first

go.mod

@@ -1,5 +1,5 @@
 module github.com/Yandex-Practicum/go-rest-api-homework
 
-go 1.20
+go 1.23
 
-require github.com/go-chi/chi/v5 v5.0.10 // indirect
+require github.com/go-chi/chi/v5 v5.1.0

go.sum

@@ -1,2 +1,4 @@
 github.com/go-chi/chi/v5 v5.0.10 h1:rLz5avzKpjqxrYwXNfmjkrYYXOyLJd37pz53UFHC6vk=
 github.com/go-chi/chi/v5 v5.0.10/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
+github.com/go-chi/chi/v5 v5.1.0 h1:acVI1TYaD+hhedDJ3r54HyA6sExp3HfXq7QWEEY/xMw=
+github.com/go-chi/chi/v5 v5.1.0/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=

precode.go

@@ -1,10 +1,11 @@
 package main
 
 import (
+	"bytes"
+	"encoding/json"
 	"fmt"
-	"net/http"
-
 	"github.com/go-chi/chi/v5"
+	"net/http"
 )
 
 // Task ...
@@ -41,12 +42,87 @@ var tasks = map[string]Task{
 
 // Ниже напишите обработчики для каждого эндпоинта
 // ...
+func getTasks(w http.ResponseWriter, r *http.Request) {
+	resp, err := json.Marshal(tasks)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusOK)
+	_, err = w.Write(resp)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func postTasks(w http.ResponseWriter, r *http.Request) {
+	var task Task
+	var buf bytes.Buffer
+
+	_, err := buf.ReadFrom(r.Body)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+
+	}
+	if err := json.Unmarshal(buf.Bytes(), &task); err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+	if _, ok := tasks[task.ID]; ok {
+		http.Error(w, "Задача уже создана", http.StatusBadRequest)
+		return
+
+	}
+	tasks[task.ID] = task
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+
+}
+
+func getTask(w http.ResponseWriter, r *http.Request) {
+	taskID := chi.URLParam(r, "id")
+	task, ok := tasks[taskID]
+	if !ok {
+		http.Error(w, fmt.Sprintf("task not found: %s", taskID), http.StatusBadRequest)
+		return
+	}
+	resp, err := json.Marshal(task)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusOK)
+	_, err = w.Write(resp)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+}
+
+func deleteTask(w http.ResponseWriter, r *http.Request) {
+	taskID := chi.URLParam(r, "id")
+	_, ok := tasks[taskID]
+	if !ok {
+		http.Error(w, fmt.Sprintf("task not found: %s", taskID), http.StatusBadRequest)
+	}
+	delete(tasks, taskID)
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusOK)
+
+}
 
 func main() {
 	r := chi.NewRouter()
 
 	// здесь регистрируйте ваши обработчики
 	// ...
+	r.Get("/tasks", getTasks)
+	r.Post("/tasks", postTasks)
+	r.Get("/tasks/{id}", getTask)
+	r.Delete("/tasks/{id}", deleteTask)
 
 	if err := http.ListenAndServe(":8080", r); err != nil {
 		fmt.Printf("Ошибка при запуске сервера: %s", err.Error())