Upstream sync

controllers/buyers_controller.go

@@ -0,0 +1,60 @@
+package controllers
+
+import (
+	"errors"
+	"log"
+	"net/http"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+	"github.com/jinzhu/gorm"
+	"gitlab.com/pactual1/backend/models"
+	"gitlab.com/pactual1/backend/shared"
+)
+
+func ListBuyers(c *gin.Context) {
+	// Get limit and offset from query parameter with defaults
+	limitStr := c.DefaultQuery("limit", "99999999999999999999999999999999")
+	offsetStr := c.DefaultQuery("offset", "0")
+
+	// Convert limit and offset to int
+	limit, err := strconv.Atoi(limitStr)
+	if err != nil {
+		log.Printf("ListBuyers Error: Invalid limit value: %v", err)
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid limit value"})
+		return
+	}
+
+	offset, err := strconv.Atoi(offsetStr)
+	if err != nil {
+		log.Printf("ListBuyers Error: Invalid offset value: %v", err)
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid offset value"})
+		return
+	}
+
+	// Create a slice to hold the buyers
+	var buyers []models.Buyer
+
+	// Count the total number of buyers
+	var total int64
+	if err := shared.GetDb().Model(&models.Buyer{}).Count(&total).Error; err != nil {
+		log.Printf("ListBuyers Error: Database error: %v", err)
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Database error"})
+		return
+	}
+
+	// Fetch the buyers from the database with LIMIT and OFFSET
+	if err := shared.GetDb().Order("created_at desc").Limit(limit).Offset(offset).Find(&buyers).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			log.Printf("ListBuyers Error: No buyers found: %v", err)
+			c.JSON(http.StatusNotFound, gin.H{"error": "No buyers found"})
+		} else {
+			log.Printf("ListBuyers Error: Database error: %v", err)
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "Database error"})
+		}
+		return
+	}
+
+	// Respond with the buyers and the total count
+	c.JSON(http.StatusOK, gin.H{"total": total, "buyers": buyers})
+}