Added null checking and linting

backend/.editorconfig

@@ -0,0 +1,9 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = false
+insert_final_newline = false

backend/main.go

@@ -77,7 +77,7 @@ func connect() {
 
 		switch method {
 		case "test":
-        err = db.QueryRow("SELECT employeename FROM employee WHERE uname = 'TEST'").Scan(&result)
+			err = db.QueryRow("SELECT IFNULL(employeename, '') FROM employee WHERE uname = ?", "TEST").Scan(&result)
 			if err != nil {
 				c.AbortWithError(http.StatusBadRequest, err)
 				c.String(http.StatusBadRequest, err.Error())
@@ -98,7 +98,7 @@ func connect() {
 		case "get-listopapproval-electrical":
 			array := []string{}
 
-        results, err := db.Query("SELECT DISTINCT electricalid as result FROM electricaldocflowtxn WHERE remarks = 'FOR ELECTRICAL ORDER OF PAYMENT APPROVAL'")
+			results, err := db.Query("SELECT DISTINCT IFNULL(electricalid, '') as result FROM electricaldocflowtxn WHERE remarks = ?", "FOR ELECTRICAL ORDER OF PAYMENT APPROVAL")
 			if err != nil {
 				c.AbortWithError(http.StatusBadRequest, err)
 				c.String(http.StatusBadRequest, err.Error())
@@ -121,7 +121,7 @@ func connect() {
 			array := []string{}
 			array2 := []string{}
 
-        results, err := db.Query("SELECT employeeid as result, employeename as result2 FROM employee WHERE is_assessment = 1")
+			results, err := db.Query("SELECT IFNULL(employeeid, '') AS result, IFNULL(employeename, '') AS result2 FROM employee WHERE is_assessment = ? AND is_delete = ? AND employeename NOT LIKE ? AND employeename NOT LIKE ?", 1, 0, "%OFFICE%", "%TEST%")
 			if err != nil {
 				c.AbortWithError(http.StatusBadRequest, err)
 				c.String(http.StatusBadRequest, err.Error())
@@ -156,7 +156,7 @@ func connect() {
 
 		switch method {
 		case "check-building":
-        err = db.QueryRow("SELECT COUNT(receivingid) AS result FROM receiving WHERE applicationNo = ?", data).Scan(&result)
+			err = db.QueryRow("SELECT IFNULL(COUNT(receivingid), 0) AS result FROM receiving WHERE applicationNo = ?", data).Scan(&result)
 			if err != nil {
 				c.AbortWithError(http.StatusBadRequest, err)
 				c.String(http.StatusBadRequest, err.Error())
@@ -166,7 +166,7 @@ func connect() {
 			})
 
 		case "check-occupancy":
-        err = db.QueryRow("SELECT COUNT(occupancyid) AS result FROM occupancy WHERE controlNo = ?", data).Scan(&result)
+			err = db.QueryRow("SELECT IFNULL(COUNT(occupancyid), 0) AS result FROM occupancy WHERE controlNo = ?", data).Scan(&result)
 			if err != nil {
 				c.AbortWithError(http.StatusBadRequest, err)
 				c.String(http.StatusBadRequest, err.Error())
@@ -176,7 +176,7 @@ func connect() {
 			})
 
 		case "check-signage":
-        err = db.QueryRow("SELECT COUNT(signageid) AS result FROM signage WHERE signApplicationNo = ?", data).Scan(&result)
+			err = db.QueryRow("SELECT IFNULL(COUNT(signageid), 0) AS result FROM signage WHERE signApplicationNo = ?", data).Scan(&result)
 			if err != nil {
 				c.AbortWithError(http.StatusBadRequest, err)
 				c.String(http.StatusBadRequest, err.Error())
@@ -186,7 +186,7 @@ func connect() {
 			})
 
 		case "check-electrical":
-        err = db.QueryRow("SELECT COUNT(electricalid) AS result FROM electrical WHERE electricalNo = ?", data).Scan(&result)
+			err = db.QueryRow("SELECT IFNULL(COUNT(electricalid), 0) AS result FROM electrical WHERE electricalNo = ?", data).Scan(&result)
 			if err != nil {
 				c.AbortWithError(http.StatusBadRequest, err)
 				c.String(http.StatusBadRequest, err.Error())
@@ -196,7 +196,7 @@ func connect() {
 			})
 
