continued working on session fetch

services/frontend/src/pages/CompetitionConstructor/components/ConstructorHeader/index.tsx

@@ -1,63 +1,63 @@
-import React from 'react';
-import { Link } from 'react-router-dom';
-import { Task } from "@/shared/types";
-import { Settings, Plus } from 'lucide-react';
-import { Button } from "@/components/ui/button";
+// import React from 'react';
+// import { Link } from 'react-router-dom';
+// import { Task } from "@/shared/types";
+// import { Settings, Plus } from 'lucide-react';
+// import { Button } from "@/components/ui/button";
 
-interface ConstructorHeaderProps {
-  title: string;
-  tasks: Task[];
-  competitionId: string;
-  onAddTaskClick: () => void;
-}
+// interface ConstructorHeaderProps {
+//   title: string;
+//   tasks: Task[];
+//   competitionId: string;
+//   onAddTaskClick: () => void;
+// }
 
-const ConstructorHeader: React.FC<ConstructorHeaderProps> = ({ 
-  title,
-  tasks, 
-  competitionId,
-  onAddTaskClick
-}) => {
-  return (
-    <header className="bg-white shadow-sm sticky top-0 z-30 w-full">
-      <div className="mx-auto max-w-6xl px-4">
-        <div className="py-4 text-center">
-          <h1 className="font-hse-sans text-xl font-semibold">
-            {title}
-          </h1>
-        </div>
+// const ConstructorHeader: React.FC<ConstructorHeaderProps> = ({ 
+//   title,
+//   tasks, 
+//   competitionId,
+//   onAddTaskClick
+// }) => {
+//   return (
+//     <header className="bg-white shadow-sm sticky top-0 z-30 w-full">
+//       <div className="mx-auto max-w-6xl px-4">
+//         <div className="py-4 text-center">
+//           <h1 className="font-hse-sans text-xl font-semibold">
+//             {title}
+//           </h1>
+//         </div>
         
-        <div className="flex items-center justify-center gap-4 pb-4 overflow-x-auto no-scrollbar">
-          <Link
-            to={`/constructor/${competitionId}/tasks/settings`}
-            className="bg-gray-100 text-gray-700 rounded-lg px-3 py-1.5 font-medium text-sm font-hse-sans cursor-pointer 
-              transition-all hover:bg-gray-200 flex-shrink-0 flex items-center"
-          >
-            <Settings size={16} className="mr-1" />
-          </Link>
+//         <div className="flex items-center justify-center gap-4 pb-4 overflow-x-auto no-scrollbar">
+//           <Link
+//             to={`/constructor/${competitionId}/tasks/settings`}
+//             className="bg-gray-100 text-gray-700 rounded-lg px-3 py-1.5 font-medium text-sm font-hse-sans cursor-pointer 
+//               transition-all hover:bg-gray-200 flex-shrink-0 flex items-center"
+//           >
+//             <Settings size={16} className="mr-1" />
+//           </Link>
           
-          {tasks.map((task) => (
-            <Link
-              key={task.id}
-              to={`/constructor/${competitionId}/tasks/${task.id}`}
-              className="bg-blue-100 text-blue-700 rounded-lg px-3 py-1.5 font-medium text-sm font-hse-sans cursor-pointer 
-                transition-all hover:bg-blue-200 flex-shrink-0"
-            >
-              {task.number}
-            </Link>
-          ))}
+//           {tasks.map((task) => (
+//             <Link
+//               key={task.id}
+//               to={`/constructor/${competitionId}/tasks/${task.id}`}
+//               className="bg-blue-100 text-blue-700 rounded-lg px-3 py-1.5 font-medium text-sm font-hse-sans cursor-pointer 
+//                 transition-all hover:bg-blue-200 flex-shrink-0"
+//             >
+//               {task.number}
+//             </Link>
+//           ))}
           
-          <Button
-            variant="ghost"
-            size="sm"
-            className="rounded-lg flex items-center px-2 h-8"
-            onClick={onAddTaskClick}
-          >
-            <Plus size={18} />
-          </Button>
-        </div>
-      </div>
-    </header>
-  );
-};
+//           <Button
+//             variant="ghost"
+//             size="sm"
+//             className="rounded-lg flex items-center px-2 h-8"
+//             onClick={onAddTaskClick}
+//           >
+//             <Plus size={18} />
+//           </Button>
+//         </div>
+//       </div>
+//     </header>
+//   );
+// };
 
