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entities.c
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entities.c
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#include "entities.h"
/** \brief Funcion que devuelve una Entidad nula.
*
* \param void No tiene parametros.
* \return void No tiene retorno.
*
*/
static sEntity nullEntity();
/** \brief Funcion privada que imprime en pantalla
* un tipo de dato basado en Entidad.
*
* \param entity sEntity Tipo de Dato basado en Entidad.
* \return int
* [-1] Si hubo un error en la impresion de los datos de la Entidad.
* [0] Si la impresion de la Entidad fue exitosa.
*
*/
static int printEntity(sEntity entity);
int entities_getNewId(void)
{
static int idEntity = ID_INIT_ENTITY;
idEntity++;
return idEntity;
}
int entities_init(sEntity list[], int length)
{
int returnValue = ERROR;
int i;
if(list != NULL && length > 0 && length <= PERSONS_MAX)
{
for(i = 0 ; i < length; i++)
{
list[i] = nullEntity();
}
if(i == length)
{
returnValue = OK;
}
}
return returnValue;
}
int entities_getById(sEntity list[], int length, int id)
{
int returnValue = ERROR;
if(list != NULL && length > 0 && length <= ENTITIES_MAX)
{
for (int i = 0; i < length; i++)
{
if(list[i].idEntity == id && list[i].isEmpty == FALSE)
{
returnValue = i;
break;
}
}
}
return returnValue;
}
int entities_selection(char message[], char eMessage[], sEntity entitiesList[], int entitiesLength)
{
int returnValue = ERROR;
int auxId = 0;
int auxIndex = 0;
if(message != NULL && eMessage != NULL && entitiesList != NULL
&& entitiesLength > 0 && entitiesLength <= ENTITIES_MAX
&& entities_printList(entitiesList, entitiesLength) > 0
&& !inputs_getInt(&auxId, message, eMessage, ID_INIT_ENTITY + 1, ENTITIES_MAX + ID_INIT_ENTITY))
{
auxIndex = entities_getById(entitiesList, entitiesLength, auxId);
if(auxIndex != ERROR)
{
returnValue = auxId;
}
else
{
printf("No se encuentra el ID de la Entidad en el sistema.\n");
}
}
return returnValue;
}
int entities_printList(sEntity entitiesList[], int entitiesLength)
{
int itemsCounter = 0;
int flag = 0;
if(entitiesList != NULL && entitiesLength > 0 && entitiesLength <= ENTITIES_MAX)
{
for (int i = 0; i < entitiesLength; i++)
{
if(entitiesList[i].isEmpty == FALSE)
{
itemsCounter++;
if(itemsCounter == 1)
{
printf("+======+======================+\n");
printf("| ID | Descripcion |\n");
printf("+======+======================+\n");
}
if(!printEntity(entitiesList[i]))
{
flag = 1;
}
else
{
flag = 0;
break;
}
}
}
if(flag == 1)
{
printf("+------+----------------------+\n");
}
}
return itemsCounter;
}
void entities_hardcode(sEntity entitiesList[], int entitiesLength)
{
int indexHardcodeMax = 19;
sEntity auxEntity[] = {
{entities_getNewId(), "entidad 01"},
{entities_getNewId(), "entidad 02"},
{entities_getNewId(), "entidad 03"},
{entities_getNewId(), "entidad 04"},
{entities_getNewId(), "entidad 05"},
{entities_getNewId(), "entidad 06"},
{entities_getNewId(), "entidad 07"},
{entities_getNewId(), "entidad 08"},
{entities_getNewId(), "entidad 09"},
{entities_getNewId(), "entidad 10"},
{entities_getNewId(), "entidad 11"},
{entities_getNewId(), "entidad 12"},
{entities_getNewId(), "entidad 13"},
{entities_getNewId(), "entidad 14"},
{entities_getNewId(), "entidad 15"},
{entities_getNewId(), "entidad 16"},
{entities_getNewId(), "entidad 17"},
{entities_getNewId(), "entidad 18"},
{entities_getNewId(), "entidad 19"},
{entities_getNewId(), "entidad 20"}
};
if(entitiesList != NULL && entitiesLength > 0 && entitiesLength <= ENTITIES_MAX)
{
for (int i = 0; i < entitiesLength; i++)
{
if(i <= indexHardcodeMax)
{
entitiesList[i] = auxEntity[i];
}
else
{
entitiesList[i] = nullEntity();
}
}
}
}
static sEntity nullEntity()
{
sEntity aux;
aux.idEntity = -1;
strcpy(aux.description, "NULL");
aux.isEmpty = TRUE;
return aux;
}
static int printEntity(sEntity entity)
{
int returnValue = ERROR;
if(entity.isEmpty == FALSE)
{
printf("| %4d | %20s |\n", entity.idEntity,
arrays_stringToCamelCase(entity.description, ENTITY_NAME_MAX));
returnValue = OK;
}
return returnValue;
}