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feat: add endpoint and logic for retrieving transaction chart data, including SQL queries, models, and service integration

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This commit is contained in:
Tran Anh Tuan
2026-05-14 10:41:25 +07:00
parent 0a56dfeb61
commit 96bc22942b
11 changed files with 413 additions and 0 deletions
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55
internal/services/dashboard_service.go
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@@ -3,6 +3,7 @@ package services
import (
"net/http"
"strconv"
"time"
"wm-backend/global"
"wm-backend/internal/repositories"
"wm-backend/response"
@@ -91,3 +92,57 @@ func DashboardAnomalies(c *gin.Context) error {
response.Ok(c, "Success", anomalies)
return nil
}
// @Summary Get transactions chart data
// @Description Retrieve import/export transaction quantities grouped by date for chart display
// @Tags dashboard
// @Accept json
// @Produce json
// @Param period query string false "Time period: today, 7d, 30d, this_month" default(7d)
// @Param warehouse_id query int false "Filter by warehouse ID"
// @Success 200 {object} response.SuccessResponse{data=models.TransactionChartData}
// @Failure 400 {object} response.ErrorResponse
// @Failure 500 {object} response.ErrorResponse
// @Router /v1/dashboard/transactions-chart [get]
func DashboardTransactionsChart(c *gin.Context) error {
period := c.DefaultQuery("period", "7d")
now := time.Now()
var startDate, endDate time.Time
switch period {
case "today":
startDate = time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location())
endDate = startDate.AddDate(0, 0, 1)
case "7d":
startDate = time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location()).AddDate(0, 0, -6)
endDate = time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location()).AddDate(0, 0, 1)
case "30d":
startDate = time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location()).AddDate(0, 0, -29)
endDate = time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location()).AddDate(0, 0, 1)
case "this_month":
startDate = time.Date(now.Year(), now.Month(), 1, 0, 0, 0, 0, now.Location())
endDate = startDate.AddDate(0, 1, 0)
default:
response.BadRequestError(c, http.StatusBadRequest, "Invalid period. Use: today, 7d, 30d, this_month")
return nil
}
var warehouseID pgtype.Int8
if raw := c.Query("warehouse_id"); raw != "" {
id, err := strconv.ParseInt(raw, 10, 64)
if err != nil {
response.BadRequestError(c, http.StatusBadRequest, "Invalid warehouse_id")
return nil
}
warehouseID = pgtype.Int8{Int64: id, Valid: true}
}
data, err := repositories.GetTransactionChartData(c.Request.Context(), global.Queries, startDate, endDate, warehouseID)
if err != nil {
log.Err(err).Msg("Error when Get Transaction Chart Data")
response.InternalServerError(c, http.StatusInternalServerError, "Failed to get transaction chart data")
return nil
}
response.Ok(c, "Success", data)
return nil
}