Files
ordr/api/controllers/itemController.go

439 lines
15 KiB
Go

package controllers
import (
"context"
"log"
"net/http"
"ordr-api/dto"
"ordr-api/queries"
"strconv"
"time"
"github.com/gin-gonic/gin"
"github.com/jackc/pgx/v5"
"github.com/jackc/pgx/v5/pgxpool"
)
func CreateItem(pool *pgxpool.Pool) gin.HandlerFunc {
return func(ctx *gin.Context) {
conn, conn_err := pool.Acquire(ctx)
if conn_err != nil {
log.Printf("CreateItem(): ERROR: Failed to connect... %s", conn_err.Error())
ctx.AbortWithStatus(http.StatusInternalServerError)
return
}
defer conn.Release()
item_name := ctx.Query("item_name")
in_season := ctx.Query("in_season") == "1"
if item_name == "" {
ctx.String(http.StatusBadRequest, "CreateItem(): ERROR... Item Name not supplied")
}
_, exec_err := conn.Exec(context.Background(), queries.CREATE_ITEM, item_name, in_season)
if exec_err != nil {
ctx.String(http.StatusInternalServerError, "CreateItem(): ERROR... Failed to create item")
log.Printf("CreateItem(): ERROR... Failed to create item... %s", exec_err.Error())
return
}
var item_id int
query_err := conn.QueryRow(context.Background(), "SELECT id FROM item WHERE item_name = $1", item_name).Scan(&item_id)
if query_err != nil {
ctx.String(http.StatusInternalServerError, "CreateItem(): ERROR... Failed to get nwely created item id")
log.Printf("CreateItem(): ERROR... Failed to get newly created item... %s", query_err.Error())
return
}
item_price := ctx.Query("item_price")
if item_price == "" {
ctx.String(http.StatusBadRequest, "CreateItem(): ERROR... item_price not supplied")
return
}
item_price_float, convert_err := strconv.ParseFloat(item_price, 64)
if convert_err != nil {
ctx.String(http.StatusBadRequest, "CreateUser(): ERROR... Failed to create item price: item price invalid format")
return
}
_, exec_price_err := conn.Exec(context.Background(), queries.CREATE_ITEM_PRICE, item_id, item_price)
if exec_price_err != nil {
ctx.String(http.StatusInternalServerError, "CreateItem(): ERROR... Failed to insert price...")
log.Printf("CreateItem(): ERROR... Failed to insert price... %s", exec_price_err.Error())
return
}
var item_price_object dto.ItemPriceResponse
item_price_object.ItemId = item_id
item_price_object.ItemName = item_name
item_price_object.ItemPrice = item_price_float
ctx.JSON(http.StatusOK, item_price_object)
}
}
func SetItemPrice(pool *pgxpool.Pool) gin.HandlerFunc {
return func(ctx *gin.Context) {
conn, conn_err := pool.Acquire(ctx)
if conn_err != nil {
log.Printf("GetUserTable(): ERROR: Failed to connect... %s", conn_err.Error())
ctx.AbortWithStatus(http.StatusInternalServerError)
return
}
defer conn.Release()
item_id_string := ctx.Query("item_id")
if item_id_string == "" {
ctx.String(http.StatusBadRequest, "SetItemPrice(): ERROR... item id not provided")
return
}
_, exec_date_err := conn.Exec(context.Background(), queries.SET_ITEM_PRICE_VALID_TO_DATE, item_id_string)
if exec_date_err != nil {
ctx.String(http.StatusInternalServerError, "SetItemPrice(): ERROR... Failed to set valid_to date")
log.Printf("SetItemPrice(): ERROR... Failed to set valid_to date... %s", exec_date_err.Error())
return
}
item_price_string := ctx.Query("item_price")
if item_price_string == "" {
ctx.String(http.StatusBadRequest, "SetItemPrice(): ERROR... Item Price Not Provided")
return
}
item_price_float, item_price_conv_err := strconv.ParseFloat(item_price_string, 64)
if item_price_conv_err != nil {
ctx.String(http.StatusBadRequest, "SetItemPrice(): ERROR... item price not valid")
return
}
_, exec_new_price_err := conn.Exec(context.Background(), queries.CREATE_ITEM_PRICE, item_id_string, item_price_float)
if exec_new_price_err != nil {
ctx.String(http.StatusInternalServerError, "SetItemPrice(): ERROR... failed to create item price")
