+
+ Please read these terms carefully before using this software. By proceeding, you agree to the conditions below:
+
+
+
+ 1. FREE OF CHARGE & CPA EXEMPTION: This software is provided strictly "Free of Charge" and without any monetary consideration. It therefore does not constitute a "Service" under the Indian Consumer Protection Act, 2019.
+
+
+ 2. "AS IS" & NO WARRANTY: The software is provided "AS IS" . The developer provides NO WARRANTY , express or implied, regarding its performance, accuracy, security, or suitability for any purpose.
+
+
+ 3. USER ASSUMPTION OF RISK: The developer is not liable for any financial losses, data corruption, calculation errors, or legal issues resulting from the use or misuse of this application. Users assume all associated risks and agree to indemnify and hold harmless the developer.
+
+
+
+ Consult a qualified legal or financial advisor before relying on any data generated by this tool.
+
+
+
+
+ `, inv.HumanReadableID, strings.ReplaceAll(inv.CreatedAt, "T", " ")[0:10])
+
+ // Display company details above the invoice table
+ if invoice.CompanyDetails != "" {
+ fmt.Fprintf(w, `
From:
`, invoice.CompanyDetails)
+ }
+
+ if err := PrintableInvoice(invoice).Render(c.Request().Context(), w); err != nil {
+ return err
+ }
+
+ // Display buyer details and total amount in same section (50-50 split or 100% if no buyer)
+ totalGST := invoice.TotalCGST + invoice.TotalSGST + invoice.TotalIGST
+ hasBuyerInfo := invoice.BuyerName != "" || invoice.BuyerDetails != ""
+
+ if hasBuyerInfo {
+ fmt.Fprint(w, `")
+
+ fmt.Fprint(w, "
")
+ return nil
+}
+
+// AddProductRowHandler returns HTML for a new product row (HTMX endpoint)
+func (h *BillingHandlers) AddProductRowHandler(c echo.Context) error {
+ userID := getUserID(c)
+ indexStr := c.QueryParam("index")
+ index, err := strconv.Atoi(indexStr)
+ if err != nil {
+ index = 0
+ }
+
+ products, _ := h.db.GetAllProducts(userID)
+
+ // Build product options HTML
+ productOptions := `
-- Select Product -- `
+ for _, p := range products {
+ productOptions += fmt.Sprintf(`
%s (₹%.2f) `, p.SKU, p.Name, p.BasePrice)
+ }
+
+ rowHTML := fmt.Sprintf(`
+
+
+
+ Product
+ %s
+
+
+ Qty
+
+
+ ×
+
+
+
`, index, productOptions, index)
+
+ return c.HTML(http.StatusOK, rowHTML)
+}
diff --git a/internal/web/buyer.go b/internal/web/buyer.go
new file mode 100644
index 0000000..90b2bac
--- /dev/null
+++ b/internal/web/buyer.go
@@ -0,0 +1,106 @@
+package web
+
+import (
+ "billit/internal/database"
+ "net/http"
+
+ "github.com/labstack/echo/v4"
+)
+
+// BuyerHandlers holds db reference for buyer operations
+type BuyerHandlers struct {
+ db database.Service
+}
+
+// NewBuyerHandlers creates handlers with db access
+func NewBuyerHandlers(db database.Service) *BuyerHandlers {
+ return &BuyerHandlers{db: db}
+}
+
+// BuyerListHandler renders the /buyer page with all buyers
+func (h *BuyerHandlers) BuyerListHandler(c echo.Context) error {
+ userID := getUserID(c)
+ buyers, err := h.db.GetAllBuyerDetails(userID)
+ if err != nil {
+ return RenderServerError(c, "Failed to load buyers. Please try again.")
+ }
+ return Render(c, BuyerListPage(buyers))
+}
+
+// BuyerCreatePageHandler renders the /buyer/create form page
+func (h *BuyerHandlers) BuyerCreatePageHandler(c echo.Context) error {
+ return Render(c, BuyerCreatePage())
+}
+
+// BuyerEditPageHandler renders the /buyer/edit/:id form page
+func (h *BuyerHandlers) BuyerEditPageHandler(c echo.Context) error {
+ id := c.Param("id")
+ userID := getUserID(c)
+
+ buyer, err := h.db.GetBuyerDetails(id, userID)
+ if err != nil || buyer == nil {
+ return RenderNotFound(c, "Buyer not found or you don't have access to it.")
