err) {
+            console.log("query error", err.message);
+            } else {
+            console.log(res.rows);
+    }
+        })
+    } else if (operation === 'stats' && chore === "add-time"){
+        queryText = "SELECT COUNT(id), DATE_TRUNC('day',createdAt) FROM items GROUP BY DATE_TRUNC('day',createdAt)"
+        client.query(queryText, (err, res) => {
+            if (err) {
+            console.log("query error", err.message);
+            } else {
+                let listobj = res.rows;
+                let counter =0;
+                for(i=0; i<listobj.length; i++){
+                    counter += listobj[i].count
+                    let average = counter/listobj.length;
+                    console.log("The average added per day is", average)
+                }
 
-client.connect(clientConnectionCallback);
+    }
+        })
+    } else if(operation === 'stats' && chore === "best-worst") {
+        queryText ="select name, EXTRACT(epoch FROM doneAt-createdAt) AS timeTaken FROM items WHERE doneAt IS NOT NULL ORDER BY timeTaken ASC";
+        client.query(queryText, (err, res) => {
+            if(err){
+                console.log("query error", err.message);
+            } else {
+               console.log(res.rows);
+            }
+        })
+    }
+}
+})