/
productController.go
136 lines (105 loc) · 3.01 KB
/
productController.go
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package main
import (
"net/http"
"net/url"
"strconv"
"github.com/asvins/router/errors"
"github.com/asvins/warehouse/models"
)
func FillProductIdWithUrlValue(p *models.Product, params url.Values) error {
id, err := strconv.Atoi(params.Get("id"))
if err != nil {
return err
}
p.ID = id
return nil
}
func retreiveProduct(w http.ResponseWriter, r *http.Request) errors.Http {
p := models.Product{}
if err := BuildStructFromQueryString(&p, r.URL.Query()); err != nil {
return errors.BadRequest(err.Error())
}
products, err := p.Retreive(db)
if err != nil {
return errors.InternalServerError(err.Error())
}
if len(products) == 0 {
return errors.NotFound("record not found")
}
rend.JSON(w, http.StatusOK, products)
return nil
}
func retreiveProductById(w http.ResponseWriter, r *http.Request) errors.Http {
p := models.Product{}
if err := FillProductIdWithUrlValue(&p, r.URL.Query()); err != nil {
return errors.BadRequest(err.Error())
}
products, err := p.Retreive(db)
if err != nil {
return errors.InternalServerError(err.Error())
}
if len(products) == 0 {
return errors.NotFound("record not found")
}
rend.JSON(w, http.StatusOK, products)
return nil
}
func insertProduct(w http.ResponseWriter, r *http.Request) errors.Http {
p := models.Product{}
if err := BuildStructFromReqBody(&p, r.Body); err != nil {
return errors.BadRequest(err.Error())
}
if err := p.Save(db); err != nil {
return errors.InternalServerError(err.Error())
}
rend.JSON(w, http.StatusOK, p)
return nil
}
func updateProduct(w http.ResponseWriter, r *http.Request) errors.Http {
p := models.Product{}
if err := BuildStructFromReqBody(&p, r.Body); err != nil {
return errors.BadRequest(err.Error())
}
if err := FillProductIdWithUrlValue(&p, r.URL.Query()); err != nil {
return errors.BadRequest(err.Error())
}
if err := p.Update(db); err != nil {
return errors.InternalServerError(err.Error())
}
rend.JSON(w, http.StatusOK, p)
return nil
}
func deleteProduct(w http.ResponseWriter, r *http.Request) errors.Http {
p := models.Product{}
if err := FillProductIdWithUrlValue(&p, r.URL.Query()); err != nil {
return errors.BadRequest(err.Error())
}
if err := p.Delete(db); err != nil {
return errors.InternalServerError(err.Error())
}
rend.JSON(w, http.StatusOK, p)
return nil
}
func consumeProduct(w http.ResponseWriter, r *http.Request) errors.Http {
p := models.Product{}
params := r.URL.Query()
if err := FillProductIdWithUrlValue(&p, params); err != nil {
return errors.BadRequest(err.Error())
}
qt, err := strconv.Atoi(params.Get("quantity"))
if err != nil {
return errors.BadRequest(err.Error())
}
if err := p.Consume(db, qt); err != nil {
return errors.InternalServerError(err.Error())
}
ps, err := p.Retreive(db)
if err != nil {
return errors.InternalServerError(err.Error())
}
if len(ps) != 1 {
return errors.InternalServerError("[ERROR] Unexpected error occured during exeuction of /api/inventory/product/:id/consume/:quantity")
}
rend.JSON(w, http.StatusOK, ps[0])
return nil
}