feat(web): страницы курсов и привязка лабораторных

web/src/main/kotlin/ru/ysu/lms/web/admin/AdminCourseController.kt

@@ -0,0 +1,223 @@
+package ru.ysu.lms.web.admin
+
+import jakarta.servlet.http.HttpSession
+import org.springframework.stereotype.Controller
+import org.springframework.ui.Model
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.ModelAttribute
+import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.PostMapping
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RequestParam
+import org.springframework.web.servlet.mvc.support.RedirectAttributes
+import ru.ysu.lms.markdown.MarkdownRenderer
+import ru.ysu.lms.web.api.ApiClient
+import ru.ysu.lms.web.api.ApiException
+import ru.ysu.lms.web.api.CourseBootstrapPayload
+import ru.ysu.lms.web.api.CourseCreatePayload
+import ru.ysu.lms.web.api.CourseGroupPayload
+import ru.ysu.lms.web.api.CourseTeacherPayload
+import ru.ysu.lms.web.api.CourseUpdatePayload
+import ru.ysu.lms.web.api.assignCourseTeacher
+import ru.ysu.lms.web.api.attachCourseGroup
+import ru.ysu.lms.web.api.bootstrapCourses
+import ru.ysu.lms.web.api.courseDetail
+import ru.ysu.lms.web.api.createCourse
+import ru.ysu.lms.web.api.detachCourseGroup
+import ru.ysu.lms.web.api.listCourses
+import ru.ysu.lms.web.api.listGroups
+import ru.ysu.lms.web.api.listLabs
+import ru.ysu.lms.web.api.removeCourseTeacher
+import ru.ysu.lms.web.api.updateCourse
+import tools.jackson.databind.ObjectMapper
+
+@Controller
+@RequestMapping("/admin/courses")
+class AdminCourseController(
+    api: ApiClient,
+    markdown: MarkdownRenderer,
+    mapper: ObjectMapper,
+) : AdminSupport(api, markdown, mapper) {
+    @GetMapping
+    fun list(
+        session: HttpSession,
+        model: Model,
+    ): String {
+        val t = token(session)
+        val groups = api.listGroups(t)
+        model.addAttribute("courses", api.listCourses(t))
+        model.addAttribute("groups", groups)
+        model.addAttribute("activeGroupCount", groups.count { it.status == "ACTIVE" })
+        return "admin/courses"
+    }
+
+    @PostMapping
+    fun create(
+        @ModelAttribute form: CreateCourseForm,
+        session: HttpSession,
+        redirect: RedirectAttributes,
+    ): String =
+        try {
+            val course = api.createCourse(token(session), CourseCreatePayload(form.title?.trim()?.takeIf { it.isNotBlank() }))
+            redirect.addFlashAttribute("notice", "Курс №${course.courseNo} создан")
+            "redirect:/admin/courses/${course.id}"
+        } catch (ex: ApiException) {
+            redirect.addFlashAttribute("error", ex.message)
+            "redirect:/admin/courses"
+        }
+
+    @PostMapping("/bootstrap")
+    fun bootstrap(
+        @ModelAttribute form: CreateCourseForm,
+        session: HttpSession,
+        redirect: RedirectAttributes,
+    ): String =
+        try {
+            val t = token(session)
+            val groupIds = api.listGroups(t).filter { it.status == "ACTIVE" }.map { it.id }
+            val result =
+                api.bootstrapCourses(
+                    t,
+                    CourseBootstrapPayload(
+                        groupIds = groupIds,
+                        title = form.title?.trim()?.takeIf { it.isNotBlank() },
+                    ),
+                )
+            redirect.addFlashAttribute(
+                "notice",
+                "Курс «${result.title}» №${result.courseNo}: групп привязано ${result.attachedGroups}, " +
+                    "лабораторных ${result.assignedLabs}, глав ${result.assignedChapters}" +
+                    bootstrapTail(result.labsWithoutCourse, result.chaptersWithoutCourse),
+            )
+            "redirect:/admin/courses"
+        } catch (ex: ApiException) {
+            redirect.addFlashAttribute("error", ex.message)
+            "redirect:/admin/courses"
+        }
+
+    private fun bootstrapTail(
+        labsWithoutCourse: Long,
+        chaptersWithoutCourse: Long,
+    ): String =
+        buildString {
+            if (labsWithoutCourse > 0) append("; лабораторных без курса: $labsWithoutCourse")
+            if (chaptersWithoutCourse > 0) append("; глав без курса: $chaptersWithoutCourse")
+        }
+
+    @GetMapping("/{id}")
+    fun detail(
+        @PathVariable id: String,
+        session: HttpSession,
+        model: Model,
+    ): String {
+        val t = token(session)
+        val course = api.courseDetail(t, id)
+        val groups = api.listGroups(t)
+        val attachedGroups = course.groups.filter { it.removedAt == null }
+        val attachedIds = attachedGroups.map { it.groupId }.toSet()
+        model.addAttribute("course", course)
+        model.addAttribute("attachedGroups", attachedGroups)
+        model.addAttribute("availableGroups", groups.filter { it.id !in attachedIds && it.status == "ACTIVE" })
+        model.addAttribute("groupNames", groups.associate { it.id to it.name })
+        model.addAttribute("activeTeachers", course.teachers.filter { it.removedAt == null })
+        model.addAttribute("labs", api.listLabs(t, id))
+        return "admin/course"
+    }
+
+    @PostMapping("/{id}/groups")
+    fun attachGroup(
+        @PathVariable id: String,
+        @ModelAttribute form: CourseGroupForm,
+        session: HttpSession,
+        redirect: RedirectAttributes,
+    ): String =
+        try {
+            api.attachCourseGroup(token(session), id, CourseGroupPayload(requireGroupId(form)))
+            redirect.addFlashAttribute("notice", "Группа привязана к курсу")
+            "redirect:/admin/courses/$id"
+        } catch (ex: ApiException) {
+            redirect.addFlashAttribute("error", ex.message)
+            "redirect:/admin/courses/$id"
+        }
+
+    @PostMapping("/{id}/groups/{groupId}/detach")
+    fun detachGroup(
+        @PathVariable id: String,
+        @PathVariable groupId: String,
+        session: HttpSession,
+        redirect: RedirectAttributes,
+    ): String =
+        try {
+            api.detachCourseGroup(token(session), id, groupId)
+            redirect.addFlashAttribute("notice", "Группа отвязана от курса")
+            "redirect:/admin/courses/$id"
+        } catch (ex: ApiException) {
+            redirect.addFlashAttribute("error", ex.message)
+            "redirect:/admin/courses/$id"
+        }
+
+    @PostMapping("/{id}/teachers")
+    fun assignTeacher(
+        @PathVariable id: String,
+        @ModelAttribute form: CourseTeacherForm,
+        session: HttpSession,
+        redirect: RedirectAttributes,
+    ): String =
+        try {
+            api.assignCourseTeacher(token(session), id, CourseTeacherPayload(requireAccountId(form)))
+            redirect.addFlashAttribute("notice", "Преподаватель назначен на курс")
+            "redirect:/admin/courses/$id"
+        } catch (ex: ApiException) {
+            redirect.addFlashAttribute("error", ex.message)
+            "redirect:/admin/courses/$id"
+        }
+
+    @PostMapping("/{id}/teachers/{accountId}/remove")
+    fun removeTeacher(
+        @PathVariable id: String,
+        @PathVariable accountId: String,
+        session: HttpSession,
+        redirect: RedirectAttributes,
+    ): String =
+        try {
+            api.removeCourseTeacher(token(session), id, accountId)
+            redirect.addFlashAttribute("notice", "Преподаватель снят с курса")
+            "redirect:/admin/courses/$id"
+        } catch (ex: ApiException) {
+            redirect.addFlashAttribute("error", ex.message)
+            "redirect:/admin/courses/$id"
+        }
+
+    @PostMapping("/{id}/status")
+    fun updateStatus(
+        @PathVariable id: String,
+        @RequestParam status: String,
+        session: HttpSession,
+        redirect: RedirectAttributes,
+    ): String =
+        try {
+            val normalized = normalizeStatus(status)
+            api.updateCourse(token(session), id, CourseUpdatePayload(status = normalized))
+            val label = if (normalized == "ARCHIVED") "Курс перемещён в архив" else "Курс возвращён в работу"
+            redirect.addFlashAttribute("notice", label)
+            "redirect:/admin/courses/$id"
+        } catch (ex: ApiException) {
+            redirect.addFlashAttribute("error", ex.message)
+            "redirect:/admin/courses/$id"
+        }
+
+    private fun requireGroupId(form: CourseGroupForm): String = form.groupId.trim().ifBlank { throw ApiException(400, "Выберите группу") }
+
+    private fun requireAccountId(form: CourseTeacherForm): String =
+        form.accountId.trim().ifBlank { throw ApiException(400, "Укажите идентификатор преподавателя") }
+
+    private fun normalizeStatus(value: String): String {
+        val status = value.trim().uppercase()
+        if (status !in COURSE_STATUSES) throw ApiException(400, "Недопустимый статус курса")
+        return status
+    }
+
+    private companion object {
+        val COURSE_STATUSES = setOf("ACTIVE", "ARCHIVED")
+    }
+}