-export default ConstructorHeader;
+// export default ConstructorHeader;

services/frontend/src/pages/CompetitionConstructor/index.tsx

@@ -1,89 +1,89 @@
-import { useState } from "react";
-import { useParams, Navigate, useNavigate } from "react-router-dom";
-import { Task, TaskStatus } from "@/shared/types";
-import ConstructorHeader from "./components/ConstructorHeader";
-import TaskCreationModal from "./modules/TaskCreationModal";
+// import { useState } from "react";
+// import { useParams, Navigate, useNavigate } from "react-router-dom";
+// import { Task, TaskStatus } from "@/shared/types";
+// import ConstructorHeader from "./components/ConstructorHeader";
+// import TaskCreationModal from "./modules/TaskCreationModal";
 
-const CompetitionConstructor = () => {
-  const { id, taskId } = useParams<{ id: string; taskId?: string }>();
-  const navigate = useNavigate();
-  const [competitionTitle, setCompetitionTitle] = useState("Новая олимпиада");
-  const [tasks, setTasks] = useState<Task[]>([]);
-  const [isTaskModalOpen, setIsTaskModalOpen] = useState(false);
+// const CompetitionConstructor = () => {
+//   const { id, taskId } = useParams<{ id: string; taskId?: string }>();
+//   const navigate = useNavigate();
+//   const [competitionTitle, setCompetitionTitle] = useState("Новая олимпиада");
+//   const [tasks, setTasks] = useState<Task[]>([]);
+//   const [isTaskModalOpen, setIsTaskModalOpen] = useState(false);
   
-  const isSettings = taskId === "settings";
+//   const isSettings = taskId === "settings";
   
-  const handleOpenTaskModal = () => {
-    setIsTaskModalOpen(true);
-  };
+//   const handleOpenTaskModal = () => {
+//     setIsTaskModalOpen(true);
+//   };
   
-  const handleCloseTaskModal = () => {
-    setIsTaskModalOpen(false);
-  };
+//   const handleCloseTaskModal = () => {
+//     setIsTaskModalOpen(false);
+//   };
   
-  const handleCreateTask = (taskData: Partial<Task>) => {
-    const newTask: Task = {
-      id: `task-${Date.now()}`,
-      number: taskData.number || `${tasks.length + 1}`,
-      status: TaskStatus.Uncleared,
-      solutionType: taskData.solutionType || "input",
-      description: taskData.description || "",
-      requirements: taskData.requirements,
-      attachments: taskData.attachments || []
-    };
+//   const handleCreateTask = (taskData: Partial<Task>) => {
+//     const newTask: Task = {
+//       id: `task-${Date.now()}`,
+//       number: taskData.number || `${tasks.length + 1}`,
+//       status: TaskStatus.Uncleared,
+//       solutionType: taskData.solutionType || "input",
+//       description: taskData.description || "",
+//       requirements: taskData.requirements,
+//       attachments: taskData.attachments || []
+//     };
     
-    setTasks([...tasks, newTask]);
-    setIsTaskModalOpen(false);
-    navigate(`/constructor/${id}/tasks/${newTask.id}`);
-  };
+//     setTasks([...tasks, newTask]);
+//     setIsTaskModalOpen(false);
+//     navigate(`/constructor/${id}/tasks/${newTask.id}`);
+//   };
   
-  if (!taskId) {
-    if (tasks.length > 0) {
-      return <Navigate to={`/constructor/${id}/tasks/${tasks[0].id}`} replace />;
-    } else {
-      return <Navigate to={`/constructor/${id}/tasks/settings`} replace />;
-    }
-  }
+//   if (!taskId) {
+//     if (tasks.length > 0) {
+//       return <Navigate to={`/constructor/${id}/tasks/${tasks[0].id}`} replace />;
+//     } else {
+//       return <Navigate to={`/constructor/${id}/tasks/settings`} replace />;
+//     }
+//   }
 
-  return (
-    <div className="flex flex-col min-h-screen">
-      <ConstructorHeader 
-        title={competitionTitle}
-        tasks={tasks} 
-        competitionId={id || ""}
-        onAddTaskClick={handleOpenTaskModal}
-      />
+//   return (
+//     <div className="flex flex-col min-h-screen">
+//       <ConstructorHeader 
+//         title={competitionTitle}
+//         tasks={tasks} 
+//         competitionId={id || ""}
+//         onAddTaskClick={handleOpenTaskModal}
+//       />
       
-      <TaskCreationModal 
-        isOpen={isTaskModalOpen}
-        onClose={handleCloseTaskModal}
-        onCreateTask={handleCreateTask}
-        taskCount={tasks.length}
-      />
+//       <TaskCreationModal 
+//         isOpen={isTaskModalOpen}
+//         onClose={handleCloseTaskModal}
+//         onCreateTask={handleCreateTask}
+//         taskCount={tasks.length}
+//       />
       
