Cache and Eviction Strategy: Offline First #41
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,7 +1,22 @@ | ||
| package com.github.odaridavid.weatherapp | ||
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|
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| import android.app.Application | ||
| import androidx.hilt.work.HiltWorkerFactory | ||
| import androidx.work.Configuration | ||
| import dagger.hilt.android.HiltAndroidApp | ||
| import timber.log.Timber | ||
| import javax.inject.Inject | ||
|
|
||
| @HiltAndroidApp | ||
| class WeatherApp : Application(), Configuration.Provider{ | ||
| override fun onCreate() { | ||
| super.onCreate() | ||
| if (BuildConfig.DEBUG) { | ||
| Timber.plant(Timber.DebugTree()) | ||
| } | ||
| } | ||
| @Inject | ||
| lateinit var workerFactory: HiltWorkerFactory | ||
| override fun getWorkManagerConfiguration(): Configuration = | ||
| Configuration.Builder().setWorkerFactory(workerFactory).build() | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -8,6 +8,11 @@ import com.github.odaridavid.weatherapp.core.model.Temperature | |
| import com.github.odaridavid.weatherapp.core.model.Units | ||
| import com.github.odaridavid.weatherapp.core.model.Weather | ||
| import com.github.odaridavid.weatherapp.core.model.WeatherInfo | ||
| import com.github.odaridavid.weatherapp.data.weather.local.entity.DailyWeatherEntity | ||
| import com.github.odaridavid.weatherapp.data.weather.local.entity.HourlyWeatherEntity | ||
| import com.github.odaridavid.weatherapp.data.weather.local.entity.TemperatureEntity | ||
| import com.github.odaridavid.weatherapp.data.weather.local.entity.WeatherEntity | ||
| import com.github.odaridavid.weatherapp.data.weather.local.entity.WeatherInfoResponseEntity | ||
| import java.text.SimpleDateFormat | ||
| import java.util.Date | ||
| import kotlin.math.roundToInt | ||
|
|
@@ -52,6 +57,52 @@ fun TemperatureResponse.toCoreModel(unit: String): Temperature = | |
| min = formatTemperatureValue(min, unit), | ||
| max = formatTemperatureValue(max, unit) | ||
| ) | ||
| fun WeatherEntity.toCoreEntity(unit: String): Weather = | ||
| Weather( | ||
| current = toCurrentWeather(unit = unit), | ||
| hourly = hourly.map { it.toCoreEntity(unit = unit) }, | ||
| daily = daily.map { it.toCoreEntity(unit = unit) } | ||
| ) | ||
| private fun WeatherEntity.toCurrentWeather(unit: String): CurrentWeather = | ||
| CurrentWeather( | ||
| temperature = formatTemperatureValue(temp, unit), | ||
| feelsLike = formatTemperatureValue(feels_like, unit), | ||
| weather = listOf(toWeatherInfo()) | ||
| ) | ||
| private fun WeatherEntity.toWeatherInfo(): WeatherInfo = | ||
| WeatherInfo( | ||
| id = id, | ||
| main = main, | ||
| description = description, | ||
| icon = "${BuildConfig.OPEN_WEATHER_ICONS_URL}[email protected]" | ||
| ) | ||
| fun DailyWeatherEntity.toCoreEntity(unit: String): DailyWeather = | ||
| DailyWeather( | ||
| forecastedTime = getDate(dt,"EEEE dd/M"), | ||
| temperature = temperature.toCoreEntity(unit = unit), | ||
| weather = weather.map { it.toCoreEntity() } | ||
| ) | ||
|
|
||
| fun HourlyWeatherEntity.toCoreEntity(unit: String): HourlyWeather = | ||
| HourlyWeather( | ||
| forecastedTime = getDate(dt,"HH:SS"), | ||
| temperature = formatTemperatureValue(temperature, unit), | ||
| weather = weather.map { it.toCoreEntity() } | ||
| ) | ||
|
|
||
| fun WeatherInfoResponseEntity.toCoreEntity(): WeatherInfo = | ||
| WeatherInfo( | ||
| id = id, | ||
| main = main, | ||
| description = description, | ||
| icon = "${BuildConfig.OPEN_WEATHER_ICONS_URL}[email protected]" | ||
| ) | ||
|
|
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| fun TemperatureEntity.toCoreEntity(unit: String): Temperature = | ||
| Temperature( | ||
| min = formatTemperatureValue(min, unit), | ||
| max = formatTemperatureValue(max, unit) | ||
| ) | ||
|
|
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| private fun formatTemperatureValue(temperature: Float, unit: String): String = | ||
| "${temperature.roundToInt()}${getUnitSymbols(unit = unit)}" | ||
|
|
@@ -68,3 +119,56 @@ private fun getDate(utcInMillis: Long, formatPattern: String): String { | |
| val dateFormat = Date(utcInMillis * 1000) | ||
| return sdf.format(dateFormat) | ||
| } | ||
|
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||
| fun WeatherResponse.toWeatherEntity(): WeatherEntity { | ||
| val currentTime = System.currentTimeMillis() | ||
| val currentWeatherInfo = current.weather.first() | ||
|
|
||
| val hourlyWeatherEntities = hourly.map { hourlyResponse -> | ||
| HourlyWeatherEntity( | ||
| dt = hourlyResponse.forecastedTime, | ||
| temperature = hourlyResponse.temperature, | ||
| weather = hourlyResponse.weather.map { it.toWeatherInfoResponse() } | ||
| ) | ||
| } | ||
|
|
||
| val dailyWeatherEntities = daily.map { dailyResponse -> | ||
| DailyWeatherEntity( | ||
| dt = dailyResponse.forecastedTime, | ||
| temperature = dailyResponse.temperature.toTemperatureEntity(), | ||