web/src/main/kotlin/ru/ysu/lms/web/admin/AdminForms.kt

@@ -47,6 +47,25 @@ data class CreateLabForm(
     val status: String = "",
     val descriptionMd: String = "",
     val levels: String = "",
+    val courseId: String? = null,
+)
+
+data class LabCopyForm(
+    val courseId: String = "",
+    val number: Int? = null,
+    val title: String? = null,
+)
+
+data class CreateCourseForm(
+    val title: String? = null,
+)
+
+data class CourseTeacherForm(
+    val accountId: String = "",
+)
+
+data class CourseGroupForm(
+    val groupId: String = "",
 )
 
 data class SaveLevelForm(

web/src/main/kotlin/ru/ysu/lms/web/admin/AdminLabController.kt

@@ -15,6 +15,7 @@ import ru.ysu.lms.markdown.MarkdownRenderer
 import ru.ysu.lms.web.api.ApiClient
 import ru.ysu.lms.web.api.ApiException
 import ru.ysu.lms.web.api.AssignVariantPayload
+import ru.ysu.lms.web.api.LabCopyPayload
 import ru.ysu.lms.web.api.LabCreatePayload
 import ru.ysu.lms.web.api.LabUpdatePayload
 import ru.ysu.lms.web.api.LevelAssignPayload
@@ -23,6 +24,7 @@ import ru.ysu.lms.web.api.LevelSavePayload
 import ru.ysu.lms.web.api.VariantSavePayload
 import ru.ysu.lms.web.api.addLevel
 import ru.ysu.lms.web.api.assignVariant
+import ru.ysu.lms.web.api.copyLab
 import ru.ysu.lms.web.api.createLab
 import ru.ysu.lms.web.api.deleteLab
 import ru.ysu.lms.web.api.deleteLevel
@@ -31,6 +33,7 @@ import ru.ysu.lms.web.api.getLabAssignments
 import ru.ysu.lms.web.api.importLab
 import ru.ysu.lms.web.api.labDetail
 import ru.ysu.lms.web.api.labSubmissions
+import ru.ysu.lms.web.api.listCourses
 import ru.ysu.lms.web.api.listLabs
 import ru.ysu.lms.web.api.renameLevel
 import ru.ysu.lms.web.api.saveVariant
@@ -48,16 +51,22 @@ class AdminLabController(
 ) : AdminSupport(api, markdown, mapper) {
     @GetMapping("/labs")
     fun labs(
+        @RequestParam(required = false) courseId: String?,
         session: HttpSession,
         model: Model,
     ): String {
-        model.addAttribute("labs", api.listLabs(token(session)))
+        val t = token(session)
+        val selectedCourseId = courseId?.trim()?.takeIf { it.isNotBlank() }
+        model.addAttribute("labs", api.listLabs(t, selectedCourseId))
+        model.addAttribute("courses", api.listCourses(t))
+        model.addAttribute("selectedCourseId", selectedCourseId)
         return "admin/labs"
     }
 
