package controllers import ( "encoding/json" "math" "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 := 50 if queryParams.Get("limit") != "" { var err error limit, err = strconv.Atoi(queryParams.Get("limit")) if err != nil { utils.JSONErrorOutput(writer, http.StatusBadRequest, err.Error()) return } limit = int(math.Min(float64(500), float64(limit))) limit = int(math.Max(float64(1), float64(limit))) } offset := 0 if queryParams.Get("offset") != "" { var err error offset, err = strconv.Atoi(queryParams.Get("offset")) if err != nil { utils.JSONErrorOutput(writer, http.StatusBadRequest, err.Error()) return } offset = int(math.Min(float64(9223372036854775807), float64(offset))) offset = int(math.Max(float64(0), float64(offset))) } 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.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) } }