2.1.0

Окончательный, по моему мнению, фикс запуска постоянного уведомления. Добавлена возможность просмотра расписания конкретного преподавателя.
2025-12-06 09:47:48 +03:00 · 2024-11-03 07:18:33 +04:00
parent 637a66a647
commit c9bb2b6b1e
31 changed files with 768 additions and 178 deletions
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -33,8 +33,8 @@ android {
        applicationId = "ru.n08i40k.polytechnic.next"
        minSdk = 26
        targetSdk = 35
-        versionCode = 19
-        versionName = "2.0.3"
+        versionCode = 20
+        versionName = "2.1.0"

        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
        vectorDrawables {
@@ -128,6 +128,9 @@ dependencies {
    implementation(libs.androidx.navigation.compose)

    testImplementation(libs.junit)
+    testImplementation(libs.mockito.kotlin)
+
+
    androidTestImplementation(libs.androidx.junit)
    androidTestImplementation(libs.androidx.espresso.core)
    androidTestImplementation(platform(libs.androidx.compose.bom))
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/data/schedule/ScheduleRepository.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/data/schedule/ScheduleRepository.kt
@@ -1,8 +1,10 @@
 package ru.n08i40k.polytechnic.next.data.schedule

 import ru.n08i40k.polytechnic.next.data.MyResult
-import ru.n08i40k.polytechnic.next.model.Group
+import ru.n08i40k.polytechnic.next.model.GroupOrTeacher

 interface ScheduleRepository {
-    suspend fun getGroup(): MyResult<Group>
+    suspend fun getGroup(): MyResult<GroupOrTeacher>
+
+    suspend fun getTeacher(name: String): MyResult<GroupOrTeacher>
 }
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/data/schedule/impl/FakeScheduleRepository.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/data/schedule/impl/FakeScheduleRepository.kt
@@ -11,7 +11,7 @@ import kotlinx.datetime.toInstant
 import ru.n08i40k.polytechnic.next.data.MyResult
 import ru.n08i40k.polytechnic.next.data.schedule.ScheduleRepository
 import ru.n08i40k.polytechnic.next.model.Day
-import ru.n08i40k.polytechnic.next.model.Group
+import ru.n08i40k.polytechnic.next.model.GroupOrTeacher
 import ru.n08i40k.polytechnic.next.model.Lesson
 import ru.n08i40k.polytechnic.next.model.LessonTime
 import ru.n08i40k.polytechnic.next.model.LessonType
@@ -31,14 +31,15 @@ private fun genBreak(start: Instant, end: Instant): Lesson {
            start,
            end
        ),
-        subGroups = listOf()
+        subGroups = listOf(),
+        group = null
    )
 }

 class FakeScheduleRepository : ScheduleRepository {
    @Suppress("SpellCheckingInspection")
    companion object {
-        val exampleGroup = Group(
+        val exampleGroup = GroupOrTeacher(
            name = "ИС-214/23", days = arrayListOf(
                Day(
                    name = "Понедельник",
@@ -52,7 +53,8 @@ class FakeScheduleRepository : ScheduleRepository {
                                genLocalDateTime(8, 30),
                                genLocalDateTime(8, 40),
                            ),
-                            subGroups = listOf()
+                            subGroups = listOf(),
+                            group = null
                        ),
                        genBreak(
                            genLocalDateTime(8, 40),
@@ -66,7 +68,8 @@ class FakeScheduleRepository : ScheduleRepository {
                                genLocalDateTime(8, 45),
                                genLocalDateTime(9, 15),
                            ),
-                            subGroups = listOf()
+                            subGroups = listOf(),
+                            group = null
                        ),
                        genBreak(
                            genLocalDateTime(9, 15),
@@ -86,7 +89,8 @@ class FakeScheduleRepository : ScheduleRepository {
                                    number = 1,
                                    cabinet = "43"
                                )
-                            )
+                            ),
+                            group = null
                        ),
                        genBreak(
                            genLocalDateTime(10, 45),
@@ -111,7 +115,8 @@ class FakeScheduleRepository : ScheduleRepository {
                                    number = 2,
                                    cabinet = "44"
                                ),
-                            )
+                            ),
+                            group = null
                        ),
                        genBreak(
                            genLocalDateTime(12, 15),
@@ -136,7 +141,118 @@ class FakeScheduleRepository : ScheduleRepository {
                                    number = 2,
                                    cabinet = "41"
                                ),
+                            ),
+                            group = null
+                        ),
                    )
+                )
+            )
+        )
+
+        val exampleTeacher = GroupOrTeacher(
+            name = "Хомченко Н.Е.", days = arrayListOf(
+                Day(
+                    name = "Понедельник",
+                    date = LocalDateTime.now().toInstant(TimeZone.currentSystemDefault()),
+                    lessons = listOf(
+                        Lesson(
+                            type = LessonType.ADDITIONAL,
+                            defaultRange = null,
+                            name = "Линейка",
+                            time = LessonTime(
+                                genLocalDateTime(8, 30),
+                                genLocalDateTime(8, 40),
+                            ),
+                            subGroups = listOf(),
+                            group = "ИС-214/23"
+                        ),
+                        genBreak(
+                            genLocalDateTime(8, 40),
+                            genLocalDateTime(8, 45),
+                        ),
+                        Lesson(
+                            type = LessonType.ADDITIONAL,
+                            defaultRange = null,
+                            name = "Разговор о важном",
+                            time = LessonTime(
+                                genLocalDateTime(8, 45),
+                                genLocalDateTime(9, 15),
+                            ),
+                            subGroups = listOf(),
+                            group = "ИС-214/23"
+                        ),
+                        genBreak(
+                            genLocalDateTime(9, 15),
+                            genLocalDateTime(9, 25),
+                        ),
+                        Lesson(
+                            type = LessonType.DEFAULT,
+                            defaultRange = listOf(1, 1),
+                            name = "МДК.05.01 Проектирование и дизайн информационных систем",
+                            time = LessonTime(
+                                genLocalDateTime(9, 25),
+                                genLocalDateTime(10, 45),
+                            ),
+                            subGroups = listOf(
+                                SubGroup(
+                                    teacher = "Ивашова А.Н.",
+                                    number = 1,
+                                    cabinet = "43"
+                                )
+                            ),
+                            group = "ИС-214/23"
+                        ),
+                        genBreak(
+                            genLocalDateTime(10, 45),
+                            genLocalDateTime(10, 55),
+                        ),
+                        Lesson(
+                            type = LessonType.DEFAULT,
+                            defaultRange = listOf(2, 2),
+                            name = "Основы проектирования баз данных",
+                            time = LessonTime(
+                                genLocalDateTime(10, 55),
+                                genLocalDateTime(12, 15),
+                            ),
+                            subGroups = listOf(
+                                SubGroup(
+                                    teacher = "Чинарева Е.А.",
+                                    number = 1,
+                                    cabinet = "21"
+                                ),
+                                SubGroup(
+                                    teacher = "Ивашова А.Н.",
+                                    number = 2,
+                                    cabinet = "44"
+                                ),
+                            ),
+                            group = "ИС-214/23"
+                        ),
+                        genBreak(
+                            genLocalDateTime(12, 15),
+                            genLocalDateTime(12, 35),
+                        ),
+                        Lesson(
+                            type = LessonType.DEFAULT,
+                            defaultRange = listOf(3, 3),
+                            name = "Операционные системы и среды",
+                            time = LessonTime(
+                                genLocalDateTime(12, 35),
+                                genLocalDateTime(13, 55),
+                            ),
+                            subGroups = listOf(
+                                SubGroup(
+                                    teacher = "Сергачева А.О.",
+                                    number = 1,
+                                    cabinet = "42"
+                                ),
+                                SubGroup(
+                                    teacher = "Воронцева Н.В.",
+                                    number = 2,
+                                    cabinet = "41"
+                                ),
+                            ),
+                            group = "ИС-214/23"
                        ),
                    )
                )
@@ -144,11 +260,12 @@ class FakeScheduleRepository : ScheduleRepository {
        )
    }

