Upload files to "internal/handlers"
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12e679fa59
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0a3cd6ce06
107
internal/handlers/groups_handlers.go
Normal file
107
internal/handlers/groups_handlers.go
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package handlers
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import (
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"encoding/json"
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"net/http"
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"prak-03-todo/internal/db"
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"strconv"
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"github.com/gorilla/mux"
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)
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// CreateGroupHandler handles POST /groups
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func CreateGroupHandler(w http.ResponseWriter, r *http.Request) {
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var groupRequest struct {
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GroupName string `json:"group_name"`
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}
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err := json.NewDecoder(r.Body).Decode(&groupRequest)
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if err != nil {
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http.Error(w, "Invalid request body", http.StatusBadRequest)
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return
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}
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// Validate input
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if groupRequest.GroupName == "" {
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http.Error(w, "Group name is required", http.StatusBadRequest)
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return
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}
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// Create group using query function
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group, err := db.CreateGroup(groupRequest.GroupName)
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if err != nil {
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http.Error(w, "Failed to create group", http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusCreated)
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json.NewEncoder(w).Encode(group)
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}
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// RemoveGroupHandler handles DELETE /groups/{groupId}
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func RemoveGroupHandler(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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groupID, err := strconv.Atoi(vars["groupId"])
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if err != nil {
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http.Error(w, "Invalid group ID", http.StatusBadRequest)
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return
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}
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// Delete group using query function
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err = db.DeleteGroup(groupID)
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if err != nil {
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if err.Error() == "group not found" {
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http.Error(w, "Group not found", http.StatusNotFound)
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return
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}
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http.Error(w, "Failed to delete group", http.StatusInternalServerError)
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return
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}
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w.WriteHeader(http.StatusOK)
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w.Write([]byte("Group ID " + vars["groupId"] + " Removed"))
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}
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// GetGroupHandler handles GET /groups/{groupId}
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func GetGroupHandler(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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groupID, err := strconv.Atoi(vars["groupId"])
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if err != nil {
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http.Error(w, "Invalid group ID", http.StatusBadRequest)
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return
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}
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// Get group using query function
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group, err := db.GetGroupByID(groupID)
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if err != nil {
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if err.Error() == "group not found" {
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http.Error(w, "Group not found", http.StatusNotFound)
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return
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}
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http.Error(w, "Failed to fetch group", http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(group)
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}
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// GetAllGroupsHandler handles GET /groups
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func GetAllGroupsHandler(w http.ResponseWriter, r *http.Request) {
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groups, err := db.GetAllGroups()
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if err != nil {
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http.Error(w, "Failed to fetch groups", http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(groups)
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}
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// Home handles GET /
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func Home(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte("Hello from Task Management API"))
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}
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223
internal/handlers/tasks_handlers.go
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223
internal/handlers/tasks_handlers.go
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@ -0,0 +1,223 @@
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package handlers
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import (
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"encoding/json"
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"net/http"
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"prak-03-todo/internal/db"
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"strconv"
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"github.com/gorilla/mux"
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)
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// CreateTaskHandler handles POST /groups/{groupId}/tasks
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func CreateTaskHandler(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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groupID, err := strconv.Atoi(vars["groupId"])
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if err != nil {
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http.Error(w, "Invalid group ID", http.StatusBadRequest)
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return
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}
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var taskRequest struct {
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TaskName string `json:"task_name"`
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TaskDescription *string `json:"task_description,omitempty"`
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}
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err = json.NewDecoder(r.Body).Decode(&taskRequest)
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if err != nil {
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http.Error(w, "Invalid request body", http.StatusBadRequest)
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return
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}
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// Validate input
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if taskRequest.TaskName == "" {
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http.Error(w, "Task name is required", http.StatusBadRequest)
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return
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}
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// Verify group exists
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_, err = db.GetGroupByID(groupID)
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if err != nil {
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if err.Error() == "group not found" {
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http.Error(w, "Group not found", http.StatusNotFound)
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return
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}
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http.Error(w, "Failed to verify group", http.StatusInternalServerError)
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return
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}
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// Create task using query function
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task, err := db.CreateTask(taskRequest.TaskName, taskRequest.TaskDescription, groupID)
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if err != nil {