log.Printf("SetItemPrice(): ERROR... failed to create item price... %s", exec_new_price_err.Error())
return
}
var item_price_object dto.ItemPriceResponse
query_item_price_err := conn.QueryRow(context.Background(), queries.GET_CURRENT_ITEM_PRICE, item_id_string).Scan(&item_price_object.ItemId, &item_price_object.ItemName, &item_price_object.ItemPrice)
if query_item_price_err != nil {
ctx.String(http.StatusInternalServerError, "SetItemPrice(): ERROR... Failed to query item price")
log.Println("SetItemPrice(): ERROR... Failed to query item price... %s", query_item_price_err.Error())
return
}
ctx.JSON(http.StatusOK, item_price_object)
}
}
func GetCurrentItemPrice(pool *pgxpool.Pool) gin.HandlerFunc {
return func(ctx *gin.Context) {
conn, conn_err := pool.Acquire(ctx)
if conn_err != nil {
log.Printf("GetCurrentItemPrice(): ERROR: Failed to connect... %s", conn_err.Error())
ctx.AbortWithStatus(http.StatusInternalServerError)
return
}
defer conn.Release()
item_id := ctx.Query("item_id")
if item_id == "" {
ctx.String(http.StatusBadRequest, "GetCurrentItemPrice(): ERROR... item id not provided")
return
}
var item_price dto.ItemPriceResponse
query_err := conn.QueryRow(context.Background(), queries.GET_CURRENT_ITEM_PRICE, item_id).Scan(&item_price.ItemId, &item_price.ItemName, &item_price.ItemPrice)
if query_err != nil {
if query_err == pgx.ErrNoRows {
ctx.String(http.StatusBadRequest, "GetCurrentItemPrice(): ERROR... no rows match id")
return
}
ctx.String(http.StatusInternalServerError, "GetCurrentItemPrice(): ERROR... failed to query db")
log.Printf("GetCurrentItemPrice(): ERROR... failed to query db... %s", query_err.Error())
}
ctx.JSON(http.StatusOK, item_price)
}
}
func AddItemToOrder(pool *pgxpool.Pool) gin.HandlerFunc {
return func(ctx *gin.Context) {
conn, conn_err := pool.Acquire(ctx)
if conn_err != nil {
log.Printf("AddItemToOrder(): ERROR: Failed to connect... %s", conn_err.Error())
ctx.AbortWithStatus(http.StatusInternalServerError)
return
}
defer conn.Release()
item_id := ctx.Query("item_id")
order_id := ctx.Query("order_id")
quantity := ctx.Query("quantity")
created_at := ctx.Query("created_at")
if item_id == "" || order_id == "" || quantity == "" {
ctx.String(http.StatusBadRequest, "AddItemToOrder(): ERROR... item_id, order_id, or quantity missing")
return
}
if created_at == "" {
current_timestamp := time.Now()
created_at = current_timestamp.Format(time.RFC3339)
}
int_item_id, item_id_parse_err := strconv.ParseInt(item_id, 10, 64)
if item_id_parse_err != nil {
ctx.String(http.StatusBadRequest, "AddItemToOrder: ERROR... item id is not an int")
return
}
int_order_id, order_id_parse_err := strconv.ParseInt(order_id, 10, 64)
if order_id_parse_err != nil {
ctx.String(http.StatusBadRequest, "AddItemToOrder: ERROR... order id is not an int")
return
}
int_quantity, quantity_parse_err := strconv.ParseInt(quantity, 10, 64)
if quantity_parse_err != nil {
ctx.String(http.StatusBadRequest, "AddItemToOrder: ERROR... quantity is not an int")
return
}
_, time_parse_err := time.Parse(time.RFC3339, created_at)
if time_parse_err != nil {
ctx.String(http.StatusBadRequest, "AddItemToOrder(): ERROR... time is bad")
return
}
_, exec_err := conn.Exec(context.Background(), queries.ADD_ITEM_TO_ORDER, int_item_id, int_order_id, int_quantity, created_at)
if exec_err != nil {
ctx.String(http.StatusInternalServerError, "AddItemToOrder(): ERROR... failed to insert rows")
log.Printf("AddItemToOrder(): ERROR... Failed to insert rows... %s", exec_err.Error())
return
}
_, update_order_filled_exec_err := conn.Exec(context.Background(), queries.SET_ORDER_FILLED, false, order_id)
if update_order_filled_exec_err != nil {
ctx.String(http.StatusInternalServerError, "AddItemToOrder(): ERROR... failed to set order state")