-    private val group = MutableStateFlow<Group?>(exampleGroup)
+    private val group = MutableStateFlow<GroupOrTeacher?>(exampleGroup)
+    private val teacher = MutableStateFlow<GroupOrTeacher?>(exampleTeacher)

    private var updateCounter: Int = 0

-    override suspend fun getGroup(): MyResult<Group> {
+    override suspend fun getGroup(): MyResult<GroupOrTeacher> {
        return withContext(Dispatchers.IO) {
            delay(1500)
            if (updateCounter++ % 3 == 0) MyResult.Failure(
@@ -157,4 +274,14 @@ class FakeScheduleRepository : ScheduleRepository {
            else MyResult.Success(group.value!!)
        }
    }
+
+    override suspend fun getTeacher(name: String): MyResult<GroupOrTeacher> {
+        return withContext(Dispatchers.IO) {
+            delay(1500)
+            if (updateCounter++ % 3 == 0) MyResult.Failure(
+                IllegalStateException()
+            )
+            else MyResult.Success(teacher.value!!)
+        }
+    }
 }
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/data/schedule/impl/RemoteScheduleRepository.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/data/schedule/impl/RemoteScheduleRepository.kt
@@ -5,12 +5,13 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import ru.n08i40k.polytechnic.next.data.MyResult
 import ru.n08i40k.polytechnic.next.data.schedule.ScheduleRepository
-import ru.n08i40k.polytechnic.next.model.Group
+import ru.n08i40k.polytechnic.next.model.GroupOrTeacher
 import ru.n08i40k.polytechnic.next.network.request.schedule.ScheduleGet
+import ru.n08i40k.polytechnic.next.network.request.schedule.ScheduleGetTeacher
 import ru.n08i40k.polytechnic.next.network.tryFuture

 class RemoteScheduleRepository(private val context: Context) : ScheduleRepository {
-    override suspend fun getGroup(): MyResult<Group> =
+    override suspend fun getGroup(): MyResult<GroupOrTeacher> =
        withContext(Dispatchers.IO) {
            val response = tryFuture {
                ScheduleGet(
@@ -25,4 +26,21 @@ class RemoteScheduleRepository(private val context: Context) : ScheduleRepositor
                is MyResult.Success -> MyResult.Success(response.data.group)
            }
        }
+
+    override suspend fun getTeacher(name: String): MyResult<GroupOrTeacher> =
+        withContext(Dispatchers.IO) {
+            val response = tryFuture {
+                ScheduleGetTeacher(
+                    context,
+                    name,
+                    it,
+                    it
+                )
+            }
+
+            when (response) {
+                is MyResult.Failure -> response
+                is MyResult.Success -> MyResult.Success(response.data.teacher)
+            }
+        }
 }
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/model/Day.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/model/Day.kt
@@ -15,11 +15,13 @@ import ru.n08i40k.polytechnic.next.utils.now
@Parcelize
@Suppress("unused", "MemberVisibilityCanBePrivate")
@Serializable
-class Day(
+data class Day(
    val name: String,
+
    @Serializable(with = InstantAsLongSerializer::class)
    @SerialName("date")
    private val dateMillis: Long,
+
    val lessons: List<Lesson>
 ) : Parcelable {
    constructor(name: String, date: Instant, lessons: List<Lesson>) : this(
@@ -29,30 +31,19 @@ class Day(
    val date: Instant
        get() = Instant.fromEpochMilliseconds(dateMillis)

-    fun distanceToNextByLocalDateTime(from: LocalDateTime): Pair<Int, Int>? {
-        val toIdx = lessons
-            .map { it.time.start }
-            .indexOfFirst { it.dateTime > from }
+    fun distanceToNext(from: LocalDateTime): Pair<Int, Int>? {
+        val nextIndex = lessons.map { it.time.start }.indexOfFirst { it.dateTime >= from }

-        if (toIdx == -1)
-            return null
+        if (nextIndex == -1) return null

-        return Pair(toIdx, lessons[toIdx].time.start.dayMinutes - from.dayMinutes)
+        return Pair(nextIndex, lessons[nextIndex].time.start.dayMinutes - from.dayMinutes)
    }

-    fun distanceToNextByIdx(from: Int? = null): Pair<Int, Int>? {
-        val fromLesson = if (from != null) lessons[from] else null
+    fun distanceToNext(fromIndex: Int? = null): Pair<Int, Int>? {
+        val fromLesson = fromIndex?.let { lessons[fromIndex] }
+        val fromTime = fromLesson?.time?.end?.dateTime ?: LocalDateTime.now()

-        if (from != null && fromLesson == null)
-            throw NullPointerException("Lesson (by given index) and it's time should be non-null!")
-
-        val fromTime =
-            if (from != null)
-                fromLesson!!.time.end.dateTime
-            else
-                LocalDateTime.now()
-
-        return distanceToNextByLocalDateTime(fromTime)
+        return distanceToNext(fromTime)
    }

    // current
@@ -63,8 +54,7 @@ class Day(
            for (lessonIdx in lessons.indices) {
                val lesson = lessons[lessonIdx]

-                if (lesson.time.start.dateTime <= now && now < lesson.time.end.dateTime)
-                    return lessonIdx
+                if (lesson.time.start.dateTime <= now && now < lesson.time.end.dateTime) return lessonIdx
            }

            return null
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/model/GroupOrTeacher.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/model/GroupOrTeacher.kt
@@ -8,7 +8,7 @@ import java.util.Calendar
@Suppress("MemberVisibilityCanBePrivate")
@Parcelize
@Serializable
-data class Group(
+data class GroupOrTeacher(
    val name: String,
    val days: List<Day>
 ) : Parcelable {
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/model/Lesson.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/model/Lesson.kt
@@ -15,6 +15,7 @@ data class Lesson(
    val defaultRange: List<Int>?,
    val name: String?,
    val time: LessonTime,
+    val group: String? = null,
    val subGroups: List<SubGroup>
 ) : Parcelable {
    val duration: Int
@@ -26,6 +27,10 @@ data class Lesson(
        }

    fun getNameAndCabinetsShort(context: Context): String {
+        val name =
+            if (type == LessonType.BREAK) context.getString(R.string.lesson_break)
+            else this.name
+
        val limitedName = name!! limit 15