-      <main className="flex-1 bg-[#F8F8F8] pb-8">
-        <div className="max-w-6xl mx-auto px-4 py-6">
-          {isSettings ? (
-            <div className="bg-white rounded-lg p-6 shadow-sm">
-              <h2 className="text-2xl font-semibold mb-6 font-hse-sans">Настройки олимпиады</h2>
-              <p className="text-gray-500 font-hse-sans">
-                Здесь будет форма настроек олимпиады
-              </p>
-            </div>
-          ) : (
-            <div className="bg-white rounded-lg p-6 shadow-sm">
-              <h2 className="text-2xl font-semibold mb-6 font-hse-sans">
-                {`Редактирование задачи ${tasks.find(t => t.id === taskId)?.number || ""}`}
-              </h2>
-              <p className="text-gray-500 font-hse-sans">
-                Здесь будет форма редактирования задачи
-              </p>
-            </div>
-          )}
-        </div>
-      </main>
-    </div>
-  );
-};
+//       <main className="flex-1 bg-[#F8F8F8] pb-8">
+//         <div className="max-w-6xl mx-auto px-4 py-6">
+//           {isSettings ? (
+//             <div className="bg-white rounded-lg p-6 shadow-sm">
+//               <h2 className="text-2xl font-semibold mb-6 font-hse-sans">Настройки олимпиады</h2>
+//               <p className="text-gray-500 font-hse-sans">
+//                 Здесь будет форма настроек олимпиады
+//               </p>
+//             </div>
+//           ) : (
+//             <div className="bg-white rounded-lg p-6 shadow-sm">
+//               <h2 className="text-2xl font-semibold mb-6 font-hse-sans">
+//                 {`Редактирование задачи ${tasks.find(t => t.id === taskId)?.number || ""}`}
+//               </h2>
+//               <p className="text-gray-500 font-hse-sans">
+//                 Здесь будет форма редактирования задачи
+//               </p>
+//             </div>
+//           )}
+//         </div>
+//       </main>
+//     </div>
+//   );
+// };
 
-export default CompetitionConstructor;
+// export default CompetitionConstructor;

services/frontend/src/pages/CompetitionConstructor/modules/TaskCreationModal/index.tsx

@@ -1,101 +1,101 @@
-import React, { useState } from 'react';
-import { 
-  Dialog, 
-  DialogContent, 
-  DialogHeader, 
-  DialogTitle, 
-  DialogFooter 
-} from "@/components/ui/dialog";
-import { Button } from "@/components/ui/button";
-import { Task } from "@/shared/types";
-import TaskNumberField from './components/TaskNumberField';
-import TaskDescriptionField from './components/TaskDescriptionField';
-import TaskRequirementsField from './components/TaskRequirementsField';
-import TaskSolutionTypeSelector from './components/TaskSolutionTypeSelector';
-import TaskFileAttachments from './components/TaskFileAttachments';
+// import React, { useState } from 'react';
+// import { 
+//   Dialog, 
+//   DialogContent, 
+//   DialogHeader, 
+//   DialogTitle, 
+//   DialogFooter 
+// } from "@/components/ui/dialog";
+// import { Button } from "@/components/ui/button";
+// import { Task } from "@/shared/types";
+// import TaskNumberField from './components/TaskNumberField';
+// import TaskDescriptionField from './components/TaskDescriptionField';
+// import TaskRequirementsField from './components/TaskRequirementsField';
+// import TaskSolutionTypeSelector from './components/TaskSolutionTypeSelector';
+// import TaskFileAttachments from './components/TaskFileAttachments';
 
-interface TaskCreationModalProps {
-  isOpen: boolean;
-  onClose: () => void;
-  onCreateTask: (task: Partial<Task>) => void;
-  taskCount: number;
-}
+// interface TaskCreationModalProps {
+//   isOpen: boolean;
+//   onClose: () => void;
+//   onCreateTask: (task: Partial<Task>) => void;
+//   taskCount: number;
+// }
 