     @PostMapping("/labs/import")
     fun importLab(
         @RequestParam("file") file: MultipartFile,
+        @RequestParam(required = false) courseId: String?,
         session: HttpSession,
         redirect: RedirectAttributes,
     ): String =
@@ -66,6 +75,7 @@ class AdminLabController(
             val result =
                 api.importLab(
                     token(session),
+                    courseId?.trim()?.takeIf { it.isNotBlank() },
                     file.originalFilename ?: "lab.zip",
                     file.bytes,
                 )
@@ -133,6 +143,7 @@ class AdminLabController(
         val occupiedVariants = allVariants.count { (variantUsage[it.id] ?: 0) > 0 }
 
         model.addAttribute("lab", lab)
+        model.addAttribute("courses", api.listCourses(t))
         model.addAttribute("descriptionHtml", markdown.render(lab.descriptionMd))
         model.addAttribute(
             "deadlineMsk",
@@ -218,6 +229,7 @@ class AdminLabController(
                         status = form.status,
                         descriptionMd = form.descriptionMd,
                         levels = levelList,
+                        courseId = form.courseId?.trim()?.takeIf { it.isNotBlank() },
                     ),
                 )
             redirect.addFlashAttribute("notice", "Лабораторная №${created.number} создана")
@@ -227,6 +239,32 @@ class AdminLabController(
             "redirect:/admin/labs"
         }
 
+    @PostMapping("/labs/{id}/copy")
+    fun copyLab(
+        @PathVariable id: String,
+        @ModelAttribute form: LabCopyForm,
+        session: HttpSession,
+        redirect: RedirectAttributes,
+    ): String =
+        try {
+            val targetCourseId = form.courseId.trim().ifBlank { throw ApiException(400, "Выберите целевой курс") }
+            val created =
+                api.copyLab(
+                    token(session),
+                    id,
+                    LabCopyPayload(
+                        courseId = targetCourseId,
+                        number = form.number,
+                        title = form.title?.trim()?.takeIf { it.isNotBlank() },
+                    ),
+                )
+            redirect.addFlashAttribute("notice", "Лабораторная скопирована: ЛР ${created.number}. ${created.title}")
+            "redirect:/admin/labs/${created.id}"
+        } catch (ex: ApiException) {
+            redirect.addFlashAttribute("error", ex.message)
+            "redirect:/admin/labs/$id"
+        }
+
     @PostMapping("/labs/{labId}/levels/save")
     fun saveLevel(
         @PathVariable labId: String,

web/src/main/kotlin/ru/ysu/lms/web/api/ApiClientCourse.kt

@@ -0,0 +1,152 @@
+package ru.ysu.lms.web.api
+
+import org.springframework.core.ParameterizedTypeReference
+import org.springframework.http.HttpHeaders
+import org.springframework.http.MediaType
+
+fun ApiClient.listCourses(token: String): List<CourseDto> {
+    val type = object : ParameterizedTypeReference<List<CourseDto>>() {}
+    return call {
+        client
+            .get()
+            .uri("/api/v1/courses")
+            .header(HttpHeaders.AUTHORIZATION, bearer(token))
+            .retrieve()
+            .body(type)
+    }
+}
+
+fun ApiClient.createCourse(
+    token: String,
+    payload: CourseCreatePayload,
+): CourseDetailDto =
+    call {
+        client
+            .post()
+            .uri("/api/v1/courses")
+            .header(HttpHeaders.AUTHORIZATION, bearer(token))
+            .contentType(MediaType.APPLICATION_JSON)
+            .body(payload)
+            .retrieve()
+            .body(CourseDetailDto::class.java)
+    }
+
+fun ApiClient.courseDetail(
+    token: String,
+    courseId: String,
+): CourseDetailDto =
+    call {
+        client
+            .get()
+            .uri("/api/v1/courses/{id}", courseId)
+            .header(HttpHeaders.AUTHORIZATION, bearer(token))
+            .retrieve()
+            .body(CourseDetailDto::class.java)
+    }
+
+fun ApiClient.updateCourse(
+    token: String,
+    courseId: String,
+    payload: CourseUpdatePayload,
+): CourseDetailDto =
+    call {
+        client
+            .put()
+            .uri("/api/v1/courses/{id}", courseId)
+            .header(HttpHeaders.AUTHORIZATION, bearer(token))
+            .contentType(MediaType.APPLICATION_JSON)
+            .body(payload)
+            .retrieve()
+            .body(CourseDetailDto::class.java)
+    }
+
+fun ApiClient.assignCourseTeacher(
+    token: String,
+    courseId: String,
+    payload: CourseTeacherPayload,
+): CourseDetailDto =
+    call {
+        client
+            .post()
+            .uri("/api/v1/courses/{id}/teachers", courseId)
+            .header(HttpHeaders.AUTHORIZATION, bearer(token))
+            .contentType(MediaType.APPLICATION_JSON)
+            .body(payload)
+            .retrieve()
+            .body(CourseDetailDto::class.java)
+    }
+
+fun ApiClient.removeCourseTeacher(
+    token: String,
+    courseId: String,
+    accountId: String,
+): CourseDetailDto =
+    call {
+        client
+            .delete()
+            .uri("/api/v1/courses/{id}/teachers/{accountId}", courseId, accountId)
+            .header(HttpHeaders.AUTHORIZATION, bearer(token))
+            .retrieve()
+            .body(CourseDetailDto::class.java)
+    }
+
+fun ApiClient.attachCourseGroup(
+    token: String,
+    courseId: String,
+    payload: CourseGroupPayload,
+): CourseDetailDto =
+    call {
+        client
+            .post()
+            .uri("/api/v1/courses/{id}/groups", courseId)
+            .header(HttpHeaders.AUTHORIZATION, bearer(token))
+            .contentType(MediaType.APPLICATION_JSON)
+            .body(payload)
+            .retrieve()
+            .body(CourseDetailDto::class.java)
+    }
+
+fun ApiClient.detachCourseGroup(
+    token: String,
+    courseId: String,
+    groupId: String,
+): CourseDetailDto =
+    call {
+        client
+            .delete()
+            .uri("/api/v1/courses/{id}/groups/{groupId}", courseId, groupId)
+            .header(HttpHeaders.AUTHORIZATION, bearer(token))
+            .retrieve()
+            .body(CourseDetailDto::class.java)
+    }
+
+fun ApiClient.bootstrapCourses(
+    token: String,
+    payload: CourseBootstrapPayload,
+): CourseBootstrapResultDto =
+    call {
+        client
+            .post()
+            .uri("/api/v1/courses/bootstrap")
+            .header(HttpHeaders.AUTHORIZATION, bearer(token))
+            .contentType(MediaType.APPLICATION_JSON)
+            .body(payload)
+            .retrieve()
+            .body(CourseBootstrapResultDto::class.java)
+    }
+
+fun ApiClient.copyLab(
+    token: String,
+    labId: String,
+    payload: LabCopyPayload,
+): LabDetailDto =
+    call {
+        client
+            .post()
+            .uri("/api/v1/labs/{id}/copy", labId)
+            .header(HttpHeaders.AUTHORIZATION, bearer(token))
+            .contentType(MediaType.APPLICATION_JSON)
+            .body(payload)
+            .retrieve()
+            .body(LabDetailDto::class.java)
+    }