        val cabinets = subGroups.map { it.cabinet }
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/network/request/schedule/ScheduleGet.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/network/request/schedule/ScheduleGet.kt
@@ -4,7 +4,7 @@ import android.content.Context
 import com.android.volley.Response
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.json.Json
-import ru.n08i40k.polytechnic.next.model.Group
+import ru.n08i40k.polytechnic.next.model.GroupOrTeacher
 import ru.n08i40k.polytechnic.next.network.request.CachedRequest

 class ScheduleGet(
@@ -18,13 +18,10 @@ class ScheduleGet(
    { listener.onResponse(Json.decodeFromString(it)) },
    errorListener
 ) {
-    @Serializable
-    data class RequestDto(val name: String)
-
    @Serializable
    data class ResponseDto(
        val updatedAt: String,
-        val group: Group,
+        val group: GroupOrTeacher,
        val updated: ArrayList<Int>,
    )
 }
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/network/request/schedule/ScheduleGetTeacher.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/network/request/schedule/ScheduleGetTeacher.kt
@@ -0,0 +1,28 @@
+package ru.n08i40k.polytechnic.next.network.request.schedule
+
+import android.content.Context
+import com.android.volley.Response
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.Json
+import ru.n08i40k.polytechnic.next.model.GroupOrTeacher
+import ru.n08i40k.polytechnic.next.network.request.CachedRequest
+
+class ScheduleGetTeacher(
+    context: Context,
+    teacher: String,
+    listener: Response.Listener<ResponseDto>,
+    errorListener: Response.ErrorListener? = null
+) : CachedRequest(
+    context,
+    Method.GET,
+    "v2/schedule/teacher/$teacher",
+    { listener.onResponse(Json.decodeFromString(it)) },
+    errorListener
+) {
+    @Serializable
+    data class ResponseDto(
+        val updatedAt: String,
+        val teacher: GroupOrTeacher,
+        val updated: ArrayList<Int>,
+    )
+}
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/network/request/schedule/ScheduleGetTeacherNames.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/network/request/schedule/ScheduleGetTeacherNames.kt
@@ -0,0 +1,24 @@
+package ru.n08i40k.polytechnic.next.network.request.schedule
+
+import android.content.Context
+import com.android.volley.Response
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.Json
+import ru.n08i40k.polytechnic.next.network.RequestBase
+
+class ScheduleGetTeacherNames(
+    context: Context,
+    listener: Response.Listener<ResponseDto>,
+    errorListener: Response.ErrorListener? = null
+) : RequestBase(
+    context,
+    Method.GET,
+    "v2/schedule/teacher-names",
+    { listener.onResponse(Json.decodeFromString(it)) },
+    errorListener
+) {
+    @Serializable
+    data class ResponseDto(
+        val names: ArrayList<String>,
+    )
+}
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/service/CurrentLessonViewService.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/service/CurrentLessonViewService.kt
@@ -16,20 +16,19 @@ import ru.n08i40k.polytechnic.next.PolytechnicApplication
 import ru.n08i40k.polytechnic.next.R
 import ru.n08i40k.polytechnic.next.data.MyResult
 import ru.n08i40k.polytechnic.next.model.Day
-import ru.n08i40k.polytechnic.next.model.Group
-import ru.n08i40k.polytechnic.next.model.Lesson
+import ru.n08i40k.polytechnic.next.model.GroupOrTeacher
 import ru.n08i40k.polytechnic.next.utils.dayMinutes
 import ru.n08i40k.polytechnic.next.utils.fmtAsClock
 import ru.n08i40k.polytechnic.next.utils.getDayMinutes
+import ru.n08i40k.polytechnic.next.utils.now
 import java.util.Calendar
 import java.util.logging.Logger

-@Suppress("UNNECESSARY_NOT_NULL_ASSERTION")
 class CurrentLessonViewService : Service() {
    companion object {
        private const val NOTIFICATION_STATUS_ID = 1337
        private const val NOTIFICATION_END_ID = NOTIFICATION_STATUS_ID + 1
-        private const val UPDATE_INTERVAL = 60_000L
+        private const val UPDATE_INTERVAL = 1_000L

        suspend fun startService(application: PolytechnicApplication) {
            if (!application.hasNotificationPermission())
@@ -59,35 +58,64 @@ class CurrentLessonViewService : Service() {
        }
    }

-    private var day: Day? = null
+    private lateinit var day: Day

    private val handler = Handler(Looper.getMainLooper())
+
    private val updateRunnable = object : Runnable {
        override fun run() {
-            val logger = Logger.getLogger("CLV.updateRunnable")
+            val (currentIndex, currentLesson) = day.currentKV ?: (null to null)
+            val (nextIndex, _) = day.distanceToNext(currentIndex)
+                ?: (null to null)

-            if (day == null || day!!.lessons.isEmpty()) {
-                logger.warning("Stopping, because day is null or empty!")
-                stopSelf()
+            val nextLesson = nextIndex?.let { day.lessons[nextIndex] }
+
+            if (currentLesson == null && nextLesson == null) {
+                onLessonsEnd()
                return
            }

-            val currentMinutes = Calendar.getInstance()
-                .get(Calendar.HOUR_OF_DAY) * 60 + Calendar.getInstance()
-                .get(Calendar.MINUTE)
+            handler.postDelayed(this, UPDATE_INTERVAL)

-            val currentLessonEntry = day!!.currentKV
-            val currentLessonIdx: Int? = currentLessonEntry?.first
-            val currentLesson: Lesson? = currentLessonEntry?.second
+            val context = this@CurrentLessonViewService
+            val currentMinutes = LocalDateTime.now().dayMinutes

-            val nextLessonEntry = day!!.distanceToNextByIdx(currentLessonIdx)
-            val nextLesson =
-                if (nextLessonEntry == null)
-                    null
+            val distanceToFirst = day.first!!.time.start.dayMinutes - currentMinutes
+
+            val currentLessonName =
+                currentLesson?.getNameAndCabinetsShort(context)
+                    ?: run {
+                        if (distanceToFirst > 0)
+                            getString(R.string.lessons_not_started)
                        else
-                    day!!.lessons[nextLessonEntry.first]
+                            getString(R.string.lesson_break)
+                    }