-const TaskCreationModal: React.FC<TaskCreationModalProps> = ({
-  isOpen,
-  onClose,
-  onCreateTask,
-  taskCount
-}) => {
-  const [number, setNumber] = useState(`${taskCount + 1}`);
-  const [description, setDescription] = useState('');
-  const [requirements, setRequirements] = useState('');
-  const [solutionType, setSolutionType] = useState<'input' | 'file' | 'code'>('input');
-  const [attachedFiles, setAttachedFiles] = useState<File[]>([]);
+// const TaskCreationModal: React.FC<TaskCreationModalProps> = ({
+//   isOpen,
+//   onClose,
+//   onCreateTask,
+//   taskCount
+// }) => {
+//   const [number, setNumber] = useState(`${taskCount + 1}`);
+//   const [description, setDescription] = useState('');
+//   const [requirements, setRequirements] = useState('');
+//   const [solutionType, setSolutionType] = useState<'input' | 'file' | 'code'>('input');
+//   const [attachedFiles, setAttachedFiles] = useState<File[]>([]);
   
-  const handleSubmit = () => {
-    const newTask: Partial<Task> = {
-      number,
-      description,
-      requirements: requirements || undefined,
-      solutionType,
-      attachments: attachedFiles.map(file => file.name)
-    };
+//   const handleSubmit = () => {
+//     const newTask: Partial<Task> = {
+//       number,
+//       description,
+//       requirements: requirements || undefined,
+//       solutionType,
+//       attachments: attachedFiles.map(file => file.name)
+//     };
     
-    onCreateTask(newTask);
+//     onCreateTask(newTask);
     
-    setNumber(`${taskCount + 1}`);
-    setDescription('');
-    setRequirements('');
-    setSolutionType('input');
-    setAttachedFiles([]);
-  };
+//     setNumber(`${taskCount + 1}`);
+//     setDescription('');
+//     setRequirements('');
+//     setSolutionType('input');
+//     setAttachedFiles([]);
+//   };
   
-  return (
-    <Dialog open={isOpen} onOpenChange={onClose}>
-      <DialogContent className="sm:max-w-[600px] font-hse-sans">
-        <DialogHeader>
-          <DialogTitle className="text-xl">Создание новой задачи</DialogTitle>
-        </DialogHeader>
+//   return (
+//     <Dialog open={isOpen} onOpenChange={onClose}>
+//       <DialogContent className="sm:max-w-[600px] font-hse-sans">
+//         <DialogHeader>
+//           <DialogTitle className="text-xl">Создание новой задачи</DialogTitle>
+//         </DialogHeader>
         
-        <div className="grid gap-4 py-4">
-          <TaskNumberField 
-            number={number} 
-            onChange={setNumber} 
-          />
+//         <div className="grid gap-4 py-4">
+//           <TaskNumberField 
+//             number={number} 
+//             onChange={setNumber} 
+//           />
           
-          <TaskDescriptionField 
-            description={description} 
-            onChange={setDescription} 
-          />
+//           <TaskDescriptionField 
+//             description={description} 
+//             onChange={setDescription} 
+//           />
           
-          <TaskRequirementsField 
-            requirements={requirements} 
-            onChange={setRequirements} 
-          />
+//           <TaskRequirementsField 
+//             requirements={requirements} 
+//             onChange={setRequirements} 
+//           />
           
-          <TaskSolutionTypeSelector 
-            solutionType={solutionType} 
-            onChange={setSolutionType} 
-          />
+//           <TaskSolutionTypeSelector 
+//             solutionType={solutionType} 
+//             onChange={setSolutionType} 
+//           />
           
-          <TaskFileAttachments 
-            files={attachedFiles} 
-            onChange={setAttachedFiles} 
-          />
-        </div>
+//           <TaskFileAttachments 
+//             files={attachedFiles} 
+//             onChange={setAttachedFiles} 
+//           />
+//         </div>
         
-        <DialogFooter>
-          <Button type="button" variant="outline" onClick={onClose}>
-            Отмена
-          </Button>
-          <Button type="button" onClick={handleSubmit}>
-            Создать задачу
-          </Button>
-        </DialogFooter>
-      </DialogContent>
-    </Dialog>
-  );
-};
+//         <DialogFooter>
+//           <Button type="button" variant="outline" onClick={onClose}>
+//             Отмена
+//           </Button>
+//           <Button type="button" onClick={handleSubmit}>
+//             Создать задачу
+//           </Button>
+//         </DialogFooter>
+//       </DialogContent>
+//     </Dialog>
+//   );
+// };
 
