added backend implementation

backend/models/issuesModel.js

@@ -0,0 +1,71 @@
+import ownConn from "../dbConfig.js";
+
+//get all issues
+export const getAllIssues = async (result) => {
+    try {
+        let sql = `SELECT * FROM issues ORDER BY primaryID ASC`;
+        const results = await ownConn.execute(sql)
+        result(null, results);
+    }
+    catch (err) {
+        // Manage Errors
+        console.log("SQL error : ", err);
+        result(err, null);
+    }
+};
+
+//get single issue 
+export const getIssueById = async (id, result) => {
+    try {
+        let sql = `SELECT * FROM issues WHERE primaryID = ? ORDER BY primaryID ASC`;
+        const results = await ownConn.execute(sql, [id])
+        result(null, results);
+    }
+    catch (err) {
+        // Manage Errors
+        console.log("SQL error : ", err);
+        result(err, null);
+    }
+};
+
+// Update issue to Database
+export const updateIssueById = async (data, result) => {
+    try {
+        const id = data.primaryID;
+        let sql = `UPDATE issues SET name = ?, type = ? , state = ?, amount = ?, properties = ? WHERE primaryID = ?`;
+        const results = await ownConn.query(sql, [data.name, data.type, data.state, data.amount, data.properties, id])
+        result(null, results);
+    }
+    catch (err) {
+        // Manage Errors
+        console.log("SQL error : ", err);
+        result(err, null);
+    }
+};
+
+// Delete issue to Database
+export const deleteIssueById = async (id, result) => {
+    try {
+        let sql = `DELETE FROM issues WHERE primaryID = ?`;
+        const results = await ownConn.query(sql, [id])
+        result(null, results);
+    }
+    catch (err) {
+        // Manage Errors
+        console.log("SQL error : ", err);
+        result(err, null);
+    }
+};
+
+//insert issue to databased
+export const insertIssue = async (data, result) => {
+    try {
+        const results = await ownConn.query(`INSERT INTO issues(name, type, state, amount, properties) VALUES(?, ?, ?, ?, ?)`, [data.name, data.type, data.state, data.amount, data.properties])
+        result(null, results);
+    }
+    catch (err) {
+        // Manage Errors
+        console.log("SQL error : ", err);
+        result(err, null);
+    }
+};