+ }
+ return Render(c, BuyerEditPage(*buyer))
+}
+
+// BuyerCreateHandler handles POST /buyer/create
+func (h *BuyerHandlers) BuyerCreateHandler(c echo.Context) error {
+ userID := getUserID(c)
+ if userID == "" {
+ return c.Redirect(http.StatusFound, "/")
+ }
+
+ name := c.FormValue("name")
+ if name == "" {
+ return c.String(http.StatusBadRequest, "Name is required")
+ }
+
+ details := c.FormValue("details")
+
+ _, err := h.db.CreateBuyerDetails(userID, name, details)
+ if err != nil {
+ return c.String(http.StatusInternalServerError, "Failed to create buyer")
+ }
+
+ return c.Redirect(http.StatusFound, "/buyer")
+}
+
+// BuyerUpdateHandler handles POST /buyer/edit/:id
+func (h *BuyerHandlers) BuyerUpdateHandler(c echo.Context) error {
+ userID := getUserID(c)
+ if userID == "" {
+ return c.Redirect(http.StatusFound, "/")
+ }
+
+ id := c.Param("id")
+ name := c.FormValue("name")
+ if name == "" {
+ return c.String(http.StatusBadRequest, "Name is required")
+ }
+
+ details := c.FormValue("details")
+
+ err := h.db.UpdateBuyerDetails(id, userID, name, details)
+ if err != nil {
+ return c.String(http.StatusInternalServerError, "Failed to update buyer")
+ }
+
+ return c.Redirect(http.StatusFound, "/buyer")
+}
+
+// BuyerDeleteHandler handles DELETE /buyer/:id
+func (h *BuyerHandlers) BuyerDeleteHandler(c echo.Context) error {
+ userID := getUserID(c)
+ if userID == "" {
+ return c.String(http.StatusUnauthorized, "Unauthorized")
+ }
+
+ id := c.Param("id")
+ err := h.db.DeleteBuyerDetails(id, userID)
+ if err != nil {
+ return c.String(http.StatusInternalServerError, "Failed to delete buyer")
+ }
+
+ return c.NoContent(http.StatusOK)
+}
diff --git a/cmd/web/efs.go b/internal/web/efs.go
similarity index 100%
rename from cmd/web/efs.go
rename to internal/web/efs.go
diff --git a/internal/web/home.go b/internal/web/home.go
new file mode 100644
index 0000000..6553e65
--- /dev/null
+++ b/internal/web/home.go
@@ -0,0 +1,37 @@
+package web
+
+import (
+ "billit/internal/database"
+
+ "github.com/labstack/echo/v4"
+)
+
+// HomeHandlers holds db reference for home page operations
+type HomeHandlers struct {
+ db database.Service
+}
+
+// NewHomeHandlers creates handlers with db access
+func NewHomeHandlers(db database.Service) *HomeHandlers {
+ return &HomeHandlers{db: db}
+}
+
+// HomePageHandler renders the home page with recent data
+func (h *HomeHandlers) HomePageHandler(c echo.Context) error {
+ userID := getUserID(c)
+ userEmail, _ := c.Get("user_email").(string)
+
+ // Get recent products (last 5)
+ recentProducts, err := h.db.GetRecentProducts(userID, 5)
+ if err != nil {
+ recentProducts = []database.Product{}
+ }
+
+ // Get recent invoices (last 5)
+ recentInvoices, err := h.db.GetRecentInvoices(userID, 5)
+ if err != nil {
+ recentInvoices = []database.Invoice{}
+ }
+
+ return Render(c, HomePage(userEmail, recentProducts, recentInvoices))
+}
diff --git a/internal/web/invoices.go b/internal/web/invoices.go
new file mode 100644
index 0000000..de93240
--- /dev/null
+++ b/internal/web/invoices.go
@@ -0,0 +1,32 @@
+package web
+
+import (
+ "billit/internal/database"
+ "net/http"
+
+ "github.com/labstack/echo/v4"
+)
+
+// InvoicesHandlers holds db reference for invoice operations
+type InvoicesHandlers struct {
+ db database.Service
+}
+
+// NewInvoicesHandlers creates handlers with db access
+func NewInvoicesHandlers(db database.Service) *InvoicesHandlers {
+ return &InvoicesHandlers{db: db}
+}
+
+// InvoicesListHandler renders the /invoice page with all invoices
+func (h *InvoicesHandlers) InvoicesListHandler(c echo.Context) error {
+ userID := getUserID(c)
+ if userID == "" {
+ return c.Redirect(http.StatusFound, "/")
+ }
+
+ invoices, err := h.db.GetAllInvoices(userID)
+ if err != nil {
+ return RenderServerError(c, "Failed to load invoices. Please try again.")