-export default TaskCreationModal;
+// export default TaskCreationModal;

services/frontend/src/pages/CompetitionSession/components/TaskContent/index.tsx

@@ -3,20 +3,34 @@ import ReactMarkdown from 'react-markdown';
 import remarkMath from 'remark-math';
 import rehypeKatex from 'rehype-katex';
 import 'katex/dist/katex.min.css';
-import { Task } from "@/shared/types";
+import { Task } from '@/shared/types/task';
+import { useQuery } from '@tanstack/react-query';
+import { getTaskAttachments } from '@/shared/api/session';
+import { FileIcon, Loader2 } from 'lucide-react';
+import { useParams } from 'react-router-dom';
 
 interface TaskContentProps {
   task: Task;
 }
 
 const TaskContent: React.FC<TaskContentProps> = ({ task }) => {
+  const { id: competitionId } = useParams<{ id: string }>();
+
+  const attachmentsQuery = useQuery({
+    queryKey: ['taskAttachments', competitionId, task.id],
+    queryFn: () => getTaskAttachments(competitionId || '', task.id),
+    enabled: !!(competitionId && task.id),
+  });
+
+  const attachments = attachmentsQuery.data || [];
+
   return (
     <div className="flex-1 bg-white rounded-lg p-6">
       <h2 className="text-3xl font-semibold mb-6 font-hse-sans">
-        Задача {task.number}
+        Задача {task.in_competition_position}
       </h2>
       
-      <div className="prose prose-lg max-w-none text-gray-700 font-hse-sans">
+      <div className="prose prose-lg max-w-none text-gray-700 font-hse-sans mb-6">
         <ReactMarkdown
           remarkPlugins={[remarkMath]}
           rehypePlugins={[rehypeKatex]}
@@ -24,8 +38,43 @@ const TaskContent: React.FC<TaskContentProps> = ({ task }) => {
           {task.description}
         </ReactMarkdown>
       </div>
+
+      {attachmentsQuery.isLoading ? (
+        <div className="flex items-center justify-center py-4">
+          <Loader2 className="h-5 w-5 animate-spin text-gray-400 mr-2" />
+          <span className="text-gray-500 font-hse-sans">Загрузка файлов...</span>
+        </div>
+      ) : attachments.length > 0 ? (
+        <div className="mt-6">
+          <h3 className="text-lg font-semibold mb-3 font-hse-sans">Прикрепленные файлы</h3>
+          <div className="flex flex-col gap-2">
+            {attachments.map((attachment) => (
+              <a 
+                key={attachment.id}
+                href={attachment.file}
+                download
+                className="flex items-center p-3 border rounded-md hover:bg-gray-50 transition-colors"
+              >
+                <FileIcon size={18} className="text-blue-500 mr-2" />
+                <span className="font-hse-sans">
+                  {getFileNameFromUrl(attachment.file)}
+                </span>
+              </a>
+            ))}
+          </div>
+        </div>
+      ) : null}
     </div>
   );
 };
 
-export default TaskContent;
+const getFileNameFromUrl = (url: string): string => {
+  try {
+    const parts = url.split('/');
+    return parts[parts.length - 1];
+  } catch (e) {
+    return 'Файл';
+  }
+};
+
+export default TaskContent;

services/frontend/src/pages/CompetitionSession/index.tsx

@@ -1,23 +1,32 @@
 import { useState } from "react";
 import { useParams, Navigate } from "react-router-dom";
-import { mockSolutions } from "@/shared/mocks/mocks";
 import CompetitionHeader from "./components/CompetitionHeader";
 import TaskContent from "./components/TaskContent";
 import TaskSolution from "./modules/TaskSolution";
-import { getCompetitionTasks } from "@/shared/api/session";
+import { getCompetitionTasks, submitTaskSolution } from "@/shared/api/session";
 import { Loader2 } from "lucide-react";
-import { useQuery } from "@tanstack/react-query";
+import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query";
 
 const CompetitionSession = () => {
   const { id, taskId } = useParams<{ id: string; taskId?: string }>();
   const [answer, setAnswer] = useState("");
   const competitionId = id || "";
+  const queryClient = useQueryClient();
 
   const tasksQuery = useQuery({
     queryKey: ["competitionTasks", competitionId],
     queryFn: () => getCompetitionTasks(competitionId),
     enabled: !!competitionId,
-    // refetchOnWindowFocus: false, 
+  });
+
+  const submitMutation = useMutation({
+    mutationFn: () => submitTaskSolution(competitionId, taskId || "", answer),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ 
+        queryKey: ['submissionHistory', competitionId, taskId] 
+      });
+      setAnswer("");
+    }
   });
 
   const tasks = tasksQuery.data || [];
@@ -35,14 +44,9 @@ const CompetitionSession = () => {
     );
   }
 
