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Sara Saiz
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Oct 21, 2024
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105 changes: 105 additions & 0 deletions
105
...src/main/java/es/unican/gasolineras/activities/ConsultarRepostaje/ConsultarPresenter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| package es.unican.gasolineras.activities.ConsultarRepostaje; | ||
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| import android.content.Context; | ||
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| import java.text.SimpleDateFormat; | ||
| import java.util.Calendar; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
| import java.util.Locale; | ||
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| import es.unican.gasolineras.activities.main.IMainContract; | ||
| import es.unican.gasolineras.model.Gasolinera; | ||
| import es.unican.gasolineras.model.Repostaje; | ||
| import es.unican.gasolineras.repository.AppDatabase; | ||
| import es.unican.gasolineras.repository.DatabaseFunction; | ||
| import es.unican.gasolineras.repository.RepostajeDAO; | ||
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| public class ConsultarPresenter implements IConsultar.Presenter { | ||
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| private IConsultar.View view; | ||
| private RepostajeDAO repostajeDAO; | ||
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| public ConsultarPresenter(RepostajeDAO repostajeDAO) { | ||
| this.repostajeDAO = repostajeDAO; | ||
| } | ||
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| /** | ||
| * @see IConsultar.Presenter#init(IConsultar.View) | ||
| * @param view the view to control | ||
| */ | ||
| @Override | ||
| public void init(IConsultar.View view) { | ||
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| this.view = view; | ||
| this.view.init(); | ||
| load(); | ||
| } | ||
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| @Override | ||
| public double calcularPrecioMedioLitro() { | ||
| List<Repostaje> repostajesMesAnterior = obtenerRepostajesDelMes(); | ||
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| if(repostajesMesAnterior.isEmpty()) { | ||
| return 0; | ||
| } | ||
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| double sumaPreciosPonderados = 0; | ||
| double sumaLitros = 0; | ||
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| for (Repostaje repostaje : repostajesMesAnterior) { | ||
| double precioPorLitro = repostaje.getPrecioTotal() / repostaje.getLitros(); | ||
| sumaPreciosPonderados += precioPorLitro * repostaje.getLitros(); | ||
| sumaLitros += repostaje.getLitros(); | ||
| } | ||
| return sumaPreciosPonderados / sumaLitros; | ||
| } | ||
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| @Override | ||
| public List<Repostaje> obtenerRepostajesDelMes() { | ||
| Calendar calendar = Calendar.getInstance(); | ||
| calendar.set(Calendar.DAY_OF_MONTH, 1); // Primer día del mes actual | ||
| SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy", Locale.getDefault()); | ||
| String inicioDelMes = sdf.format(calendar.getTime()); | ||
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| // Establecer el último día del mes actual | ||
| calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH)); | ||
| String finDelMes = sdf.format(calendar.getTime()); | ||
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| // Obtener los repostajes del mes actual desde el DAO utilizando el rango de fechas | ||
| return repostajeDAO.repostajesPorRangoDeFechas(inicioDelMes, finDelMes); | ||
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| } | ||
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| @Override | ||
| public double calcularAcumuladoMes() { | ||
| List<Repostaje> repostajesMes = obtenerRepostajesDelMes(); | ||
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| if(repostajesMes.isEmpty()) { | ||
| return 0; | ||
| } | ||
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| double totalAcumulado = 0; | ||
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| for (Repostaje repostaje : repostajesMes) { | ||
| totalAcumulado += repostaje.getPrecioTotal(); | ||
| } | ||
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| return totalAcumulado; | ||
| } | ||
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| private void load() { | ||
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| List<Repostaje> repostajes = repostajeDAO.repostajes(); | ||
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| try { | ||
| view.showRepostajes(repostajes); | ||
| view.showLoadCorrect(repostajes.size()); | ||
| } catch (Throwable e) { | ||
| view.showLoadError(); | ||
| } | ||
| } | ||
| } |
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76 changes: 59 additions & 17 deletions
76
...ect/app/src/main/java/es/unican/gasolineras/activities/ConsultarRepostaje/IConsultar.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,29 +1,71 @@ | ||
| package es.unican.gasolineras.activities.ConsultarRepostaje; | ||
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| import java.util.List; | ||
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| import es.unican.gasolineras.model.Repostaje; | ||
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| public interface IConsultar { | ||
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| /** | ||
| * Calcula el precio medio por litro pagado en el mes actual | ||
| * @return | ||
| * Methods that must be implemented in the Main Presenter. | ||
| * Only the View should call these methods. | ||
| */ | ||
| public double calcularPrecioMedioLitro(); | ||
| public interface Presenter { | ||
| /** | ||
| * Links the presenter with its view. | ||
| * Only the View should call this method | ||
| * @param view | ||
| */ | ||
| public void init(View view); | ||
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| public List<Repostaje> obtenerRepostajesDelMes(); | ||
| /** | ||
| * Muestra los repostajes realizados | ||
| * @param repostajes the list of charging stations | ||
| */ | ||
| public void showRepostajes(List<Repostaje> repostajes); | ||
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| public void showLoadCorrect(int repostajes); | ||
| public void showLoadError(); | ||
| /** | ||
| * | ||
| * @return | ||
| */ | ||
| public double calcularAcumuladoMes(); | ||
| /** | ||
| * Calcula el precio medio por litro pagado en el mes actual | ||
| * teniendo en cuenta el peso de cada repostajes | ||
| * @return el precio medio | ||
| */ | ||
| public double calcularPrecioMedioLitro(); | ||
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| /** | ||
| * Obtiene los repostajes realizados en el mes actual | ||
| * @return la lista de repostajes del mes | ||
| */ | ||
| public List<Repostaje> obtenerRepostajesDelMes(); | ||
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| /** | ||
| * Calcula el precio total invertido en repostajes en el mes. | ||
| * @return el precio total gastado en repostajes en el mes actual | ||
| */ | ||
| public double calcularAcumuladoMes(); | ||
| } | ||
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| public interface View { | ||
| /** | ||
| * Initialize the view. Typically this should initialize all the listeners in the view. | ||
| * Only the Presenter should call this method | ||
| */ | ||
| public void init(); | ||
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| /** | ||
| * Muestra los repostajes realizados | ||
| * @param repostajes the list of charging stations | ||
| */ | ||
| public void showRepostajes(List<Repostaje> repostajes); | ||
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| /** | ||
| * The view is requested to display a notification indicating that the refueling | ||
| * were loaded correctly. | ||
| * Only the Presenter should call this method | ||
| * @param repostajes | ||
| */ | ||
| public void showLoadCorrect(int repostajes); | ||
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| /** | ||
| * The view is requested to display a notificacion indicating that the refueling | ||
| * were not loaded correctly. | ||
| * Only the Presenter should call this method | ||
| */ | ||
| public void showLoadError(); | ||
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| } | ||
| } |
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