-            if (currentLesson == null && nextLesson == null) {
+            val nextLessonName =
+                nextLesson?.getNameAndCabinetsShort(context) ?: getString(R.string.lessons_end)
+
+            val nextLessonIn =
+                (currentLesson?.time?.end ?: nextLesson!!.time.start).dayMinutes
+
+            val notification = createNotification(
+                getString(
+                    if (distanceToFirst > 0) R.string.waiting_for_day_start_notification_title
+                    else R.string.lesson_going_notification_title,
+                    (nextLessonIn - currentMinutes) / 60,
+                    (nextLessonIn - currentMinutes) % 60
+                ),
+                getString(
+                    R.string.lesson_going_notification_description,
+                    currentLessonName,
+                    nextLessonIn.fmtAsClock(),
+                    nextLessonName,
+                )
+            )
+            getNotificationManager().notify(NOTIFICATION_STATUS_ID, notification)
+        }
+    }
+
+    private fun onLessonsEnd() {
        val notification = NotificationCompat
            .Builder(applicationContext, NotificationChannels.LESSON_VIEW)
            .setSmallIcon(R.drawable.schedule)
@@ -98,63 +126,6 @@ class CurrentLessonViewService : Service() {
        getNotificationManager().notify(NOTIFICATION_END_ID, notification)

        stopSelf()
-                return
-            }
-
-            val firstLessonIdx =
-                day!!.distanceToNextByLocalDateTime(LocalDateTime(1, 1, 1, 0, 0))?.first
-                    ?: throw NullPointerException("Is this even real?")
-            val distanceToFirst = day!!.lessons[firstLessonIdx]!!.time!!.start.dayMinutes - currentMinutes
-
-            val currentLessonDelay =
-                if (currentLesson == null) // Если эта пара - перемена, то конец перемены через (результат getDistanceToNext)
-                    nextLessonEntry!!.second
-                else // Если эта пара - обычная пара, то конец пары через (конец этой пары - текущее кол-во минут)
-                    currentLesson.time!!.end.dayMinutes - currentMinutes
-
-            val currentLessonName =
-                currentLesson?.getNameAndCabinetsShort(this@CurrentLessonViewService)
-                    ?: run {
-                        if (distanceToFirst > 0)
-                            getString(R.string.lessons_not_started)
-                        else
-                            getString(R.string.lesson_break)
-                    }
-
-            val nextLessonName =
-                if (currentLesson == null) // Если текущая пара - перемена
-                    nextLesson!!.getNameAndCabinetsShort(this@CurrentLessonViewService)
-                else if (nextLesson == null) // Если текущая пара - последняя
-                    getString(R.string.lessons_end)
-                else // Если после текущей пары есть ещё пара(ы)
-                    getString(R.string.lesson_break)
-
-            val nextLessonTotal =
-                if (currentLesson == null)
-                    nextLesson!!.time!!.start
-                else
-                    currentLesson.time!!.end
-
-            val notification = createNotification(
-                getString(
-                    if (distanceToFirst > 0)
-                        R.string.waiting_for_day_start_notification_title
-                    else
-                        R.string.lesson_going_notification_title,
-                    currentLessonDelay / 60,
-                    currentLessonDelay % 60
-                ),
-                getString(
-                    R.string.lesson_going_notification_description,
-                    currentLessonName,
-                    nextLessonTotal.dayMinutes.fmtAsClock(),
-                    nextLessonName,
-                )
-            )
-            getNotificationManager().notify(NOTIFICATION_STATUS_ID, notification)
-
-            handler.postDelayed(this, UPDATE_INTERVAL)
-        }
    }

    private fun createNotification(
@@ -176,7 +147,7 @@ class CurrentLessonViewService : Service() {
        return getSystemService(NOTIFICATION_SERVICE) as NotificationManager
    }

-    private fun updateSchedule(group: Group?) {
+    private fun updateSchedule(group: GroupOrTeacher?) {
        val logger = Logger.getLogger("CLV")

        if (group == null) {
@@ -223,7 +194,7 @@ class CurrentLessonViewService : Service() {

        updateSchedule(
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
-                intent.getParcelableExtra("group", Group::class.java)
+                intent.getParcelableExtra("group", GroupOrTeacher::class.java)
            } else {
                @Suppress("DEPRECATION")
                intent.getParcelableExtra("group")
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/Constants.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/Constants.kt
@@ -5,6 +5,7 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.AccountCircle
 import androidx.compose.material.icons.filled.Create
 import androidx.compose.material.icons.filled.DateRange
+import androidx.compose.material.icons.filled.Person
 import androidx.compose.ui.graphics.vector.ImageVector
 import ru.n08i40k.polytechnic.next.R

@@ -19,6 +20,7 @@ object Constants {
    val bottomNavItem = listOf(
        BottomNavItem(R.string.profile, Icons.Filled.AccountCircle, "profile"),
        BottomNavItem(R.string.replacer, Icons.Filled.Create, "replacer", true),
-        BottomNavItem(R.string.schedule, Icons.Filled.DateRange, "schedule")
+        BottomNavItem(R.string.schedule, Icons.Filled.DateRange, "schedule"),
+        BottomNavItem(R.string.teachers, Icons.Filled.Person, "teacher-schedule")
    )
 }
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/MainScreen.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/MainScreen.kt
@@ -70,12 +70,14 @@ import ru.n08i40k.polytechnic.next.ui.icons.appicons.filled.Download
 import ru.n08i40k.polytechnic.next.ui.icons.appicons.filled.Telegram
 import ru.n08i40k.polytechnic.next.ui.main.profile.ProfileScreen
 import ru.n08i40k.polytechnic.next.ui.main.replacer.ReplacerScreen
-import ru.n08i40k.polytechnic.next.ui.main.schedule.ScheduleScreen
+import ru.n08i40k.polytechnic.next.ui.main.schedule.group.GroupScheduleScreen
+import ru.n08i40k.polytechnic.next.ui.main.schedule.teacher.TeacherScheduleScreen
+import ru.n08i40k.polytechnic.next.ui.model.GroupScheduleViewModel
 import ru.n08i40k.polytechnic.next.ui.model.ProfileUiState
 import ru.n08i40k.polytechnic.next.ui.model.ProfileViewModel
 import ru.n08i40k.polytechnic.next.ui.model.RemoteConfigViewModel
 import ru.n08i40k.polytechnic.next.ui.model.ScheduleReplacerViewModel
-import ru.n08i40k.polytechnic.next.ui.model.ScheduleViewModel
+import ru.n08i40k.polytechnic.next.ui.model.TeacherScheduleViewModel
 import ru.n08i40k.polytechnic.next.ui.model.profileViewModel


@@ -83,7 +85,8 @@ import ru.n08i40k.polytechnic.next.ui.model.profileViewModel
 private fun NavHostContainer(
    navController: NavHostController,
    padding: PaddingValues,
-    scheduleViewModel: ScheduleViewModel,
+    groupScheduleViewModel: GroupScheduleViewModel,
+    teacherScheduleViewModel: TeacherScheduleViewModel,
    scheduleReplacerViewModel: ScheduleReplacerViewModel?
 ) {
    val context = LocalContext.current
@@ -121,7 +124,15 @@ private fun NavHostContainer(
        }

        composable("schedule") {
-            ScheduleScreen(scheduleViewModel) { scheduleViewModel.refreshGroup() }
+            GroupScheduleScreen(groupScheduleViewModel) { groupScheduleViewModel.refresh() }
+        }
+
+        composable("teacher-schedule") {
+            TeacherScheduleScreen(teacherScheduleViewModel) {
+                if (it.isNotEmpty()) teacherScheduleViewModel.fetch(
+                    it
+                )
+            }
        }

        if (scheduleReplacerViewModel != null) {
@@ -283,8 +294,12 @@ fun MainScreen(
        )

    // schedule view model
-    val scheduleViewModel =
-        hiltViewModel<ScheduleViewModel>(LocalContext.current as ComponentActivity)
+    val groupScheduleViewModel =
+        hiltViewModel<GroupScheduleViewModel>(LocalContext.current as ComponentActivity)
+
+    // teacher view model
+    val teacherScheduleViewModel =
+        hiltViewModel<TeacherScheduleViewModel>(LocalContext.current as ComponentActivity)

