added invoice route (barebones)

1 files changed, 153 insertions, 0 deletions

diff --git a/invoice/controller.go b/invoice/controller.go
new file mode 100644
index 0000000..efcaa40
--- /dev/null
+++ b/invoice/controller.go
@@ -0,0 +1,153 @@
+/* openbills - Server for web based Libre Billing Software
+ * Copyright (C) 2023  Vidhu Kant Sharma <vidhukant@vidhukant.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package invoice
+
+import (
+	e "vidhukant.com/openbills/errors"
+	"github.com/gin-gonic/gin"
+	"net/http"
+	"strconv"
+)
+
+func handleGetSingleInvoice (ctx *gin.Context) {
+	id, err := strconv.ParseUint(ctx.Param("id"), 10, 64)
+	if err != nil {
+		ctx.Error(e.ErrInvalidID)
+		return
+	}
+
+	uId, ok := ctx.Get("UserID")
+	if !ok {
+		ctx.Error(e.ErrUnauthorized)
+		ctx.Abort()
+		return
+	}
+
+	userId := uId.(uint)
+
+	var invoice Invoice
+
+	err = getInvoice(&invoice, uint(id))
+	if err != nil {
+		ctx.Error(err)
+		ctx.Abort()
+		return
+	}
+
+	if invoice.UserID != userId {
+		ctx.Error(e.ErrForbidden)
+		ctx.Abort()
+		return
+	}
+
+	ctx.JSON(http.StatusOK, gin.H{
+		"message": "success",
+		"data": invoice,
+	})
+}
+
+func handleGetInvoices (ctx *gin.Context) {
+	var invoices []Invoice
+
+	uId, ok := ctx.Get("UserID")
+	if !ok {
+		ctx.Error(e.ErrUnauthorized)
+		ctx.Abort()
+		return
+	}
+
+	userId := uId.(uint)
+
+	err := getInvoices(&invoices, userId)
+	if err != nil {
+		ctx.Error(err)
+		ctx.Abort()
+		return
+	}
+
+	ctx.JSON(http.StatusOK, gin.H{
+		"message": "success",
+		"data": invoices,
+	})
+}
+
+func handleSaveInvoice (ctx *gin.Context) {
+	var invoice Invoice
+	ctx.Bind(&invoice)
+
+	uId, ok := ctx.Get("UserID")
+	if !ok {
+		ctx.Error(e.ErrUnauthorized)
+		ctx.Abort()
+		return
+	}
+
+	userId := uId.(uint)
+	invoice.UserID = userId
+
+	err := invoice.upsert()
+	if err != nil {
+		ctx.Error(err)
+		ctx.Abort()
+		return
+	}
+
+	ctx.JSON(http.StatusOK, gin.H{
+		"message": "success",
+		"data": invoice,
+	})
+}
+
+func handleDelInvoice (ctx *gin.Context) {
+	id, err := strconv.ParseUint(ctx.Param("id"), 10, 64)
+	if err != nil {
+		ctx.Error(e.ErrInvalidID)
+		return
+	}
+
+	var invoice Invoice
+	invoice.ID = uint(id)
+
+	uId, ok := ctx.Get("UserID")
+	if !ok {
+		ctx.Error(e.ErrUnauthorized)
+		ctx.Abort()
+		return
+	}
+
+	userId := uId.(uint)
+	invoice.UserID = userId
+
+	err = checkInvoiceOwnership(invoice.ID, invoice.UserID)
+	if err != nil {
+		ctx.Error(err)
+		ctx.Abort()
+		return
+	}
+
+	err = invoice.del()
+	if err != nil {
+		ctx.Error(err)
+		ctx.Abort()
+		return
+	}
+
+	ctx.JSON(http.StatusOK, gin.H{
+		"message": "success",
+	})
+}