web/src/main/kotlin/ru/ysu/lms/web/api/ApiClientLab.kt

@@ -6,13 +6,19 @@ import org.springframework.http.HttpHeaders
 import org.springframework.http.MediaType
 import org.springframework.util.LinkedMultiValueMap
 
-fun ApiClient.listLabs(token: String): List<LabSummaryDto> {
+fun ApiClient.listLabs(
+    token: String,
+    courseId: String? = null,
+): List<LabSummaryDto> {
     val type = object : ParameterizedTypeReference<List<LabSummaryDto>>() {}
     return call {
         client
             .get()
-            .uri("/api/v1/labs")
-            .header(HttpHeaders.AUTHORIZATION, bearer(token))
+            .uri { builder ->
+                builder.path("/api/v1/labs")
+                if (!courseId.isNullOrBlank()) builder.queryParam("courseId", courseId)
+                builder.build()
+            }.header(HttpHeaders.AUTHORIZATION, bearer(token))
             .retrieve()
             .body(type)
     }
@@ -33,6 +39,7 @@ fun ApiClient.labDetail(
 
 fun ApiClient.importLab(
     token: String,
+    courseId: String?,
     filename: String,
     bytes: ByteArray,
 ): LabImportResultDto {
@@ -46,8 +53,11 @@ fun ApiClient.importLab(
     return call {
         client
             .post()
-            .uri("/api/v1/labs/import")
-            .header(HttpHeaders.AUTHORIZATION, bearer(token))
+            .uri { builder ->
+                builder.path("/api/v1/labs/import")
+                if (!courseId.isNullOrBlank()) builder.queryParam("courseId", courseId)
+                builder.build()
+            }.header(HttpHeaders.AUTHORIZATION, bearer(token))
             .contentType(MediaType.MULTIPART_FORM_DATA)
             .body(parts)
             .retrieve()

web/src/main/kotlin/ru/ysu/lms/web/api/ApiDtos.kt

@@ -158,6 +158,9 @@ data class LabSummaryDto(
     val defenseAt: String? = null,
     val pointsMax: Any? = null,
     val variantCount: Int = 0,
+    val courseId: String? = null,
+    val courseNo: Long? = null,
+    val courseTitle: String? = null,
 )
 
 @JsonIgnoreProperties(ignoreUnknown = true)
@@ -250,6 +253,88 @@ data class LabDetailDto(
     val defenseAt: String? = null,
     val pointsMax: Any? = null,
     val levels: List<LabLevelDetailDto> = emptyList(),
+    val courseId: String? = null,
+    val courseNo: Long? = null,
+    val courseTitle: String? = null,
+)
+
+@JsonIgnoreProperties(ignoreUnknown = true)
+data class CourseDto(
+    val id: String = "",
+    val courseNo: Long = 0,
+    val title: String = "",
+    val ownerAccountId: String = "",
+    val status: String = "ACTIVE",
+    val teacherCount: Long = 0,
+    val groupCount: Long = 0,
+    val labCount: Long = 0,
+)
+
+@JsonIgnoreProperties(ignoreUnknown = true)
+data class CourseTeacherDto(
+    val accountId: String = "",
+    val assignedAt: String = "",
+    val removedAt: String? = null,
+)
+
+@JsonIgnoreProperties(ignoreUnknown = true)
+data class CourseGroupDto(
+    val groupId: String = "",
+    val addedAt: String = "",
+    val removedAt: String? = null,
+)
+
+@JsonIgnoreProperties(ignoreUnknown = true)
+data class CourseDetailDto(
+    val id: String = "",
+    val courseNo: Long = 0,
+    val title: String = "",
+    val ownerAccountId: String = "",
+    val status: String = "ACTIVE",
+    val createdAt: String = "",
+    val updatedAt: String = "",
+    val teachers: List<CourseTeacherDto> = emptyList(),
+    val groups: List<CourseGroupDto> = emptyList(),
+)
+
+@JsonIgnoreProperties(ignoreUnknown = true)
+data class CourseBootstrapResultDto(
+    val courseId: String = "",
+    val courseNo: Long = 0,
+    val title: String = "",
+    val attachedGroups: Int = 0,
+    val assignedLabs: Int = 0,
+    val assignedChapters: Int = 0,
+    val labsWithoutCourse: Long = 0,
+    val chaptersWithoutCourse: Long = 0,
+)
+
+data class CourseCreatePayload(
+    val title: String? = null,
+)
+
+data class CourseUpdatePayload(
+    val title: String? = null,
+    val status: String? = null,
+)
+
+data class CourseTeacherPayload(
+    val accountId: String,
+)
+
+data class CourseGroupPayload(
+    val groupId: String,
+)
+
+data class CourseBootstrapPayload(
+    val groupIds: List<String> = emptyList(),
+    val title: String? = null,
+)
+
+data class LabCopyPayload(
+    val courseId: String,
+    val number: Int? = null,
+    val title: String? = null,
 )
 
