first commit

backend/dbRequest/dbRequest.go

@@ -0,0 +1,35 @@
+package dbRequest
+
+import (
+	"backend/models"
+	"fmt"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+var DBCreate string = `CREATE TABLE IF NOT EXISTS users (
+						id INTEGER PRIMARY KEY AUTOINCREMENT,
+						username TEXT NOT NULL,
+						role TEXT NOT NULL,
+						password TEXT NOT NULL,
+						settings TEXT NOT NULL
+						);`
+
+var DBNewUser string = `INSERT INTO users (username, role, password, settings) VALUES (?, ?, ?, ?)`
+var DBQueryPassword string = `SELECT role, password, settings FROM users WHERE username = ?`
+var DBUserLookup string = `SELECT EXISTS(SELECT 1 FROM users WHERE username = ?)`
+var DBRemoveUser string = `DELETE FROM users WHERE username = $1`
+var DBUpdateSettings string = `UPDATE users SET settings = ? WHERE username = ?`
+
+func CheckDBError(c *gin.Context, username string, err error) bool {
+	if err != nil {
+		if err.Error() == "sql: no rows in result set" {
+			c.JSON(http.StatusBadRequest, models.NewJsonErrorMessageResponse(fmt.Sprintf("no user '%s' found", username)))
+			return true
+		}
+		c.JSON(http.StatusBadRequest, models.NewJsonErrorResponse(err))
+		return true
+	}
+	return false
+}