    // schedule replacer view model
    val profileUiState by profileViewModel.uiState.collectAsStateWithLifecycle()
@@ -312,7 +327,8 @@ fun MainScreen(
        NavHostContainer(
            navController,
            paddingValues,
-            scheduleViewModel,
+            groupScheduleViewModel,
+            teacherScheduleViewModel,
            scheduleReplacerViewModel
        )
    }
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/profile/ProfileCard.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/profile/ProfileCard.kt
@@ -38,7 +38,7 @@ import ru.n08i40k.polytechnic.next.R
 import ru.n08i40k.polytechnic.next.data.users.impl.FakeProfileRepository
 import ru.n08i40k.polytechnic.next.model.Profile
 import ru.n08i40k.polytechnic.next.settings.settingsDataStore
-import ru.n08i40k.polytechnic.next.ui.model.ScheduleViewModel
+import ru.n08i40k.polytechnic.next.ui.model.GroupScheduleViewModel
 import ru.n08i40k.polytechnic.next.ui.model.profileViewModel

@Preview(showBackground = true)
@@ -176,8 +176,8 @@ internal fun ProfileCard(profile: Profile = FakeProfileRepository.exampleProfile
                    }

                    if (groupChanging) {
-                        val scheduleViewModel =
-                            hiltViewModel<ScheduleViewModel>(LocalContext.current as ComponentActivity)
+                        val groupScheduleViewModel =
+                            hiltViewModel<GroupScheduleViewModel>(LocalContext.current as ComponentActivity)

                        ChangeGroupDialog(
                            context,
@@ -194,7 +194,7 @@ internal fun ProfileCard(profile: Profile = FakeProfileRepository.exampleProfile
                                        .clear()
                                }
                                context.profileViewModel!!.refreshProfile {
-                                    scheduleViewModel.refreshGroup()
+                                    groupScheduleViewModel.refresh()
                                }
                            }
                        ) { groupChanging = false }
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/schedule/DayCard.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/schedule/DayCard.kt
@@ -102,7 +102,7 @@ fun DayCard(
                text = stringResource(when (distance) {
                    -1 -> R.string.yesterday
                    0 -> R.string.today
-                    1 -> R.string.tommorow
+                    1 -> R.string.tomorrow
                    else -> throw RuntimeException()
                }),
            )
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/schedule/DayPager.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/schedule/DayPager.kt
@@ -17,7 +17,7 @@ import androidx.compose.ui.util.lerp
 import kotlinx.datetime.LocalDateTime
 import ru.n08i40k.polytechnic.next.R
 import ru.n08i40k.polytechnic.next.data.schedule.impl.FakeScheduleRepository
-import ru.n08i40k.polytechnic.next.model.Group
+import ru.n08i40k.polytechnic.next.model.GroupOrTeacher
 import ru.n08i40k.polytechnic.next.ui.widgets.NotificationCard
 import ru.n08i40k.polytechnic.next.utils.dateTime
 import ru.n08i40k.polytechnic.next.utils.now
@@ -25,9 +25,9 @@ import java.util.Calendar
 import java.util.logging.Level
 import kotlin.math.absoluteValue

-private fun isScheduleOutdated(group: Group): Boolean {
+private fun isScheduleOutdated(groupOrTeacher: GroupOrTeacher): Boolean {
    val nowDateTime = LocalDateTime.now()
-    val lastDay = group.days.lastOrNull() ?: return true
+    val lastDay = groupOrTeacher.days.lastOrNull() ?: return true
    val lastLesson = lastDay.last ?: return true

    return nowDateTime > lastLesson.time.end.dateTime
@@ -35,17 +35,17 @@ private fun isScheduleOutdated(group: Group): Boolean {

@Preview
@Composable
-fun DayPager(group: Group = FakeScheduleRepository.exampleGroup) {
+fun DayPager(groupOrTeacher: GroupOrTeacher = FakeScheduleRepository.exampleGroup) {
    val currentDay = (Calendar.getInstance().get(Calendar.DAY_OF_WEEK) - 2)
    val calendarDay = if (currentDay == -1) 6 else currentDay

    val pagerState = rememberPagerState(
        initialPage = calendarDay
-            .coerceAtMost(group.days.size - 1),
-        pageCount = { group.days.size })
+            .coerceAtMost(groupOrTeacher.days.size - 1),
+        pageCount = { groupOrTeacher.days.size })

    Column {
-        if (isScheduleOutdated(group)) {
+        if (isScheduleOutdated(groupOrTeacher)) {
            NotificationCard(
                level = Level.WARNING,
                title = stringResource(R.string.outdated_schedule)
@@ -73,7 +73,7 @@ fun DayPager(group: Group = FakeScheduleRepository.exampleGroup) {
                        start = 0.5f, stop = 1f, fraction = 1f - offset.coerceIn(0f, 1f)
                    )
                },
-                day = group.days[page],
+                day = groupOrTeacher.days[page],
                distance = page - currentDay
            )
        }
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/schedule/LessonView.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/schedule/LessonView.kt
@@ -117,6 +117,7 @@ private fun LessonViewRow(
    timeFormat: LessonTimeFormat = LessonTimeFormat.FROM_TO,
    name: String = "Test",
    subGroups: List<SubGroup> = listOf(),
+    group: String? = "ИС-214/23",
    cardColors: CardColors = CardDefaults.cardColors(),
    verticalPadding: Dp = 10.dp,
    now: Boolean = true,
@@ -201,6 +202,16 @@ private fun LessonViewRow(
                            color = contentColor
                        )

+                        if (group != null) {
+                            Text(
+                                text = group,
+                                fontWeight = FontWeight.Medium,
+                                maxLines = 1,
+                                overflow = TextOverflow.Ellipsis,
+                                color = contentColor
+                            )
+                        }
+
                        for (subGroup in subGroups) {
                            Text(
                                text = subGroup.teacher,
@@ -212,8 +223,10 @@ private fun LessonViewRow(
                    }

                    Column(modifier = Modifier.wrapContentWidth()) {
-                        if (subGroups.size != 1)
+                        if (subGroups.size != 1) {
+                            for (i in 0..<(if (group != null) 2 else 1))
                                Text(text = "")
+                        }
                        for (subGroup in subGroups) {
                            Text(
                                text = subGroup.cabinet,
@@ -244,6 +257,7 @@ fun FreeLessonRow(
        LessonTimeFormat.ONLY_MINUTES_DURATION,
        stringResource(R.string.lesson_break),
        lesson.subGroups,
+        lesson.group,
        cardColors,
        2.5.dp,
        now
@@ -264,6 +278,7 @@ fun LessonRow(
        LessonTimeFormat.FROM_TO,
        lesson.name!!,
        lesson.subGroups,
+        lesson.group,
        cardColors,
        5.dp,
        now
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/schedule/group/GroupScheduleScreen.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/schedule/group/GroupScheduleScreen.kt
@@ -1,4 +1,4 @@
-package ru.n08i40k.polytechnic.next.ui.main.schedule
+package ru.n08i40k.polytechnic.next.ui.main.schedule.group