 		case "check-mechanical":
-        err = db.QueryRow("SELECT COUNT(mechanicalid) AS result FROM mechanical WHERE mechApplicationNo = ?", data).Scan(&result)
+			err = db.QueryRow("SELECT IFNULL(COUNT(mechanicalid), 0) AS result FROM mechanical WHERE mechApplicationNo = ?", data).Scan(&result)
 			if err != nil {
 				c.AbortWithError(http.StatusBadRequest, err)
 				c.String(http.StatusBadRequest, err.Error())
@@ -240,7 +240,7 @@ func connect() {
 		case "get-owner-electrical":
 			var result2, result3, result4 string
 
-			err = db.QueryRow("SELECT c.firstName AS result, c.middleInitial AS result2, c.lastName AS result3, c.address AS result4 FROM customer c, electrical e WHERE e.customerid = c.customerid AND e.electricalNo = ?", data).Scan(&result, &result2, &result3, &result4)
+			err = db.QueryRow("SELECT IFNULL(c.firstName, '') AS result, IFNULL(c.middleInitial, '') AS result2, IFNULL(c.lastName, '') AS result3, IFNULL(c.address, '') AS result4 FROM customer c, electrical e WHERE e.customerid = c.customerid AND e.electricalNo = ?", data).Scan(&result, &result2, &result3, &result4)
 			if err != nil {
 				c.AbortWithError(http.StatusBadRequest, err)
 				c.String(http.StatusBadRequest, err.Error())
@@ -258,7 +258,7 @@ func connect() {
 			array := []string{}
 			array2 := []string{}
 
-			results, err := db.Query(`SELECT DATE_FORMAT(b.datetransac, '%M %d, %Y') AS result, REPLACE(REPLACE(b.remarks, 'RECEIVING', 'RECEIVED'), 'PERMIT ALREADY RELEASE', 'PERMIT RELEASED')  AS result2 
+			results, err := db.Query(`SELECT IFNULL(DATE_FORMAT(b.datetransac, '%M %d, %Y'), '') AS result, IFNULL(REPLACE(REPLACE(b.remarks, 'RECEIVING', 'RECEIVED'), 'PERMIT ALREADY RELEASE', 'PERMIT RELEASED'), '')  AS result2 
 									FROM docflowtxn b, receiving r WHERE r.receivingid = b.receivingid AND r.applicationNo = ? ORDER BY b.docflowtxnid DESC`, data)
 			if err != nil {
 				c.AbortWithError(http.StatusBadRequest, err)
@@ -284,7 +284,7 @@ func connect() {
 			array := []string{}
 			array2 := []string{}
 
-			results, err := db.Query(`SELECT DATE_FORMAT(b.txndate, '%M %d, %Y') AS result, REPLACE(b.remarks, 'RECEIVE', 'RECEIVED') AS result2
+			results, err := db.Query(`SELECT IFNULL(DATE_FORMAT(b.txndate, '%M %d, %Y')0 '') AS result, REPLACE(b.remarks, 'RECEIVE', 'RECEIVED') AS result2
 									FROM occupancydocflowtxn b, occupancy o WHERE o.occupancyid = b.occupancyreceivingid AND o.controlNo = ? ORDER BY b.occupancydocflowtxnid DESC`, data)
 			if err != nil {
 				c.AbortWithError(http.StatusBadRequest, err)
@@ -310,7 +310,7 @@ func connect() {
 			array := []string{}
 			array2 := []string{}
 
-			results, err := db.Query(`SELECT DATE_FORMAT(b.txndate, '%M %d, %Y') AS result, b.remarks AS result2
+			results, err := db.Query(`SELECT IFNULL(DATE_FORMAT(b.txndate, '%M %d, %Y'), '') AS result, IFNULL(b.remarks, '') AS result2
 			FROM electricaldocflowtxn b, electrical e WHERE e.electricalid = b.electricalid AND e.electricalNo = ? ORDER BY b.electricaldocflowtxnid DESC`, data)
 			if err != nil {
 				c.AbortWithError(http.StatusBadRequest, err)
@@ -361,7 +361,6 @@ func connect() {
 				"result4": array4,
 			})
 