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http.Error(w, "Failed to create task", http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusCreated)
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json.NewEncoder(w).Encode(task)
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}
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// DisplayTasksHandler handles GET /tasks
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func DisplayTasksHandler(w http.ResponseWriter, r *http.Request) {
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tasks, err := db.GetAllTasks()
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if err != nil {
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http.Error(w, "Failed to fetch tasks", http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(tasks)
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}
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// DisplayTasksByGroupHandler handles GET /groups/{groupId}/tasks
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func DisplayTasksByGroupHandler(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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groupID, err := strconv.Atoi(vars["groupId"])
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if err != nil {
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http.Error(w, "Invalid group ID", http.StatusBadRequest)
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return
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}
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// Verify group exists
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_, err = db.GetGroupByID(groupID)
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if err != nil {
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if err.Error() == "group not found" {
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http.Error(w, "Group not found", http.StatusNotFound)
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return
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}
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http.Error(w, "Failed to verify group", http.StatusInternalServerError)
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return
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}
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// Get tasks for the group
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tasks, err := db.GetTasksByGroupID(groupID)
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if err != nil {
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http.Error(w, "Failed to fetch tasks", http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(tasks)
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}
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// GetTaskHandler handles GET /tasks/{taskId}
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func GetTaskHandler(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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taskID, err := strconv.Atoi(vars["taskId"])
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if err != nil {
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http.Error(w, "Invalid task ID", http.StatusBadRequest)
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return
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}
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task, err := db.GetTaskByID(taskID)
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if err != nil {
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if err.Error() == "task not found" {
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http.Error(w, "Task not found", http.StatusNotFound)
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return
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}
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http.Error(w, "Failed to fetch task", http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(task)
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}
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// UpdateTaskHandler handles PUT /tasks/{taskId}
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func UpdateTaskHandler(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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taskID, err := strconv.Atoi(vars["taskId"])
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if err != nil {
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http.Error(w, "Invalid task ID", http.StatusBadRequest)
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return
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}
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var taskRequest struct {
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TaskName string `json:"task_name"`
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TaskDescription *string `json:"task_description,omitempty"`
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}
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err = json.NewDecoder(r.Body).Decode(&taskRequest)
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if err != nil {
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http.Error(w, "Invalid request body", http.StatusBadRequest)
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return
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}
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// Validate input
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if taskRequest.TaskName == "" {
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http.Error(w, "Task name is required", http.StatusBadRequest)
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return
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}
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// Update task using query function
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err = db.UpdateTask(taskID, taskRequest.TaskName, taskRequest.TaskDescription)
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if err != nil {
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if err.Error() == "task not found" {
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http.Error(w, "Task not found", http.StatusNotFound)
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return
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}
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http.Error(w, "Failed to update task", http.StatusInternalServerError)
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return
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}
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// Get updated task
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task, err := db.GetTaskByID(taskID)
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if err != nil {
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http.Error(w, "Failed to fetch updated task", http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(task)
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}
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// MarkTaskDoneHandler handles PUT /tasks/{taskId}/done
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func MarkTaskDoneHandler(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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taskID, err := strconv.Atoi(vars["taskId"])
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if err != nil {
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http.Error(w, "Invalid task ID", http.StatusBadRequest)
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return
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}
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err = db.MarkTaskDone(taskID)
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if err != nil {
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if err.Error() == "task not found" {
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http.Error(w, "Task not found", http.StatusNotFound)
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return
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}
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http.Error(w, "Failed to mark task as done", http.StatusInternalServerError)
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return
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}
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w.WriteHeader(http.StatusOK)
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w.Write([]byte("Task ID " + vars["taskId"] + " Marked as Done"))
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}
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// RemoveTaskHandler handles DELETE /tasks/{taskId}
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func RemoveTaskHandler(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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taskID, err := strconv.Atoi(vars["taskId"])
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if err != nil {
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http.Error(w, "Invalid task ID", http.StatusBadRequest)
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return
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}
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err = db.DeleteTask(taskID)
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if err != nil {
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if err.Error() == "task not found" {
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http.Error(w, "Task not found", http.StatusNotFound)
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return
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}
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http.Error(w, "Failed to delete task", http.StatusInternalServerError)
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return
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}
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w.WriteHeader(http.StatusOK)
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w.Write([]byte("Task ID " + vars["taskId"] + " Removed"))
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}
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