-  const handleSubmit = async () => {
-    if (!currentTask || !competitionId) return;
-
-    try {
-      console.log("Solution submitted successfully");
-    } catch (err) {
-      console.error("Failed to submit solution:", err);
-    }
+  const handleSubmit = () => {
+    if (!currentTask || !competitionId || !answer.trim()) return;
+    submitMutation.mutate();
   };
 
   return (
@@ -69,7 +73,7 @@ const CompetitionSession = () => {
               <TaskContent task={currentTask} />
               <TaskSolution
                 task={currentTask}
-                solutions={mockSolutions}
+                solutions={[]}
                 answer={answer}
                 setAnswer={setAnswer}
                 onSubmit={handleSubmit}

services/frontend/src/pages/CompetitionSession/modules/TaskSolution/components/ActionButtons/index.tsx

@@ -1,48 +1,31 @@
-import React, { useState } from 'react';
+import React from 'react';
 import { Button } from "@/components/ui/button";
-import SolutionHistorySheet from '../SolutionHistorySheet';
-import { Solution } from "@/shared/types";
-import { mockSolutions } from '@/shared/mocks/mocks';
 
 interface ActionButtonsProps {
   onSubmit: () => void;
-  solutionHistory?: Solution[]; 
+  onHistoryClick: () => void;
 }
 
 const ActionButtons: React.FC<ActionButtonsProps> = ({ 
   onSubmit,
-  solutionHistory = mockSolutions
+  onHistoryClick
 }) => {
-  const [isHistoryOpen, setIsHistoryOpen] = useState(false);
-  
-  const handleHistoryClick = () => {
-    setIsHistoryOpen(true);
-  };
-
   return (
-    <>
-      <div className="flex gap-8">
-        <Button 
-          variant="ghost" 
-          className="font-hse-sans bg-white hover:bg-gray-100"
-          onClick={handleHistoryClick}
-        >
-          История
-        </Button>
-        <Button 
-          onClick={onSubmit}
-          className="font-hse-sans flex-grow" 
-        >
-          Отправить решение
-        </Button>
-      </div>
-      {/* чуть-чуть рак */}
-      <SolutionHistorySheet 
-        isOpen={isHistoryOpen} 
-        onOpenChange={setIsHistoryOpen} 
-        solutions={solutionHistory} 
-      />
-    </>
+    <div className="flex gap-8">
+      <Button 
+        variant="ghost" 
+        className="font-hse-sans bg-white hover:bg-gray-100"
+        onClick={onHistoryClick}
+      >
+        История
+      </Button>
+      <Button 
+        onClick={onSubmit}
+        className="font-hse-sans flex-grow" 
+      >
+        Отправить решение
+      </Button>
+    </div>
   );
 };
 

services/frontend/src/pages/CompetitionSession/modules/TaskSolution/components/SolutionHistorySheet/index.tsx

@@ -3,18 +3,20 @@ import { Sheet, SheetClose, SheetContent, SheetHeader, SheetTitle } from "@/comp
 import { Button } from "@/components/ui/button";
 import { X } from "lucide-react";
 import SolutionStatus from '../SolutionStatus';
-import { Solution } from "@/shared/types";
+import { Solution } from '@/shared/types/task';
 
 interface SolutionHistorySheetProps {
   isOpen: boolean;
   onOpenChange: (open: boolean) => void;
   solutions: Solution[];
+  maxPoints: number
 }
 
 const SolutionHistorySheet: React.FC<SolutionHistorySheetProps> = ({
   isOpen,
   onOpenChange,
-  solutions
+  solutions,
+  maxPoints
 }) => {
   return (
     <Sheet open={isOpen} onOpenChange={onOpenChange}>
@@ -34,7 +36,7 @@ const SolutionHistorySheet: React.FC<SolutionHistorySheetProps> = ({
           {solutions.length > 0 ? (
             solutions.map((solution, index) => (
               <div key={index} className="w-full">
-                <SolutionStatus solution={solution} />
+                <SolutionStatus solution={solution} maxPoints={maxPoints} />
               </div>
             ))
           ) : (

services/frontend/src/pages/CompetitionSession/modules/TaskSolution/components/SolutionStatus/index.tsx

@@ -1,41 +1,26 @@
 import React from 'react';
-import { Solution, TaskStatus } from "@/shared/types";
-import { getTaskBgColor, getTaskTextColor } from '@/pages/CompetitionSession/utils/utils';
+import { Solution } from '@/shared/types/task';
+import { getSolutionBgColor, getSolutionTextColor, getStatusText } from '@/pages/CompetitionSession/utils/utils';
 
