106 lines
2.6 KiB
Go
106 lines
2.6 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"io"
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"log"
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"net/http"
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"gittea.marcokittel.de/elio/eliotools/datawriter/internal/database"
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)
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type Container struct {
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Products map[string]int `json:"products"`
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Context Context `json:"context"`
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}
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type Product struct {
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Warehouse string `json:"warehouse"`
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Quantity int `json:"quantity"`
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Delivery int `json:"delivery_time"`
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}
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type OutgoingProducts struct {
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Products map[string][]Product `json:"products"`
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}
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func NewOutgoingProducts() *OutgoingProducts {
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op := OutgoingProducts{
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Products: make(map[string][]Product),
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}
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return &op
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}
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type Context struct {
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Country string `json:"country"`
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State string `json:"state"`
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}
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const (
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connectionString = "root:eliogeheim@tcp(127.0.0.1:3306)/elio_test?parseTime=true"
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)
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func main() {
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//Env Variablen nutzen
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dbr := database.NewDatabaseReader(connectionString)
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http.HandleFunc("/api/products", func(w http.ResponseWriter, r *http.Request) {
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if r.Method != "POST" {
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return
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}
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defer r.Body.Close()
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data, err := io.ReadAll(r.Body)
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if err != nil {
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log.Println(err)
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return
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}
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var foo Container
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err = json.Unmarshal(data, &foo)
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if err != nil {
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log.Println(err)
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return
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}
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fmt.Println(foo)
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result := []OutgoingProducts{}
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for key, item := range foo.Products {
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//Checken ob die Felder leer sind / Validitätsprüfung einbauen
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products, err := dbr.GetProductByProductIdDeliveryCountryAndState(key, foo.Context.Country, foo.Context.State)
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if err != nil {
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log.Println(err)
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}
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if len(products) == 0 {
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continue
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}
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gebrauchteProduktAnzahl := item
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op := NewOutgoingProducts()
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for _, db_products := range products {
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if gebrauchteProduktAnzahl <= 0 {
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continue
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}
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if db_products.Amount >= gebrauchteProduktAnzahl {
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newProduct := Product{Delivery: db_products.DeliveryDays, Quantity: gebrauchteProduktAnzahl, Warehouse: db_products.Warehouse}
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gebrauchteProduktAnzahl = 0
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op.Products[key] = append(op.Products[key], newProduct)
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} else if db_products.Amount < gebrauchteProduktAnzahl {
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newProduct := Product{Delivery: db_products.DeliveryDays, Quantity: db_products.Amount, Warehouse: db_products.Warehouse}
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gebrauchteProduktAnzahl -= db_products.Amount
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op.Products[key] = append(op.Products[key], newProduct)
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}
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}
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result = append(result, *op)
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fmt.Println(op)
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}
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jsonResult, err := json.Marshal(result)
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if err != nil {
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log.Println(err)
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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fmt.Fprintln(w, string(jsonResult))
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})
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log.Fatal(http.ListenAndServe(":8080", nil))
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}
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