 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
@@ -26,9 +26,10 @@ import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import kotlinx.coroutines.delay
 import ru.n08i40k.polytechnic.next.R
 import ru.n08i40k.polytechnic.next.data.MockAppContainer
+import ru.n08i40k.polytechnic.next.ui.main.schedule.DayPager
+import ru.n08i40k.polytechnic.next.ui.model.GroupScheduleUiState
+import ru.n08i40k.polytechnic.next.ui.model.GroupScheduleViewModel
 import ru.n08i40k.polytechnic.next.ui.widgets.LoadingContent
-import ru.n08i40k.polytechnic.next.ui.model.ScheduleUiState
-import ru.n08i40k.polytechnic.next.ui.model.ScheduleViewModel

@Composable
 private fun rememberUpdatedLifecycleOwner(): LifecycleOwner {
@@ -38,11 +39,11 @@ private fun rememberUpdatedLifecycleOwner(): LifecycleOwner {

@Preview(showBackground = true, showSystemUi = true)
@Composable
-fun ScheduleScreen(
-    scheduleViewModel: ScheduleViewModel = ScheduleViewModel(MockAppContainer(LocalContext.current)),
+fun GroupScheduleScreen(
+    groupScheduleViewModel: GroupScheduleViewModel = GroupScheduleViewModel(MockAppContainer(LocalContext.current)),
    onRefresh: () -> Unit = {}
 ) {
-    val uiState by scheduleViewModel.uiState.collectAsStateWithLifecycle()
+    val uiState by groupScheduleViewModel.uiState.collectAsStateWithLifecycle()
    LaunchedEffect(uiState) {
        delay(120_000)
        onRefresh()
@@ -69,25 +70,25 @@ fun ScheduleScreen(

    LoadingContent(
        empty = when (uiState) {
-            is ScheduleUiState.NoSchedule -> uiState.isLoading
-            is ScheduleUiState.HasSchedule -> false
+            is GroupScheduleUiState.NoData -> uiState.isLoading
+            is GroupScheduleUiState.HasData -> false
        },
        loading = uiState.isLoading,
        onRefresh = onRefresh,
        verticalArrangement = Arrangement.Top
    ) {
        when (uiState) {
-            is ScheduleUiState.HasSchedule -> {
+            is GroupScheduleUiState.HasData -> {
                Column {
-                    val hasSchedule = uiState as ScheduleUiState.HasSchedule
+                    val hasData = uiState as GroupScheduleUiState.HasData

-                    UpdateInfo(hasSchedule.lastUpdateAt, hasSchedule.updateDates)
+                    UpdateInfo(hasData.lastUpdateAt, hasData.updateDates)
                    Spacer(Modifier.height(10.dp))
-                    DayPager(hasSchedule.group)
+                    DayPager(hasData.group)
                }
            }

-            is ScheduleUiState.NoSchedule -> {
+            is GroupScheduleUiState.NoData -> {
                if (!uiState.isLoading) {
                    TextButton(onClick = onRefresh, modifier = Modifier.fillMaxSize()) {
                        Text(stringResource(R.string.reload), textAlign = TextAlign.Center)
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/schedule/group/Paskhalko.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/schedule/group/Paskhalko.kt
@@ -1,4 +1,4 @@
-package ru.n08i40k.polytechnic.next.ui.main.schedule
+package ru.n08i40k.polytechnic.next.ui.main.schedule.group

 import androidx.compose.foundation.Image
 import androidx.compose.runtime.Composable
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/schedule/group/UpdateInfo.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/schedule/group/UpdateInfo.kt
@@ -1,4 +1,4 @@
-package ru.n08i40k.polytechnic.next.ui.main.schedule
+package ru.n08i40k.polytechnic.next.ui.main.schedule.group

