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-rw-r--r--invoice/controller.go153
-rw-r--r--invoice/hooks.go57
-rw-r--r--invoice/invoice.go61
-rw-r--r--invoice/router.go32
-rw-r--r--invoice/service.go74
-rw-r--r--invoice/validators.go71
6 files changed, 448 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",
+ })
+}
diff --git a/invoice/hooks.go b/invoice/hooks.go
new file mode 100644
index 0000000..3d933fb
--- /dev/null
+++ b/invoice/hooks.go
@@ -0,0 +1,57 @@
+/* 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 (
+ "gorm.io/gorm"
+ "vidhukant.com/openbills/errors"
+)
+
+func (i *Invoice) BeforeSave(tx *gorm.DB) error {
+ var err error
+
+ err = i.validate()
+ if err != nil {
+ return err
+ }
+
+ return nil
+}
+
+func (i *Invoice) BeforeDelete(tx *gorm.DB) error {
+ // if ID is 0, invoice won't be deleted
+ if i.ID == 0 {
+ return errors.ErrNoWhereCondition
+ }
+
+ var err error
+
+ // delete billing address
+ err = db.Where("invoice_id = ?", i.ID).Delete(&InvoiceBillingAddress{}).Error
+ if err != nil {
+ return err
+ }
+
+ // delete shipping address
+ err = db.Where("invoice_id = ?", i.ID).Delete(&InvoiceShippingAddress{}).Error
+ if err != nil {
+ return err
+ }
+
+ return nil
+}
diff --git a/invoice/invoice.go b/invoice/invoice.go
new file mode 100644
index 0000000..0f4a601
--- /dev/null
+++ b/invoice/invoice.go
@@ -0,0 +1,61 @@
+/* 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 (
+ "gorm.io/gorm"
+ d "vidhukant.com/openbills/db"
+ "vidhukant.com/openbills/user"
+ c "vidhukant.com/openbills/customer"
+ "time"
+)
+
+var db *gorm.DB
+func init() {
+ db = d.DB
+
+ db.AutoMigrate(&Invoice{}, &InvoiceBillingAddress{}, &InvoiceShippingAddress{})
+}
+
+type InvoiceBillingAddress struct {
+ gorm.Model
+ c.Address
+ InvoiceID uint
+}
+
+type InvoiceShippingAddress struct {
+ gorm.Model
+ c.Address
+ InvoiceID uint
+}
+
+type Invoice struct {
+ gorm.Model
+ UserID uint `json:"-"`
+ User user.User `json:"-"`
+ InvoiceDate time.Time
+ InvoiceNumber uint
+ BillingAddress InvoiceBillingAddress
+ ShippingAddress InvoiceShippingAddress
+ Draft bool
+
+ // Transporter Transporter
+ // DueDate string
+ // TransactionID string
+ // Client idk
+}
diff --git a/invoice/router.go b/invoice/router.go
new file mode 100644
index 0000000..5536466
--- /dev/null
+++ b/invoice/router.go
@@ -0,0 +1,32 @@
+/* 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 (
+ "github.com/gin-gonic/gin"
+)
+
+func Routes(route *gin.RouterGroup) {
+ g := route.Group("/invoice")
+ {
+ g.GET("/", handleGetInvoices)
+ g.GET("/:id", handleGetSingleInvoice)
+ g.POST("/", handleSaveInvoice)
+ g.DELETE("/:id", handleDelInvoice)
+ }
+}
diff --git a/invoice/service.go b/invoice/service.go
new file mode 100644
index 0000000..6b59949
--- /dev/null
+++ b/invoice/service.go
@@ -0,0 +1,74 @@
+/* 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"
+)
+
+func getInvoice(invoice *Invoice, id uint) error {
+ res := db.Preload("BillingAddress").Preload("ShippingAddress").Find(&invoice, id)
+
+ // TODO: handle potential errors
+ if res.Error != nil {
+ return res.Error
+ }
+
+ if res.RowsAffected == 0 {
+ return e.ErrNotFound
+ }
+
+ return nil
+}
+
+func getInvoices(invoices *[]Invoice, userId uint) error {
+ res := db.Where("user_id = ?", userId).Find(&invoices)
+
+ // TODO: handle potential errors
+ if res.Error != nil {
+ return res.Error
+ }
+
+ if res.RowsAffected == 0 {
+ return e.ErrEmptyResponse
+ }
+
+ return nil
+}
+
+func (i *Invoice) upsert() error {
+ res := db.Save(i)
+ // TODO: handle potential errors
+ return res.Error
+}
+
+func (i *Invoice) del() error {
+ res := db.Where("id = ? and user_id = ?", i.ID, i.UserID).Delete(i)
+
+ // TODO: handle potential errors
+ if res.Error != nil {
+ return res.Error
+ }
+
+ // returns 404 if either row doesn't exist or if the user doesn't own it
+ if res.RowsAffected == 0 {
+ return e.ErrNotFound
+ }
+
+ return nil
+}
diff --git a/invoice/validators.go b/invoice/validators.go
new file mode 100644
index 0000000..645bdff
--- /dev/null
+++ b/invoice/validators.go
@@ -0,0 +1,71 @@
+/* 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 (
+ //"regexp"
+ //"strings"
+ //"net/mail"
+ //"net/url"
+ "vidhukant.com/openbills/errors"
+ //e "errors"
+)
+
+func (i *Invoice) validate() error {
+ var count int64
+ err := db.Model(&Invoice{}).
+ Where("user_id = ? and invoice_number = ?", i.UserID, i.InvoiceNumber).
+ Count(&count).
+ Error
+
+ if err != nil {
+ return err
+ }
+
+ if count > 0 {
+ return errors.ErrNonUniqueInvoiceNumber
+ }
+
+ return nil
+}
+
+func checkInvoiceOwnership(invoiceId, userId uint) error {
+ var invoice Invoice
+ err := db.
+ Select("id", "user_id").
+ Where("id = ?", invoiceId).
+ Find(&invoice).
+ Error
+
+ // TODO: handle potential errors
+ if err != nil {
+ return err
+ }
+
+ // invoice doesn't exist
+ if invoice.ID == 0 {
+ return errors.ErrNotFound
+ }
+
+ // user doesn't own this invoice
+ if invoice.UserID != userId {
+ return errors.ErrForbidden
+ }
+
+ return nil
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 15:09:49 +0000