 @JsonIgnoreProperties(ignoreUnknown = true)
@@ -382,6 +467,7 @@ data class LabCreatePayload(
     val status: String,
     val descriptionMd: String,
     val levels: List<LevelPayload>,
+    val courseId: String? = null,
 )
 
 data class LevelPayload(

web/src/main/resources/templates/admin/course.html

@@ -0,0 +1,138 @@
+<!DOCTYPE html>
+<html lang="ru" xmlns:th="http://www.thymeleaf.org" th:replace="~{fragments/base :: layout(~{::title}, ~{::#content})}">
+<head><title th:text="${course.title} + ' — LMS'">Курс</title></head>
+<body>
+<div id="content">
+    <a th:href="@{/admin/courses}" class="nav-link">← Все курсы</a>
+    <div class="page-head mb-2">
+        <div>
+            <h1 class="page-title" th:text="|Курс ${course.courseNo}. ${course.title}|">Курс 1</h1>
+            <div class="meta mb-2">
+                <span class="badge"
+                      th:classappend="${course.status == 'ACTIVE' ? 'badge-ok' : 'badge-warn'}"
+                      th:text="${course.status == 'ACTIVE' ? 'активен' : 'в архиве'}">—</span>
+                <form class="inline-form" th:action="@{/admin/courses/{id}/status(id=${course.id})}" method="post"
+                      th:attr="data-confirm=${course.status == 'ACTIVE' ? 'Переместить курс в архив? Привязка групп и преподавателей станет недоступна.' : 'Вернуть курс в работу?'}">
+                    <input type="hidden" name="_csrf" th:value="${csrfToken}">
+                    <input type="hidden" name="status" th:value="${course.status == 'ACTIVE' ? 'ARCHIVED' : 'ACTIVE'}">
+                    <button class="btn btn-sm" type="submit"
+                            th:text="${course.status == 'ACTIVE' ? 'В архив' : 'Вернуть в работу'}">В архив</button>
+                </form>
+                <span th:text="|Владелец: ${course.ownerAccountId}|">Владелец: —</span>
+            </div>
+            <span th:text="|Создан: ${course.createdAt}|">Создан: —</span>
+            · <span th:text="|Обновлён: ${course.updatedAt}|">Обновлён: —</span>
+        </div>
+    </div>
+
+    <div class="row g-4 mt-4">
+        <div class="col-lg-6">
+            <h2 class="section-title">Группы курса</h2>
+            <div class="card card-flush">
+                <table>
+                    <thead><tr><th>Группа</th><th>Добавлена</th><th data-nosort></th></tr></thead>
+                    <tbody>
+                    <tr th:each="attached : ${attachedGroups}">
+                        <td>
+                            <a th:href="@{/admin/groups/{id}(id=${attached.groupId})}"
+                               th:text="${groupNames[attached.groupId] ?: attached.groupId}">—</a>
+                        </td>
+                        <td class="text-muted" th:text="${attached.addedAt}">—</td>
+                        <td class="text-center">
+                            <form class="inline-form"
+                                  th:action="@{/admin/courses/{id}/groups/{groupId}/detach(id=${course.id}, groupId=${attached.groupId})}"
+                                  method="post" data-confirm="Отвязать группу от курса?">
+                                <input type="hidden" name="_csrf" th:value="${csrfToken}">
+                                <button class="btn btn-sm btn-danger" type="submit">Отвязать</button>
+                            </form>
+                        </td>
+                    </tr>
+                    <tr th:if="${#lists.isEmpty(attachedGroups)}">
+                        <td colspan="3" class="empty">Группы к курсу не привязаны.</td>
+                    </tr>
+                    </tbody>
+                </table>
+            </div>
+
+            <form class="card card-body form-stack mt-4" th:action="@{/admin/courses/{id}/groups(id=${course.id})}"
+                  method="post">
+                <div><label class="label" for="courseGroup">Привязать группу</label>
+                    <select class="input" id="courseGroup" name="groupId" required
+                            th:disabled="${#lists.isEmpty(availableGroups)}">
+                        <option value="">— выберите группу —</option>
+                        <option th:each="group : ${availableGroups}" th:value="${group.id}"
+                                th:text="${group.name}">—</option>
+                    </select>
+                    <p class="hint" th:if="${#lists.isEmpty(availableGroups)}">Все доступные группы уже привязаны.</p>
+                </div>
+                <button class="btn btn-primary" type="submit"
+                        th:disabled="${#lists.isEmpty(availableGroups)}">Привязать</button>
+                <input type="hidden" name="_csrf" th:value="${csrfToken}">
+            </form>
+        </div>
+
+        <div class="col-lg-6">
+            <h2 class="section-title">Преподаватели</h2>
+            <div class="card card-flush">
+                <table>
+                    <thead><tr><th>Аккаунт</th><th>Назначен</th><th data-nosort></th></tr></thead>
+                    <tbody>
+                    <tr th:each="teacher : ${activeTeachers}">
+                        <td class="font-mono" th:text="${teacher.accountId}">—</td>
+                        <td class="text-muted" th:text="${teacher.assignedAt}">—</td>
+                        <td class="text-center">
+                            <form class="inline-form"
+                                  th:action="@{/admin/courses/{id}/teachers/{accountId}/remove(id=${course.id}, accountId=${teacher.accountId})}"
+                                  method="post" data-confirm="Снять преподавателя с курса?">
+                                <input type="hidden" name="_csrf" th:value="${csrfToken}">
+                                <button class="btn btn-sm btn-danger" type="submit">Снять</button>
+                            </form>
+                        </td>
+                    </tr>
+                    <tr th:if="${#lists.isEmpty(activeTeachers)}">
+                        <td colspan="3" class="empty">Преподаватели не назначены.</td>
+                    </tr>
+                    </tbody>
+                </table>
+            </div>
+
+            <form class="card card-body form-stack mt-4" th:action="@{/admin/courses/{id}/teachers(id=${course.id})}"
+                  method="post">
+                <div><label class="label" for="teacherAccount">Идентификатор аккаунта преподавателя</label>
+                    <input class="input font-mono" id="teacherAccount" name="accountId" required
+                           placeholder="UUID аккаунта"></div>
+                <p class="hint">UUID можно скопировать на странице «Пользователи».</p>
+                <button class="btn btn-primary" type="submit">Назначить</button>
+                <input type="hidden" name="_csrf" th:value="${csrfToken}">
+            </form>
+        </div>
+    </div>
+
+    <div class="flex flex-wrap items-center justify-between gap-2 mt-4 mb-2">
+        <h2 class="section-title m-0">Лабораторные курса</h2>
+        <a class="text-sm" th:href="@{/admin/labs(courseId=${course.id})}">Открыть в списке лабораторных →</a>
+    </div>
+    <div class="card card-flush">
+        <table>
+            <thead><tr><th>№</th><th>Название</th><th data-filter>Статус</th><th>Вариантов</th><th data-nosort></th></tr></thead>
+            <tbody>
+            <tr th:each="lab : ${labs}">
+                <td th:text="${lab.number}">1</td>
+                <td><a th:href="@{/admin/labs/{id}(id=${lab.id})}" th:text="${lab.title}">—</a></td>
+                <td>
+                    <span class="badge"
+                          th:classappend="${lab.status == 'published' ? 'badge-ok' : 'badge-warn'}"
+                          th:text="${lab.status == 'published' ? 'Опубликована' : (lab.status == 'archived' ? 'В архиве' : 'Черновик')}">—</span>
+                </td>
+                <td th:text="${lab.variantCount}">0</td>
+                <td class="text-center">
+                    <a class="btn btn-sm btn-secondary" th:href="@{/admin/labs/{id}(id=${lab.id})}">Открыть</a>
+                </td>
+            </tr>
+            <tr th:if="${#lists.isEmpty(labs)}"><td colspan="5" class="empty">В курсе пока нет лабораторных.</td></tr>
+            </tbody>
+        </table>
+    </div>
+</div>
+</body>
+</html>

