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