| weather = dailyResponse.weather.map { it.toWeatherInfoResponse() } | ||
| ) | ||
| } | ||
|
|
||
| return WeatherEntity( | ||
| dt = currentTime, | ||
| id = 0, | ||
| feels_like = current.feelsLike, | ||
| temp = current.temperature, | ||
| temp_max = current.temperature, | ||
| temp_min = current.temperature, | ||
| description = currentWeatherInfo.description, | ||
| icon = currentWeatherInfo.icon, | ||
| main = currentWeatherInfo.main, | ||
| lastRefreshed = currentTime, | ||
| isValid = true, | ||
| hourly = hourlyWeatherEntities, | ||
| daily = dailyWeatherEntities | ||
| ) | ||
| } | ||
|
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| private fun WeatherInfoResponse.toWeatherInfoResponse(): WeatherInfoResponseEntity { | ||
| return WeatherInfoResponseEntity( | ||
| id = id, | ||
| main = main, | ||
| description = description, | ||
| icon = icon | ||
| ) | ||
| } | ||
|
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| fun TemperatureResponse.toTemperatureEntity(): TemperatureEntity { | ||
| return TemperatureEntity( | ||
| min = min, | ||
| max = max | ||
| ) | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| package com.github.odaridavid.weatherapp.data.weather.local | ||
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| import androidx.room.Database | ||
| import androidx.room.RoomDatabase | ||
| import androidx.room.TypeConverters | ||
| import com.github.odaridavid.weatherapp.data.weather.local.converters.Converters | ||
| import com.github.odaridavid.weatherapp.data.weather.local.dao.WeatherDao | ||
| import com.github.odaridavid.weatherapp.data.weather.local.entity.WeatherEntity | ||
|
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| @Database( | ||
| entities = [WeatherEntity::class], | ||
| version = 3, | ||
| exportSchema = false | ||
| ) | ||
| @TypeConverters(Converters::class) | ||
| abstract class WeatherDatabase: RoomDatabase(){ | ||
| abstract fun weatherDao():WeatherDao | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| package com.github.odaridavid.weatherapp.data.weather.local.converters | ||
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| import androidx.room.ProvidedTypeConverter | ||
| import androidx.room.TypeConverter | ||
| import com.github.odaridavid.weatherapp.data.weather.local.entity.DailyWeatherEntity | ||
| import com.github.odaridavid.weatherapp.data.weather.local.entity.HourlyWeatherEntity | ||
| import com.github.odaridavid.weatherapp.data.weather.local.entity.TemperatureEntity | ||
| import com.github.odaridavid.weatherapp.data.weather.local.entity.WeatherInfoResponseEntity | ||
| import com.google.gson.Gson | ||
| import com.google.gson.reflect.TypeToken | ||
|
|
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| @ProvidedTypeConverter | ||
| class Converters { | ||
| private val gson = Gson() | ||
|
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| @TypeConverter | ||
| fun fromHourlyWeatherEntityList(hourlyList: List<HourlyWeatherEntity>): String { | ||
|
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| return gson.toJson(hourlyList) | ||
| } | ||
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| @TypeConverter | ||
| fun toHourlyWeatherEntityList(json: String): List<HourlyWeatherEntity> { | ||
| val type = object : TypeToken<List<HourlyWeatherEntity>>() {}.type | ||
| return gson.fromJson(json, type) | ||
| } | ||
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| @TypeConverter | ||
| fun fromDailyWeatherEntityList(dailyList: List<DailyWeatherEntity>): String { | ||
| return gson.toJson(dailyList) | ||
| } | ||
|
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| @TypeConverter | ||
| fun toDailyWeatherEntityList(json: String): List<DailyWeatherEntity> { | ||
| val type = object : TypeToken<List<DailyWeatherEntity>>() {}.type | ||
| return gson.fromJson(json, type) | ||
| } | ||
|
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| @TypeConverter | ||
| fun fromWeatherInfoResponseEntityList(weatherList: List<WeatherInfoResponseEntity>): String { | ||
| return gson.toJson(weatherList) | ||
| } | ||
|
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| @TypeConverter | ||
| fun toWeatherInfoResponseEntityList(json: String): List<WeatherInfoResponseEntity> { | ||
| val type = object : TypeToken<List<WeatherInfoResponseEntity>>() {}.type | ||
| return gson.fromJson(json, type) | ||
| } | ||
|
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| @TypeConverter | ||
| fun fromTemperatureEntity(temperature: TemperatureEntity): String { | ||
| return gson.toJson(temperature) | ||
| } | ||
|
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| @TypeConverter | ||
| fun toTemperatureEntity(json: String): TemperatureEntity { | ||
| return gson.fromJson(json, TemperatureEntity::class.java) | ||
| } | ||
| } | ||
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use something modern like moshi or kotlinx.serialization
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Okay. On it