web/src/main/resources/templates/admin/courses.html

@@ -0,0 +1,84 @@
+<!DOCTYPE html>
+<html lang="ru" xmlns:th="http://www.thymeleaf.org" th:replace="~{fragments/base :: layout(~{::title}, ~{::#content})}">
+<head><title>Курсы — LMS</title></head>
+<body>
+<div id="content">
+    <div class="flex flex-wrap items-center justify-between gap-4 mb-6">
+        <h1 class="page-title m-0">Курсы</h1>
+        <div class="flex gap-2">
+            <input class="input table-search" data-target="courses-table"
+                   placeholder="Поиск по названию…" aria-label="Поиск по курсам">
+            <button class="btn btn-primary" type="button" data-modal="modal-create-course">+ Новый курс</button>
+        </div>
+    </div>
+
+    <div th:if="${#lists.isEmpty(courses)}" class="card card-body mb-6">
+        <h2 class="section-title">Первичная настройка курса</h2>
+        <p class="text-sm text-muted">
+            Курсов ещё нет. Bootstrap создаст курс «Промышленное программирование на языке C»,
+            перенесёт в него все лабораторные и главы и привяжет все активные группы
+            (<span th:text="${activeGroupCount}">0</span>).
+        </p>
+        <form class="form-stack" th:action="@{/admin/courses/bootstrap}" method="post"
+              data-confirm="Создать курс и перенести в него все лабораторные, главы и активные группы?">
+            <div><label class="label" for="bootstrapTitle">Название курса (необязательно)</label>
+                <input class="input" id="bootstrapTitle" name="title"
+                       placeholder="Промышленное программирование на языке C"></div>
+            <button class="btn btn-primary" type="submit">Создать курс и перенести данные</button>
+            <input type="hidden" name="_csrf" th:value="${csrfToken}">
+        </form>
+    </div>
+
+    <div class="card card-flush">
+        <table id="courses-table" class="tablekit">
+            <thead>
+            <tr>
+                <th class="th-sortable is-asc" title="Номер — по возрастанию">№</th>
+                <th class="th-sortable" title="Название — по возрастанию">Название</th>
+                <th data-filter>Статус</th>
+                <th>Преподавателей</th>
+                <th>Групп</th>
+                <th>Лабораторных</th>
+                <th data-nosort></th>
+            </tr>
+            </thead>
+            <tbody>
+            <tr th:each="course : ${courses}">
+                <td th:text="${course.courseNo}">1</td>
+                <td><a th:href="@{/admin/courses/{id}(id=${course.id})}" th:text="${course.title}">—</a></td>
+                <td th:attr="data-filter-value=${course.status == 'ACTIVE' ? 'активен' : 'в архиве'}">
+                    <span class="badge"
+                          th:classappend="${course.status == 'ACTIVE' ? 'badge-ok' : 'badge-warn'}"
+                          th:text="${course.status == 'ACTIVE' ? 'активен' : 'в архиве'}">—</span>
+                </td>
+                <td th:text="${course.teacherCount}">0</td>
+                <td th:text="${course.groupCount}">0</td>
+                <td th:text="${course.labCount}">0</td>
+                <td class="text-center">
+                    <a class="btn btn-sm btn-secondary" th:href="@{/admin/courses/{id}(id=${course.id})}">Открыть</a>
+                </td>
+            </tr>
+            <tr th:if="${#lists.isEmpty(courses)}"><td colspan="7" class="empty">Курсов пока нет.</td></tr>
+            </tbody>
+        </table>
+    </div>
+
+    <dialog id="modal-create-course" class="dlg">
+        <div class="dlg-header">
+            <h2 class="dlg-title">Новый курс</h2>
+            <button class="dlg-close" type="button" aria-label="Закрыть">✕</button>
+        </div>
+        <div class="dlg-body">
+            <form class="form-stack" th:action="@{/admin/courses}" method="post">
+                <div><label class="label" for="courseTitle">Название</label>
+                    <input class="input" id="courseTitle" name="title" placeholder="Новый курс" autofocus></div>
+                <p class="hint">Номер курса присвоится автоматически. Название можно оставить пустым —
+                    тогда будет использовано «Новый курс».</p>
+                <button class="btn btn-primary" type="submit">Создать</button>
+                <input type="hidden" name="_csrf" th:value="${csrfToken}">
+            </form>
+        </div>
+    </dialog>
+</div>
+</body>
+</html>