 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/schedule/teacher/SearchBox.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/schedule/teacher/SearchBox.kt
@@ -0,0 +1,90 @@
+package ru.n08i40k.polytechnic.next.ui.main.schedule.teacher
+
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Search
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.ExposedDropdownMenuBox
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MenuAnchorType
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextField
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.focus.onFocusChanged
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun SearchBox(
+    title: String,
+    onSearchAttempt: (String) -> Unit,
+    variants: List<String>,
+) {
+    var value by remember { mutableStateOf("") }
+
+    val searchableVariants =
+        remember(variants.size) { variants.map { it.replace(" ", "").replace(".", "").lowercase() } }
+    val filteredVariants = remember(searchableVariants, value) {
+        searchableVariants.filter { it.contains(value) }
+    }
+
+    var dropdownExpanded by remember { mutableStateOf(false) }
+
+    ExposedDropdownMenuBox(
+        expanded = dropdownExpanded,
+        onExpandedChange = {}
+    ) {
+        Row(modifier = Modifier.fillMaxWidth()) {
+            TextField(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .onFocusChanged {
+                        if (it.hasFocus)
+                            dropdownExpanded = true
+                    }
+                    .menuAnchor(MenuAnchorType.PrimaryEditable, true),
+                label = { Text(title) },
+                value = value,
+                onValueChange = {
+                    value = it
+                    dropdownExpanded = true
+                },
+                trailingIcon = {
+                    IconButton(onClick = { onSearchAttempt(value) }) {
+                        Icon(
+                            imageVector = Icons.Filled.Search,
+                            contentDescription = "Search"
+                        )
+                    }
+                },
+                singleLine = true,
+            )
+        }
+
+        ExposedDropdownMenu(
+            expanded = dropdownExpanded,
+            onDismissRequest = { dropdownExpanded = false }
+        ) {
+            filteredVariants.forEach {
+                val fullVariant = variants[searchableVariants.indexOf(it)]
+
+                DropdownMenuItem(
+                    text = { Text(fullVariant) },
+                    onClick = {
+                        value = fullVariant
+                        onSearchAttempt(value)
+
+                        dropdownExpanded = false
+                    }
+                )
+            }
+        }
+    }
+}
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/schedule/teacher/TeacherScheduleScreen.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/schedule/teacher/TeacherScheduleScreen.kt
@@ -0,0 +1,114 @@
+package ru.n08i40k.polytechnic.next.ui.main.schedule.teacher
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.height
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleEventObserver
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.compose.LocalLifecycleOwner
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import kotlinx.coroutines.delay
+import ru.n08i40k.polytechnic.next.R
+import ru.n08i40k.polytechnic.next.data.MockAppContainer
+import ru.n08i40k.polytechnic.next.ui.main.schedule.DayPager
+import ru.n08i40k.polytechnic.next.ui.model.TeacherScheduleUiState
+import ru.n08i40k.polytechnic.next.ui.model.TeacherScheduleViewModel
+import ru.n08i40k.polytechnic.next.ui.widgets.LoadingContent
+
+@Composable
+private fun rememberUpdatedLifecycleOwner(): LifecycleOwner {
+    val lifecycleOwner = LocalLifecycleOwner.current
+    return remember { lifecycleOwner }
+}
+
+@Preview(showBackground = true, showSystemUi = true)
+@Composable
+fun TeacherScheduleScreen(
+    teacherScheduleViewModel: TeacherScheduleViewModel = TeacherScheduleViewModel(
+        MockAppContainer(
+            LocalContext.current
+        )
+    ),
+    fetch: (String) -> Unit = {}
+) {
+    var teacherName by remember { mutableStateOf("") }
+
+    val uiState by teacherScheduleViewModel.uiState.collectAsStateWithLifecycle()
+    LaunchedEffect(uiState) {
+        delay(120_000)
+        fetch(teacherName)
+    }
+
+    val lifecycleOwner = rememberUpdatedLifecycleOwner()
+
+    DisposableEffect(lifecycleOwner) {
+        val observer = LifecycleEventObserver { _, event ->
+            when (event) {
+                Lifecycle.Event.ON_RESUME -> {
+                    fetch(teacherName)
+                }
+
+                else -> Unit
+            }
+        }
+
+        lifecycleOwner.lifecycle.addObserver(observer)
+
+        onDispose {
+            lifecycleOwner.lifecycle.removeObserver(observer)
+        }
+    }
+
+    Column(Modifier.fillMaxSize()) {
+        TeacherSearchBox(onSearchAttempt = {
+            teacherName = it
+            fetch(it)
+        })
+
+        Spacer(Modifier.height(10.dp))
+
+        LoadingContent(
+            empty = when (uiState) {
+                is TeacherScheduleUiState.NoData -> uiState.isLoading
+                is TeacherScheduleUiState.HasData -> false
+            },
+            loading = uiState.isLoading,
+        ) {
+            when (uiState) {
+                is TeacherScheduleUiState.HasData -> {
+                    Column {
+                        val hasData = uiState as TeacherScheduleUiState.HasData
+
+                        DayPager(hasData.teacher)
+                    }
+                }
+
+                is TeacherScheduleUiState.NoData -> {
+                    if (!uiState.isLoading) {
+                        Text(
+                            modifier = Modifier.fillMaxSize(),
+                            text = stringResource(R.string.teacher_not_selected),
+                            textAlign = TextAlign.Center
+                        )
+                    }
+                }
+            }
+        }
+    }
+}
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/schedule/teacher/TeacherSearchBox.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/main/schedule/teacher/TeacherSearchBox.kt
@@ -0,0 +1,46 @@
+package ru.n08i40k.polytechnic.next.ui.main.schedule.teacher
+
+import android.content.Context
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.remember
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalFocusManager
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import ru.n08i40k.polytechnic.next.R
+import ru.n08i40k.polytechnic.next.network.request.schedule.ScheduleGetTeacherNames
+
+@Composable
+private fun getTeacherNames(context: Context): ArrayList<String> {
+    val teacherNames = remember { arrayListOf<String>() }
+
+    LaunchedEffect(teacherNames) {
+        ScheduleGetTeacherNames(context, {
+            teacherNames.clear()
+            teacherNames.addAll(it.names)
+        }, {
+            teacherNames.clear()
+        }).send()
+    }
+
+    return teacherNames
+}
+
+@Preview(showBackground = true)
+@Composable
+fun TeacherSearchBox(
+    onSearchAttempt: (String) -> Unit = {},
+) {
+    val teachers = getTeacherNames(LocalContext.current)
+    val focusManager = LocalFocusManager.current
+
+    SearchBox(
+        stringResource(R.string.teacher_name),
+        {
+            focusManager.clearFocus(true)
+            onSearchAttempt(it)
+        },
+        teachers,
+    )
+}
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/model/GroupScheduleViewModel.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/model/GroupScheduleViewModel.kt
@@ -12,55 +12,55 @@ import kotlinx.coroutines.launch
 import ru.n08i40k.polytechnic.next.UpdateDates
 import ru.n08i40k.polytechnic.next.data.AppContainer
 import ru.n08i40k.polytechnic.next.data.MyResult
-import ru.n08i40k.polytechnic.next.model.Group
+import ru.n08i40k.polytechnic.next.model.GroupOrTeacher
 import java.util.Date
 import javax.inject.Inject

-sealed interface ScheduleUiState {
+sealed interface GroupScheduleUiState {
    val isLoading: Boolean

-    data class NoSchedule(
+    data class NoData(
        override val isLoading: Boolean
-    ) : ScheduleUiState
+    ) : GroupScheduleUiState

-    data class HasSchedule(
-        val group: Group,
+    data class HasData(
+        val group: GroupOrTeacher,
        val updateDates: UpdateDates,
        val lastUpdateAt: Long,
        override val isLoading: Boolean
-    ) : ScheduleUiState
+    ) : GroupScheduleUiState
 }

-private data class ScheduleViewModelState(
-    val group: Group? = null,
+private data class GroupScheduleViewModelState(
+    val group: GroupOrTeacher? = null,
    val updateDates: UpdateDates? = null,
    val lastUpdateAt: Long = 0,
    val isLoading: Boolean = false
 ) {
-    fun toUiState(): ScheduleUiState = if (group == null) {
-        ScheduleUiState.NoSchedule(isLoading)
+    fun toUiState(): GroupScheduleUiState = if (group == null) {
+        GroupScheduleUiState.NoData(isLoading)
    } else {
-        ScheduleUiState.HasSchedule(group, updateDates!!, lastUpdateAt, isLoading)
+        GroupScheduleUiState.HasData(group, updateDates!!, lastUpdateAt, isLoading)
    }
 }

@HiltViewModel
-class ScheduleViewModel @Inject constructor(
+class GroupScheduleViewModel @Inject constructor(
    appContainer: AppContainer
 ) : ViewModel() {
    private val scheduleRepository = appContainer.scheduleRepository
    private val networkCacheRepository = appContainer.networkCacheRepository
-    private val viewModelState = MutableStateFlow(ScheduleViewModelState(isLoading = true))
+    private val viewModelState = MutableStateFlow(GroupScheduleViewModelState(isLoading = true))

    val uiState = viewModelState
-        .map(ScheduleViewModelState::toUiState)
+        .map(GroupScheduleViewModelState::toUiState)
        .stateIn(viewModelScope, SharingStarted.Eagerly, viewModelState.value.toUiState())

    init {
-        refreshGroup()
+        refresh()
    }

-    fun refreshGroup() {
+    fun refresh() {
        viewModelState.update { it.copy(isLoading = true) }