+ }
+ return Render(c, InvoicesPage(invoices))
+}
diff --git a/internal/web/product.go b/internal/web/product.go
new file mode 100644
index 0000000..2c5045d
--- /dev/null
+++ b/internal/web/product.go
@@ -0,0 +1,231 @@
+package web
+
+import (
+ "billit/internal/database"
+ "net/http"
+ "strconv"
+
+ "github.com/labstack/echo/v4"
+)
+
+// ProductHandlers holds db reference for product operations
+type ProductHandlers struct {
+ db database.Service
+}
+
+// NewProductHandlers creates handlers with db access
+func NewProductHandlers(db database.Service) *ProductHandlers {
+ return &ProductHandlers{db: db}
+}
+
+// getUserID extracts user ID from context (set by auth middleware)
+func getUserID(c echo.Context) string {
+ if uid, ok := c.Get("user_id").(string); ok {
+ return uid
+ }
+ return ""
+}
+
+// ProductListHandler renders the /product page with all products
+func (h *ProductHandlers) ProductListHandler(c echo.Context) error {
+ userID := getUserID(c)
+ products, err := h.db.GetAllProducts(userID)
+ if err != nil {
+ return RenderServerError(c, "Failed to load products. Please try again.")
+ }
+ return Render(c, ProductListPage(products))
+}
+
+// ProductCreatePageHandler renders the /product/create form page
+func (h *ProductHandlers) ProductCreatePageHandler(c echo.Context) error {
+ return Render(c, ProductCreatePage())
+}
+
+// ProductEditPageHandler renders the /product/edit/:sku form page
+func (h *ProductHandlers) ProductEditPageHandler(c echo.Context) error {
+ sku := c.Param("sku")
+ userID := getUserID(c)
+
+ product, err := h.db.GetProductBySKU(sku, userID)
+ if err != nil || product == nil {
+ return RenderNotFound(c, "Product not found or you don't have access to it.")
+ }
+ return Render(c, ProductEditPage(*product))
+}
+
+// ProductCreateHandler handles POST /product/create
+func (h *ProductHandlers) ProductCreateHandler(c echo.Context) error {
+ userID := getUserID(c)
+ if userID == "" {
+ return c.Redirect(http.StatusFound, "/")
+ }
+
+ sku := c.FormValue("sku")
+ if sku == "" {
+ return c.String(http.StatusBadRequest, "SKU is required")
+ }
+
+ name := c.FormValue("name")
+ if name == "" {
+ return c.String(http.StatusBadRequest, "Name is required")
+ }
+
+ // Check if SKU already exists for this user
+ existing, _ := h.db.GetProductBySKU(sku, userID)
+ if existing != nil {
+ return c.String(http.StatusBadRequest, "A product with this SKU already exists")
+ }
+
+ hsn := c.FormValue("hsn")
+ baseStr := c.FormValue("base_price")
+ wholesaleStr := c.FormValue("wholesale_price")
+ gstStr := c.FormValue("gst_rate")
+ smallQtyStr := c.FormValue("small_order_qty")
+
+ base, _ := strconv.ParseFloat(baseStr, 64)
+ wholesale, _ := strconv.ParseFloat(wholesaleStr, 64)
+ if wholesale == 0 {
+ wholesale = base // default wholesale to base price
+ }
+
+ gstRate := 0.18 // default 18%
+ switch gstStr {
+ case "0":
+ gstRate = 0.0
+ case "5":
+ gstRate = 0.05
+ case "12":
+ gstRate = 0.12
+ case "18":
+ gstRate = 0.18
+ case "28":
+ gstRate = 0.28
+ }
+
+ smallQty := 1
+ if v, err := strconv.Atoi(smallQtyStr); err == nil && v > 0 {
+ smallQty = v
+ }
+
+ smallFeeStr := c.FormValue("small_order_fee")
+ smallFee, _ := strconv.ParseFloat(smallFeeStr, 64)
+
+ unit := c.FormValue("unit")
+ if unit == "" {
+ unit = "pcs"
+ }
+
+ product := database.Product{
+ SKU: sku,
+ Name: name,
+ HSNCode: hsn,
+ BasePrice: base,
+ WholesalePrice: wholesale,
+ GSTRate: gstRate,