web/src/main/resources/templates/admin/lab.html

@@ -19,6 +19,13 @@
                             th:text="${lab.status == 'published'} ? 'Скрыть' : 'Опубликовать'">Опубликовать
                     </button>
                 </form>
+                <button class="btn btn-secondary btn-sm" type="button" data-modal="modal-copy-lab">Копировать в курс</button>
+            </div>
+            <div class="mb-2">
+                <span th:if="${lab.courseId != null}">Курс:
+                    <a th:href="@{/admin/courses/{id}(id=${lab.courseId})}"
+                       th:text="|${lab.courseNo}. ${lab.courseTitle}|">1. Курс</a></span>
+                <span th:if="${lab.courseId == null}" class="text-muted">Курс не указан</span>
             </div>
             <span th:if="${deadlineMsk != null}">Срок: <span th:text="${deadlineMsk} + ' МСК'"></span></span>
             <span th:if="${defenseMsk != null}"> · Защита: <span th:text="${defenseMsk} + ' МСК'"></span></span>
@@ -196,6 +203,36 @@
             </dialog>
         </th:block>
     </div>
+
+    <dialog id="modal-copy-lab" class="dlg">
+        <div class="dlg-header">
+            <h2 class="dlg-title">Копировать лабораторную в курс</h2>
+            <button class="dlg-close" type="button" aria-label="Закрыть">✕</button>
+        </div>
+        <div class="dlg-body">
+            <form class="form-stack" th:action="@{/admin/labs/{id}/copy(id=${lab.id})}" method="post">
+                <div><label class="label" for="copyCourseId">Целевой курс</label>
+                    <select class="input" id="copyCourseId" name="courseId" required>
+                        <option value="">— выберите курс —</option>
+                        <option th:each="course : ${courses}" th:value="${course.id}"
+                                th:if="${lab.courseId == null or course.id != lab.courseId}"
+                                th:text="|${course.courseNo}. ${course.title}|">1. Курс</option>
+                    </select>
+                </div>
+                <div class="row g-3">
+                    <div class="col-md-6"><label class="label" for="copyLabNumber">Номер (необязательно)</label>
+                        <input class="input" id="copyLabNumber" name="number" type="number" min="1"
+                               th:placeholder="${lab.number}"></div>
+                    <div class="col-md-6"><label class="label" for="copyLabTitle">Название (необязательно)</label>
+                        <input class="input" id="copyLabTitle" name="title" th:placeholder="${lab.title}"></div>
+                </div>
+                <p class="hint">Копируются условие, уровни и варианты. Сдачи, оценки и назначения студентов
+                    не переносятся; копия создаётся черновиком.</p>
+                <button class="btn btn-primary" type="submit" th:disabled="${#lists.isEmpty(courses)}">Копировать</button>
+                <input type="hidden" name="_csrf" th:value="${csrfToken}">
+            </form>
+        </div>
+    </dialog>
     <script th:src="@{/js/admin-lab.js(v='37')}" defer></script>
 </div>
 </body>

web/src/main/resources/templates/admin/labs.html

@@ -5,7 +5,16 @@
 <div id="content">
     <div class="flex items-center justify-between gap-4 mb-6">
         <h1 class="page-title">Лабораторные</h1>
-        <div class="flex gap-2">
+        <div class="flex flex-wrap gap-2 items-center">
+            <form method="get" th:action="@{/admin/labs}" class="m-0">
+                <select class="input" name="courseId" aria-label="Фильтр по курсу" onchange="this.form.submit()">
+                    <option value="" th:selected="${selectedCourseId == null}">Все курсы</option>
+                    <option th:each="course : ${courses}" th:value="${course.id}"
+                            th:selected="${course.id == selectedCourseId}"
+                            th:text="|${course.courseNo}. ${course.title}|">1. Курс</option>
+                </select>
+                <noscript><button class="btn btn-secondary" type="submit">Фильтр</button></noscript>
+            </form>
             <input class="input table-search" data-target="labs-table"
                    placeholder="Поиск по названию…" aria-label="Поиск по лабораторным">
             <button class="btn btn-secondary" type="button" data-modal="modal-import-lab">Импорт</button>
@@ -13,13 +22,25 @@
         </div>
     </div>
 