        viewModelScope.launch {
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/model/TeacherScheduleViewModel.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/model/TeacherScheduleViewModel.kt
@@ -0,0 +1,100 @@
+package ru.n08i40k.polytechnic.next.ui.model
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.stateIn
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+import ru.n08i40k.polytechnic.next.UpdateDates
+import ru.n08i40k.polytechnic.next.data.AppContainer
+import ru.n08i40k.polytechnic.next.data.MyResult
+import ru.n08i40k.polytechnic.next.model.GroupOrTeacher
+import java.util.Date
+import javax.inject.Inject
+
+sealed interface TeacherScheduleUiState {
+    val isLoading: Boolean
+
+    data class NoData(
+        override val isLoading: Boolean
+    ) : TeacherScheduleUiState
+
+    data class HasData(
+        val teacher: GroupOrTeacher,
+        val updateDates: UpdateDates,
+        val lastUpdateAt: Long,
+        override val isLoading: Boolean
+    ) : TeacherScheduleUiState
+}
+
+private data class TeacherScheduleViewModelState(
+    val teacher: GroupOrTeacher? = null,
+    val updateDates: UpdateDates? = null,
+    val lastUpdateAt: Long = 0,
+    val isLoading: Boolean = false
+) {
+    fun toUiState(): TeacherScheduleUiState = if (teacher == null) {
+        TeacherScheduleUiState.NoData(isLoading)
+    } else {
+        TeacherScheduleUiState.HasData(teacher, updateDates!!, lastUpdateAt, isLoading)
+    }
+}
+
+@HiltViewModel
+class TeacherScheduleViewModel @Inject constructor(
+    appContainer: AppContainer
+) : ViewModel() {
+    private val scheduleRepository = appContainer.scheduleRepository
+    private val networkCacheRepository = appContainer.networkCacheRepository
+    private val viewModelState = MutableStateFlow(TeacherScheduleViewModelState(isLoading = true))
+
+    val uiState = viewModelState
+        .map(TeacherScheduleViewModelState::toUiState)
+        .stateIn(viewModelScope, SharingStarted.Eagerly, viewModelState.value.toUiState())
+
+    init {
+        fetch(null)
+    }
+
+    fun fetch(name: String?) {
+        if (name == null) {
+            viewModelState.update {
+                it.copy(
+                    teacher = null,
+                    isLoading = false
+                )
+            }
+            return
+        }
+
+        viewModelState.update { it.copy(isLoading = true) }
+
+        viewModelScope.launch {
+            val result = scheduleRepository.getTeacher(name)
+
+            viewModelState.update {
+                when (result) {
+                    is MyResult.Success -> {
+                        val updateDates = networkCacheRepository.getUpdateDates()
+
+                        it.copy(
+                            teacher = result.data,
+                            updateDates = updateDates,
+                            lastUpdateAt = Date().time,
+                            isLoading = false
+                        )
+                    }
+
+                    is MyResult.Failure -> it.copy(
+                        teacher = null,
+                        isLoading = false
+                    )
+                }
+            }
+        }
+    }
+}
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/ui/widgets/LoadingContent.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/ui/widgets/LoadingContent.kt
@@ -37,6 +37,24 @@ fun LoadingContent(
    }
 }

+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun LoadingContent(
+    empty: Boolean,
+    emptyContent: @Composable () -> Unit = { FullScreenLoading() },
+    loading: Boolean,
+    content: @Composable () -> Unit
+) {
+    if (empty) {
+        emptyContent()
+        return
+    }
+
+    PullToRefreshBox(isRefreshing = loading, onRefresh = {}) {
+        content()
+    }
+}
+
@Preview(showBackground = true)
@Composable
 fun FullScreenLoading() {
--- a/app/src/main/java/ru/n08i40k/polytechnic/next/utils/Extensions.kt
+++ b/app/src/main/java/ru/n08i40k/polytechnic/next/utils/Extensions.kt
@@ -43,6 +43,9 @@ val Instant.dayMinutes: Int
 val LocalDateTime.dayMinutes: Int
    get() = this.hour * 60 + this.minute

+fun LocalDateTime.Companion.fromEpochMilliseconds(milliseconds: Long): LocalDateTime =
+    Instant.fromEpochMilliseconds(milliseconds).dateTime
+
 val Instant.dateTime: LocalDateTime
    get() = this.toLocalDateTime(TimeZone.currentSystemDefault())

--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -75,5 +75,9 @@
    <string name="no_connection">Нет подключения к интернету!</string>
    <string name="today">Сегодня</string>
    <string name="yesterday">Вчера</string>
-    <string name="tommorow">Завтра</string>
+    <string name="tomorrow">Завтра</string>
+    <string name="teachers">Преподаватели</string>
+    <string name="teacher_name">ФИО преподавателя</string>
+    <string name="teacher_not_selected">Преподаватель не выбран или вы допустили ошибку в его ФИО.</string>
+    <string name="failed_to_fetch_teacher_names">Не удалось получить список ФИО преподавателей!</string>
 </resources>
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -75,5 +75,9 @@
    <string name="no_connection">No internet connection!</string>
    <string name="today">Today</string>
    <string name="yesterday">Yesterday</string>
-    <string name="tommorow">Tommorow</string>
+    <string name="tomorrow">Tomorrow</string>
+    <string name="teachers">Teachers</string>
+    <string name="teacher_name">Teacher name</string>
+    <string name="teacher_not_selected">Teacher not selected or you made mistake in his name.</string>
+    <string name="failed_to_fetch_teacher_names">Failed to fetch teacher names!</string>
 </resources>
--- a/app/src/test/java/ru/n08i40k/polytechnic/next/ExampleUnitTest.kt
+++ b/app/src/test/java/ru/n08i40k/polytechnic/next/ExampleUnitTest.kt
@@ -1,17 +1,27 @@
 package ru.n08i40k.polytechnic.next

+import android.content.Context
 import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.junit.MockitoJUnitRunner
+import org.mockito.kotlin.doReturn
+import org.mockito.kotlin.mock
+import ru.n08i40k.polytechnic.next.data.schedule.impl.FakeScheduleRepository

-import org.junit.Assert.*
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * See [testing documentation](http://d.android.com/tools/testing).
- */
+@RunWith(MockitoJUnitRunner.Silent::class)
 class ExampleUnitTest {
    @Test
-    fun addition_isCorrect() {
-        assertEquals(4, 2 + 2)
+    fun getNameAndCabinetsShort_isNotThrow() {
+        val mockContext = mock<Context> {
+            on { getString(R.string.in_gym_lc) } doReturn "с/з"
+            on { getString(R.string.lesson_break) } doReturn "Перемена"
+        }
+        val group = FakeScheduleRepository.exampleGroup
+
+        for (day in group.days) {
+            for (lesson in day.lessons) {
+                lesson.getNameAndCabinetsShort(mockContext)
+            }
+        }
    }
 }
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -14,6 +14,7 @@ kotlinxSerializationJson = "1.7.3"
 lifecycleRuntimeKtx = "2.8.7"
 activityCompose = "1.9.3"
 composeBom = "2024.10.01"
+mockitoKotlin = "5.4.0"
 protobufLite = "3.0.1"
 volley = "1.2.1"
 datastore = "1.1.1"
@@ -45,6 +46,7 @@ androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit
 androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
 kotlinx-datetime = { module = "org.jetbrains.kotlinx:kotlinx-datetime", version = "0.6.1" }
 kotlinx-serialization-json = { module = "org.jetbrains.kotlinx:kotlinx-serialization-json", version.ref = "kotlinxSerializationJson" }
+mockito-kotlin = { module = "org.mockito.kotlin:mockito-kotlin", version.ref = "mockitoKotlin" }
 protobuf-lite = { module = "com.google.protobuf:protobuf-lite", version.ref = "protobufLite" }
 volley = { group = "com.android.volley", name = "volley", version.ref = "volley" }
 androidx-navigation-compose = { group = "androidx.navigation", name = "navigation-compose", version.ref = "navigationCompose" }