+ SmallOrderQty: smallQty,
+ SmallOrderFee: smallFee,
+ Unit: unit,
+ }
+
+ if err := h.db.CreateProduct(product, userID); err != nil {
+ return c.String(http.StatusInternalServerError, "failed to create product")
+ }
+
+ // Redirect to product list
+ return c.Redirect(http.StatusSeeOther, "/product")
+}
+
+// ProductUpdateHandler handles POST /product/edit/:sku
+func (h *ProductHandlers) ProductUpdateHandler(c echo.Context) error {
+ userID := getUserID(c)
+ if userID == "" {
+ return c.Redirect(http.StatusFound, "/")
+ }
+
+ sku := c.Param("sku")
+
+ // Verify product belongs to user
+ existing, _ := h.db.GetProductBySKU(sku, userID)
+ if existing == nil {
+ return c.String(http.StatusNotFound, "Product not found")
+ }
+
+ name := c.FormValue("name")
+ if name == "" {
+ return c.String(http.StatusBadRequest, "Name is required")
+ }
+
+ hsn := c.FormValue("hsn")
+ baseStr := c.FormValue("base_price")
+ wholesaleStr := c.FormValue("wholesale_price")
+ gstStr := c.FormValue("gst_rate")
+ smallQtyStr := c.FormValue("small_order_qty")
+
+ base, _ := strconv.ParseFloat(baseStr, 64)
+ wholesale, _ := strconv.ParseFloat(wholesaleStr, 64)
+ if wholesale == 0 {
+ wholesale = base
+ }
+
+ gstRate := 0.18
+ switch gstStr {
+ case "0":
+ gstRate = 0.0
+ case "5":
+ gstRate = 0.05
+ case "12":
+ gstRate = 0.12
+ case "18":
+ gstRate = 0.18
+ case "28":
+ gstRate = 0.28
+ }
+
+ smallQty := 1
+ if v, err := strconv.Atoi(smallQtyStr); err == nil && v > 0 {
+ smallQty = v
+ }
+
+ smallFeeStr := c.FormValue("small_order_fee")
+ smallFee, _ := strconv.ParseFloat(smallFeeStr, 64)
+
+ unit := c.FormValue("unit")
+ if unit == "" {
+ unit = "pcs"
+ }
+
+ product := database.Product{
+ SKU: sku,
+ Name: name,
+ HSNCode: hsn,
+ BasePrice: base,
+ WholesalePrice: wholesale,
+ GSTRate: gstRate,
+ SmallOrderQty: smallQty,
+ SmallOrderFee: smallFee,
+ Unit: unit,
+ }
+
+ if err := h.db.UpdateProduct(product, userID); err != nil {
+ return c.String(http.StatusInternalServerError, "failed to update product")
+ }
+
+ return c.Redirect(http.StatusSeeOther, "/product")
+}
+
+// ProductDeleteHandler handles DELETE /product/:sku
+func (h *ProductHandlers) ProductDeleteHandler(c echo.Context) error {
+ userID := getUserID(c)
+ sku := c.Param("sku")
+
+ if err := h.db.DeleteProduct(sku, userID); err != nil {
+ return c.String(http.StatusInternalServerError, "failed to delete product")
+ }
+
+ // For HTMX, return empty to remove the row
+ if c.Request().Header.Get("HX-Request") == "true" {
+ return c.NoContent(http.StatusOK)
+ }
+
+ return c.Redirect(http.StatusSeeOther, "/product")
+}
diff --git a/internal/web/render.go b/internal/web/render.go
new file mode 100644
index 0000000..3bcb007
--- /dev/null
+++ b/internal/web/render.go
@@ -0,0 +1,12 @@
+package web
+
+import (
+ "github.com/a-h/templ"
+ "github.com/labstack/echo/v4"
+)
+
+// Render wraps templ component rendering for Echo
+func Render(c echo.Context, component templ.Component) error {
+ c.Response().Header().Set(echo.HeaderContentType, echo.MIMETextHTML)
+ return component.Render(c.Request().Context(), c.Response().Writer)
+}
diff --git a/tailwind.config.js b/tailwind.config.js
deleted file mode 100644
index fc44685..0000000
--- a/tailwind.config.js
+++ /dev/null
@@ -1,5 +0,0 @@
-module.exports = {
- content: ["./**/*.html", "./**/*.templ", "./**/*.go",],
- theme: { extend: {}, },
- plugins: [],
-}
`, qrBase64)
+ fmt.Fprint(w, `