Refactoring db module structure

core/database/api/build.gradle.kts

@@ -0,0 +1,28 @@
+plugins {
+    alias(libs.plugins.android.library)
+    alias(libs.plugins.kotlin.android)
+}
+
+android {
+    namespace = "ru.fincode.tsudesk.core.database.api"
+    compileSdk = libs.versions.compileSdk.get().toInt()
+
+    defaultConfig {
+        minSdk = libs.versions.minSdk.get().toInt()
+        consumerProguardFiles("consumer-rules.pro")
+    }
+
+    val jvm = JavaVersion.toVersion(libs.versions.jvmTarget.get())
+    compileOptions {
+        sourceCompatibility = jvm
+        targetCompatibility = jvm
+    }
+    kotlinOptions {
+        jvmTarget = jvm.toString()
+    }
+}
+
+dependencies {
+    api(libs.room.runtime)
+    api(libs.kotlinx.coroutines.core)
+}

core/database/api/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

core/database/api/src/main/java/ru/fincode/tsudesk/core/database/api/schedule/Constants.kt

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+package ru.fincode.tsudesk.core.database.api.schedule
+
+object Constants {
+    const val SCHEDULE_TABLE = "schedule_cache"
+    const val LESSON_TABLE = "lesson_cache"
+
+    const val COL_SCHEDULE_KEY = "scheduleKey"
+    const val COL_KEY = "key"
+
+    const val GROUP_PRE_KEY = "group:"
+    const val TEACHER_PRE_KEY = "teacher:"
+
+}

core/database/api/src/main/java/ru/fincode/tsudesk/core/database/api/schedule/LessonCacheEntity.kt

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+package ru.fincode.tsudesk.core.database.api.schedule
+
+import androidx.room.Entity
+import androidx.room.Index
+import androidx.room.PrimaryKey
+import ru.fincode.tsudesk.core.database.api.schedule.Constants.COL_SCHEDULE_KEY
+import ru.fincode.tsudesk.core.database.api.schedule.Constants.LESSON_TABLE
+
+@Entity(
+    tableName = LESSON_TABLE,
+    indices = [Index(value = [COL_SCHEDULE_KEY])]
+)
+data class LessonCacheEntity(
+    @PrimaryKey(autoGenerate = true) val id: Long = 0,
+
+    val scheduleKey: String,
+    val date: String,
+    val time: String,
+    val name: String,
+    val typeName: String,
+    val room: String,
+    val teacher: String,
+    val groupIds: List<String>,
+    val type: String
+)

core/database/api/src/main/java/ru/fincode/tsudesk/core/database/api/schedule/Query.kt

@@ -0,0 +1,21 @@
+package ru.fincode.tsudesk.core.database.api.schedule
+
+import ru.fincode.tsudesk.core.database.api.schedule.Constants.COL_KEY
+import ru.fincode.tsudesk.core.database.api.schedule.Constants.COL_SCHEDULE_KEY
+import ru.fincode.tsudesk.core.database.api.schedule.Constants.LESSON_TABLE
+import ru.fincode.tsudesk.core.database.api.schedule.Constants.SCHEDULE_TABLE
+
+object Query {
+
+    const val SELECT_LESSON_BY_KEY_QUERY =
+        "SELECT * FROM ${LESSON_TABLE} WHERE ${COL_SCHEDULE_KEY} = :key"
+
+    const val SELECT_SCHEDULE_BY_KEY_QUERY =
+        "SELECT * FROM ${SCHEDULE_TABLE} WHERE `${COL_KEY}` = :key LIMIT 1"
+
+    const val DELETE_LESSON_BY_KEY_QUERY =
+        "DELETE FROM ${LESSON_TABLE} WHERE ${COL_SCHEDULE_KEY} = :key"
+
+    const val DELETE_SCHEDULE_BY_KEY_QUERY =
+        "DELETE FROM ${SCHEDULE_TABLE} WHERE `${COL_KEY}` = :key"
+}

core/database/api/src/main/java/ru/fincode/tsudesk/core/database/api/schedule/ScheduleCacheEntity.kt

@@ -0,0 +1,12 @@
+package ru.fincode.tsudesk.core.database.api.schedule
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import ru.fincode.tsudesk.core.database.api.schedule.Constants.SCHEDULE_TABLE
+
+@Entity(tableName = SCHEDULE_TABLE)
+data class ScheduleCacheEntity(
+    @PrimaryKey
+    val key: String, // "group:220631" | "teacher:ФИО"
+    val timestamp: Long
+)

core/database/api/src/main/java/ru/fincode/tsudesk/core/database/api/schedule/ScheduleDao.kt

@@ -0,0 +1,57 @@
+package ru.fincode.tsudesk.core.database.api.schedule
+
+import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Query
+import androidx.room.Transaction
+import kotlinx.coroutines.flow.Flow
+import ru.fincode.tsudesk.core.database.api.schedule.Query.DELETE_LESSON_BY_KEY_QUERY
+import ru.fincode.tsudesk.core.database.api.schedule.Query.DELETE_SCHEDULE_BY_KEY_QUERY
+import ru.fincode.tsudesk.core.database.api.schedule.Query.SELECT_LESSON_BY_KEY_QUERY
+import ru.fincode.tsudesk.core.database.api.schedule.Query.SELECT_SCHEDULE_BY_KEY_QUERY
+
+@Dao
+interface ScheduleDao {
+
+    @Query(SELECT_SCHEDULE_BY_KEY_QUERY)
+    fun observeSchedule(key: String): Flow<ScheduleCacheEntity?>
+
+    @Query(SELECT_LESSON_BY_KEY_QUERY)
+    fun observeLessons(key: String): Flow<List<LessonCacheEntity>>
+
+    @Query(SELECT_SCHEDULE_BY_KEY_QUERY)
+    suspend fun getSchedule(key: String): ScheduleCacheEntity?
+
+    @Query(SELECT_LESSON_BY_KEY_QUERY)
+    suspend fun getLessons(key: String): List<LessonCacheEntity>
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun upsertSchedule(schedule: ScheduleCacheEntity)
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insertLessons(lessons: List<LessonCacheEntity>)
+
+    @Query(DELETE_LESSON_BY_KEY_QUERY)
+    suspend fun deleteLessonsByKey(key: String)
+
+    @Query(DELETE_SCHEDULE_BY_KEY_QUERY)
+    suspend fun deleteScheduleByKey(key: String)
+
+    @Transaction
+    suspend fun replaceSchedule(
+        key: String,
+        schedule: ScheduleCacheEntity,
+        lessons: List<LessonCacheEntity>
+    ) {
+        deleteLessonsByKey(key)
+        upsertSchedule(schedule)
+        insertLessons(lessons)
+    }
+
+    @Transaction
+    suspend fun clearSchedule(key: String) {
+        deleteLessonsByKey(key)
+        deleteScheduleByKey(key)
+    }
+}