 interface SolutionStatusProps {
   solution: Solution;
+  maxPoints: number;
 }
 
-const SolutionStatus: React.FC<SolutionStatusProps> = ({ solution }) => {
-  const getStatusText = (status: TaskStatus, score?: number, maxScore?: number) => {
-    switch (status) {
-      case TaskStatus.Checking:
-        return 'На проверке';
-      case TaskStatus.Wrong:
-        return 'Неверный ответ';
-      case TaskStatus.Correct:
-        return `Зачтено ${maxScore}/${maxScore} баллов`;
-      case TaskStatus.Partial:
-        return `Зачтено ${score}/${maxScore} баллов`;
-      case TaskStatus.Uncleared:
-        return 'Не решено';
-      default:
-        return '';
-    }
-  };
-
+const SolutionStatus: React.FC<SolutionStatusProps> = ({ solution, maxPoints }) => {
+ 
   return (
-    <div className={`${getTaskBgColor(solution.status)} rounded-lg p-4 relative`}>
+    <div className={`${getSolutionBgColor(solution.status, solution.earned_points, maxPoints)} rounded-lg p-4 relative`}>
       <div className="flex flex-col">
-        <span className={`${getTaskTextColor(solution.status)} font-medium`}>
+        <span className={`${getSolutionTextColor(solution.status, solution.earned_points, maxPoints)} font-medium`}>
           Решение {solution.id}
         </span>
-        <span className={`${getTaskTextColor(solution.status)} mt-1`}>
-          {getStatusText(solution.status, solution.score, solution.maxScore)}
+        <span className={`${getSolutionTextColor(solution.status, solution.earned_points, maxPoints)} mt-1`}>
+          {getStatusText(solution.status, solution.earned_points, maxPoints)}
         </span>
       </div>
-      <div className={`absolute bottom-2 right-3 text-xs ${getTaskTextColor(solution.status)}`}>
-        {solution.date}
+      <div className={`absolute bottom-2 right-3 text-xs ${getSolutionTextColor(solution.status, solution.earned_points, maxPoints)}`}>
+        {solution.timestamp}
       </div>
     </div>
   );

services/frontend/src/pages/CompetitionSession/modules/TaskSolution/index.tsx

@@ -1,10 +1,14 @@
 import React, { useState, useRef } from 'react';
-import { Solution, Task } from "@/shared/types";
+import { useParams } from 'react-router-dom';
+import { Task, TaskType, Solution } from '@/shared/types/task';
+import { useQuery } from '@tanstack/react-query';
+import { getTaskSolutionHistory } from '@/shared/api/session';
 import SolutionStatus from './components/SolutionStatus';
 import InputSolution from './components/InputSolution';
 import FileSolution from './components/FileSolution';
 import CodeSolution from './components/CodeSolution';
 import ActionButtons from './components/ActionButtons';
+import SolutionHistorySheet from './components/SolutionHistorySheet';
 
 interface TaskSolutionProps {
   task: Task;
@@ -12,7 +16,6 @@ interface TaskSolutionProps {
   answer: string;
   setAnswer: (value: string) => void;
   onSubmit: () => void;
-
 }
 
 const TaskSolution: React.FC<TaskSolutionProps> = ({ 
@@ -24,16 +27,30 @@ const TaskSolution: React.FC<TaskSolutionProps> = ({
 }) => {
   const [selectedFile, setSelectedFile] = useState<File | null>(null);
   const fileInputRef = useRef<HTMLInputElement>(null);
+  const [isHistoryOpen, setIsHistoryOpen] = useState(false);
+  const { id: competitionId } = useParams<{ id: string }>();
+
+  const solutionsQuery = useQuery({
+    queryKey: ['solutionHistory', competitionId, task.id],
+    queryFn: () => getTaskSolutionHistory(competitionId || '', task.id),
+    enabled: !!(competitionId && task.id),
+  });
+
+  const solutionHistory = solutionsQuery.data || [];
+
+  const handleOpenHistory = () => {
+    setIsHistoryOpen(true);
+  };
 
   return (
     <div className="md:w-[500px] flex flex-col gap-4">
-      <SolutionStatus solution={solutions[0]} />
+      <SolutionStatus solution={solutions[0]} maxPoints={task.points}/>
       
-      {task.solutionType === 'input' && (
+      {task.type === TaskType.INPUT && (
         <InputSolution answer={answer} setAnswer={setAnswer} />
       )}
       
-      {task.solutionType === 'file' && (
+      {task.type === TaskType.FILE && (
         <FileSolution 
           selectedFile={selectedFile} 
           setSelectedFile={setSelectedFile} 
@@ -41,11 +58,21 @@ const TaskSolution: React.FC<TaskSolutionProps> = ({
         />
       )}
       
-      {task.solutionType === 'code' && (
+      {task.type === TaskType.CODE && (
         <CodeSolution answer={answer} setAnswer={setAnswer} />
       )}
       