-
 		case "get-laststatus-building":
 			err := db.QueryRow(`SELECT IFNULL(remarks, '') AS result FROM docflowtxn WHERE docflowtxnid = (SELECT MAX(docflowtxnid) FROM docflowtxn WHERE receivingid = ?)`, data).Scan(&result)
 			if err != nil {
@@ -374,7 +373,7 @@ func connect() {
 			})
 
 		case "get-laststatus-occupancy":
-			err := db.QueryRow(`SELECT remarks AS result FROM occupancydocflowtxn WHERE occupancydocflowtxnid = (SELECT MAX(occupancydocflowtxnid) FROM occupancydocflowtxn WHERE occupancyreceivingid = ?)`, data).Scan(&result)
+			err := db.QueryRow(`SELECT IFNULL(remarks, '') AS result FROM occupancydocflowtxn WHERE occupancydocflowtxnid = (SELECT MAX(occupancydocflowtxnid) FROM occupancydocflowtxn WHERE occupancyreceivingid = ?)`, data).Scan(&result)
 			if err != nil {
 				c.AbortWithError(http.StatusBadRequest, err)
 				c.String(http.StatusBadRequest, err.Error())
@@ -384,7 +383,7 @@ func connect() {
 			})
 
 		case "get-laststatus-electrical":
-			err := db.QueryRow(`SELECT remarks AS result FROM electricaldocflowtxn  WHERE electricaldocflowtxnid = (SELECT MAX(electricaldocflowtxnid) FROM electricaldocflowtxn WHERE electricalid = ?)`, data).Scan(&result)
+			err := db.QueryRow(`SELECT IFNULL(remarks, '') AS result FROM electricaldocflowtxn  WHERE electricaldocflowtxnid = (SELECT MAX(electricaldocflowtxnid) FROM electricaldocflowtxn WHERE electricalid = ?)`, data).Scan(&result)
 			if err != nil {
 				c.AbortWithError(http.StatusBadRequest, err)
 				c.String(http.StatusBadRequest, err.Error())
@@ -394,7 +393,7 @@ func connect() {
 			})
 
 		case "get-applicationbyid-building":
-			err := db.QueryRow(`SELECT applicationNo AS result FROM receiving WHERE receivingid = ?`, data).Scan(&result)
+			err := db.QueryRow(`SELECT IFNULL(applicationNo, '') AS result FROM receiving WHERE receivingid = ?`, data).Scan(&result)
 			if err != nil {
 				c.AbortWithError(http.StatusBadRequest, err)
 				c.String(http.StatusBadRequest, err.Error())
@@ -404,7 +403,7 @@ func connect() {
 			})
 
 		case "get-applicationbyid-occupancy":
-			err := db.QueryRow(`SELECT controlNo AS result FROM occupancy WHERE occupancyid = ?`, data).Scan(&result)
+			err := db.QueryRow(`SELECT IFNULL(controlNo, '') AS result FROM occupancy WHERE occupancyid = ?`, data).Scan(&result)
 			if err != nil {
 				c.AbortWithError(http.StatusBadRequest, err)
 				c.String(http.StatusBadRequest, err.Error())
@@ -414,7 +413,7 @@ func connect() {
 			})
 
 		case "get-applicationbyid-electrical":
-			err := db.QueryRow(`SELECT electricalNo AS result FROM electrical WHERE electricalid = ?`, data).Scan(&result)
+			err := db.QueryRow(`SELECT IFNULL(electricalNo, '') AS result FROM electrical WHERE electricalid = ?`, data).Scan(&result)
 			if err != nil {
 				c.AbortWithError(http.StatusBadRequest, err)
 				c.String(http.StatusBadRequest, err.Error())
@@ -423,8 +422,6 @@ func connect() {
 				"result": result,
 			})
 
-   
-
 		case "GetFeesBuilding":
 			var result2, result3 string
 			array := []string{}