Added invoices endpoint

controllers/invoices_controller.go

@@ -0,0 +1,58 @@
+package controllers
+
+import (
+	"net/http"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+	"gitlab.com/pactual1/backend/database/invoice"
+)
+
+func GetInvoices(c *gin.Context) {
+	limitStr := c.DefaultQuery("limit", "10")
+	offsetStr := c.DefaultQuery("offset", "0")
+	buyerName := c.Query("buyer_name")
+	sortBy := c.Query("sort_by")
+
+	limit, err := strconv.Atoi(limitStr)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid limit value"})
+		return
+	}
+
+	offset, err := strconv.Atoi(offsetStr)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid offset value"})
+		return
+	}
+
+	invoices, total, err := invoice.GetInvoices(buyerName, sortBy, limit, offset, 0)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"total": total, "invoices": invoices})
+}
+
+func GetInvoiceByID(c *gin.Context) {
+    idStr := c.Param("id")
+    id, err := strconv.Atoi(idStr)
+    if err != nil {
+        c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid ID"})
+        return
+    }
+
+    invoices, _, err := invoice.GetInvoices("", "", 1, 0, uint(id))
+    if err != nil {
+        c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+        return
+    }
+
+    if len(invoices) > 0 {
+        c.JSON(http.StatusOK, gin.H{"invoice": invoices[0]})
+    } else {
+        c.JSON(http.StatusNotFound, gin.H{"error": "Invoice not found"})
+    }
+}
+