-      <ActionButtons onSubmit={onSubmit} />
+      <ActionButtons 
+        onSubmit={onSubmit} 
+        onHistoryClick={handleOpenHistory}
+      />
+      
+      <SolutionHistorySheet 
+        isOpen={isHistoryOpen} 
+        onOpenChange={setIsHistoryOpen} 
+        solutions={solutionHistory}
+        maxPoints={task.points}
+      />
     </div>
   );
 };

services/frontend/src/pages/CompetitionSession/utils/utils.ts

@@ -1,4 +1,5 @@
 import { TaskStatus } from "@/shared/types";
+import { SolutionStatus } from "@/shared/types/task";
 const getTaskBgColor = (status: TaskStatus): string => {
   switch (status) {
     case TaskStatus.Uncleared: return "bg-[var(--color-task-uncleared)]";
@@ -19,4 +20,39 @@ const getTaskTextColor = (status: TaskStatus): string => {
   }
 };
 
-export {getTaskBgColor, getTaskTextColor}
+const getSolutionBgColor = (status: SolutionStatus, earned_points: number, maxPoints: number): string => {
+  switch (status) {
+    case SolutionStatus.SENT: return "text-[var(--color-task-uncleared)]";
+    case SolutionStatus.CHECKING: return "text-[var(--color-task-checking)]";
+    case SolutionStatus.CHECKED: {
+      if (earned_points === 0) return "text-[var(--color-task-wrong)]";
+      else if (earned_points === maxPoints) "text-[var(--color-task-correct)]";
+      return "text-[var(--color-task-partial)]";
+    }
+  }
+}
+
+const getSolutionTextColor = (status: SolutionStatus, earned_points: number, maxPoints: number): string => {
+  switch (status) {
+    case SolutionStatus.SENT: return "text-[var(--color-task-text-uncleared)]";
+    case SolutionStatus.CHECKING: return "text-[var(--color-task-text-checking)]";
+    case SolutionStatus.CHECKED: {
+      if (earned_points === 0) return "text-[var(--color-task-text-wrong)]";
+      else if (earned_points === maxPoints) "text-[var(--color-task-text-correct)]";
+      return "text-[var(--color-task-text-partial)]";
+    }
+  }
+}
+
+const getStatusText = (status: SolutionStatus, earned_points: number, maxPoints: number): string => {
+  switch (status) {
+    case SolutionStatus.SENT: return "Решение отправлено";
+    case SolutionStatus.CHECKING: return "Решение проверяется";
+    case SolutionStatus.CHECKED: {
+      if (earned_points === 0) return "Неверный ответ";
+      else if (earned_points === maxPoints) `Зачтено ${maxPoints}/${maxPoints} баллов`;
+      return `Зачтено ${earned_points}/${maxPoints} баллов`;
+    }
+  }
+}
+export {getTaskBgColor, getTaskTextColor, getSolutionBgColor, getSolutionTextColor, getStatusText}

services/frontend/src/shared/api/session.ts

@@ -1,10 +1,19 @@
 import { userFetch } from ".";
-import { Task } from "../types/task";
+import { Task, Solution, TaskAttachment } from "../types/task";
 
 export const getCompetitionTasks = async (competitionId: string) => {
   return await userFetch<Task[]>(`/competitions/${competitionId}/tasks`);
 };
 
+export const getTaskSolutionHistory = async (competitionId: string, taskId: string) => {
+  return await userFetch<Solution[]>(`/competitions/${competitionId}/tasks/${taskId}/history`);
+};
+
+export const getTaskAttachments = async (competitionId: string, taskId: string) => {
+  return await userFetch<TaskAttachment[]>(`/competitions/${competitionId}/tasks/${taskId}/attachments`);
+};
+
+
 export const submitTaskSolution = async (
   competitionId: string, 
   taskId: string, 

services/frontend/src/shared/types/task.ts

@@ -1,4 +1,4 @@
-export interface Task {
+interface Task {
   id: string;
   title: string;
   description: string;
@@ -7,8 +7,30 @@ export interface Task {
   points: number;
 }
 
+export interface TaskAttachment {
+  id: string;
+  file: string;
+  public: boolean;
+}
+
 enum TaskType {
   INPUT = "input",
   FILE = "file",
   CODE = "code",
 }
+
+enum SolutionStatus {
+  SENT = "sent",
+  CHECKING = "checking",
+  CHECKED = "checked",
+}
+
+interface Solution {
+  id: string,
+  status: SolutionStatus,
+  timestamp: string,
+  earned_points: number
+}
+
+export type {Task, Solution}
+export {TaskType, SolutionStatus}