+    <div th:if="${#lists.isEmpty(courses)}" class="card card-body mb-6">
+        <p class="text-sm text-muted m-0">
+            Курсов ещё нет. Сначала создайте курс на странице
+            <a th:href="@{/admin/courses}">«Курсы»</a> — все лабораторные принадлежат курсу.
+        </p>
+    </div>
+
     <div class="card card-flush">
         <table id="labs-table" class="tablekit">
-            <thead><tr><th class="th-sortable is-asc" title="Номер — по возрастанию">№</th><th>Название</th><th>Вариантов</th><th data-filter>Статус</th><th data-nosort>Действие</th><th data-nosort></th></tr></thead>
+            <thead><tr><th class="th-sortable is-asc" title="Номер — по возрастанию">№</th><th>Название</th><th>Курс</th><th>Вариантов</th><th data-filter>Статус</th><th data-nosort>Действие</th><th data-nosort></th></tr></thead>
             <tbody>
             <tr th:each="lab : ${labs}">
                 <td th:text="${lab.number}">1</td>
                 <td><a th:href="@{/admin/labs/{id}(id=${lab.id})}" th:text="${lab.title}">—</a></td>
+                <td>
+                    <a th:if="${lab.courseId != null}" th:href="@{/admin/courses/{id}(id=${lab.courseId})}"
+                       th:text="|${lab.courseNo}. ${lab.courseTitle}|">1. Курс</a>
+                    <span th:if="${lab.courseId == null}" class="text-muted">—</span>
+                </td>
                 <td th:text="${lab.variantCount}">0</td>
                 <td th:attr="data-filter-value=${lab.status == 'published' ? 'Опубликована' : (lab.status == 'archived' ? 'В архиве' : 'Черновик')}">
                     <span class="badge"
@@ -43,7 +64,7 @@
                     </div>
                 </td>
             </tr>
-            <tr th:if="${#lists.isEmpty(labs)}"><td colspan="6" class="empty">Лабораторных пока нет.</td></tr>
+            <tr th:if="${#lists.isEmpty(labs)}"><td colspan="7" class="empty">Лабораторных пока нет.</td></tr>
             </tbody>
         </table>
     </div>
@@ -56,6 +77,14 @@
         </div>
         <div class="dlg-body">
             <form class="form-stack" th:action="@{/admin/labs/import}" method="post" enctype="multipart/form-data">
+                <div><label class="label" for="importCourseId">Курс</label>
+                    <select class="input" id="importCourseId" name="courseId" required>
+                        <option value="">— выберите курс —</option>
+                        <option th:each="course : ${courses}" th:value="${course.id}"
+                                th:text="|${course.courseNo}. ${course.title}|">1. Курс</option>
+                    </select>
+                    <p class="hint" th:if="${#lists.isEmpty(courses)}">Сначала создайте курс на странице «Курсы».</p>
+                </div>
                 <div><label class="label" for="labFile">Файл</label>
                     <input class="input" id="labFile" type="file" name="file" accept=".zip" required></div>
                 <p class="hint">
@@ -66,7 +95,7 @@
                     <code class="code">deploy/IMPORT.md</code>.
                 </p>
                 <p class="hint">Даты сдачи и защиты после импорта задаются на карточке лабораторной.</p>
-                <button class="btn btn-primary" type="submit">Импортировать</button>
+                <button class="btn btn-primary" type="submit" th:disabled="${#lists.isEmpty(courses)}">Импортировать</button>
                 <input type="hidden" name="_csrf" th:value="${csrfToken}">
             </form>
         </div>
@@ -79,6 +108,15 @@
         </div>
         <div class="dlg-body">
             <form class="form-stack" th:action="@{/admin/labs/create}" method="post">
+                <div><label class="label" for="createCourseId">Курс</label>
+                    <select class="input" id="createCourseId" name="courseId" required>
+                        <option value="">— выберите курс —</option>
+                        <option th:each="course : ${courses}" th:value="${course.id}"
+                                th:selected="${course.id == selectedCourseId}"
+                                th:text="|${course.courseNo}. ${course.title}|">1. Курс</option>
+                    </select>
+                    <p class="hint" th:if="${#lists.isEmpty(courses)}">Сначала создайте курс на странице «Курсы».</p>
+                </div>
                 <div class="row g-3">
             <div class="col-md-6"><label class="label" for="labNumber">Номер</label>
                         <input class="input" id="labNumber" name="number" type="number" min="1" required></div>
@@ -103,7 +141,7 @@
                     <p class="hint">Если оставить пустым, будет создан уровень «Основная группа». Варианты добавите на странице лабы.</p></div>
                 <div><label class="label" for="labDesc">Условие (markdown, можно позже)</label>
                     <textarea class="input" id="labDesc" name="descriptionMd" rows="6"></textarea></div>
-                <button class="btn btn-primary" type="submit">Создать</button>
+                <button class="btn btn-primary" type="submit" th:disabled="${#lists.isEmpty(courses)}">Создать</button>
             <input type="hidden" name="_csrf" th:value="${csrfToken}">
             </form>
         </div>

web/src/main/resources/templates/fragments/base.html

@@ -49,6 +49,7 @@
                 <div class="offcanvas-body">
                     <ul class="navbar-nav me-auto mb-2 mb-md-0">
                         <li class="nav-item" th:if="${currentUser != null and currentUser.admin}"><a class="nav-link" th:href="@{/admin/groups}">Группы</a></li>
+                        <li class="nav-item" th:if="${currentUser != null and currentUser.admin}"><a class="nav-link" th:href="@{/admin/courses}">Курсы</a></li>
                         <li class="nav-item" th:if="${currentUser != null and currentUser.admin}"><a class="nav-link" th:href="@{/admin/users}">Пользователи</a></li>
                         <li class="nav-item" th:if="${currentUser != null and currentUser.admin}"><a class="nav-link" th:href="@{/admin/labs}">Лабораторные</a></li>
                         <li class="nav-item" th:if="${currentUser != null and !currentUser.admin}"><a class="nav-link" th:href="@{/student/labs}">Лабораторные</a></li>