log.Printf("AddItemToOrder(): ERROR... failed to set order state... %s", update_order_filled_exec_err.Error())
return
}
var order_item_price dto.OrderItemPriceResponse
price_data_row := conn.QueryRow(context.Background(), queries.GET_ORDER_ITEM_PRICE, item_id, order_id)
price_scan_err := price_data_row.Scan(&order_item_price.ItemId, &order_item_price.OrderId, &order_item_price.ItemName, &order_item_price.Quantity, &order_item_price.Made, &order_item_price.CreatedAt, &order_item_price.TotalPrice, &order_item_price.UnitPrice)
if price_scan_err != nil {
ctx.String(http.StatusInternalServerError, "AddItemToOrder(): ERROR... Failed to scan price data")
log.Printf("AddItemToOrder(): ERROR... Failed to scan price data... %s", price_scan_err.Error())
return
}
ctx.JSON(http.StatusOK, order_item_price)
}
}
func GetOrderItems(pool *pgxpool.Pool) gin.HandlerFunc {
return func(ctx *gin.Context) {
conn, conn_err := pool.Acquire(ctx)
if conn_err != nil {
log.Printf("GetOrderItems(): ERROR: Failed to connect... %s", conn_err.Error())
ctx.AbortWithStatus(http.StatusInternalServerError)
return
}
defer conn.Release()
order_id := ctx.Query("order_id")
if order_id == "" {
ctx.String(http.StatusBadRequest, "GetOrderItems(): ERROR: order id not supplied")
return
}
_, parse_err := strconv.ParseInt(order_id, 10, 64)
if parse_err != nil {
ctx.String(http.StatusBadRequest, "GetOrderItem(): ERROR... order id not an integer")
return
}
rows, query_err := conn.Query(context.Background(), queries.GET_ORDER_ITEMS, order_id)
if query_err != nil {
ctx.String(http.StatusInternalServerError, "GetOrderItems(): ERROR... failed to query database.")
log.Printf("GetOrderItems(): ERROR... Failed to query database... %s", query_err.Error())
return
}
defer rows.Close()
var items []dto.OrderItemPriceResponse
for rows.Next() {
var item dto.OrderItemPriceResponse
scan_err := rows.Scan(&item.ItemId, &item.OrderId, &item.ItemName, &item.Quantity, &item.Made, &item.CreatedAt, &item.TotalPrice, &item.UnitPrice)
if scan_err != nil {
ctx.String(http.StatusInternalServerError, "GetOrderItems(): ERROR... Failed to scan data...")
log.Printf("GetOrderItems(): ERROR... failed to scan data... %s", scan_err.Error())
return
}
items = append(items, item)
}
ctx.JSON(http.StatusOK, items)
}
}
func SetItemMade(pool *pgxpool.Pool) gin.HandlerFunc {
return func(ctx *gin.Context) {
conn, conn_err := pool.Acquire(ctx)
if conn_err != nil {
log.Printf("SetItemMade(): ERROR: Failed to connect... %s", conn_err.Error())
ctx.AbortWithStatus(http.StatusInternalServerError)
return
}
defer conn.Release()
var request dto.ItemOrderSetMadeRequest
request_read_err := ctx.ShouldBindJSON(&request)
if request_read_err != nil {
ctx.String(http.StatusBadRequest, "SetItemMade(): ERROR... Error Request in bad format")
return
}
_, exec_set_made_err := conn.Exec(context.Background(), queries.SET_MADE, request.Made, request.ItemId, request.OrderId)
if exec_set_made_err != nil {
ctx.String(http.StatusInternalServerError, "SetItemMade(): ERROR... Internal server error")
log.Printf("SetItemMade(): ERROR... Failed to set item made... %s", exec_set_made_err.Error())
return
}
_, exec_update_order_err := conn.Exec(context.Background(), queries.UPDATE_ORDER_FILLED, request.OrderId)
if exec_update_order_err != nil {
ctx.String(http.StatusInternalServerError, "SetItemMade(): ERROR... Failed to update order")
log.Printf("SetItemMade(): ERROR... Failed to update order... %s", exec_update_order_err.Error())
return
}
var order_filled dto.OrderFilledResponse
scan_err := conn.QueryRow(context.Background(), queries.GET_ORDER_MADE_DETAILS, request.OrderId).Scan(&order_filled.OrderId, &order_filled.Filled)
if scan_err != nil {
if scan_err == pgx.ErrNoRows {
