diff options
Diffstat (limited to 'invoice')
| -rw-r--r-- | invoice/controller.go | 153 | ||||
| -rw-r--r-- | invoice/hooks.go | 57 | ||||
| -rw-r--r-- | invoice/invoice.go | 61 | ||||
| -rw-r--r-- | invoice/router.go | 32 | ||||
| -rw-r--r-- | invoice/service.go | 74 | ||||
| -rw-r--r-- | invoice/validators.go | 71 | 
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 +}  |