alai-server/backend/controllers/object.go

154 lines
3.9 KiB
Go

package controllers
import (
"encoding/json"
"net/http"
"strconv"
"git.cromer.cl/Proyecto-Titulo/alai-server/backend/database"
"git.cromer.cl/Proyecto-Titulo/alai-server/backend/models"
"git.cromer.cl/Proyecto-Titulo/alai-server/backend/utils"
"github.com/julienschmidt/httprouter"
)
func ListObject(writer http.ResponseWriter, request *http.Request, params httprouter.Params) {
gdb := database.Connect()
defer database.Close(gdb)
var object []models.Object
queryParams := request.URL.Query()
limit, offset, err := utils.GetLimitOffset(queryParams)
if err != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, err.Error())
return
}
filters := []string{
"frame_id",
"object_name_id",
"object_state_id",
"position_x",
"position_y",
"velocity_x",
"velocity_y",
}
whereClause, err := utils.GenerateWhereFilter(filters, queryParams)
if err != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, err.Error())
return
}
result := gdb.Model(&models.Object{}).Where(whereClause).Order("ID asc").Limit(limit).Offset(offset).Find(&object)
if result.Error != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, result.Error.Error())
return
} else {
writer.Header().Set("Content-Type", "application/json")
writer.WriteHeader(http.StatusOK)
json.NewEncoder(writer).Encode(object)
}
}
func GetObject(writer http.ResponseWriter, request *http.Request, params httprouter.Params) {
gdb := database.Connect()
defer database.Close(gdb)
var object models.Object
result := gdb.Model(&models.Object{}).Find(&object, params.ByName("id"))
if result.Error != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, result.Error.Error())
return
} else if result.RowsAffected == 0 {
writer.WriteHeader(http.StatusNotFound)
return
} else {
writer.Header().Set("Content-Type", "application/json")
writer.WriteHeader(http.StatusOK)
json.NewEncoder(writer).Encode(object)
}
}
func CreateObject(writer http.ResponseWriter, request *http.Request, params httprouter.Params) {
gdb := database.Connect()
defer database.Close(gdb)
var object models.Object
decoder := json.NewDecoder(request.Body)
err := decoder.Decode(&object)
if err != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, err.Error())
return
}
result := gdb.Create(&object)
if result.Error != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, result.Error.Error())
return
} else {
writer.WriteHeader(http.StatusNoContent)
}
}
func UpdateObject(writer http.ResponseWriter, request *http.Request, params httprouter.Params) {
gdb := database.Connect()
defer database.Close(gdb)
var object models.Object
decoder := json.NewDecoder(request.Body)
err := decoder.Decode(&object)
if err != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, err.Error())
return
}
object.ID, err = strconv.ParseUint(params.ByName("id"), 10, 64)
if err != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, err.Error())
return
}
result := gdb.Updates(&object)
if result.Error != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, result.Error.Error())
return
} else if result.RowsAffected == 0 {
writer.WriteHeader(http.StatusNotFound)
return
} else {
writer.WriteHeader(http.StatusNoContent)
}
}
func DeleteObject(writer http.ResponseWriter, request *http.Request, params httprouter.Params) {
gdb := database.Connect()
defer database.Close(gdb)
var object models.Object
var err error
object.ID, err = strconv.ParseUint(params.ByName("id"), 10, 64)
if err != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, err.Error())
return
}
result := gdb.Unscoped().Delete(&object)
if result.Error != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, result.Error.Error())
return
} else if result.RowsAffected == 0 {
writer.WriteHeader(http.StatusNotFound)
return
} else {
writer.WriteHeader(http.StatusNoContent)
}
}