ctx.String(http.StatusBadRequest, "SetItemMade(): Invalid data")
return
}
ctx.String(http.StatusInternalServerError, "SetItemMade(): ERROR... Error querying result")
log.Printf("SetItemMade(): ERROR... Error querying result... %s", scan_err.Error())
return
}
ctx.JSON(http.StatusOK, order_filled)
}
}
func SetItemQuantity(pool *pgxpool.Pool) gin.HandlerFunc {
return func(ctx *gin.Context) {
conn, conn_err := pool.Acquire(ctx)
if conn_err != nil {
log.Printf("SetItemMade(): ERROR: Failed to connect... %s", conn_err.Error())
ctx.AbortWithStatus(http.StatusInternalServerError)
return
}
defer conn.Release()
var request dto.ItemOrderSetQuantityRequest
request_read_err := ctx.ShouldBindJSON(&request)
if request_read_err != nil {
ctx.String(http.StatusBadRequest, "SetItemQuantity(): ERROR... Error Request in bad format")
return
}
_, exec_set_quantity_err := conn.Exec(context.Background(), queries.SET_QUANTITY, request.Quantity, request.ItemId, request.OrderId)
if exec_set_quantity_err != nil {
ctx.String(http.StatusInternalServerError, "SetItemMade(): ERROR... Internal server error")
log.Printf("SetItemQuantity(): ERROR... Failed to set item quantity... %s", exec_set_quantity_err.Error())
return
}
_, exec_update_order_err := conn.Exec(context.Background(), queries.UPDATE_ORDER_FILLED, request.OrderId)
if exec_update_order_err != nil {
ctx.String(http.StatusInternalServerError, "SetItemMade(): ERROR... Failed to update order")
log.Printf("SetItemQuantity(): ERROR... Failed to update order... %s", exec_update_order_err.Error())
return
}
var order_filled dto.OrderFilledResponse
scan_err := conn.QueryRow(context.Background(), queries.GET_ORDER_MADE_DETAILS, request.OrderId).Scan(&order_filled.OrderId, &order_filled.Filled)
if scan_err != nil {
if scan_err == pgx.ErrNoRows {
ctx.String(http.StatusBadRequest, "SetItemQuantity(): Invalid data")
return
}
ctx.String(http.StatusInternalServerError, "SetItemQuantity(): ERROR... Error querying result")
log.Printf("SetItemQuantity(): ERROR... Error querying result... %s", scan_err.Error())
return
}
ctx.JSON(http.StatusOK, order_filled)
}
}
func DeleteOrderItem(pool *pgxpool.Pool) gin.HandlerFunc {
return func(ctx *gin.Context) {
conn, conn_err := pool.Acquire(ctx)
if conn_err != nil {
log.Printf("DeleteOrderItem(): ERROR: Failed to connect... %s", conn_err.Error())
ctx.AbortWithStatus(http.StatusInternalServerError)
return
}
defer conn.Release()
var request dto.DeleteOrderItemRequest
request_read_err := ctx.ShouldBindJSON(&request)
if request_read_err != nil {
ctx.String(http.StatusBadRequest, "DeleteOrderItem(): ERROR... invalid request")
return
}
_, exec_err := conn.Exec(context.Background(), queries.REMOVE_ITEM_FROM_ORDER, request.ItemId, request.OrderId)
if exec_err != nil {
ctx.String(http.StatusInternalServerError, "DeleteOrderItem(): ERROR.. Failed to delete item")
log.Printf("DeleteOrderItem(): ERROR... Failed to delte item... %s", exec_err.Error())
return
}
}
}
func DeleteItem(pool *pgxpool.Pool) gin.HandlerFunc {
return func(ctx *gin.Context) {
conn, conn_err := pool.Acquire(ctx)
if conn_err != nil {
log.Printf("DeleteItem(): ERROR: Failed to connect... %s", conn_err.Error())
ctx.AbortWithStatus(http.StatusInternalServerError)
return
}
defer conn.Release()
item_id := ctx.Query("item_id")
item_id_int, parse_err := strconv.ParseInt(item_id, 10, 64)
if parse_err != nil || item_id == "" {
ctx.String(http.StatusBadRequest, "DeleteItem(): Invalid data entry")
return
}
_, exec_err := conn.Exec(context.Background(), "DELETE FROM item WHERE id = $1", item_id_int)
if exec_err != nil {
ctx.String(http.StatusInternalServerError, "DeleteItem(): Failed to delete item")
log.Printf("DeleteItem(): ERROR... Failed to delete item... %s", exec_err.Error())
return
}
}
}