5803024003/Prak-03-Calvin-Todogo
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CalvinLiu123 2025-09-10 17:18:18 +07:00
commit 719e856bc4
8 changed files with 301 additions and 0 deletions
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36
cmd/server/main.go Normal file
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package main
import (
"5803024003/prak-03-Calvin/internal/handlers"
"log"
"net/http"
"github.com/gorilla/mux"
)
func home(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("Hello from Task Management API"))
}
func main() {
r := mux.NewRouter()
r.HandleFunc("/", home).Methods("GET")
// Group management routes
r.HandleFunc("/groups", handlers.CreateGroupHandler).Methods("POST")
r.HandleFunc("/groups/{groupId}", handlers.GetGroupHandler).Methods("GET")
r.HandleFunc("/groups/{groupId}", handlers.RemoveGroupHandler).Methods("DELETE")
// Task management routes
r.HandleFunc("/groups/{groupId}/tasks", handlers.CreateTaskHandler).Methods("POST")
r.HandleFunc("/groups/{groupId}/tasks", handlers.DisplayTasksByGroupHandler).Methods("GET")
r.HandleFunc("/tasks", handlers.DisplayTasksHandler).Methods("GET")
r.HandleFunc("/tasks/{taskId}", handlers.GetTaskHandler).Methods("GET")
r.HandleFunc("/tasks/{taskId}", handlers.UpdateTaskHandler).Methods("PUT")
r.HandleFunc("/tasks/{taskId}", handlers.RemoveTaskHandler).Methods("DELETE")
r.HandleFunc("/tasks/{taskId}/done", handlers.MarkTaskDoneHandler).Methods("PUT")
log.Print("Starting server on :4000")
err := http.ListenAndServe(":4000", r)
log.Fatal(err)
}

8
go.mod Normal file
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module 5803024017/prak-03-Raymond
go 1.25.0
require (
github.com/gorilla/mux v1.8.1 // indirect
github.com/lib/pq v1.10.9 // indirect
)

4
go.sum Normal file
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github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY=
github.com/gorilla/mux v1.8.1/go.mod h1:AKf9I4AEqPTmMytcMc0KkNouC66V3BtZ4qD5fmWSiMQ=
github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw=
github.com/lib/pq v1.10.9/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=

40
internal/db/connection.go Normal file
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package db
import (
"database/sql"
"fmt"
_ "github.com/lib/pq"
)
const (
host = "202.46.28.160"
port = 45432
user = "5803024003"
password = "pw5803024003"
dbname = "5803024003_db"
)
func InitDB() {
// connection string
psqlconn := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s sslmode=disable", host, port, user, password, dbname)
// open database
db, err := sql.Open("postgres", psqlconn)
CheckError(err)
// close database
defer db.Close()
// check db
err = db.Ping()
CheckError(err)
fmt.Println("Connected!")
}
func CheckError(err error) {
if err != nil {
panic(err)
}
}

21
internal/db/models.go Normal file
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package db
import (
"time"
)
// Region represents a geographical region (e.g., "West Campus", "Downtown")
type Groups struct {
GroupID int `json:"regionId" db:"region_id"`
GroupName string `json:"name" db:"name"`
}
// Building represents a building within a region
type Tasks struct {
TaskID int `json:"buildingId" db:"building_id"`
TaskName string `json:"name" db:"name"`
TaskDescription int `json:"floorCount,omitempty" db:"floor_count"`
GroupID int `json:"regionId" db:"region_id"`
IsDone bool `json:"isDone" db:"is_done"`
CreatedAt time.Time `json:"createdAt" db:"created_at"`
}

26
internal/handlers/group_handlers.go Normal file
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package handlers
import (
"net/http"
"github.com/gorilla/mux"
)
func CreateGroupHandler(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusCreated)
w.Write([]byte("Group Created"))
}
func RemoveGroupHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
groupID := vars["groupId"]
w.WriteHeader(http.StatusOK)
w.Write([]byte("Group ID " + groupID + " Removed"))
}
func GetGroupHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
groupID := vars["groupId"]
w.WriteHeader(http.StatusOK)
w.Write([]byte("Displaying Group ID: " + groupID))
}

57
internal/handlers/tasks_handlers.go Normal file
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package handlers
import (
"net/http"
"github.com/gorilla/mux"
)
func CreateTaskHandler(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusCreated)
w.Write([]byte("Task Created"))
}
func DisplayTasksHandler(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
w.Write([]byte("Displaying All Tasks"))
}
func DisplayTasksByGroupHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
groupID := vars["groupId"]
w.WriteHeader(http.StatusOK)
w.Write([]byte("Displaying Tasks for Group ID: " + groupID))
}
func GetTaskHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
taskID := vars["taskId"]
w.WriteHeader(http.StatusOK)
w.Write([]byte("Displaying Task ID: " + taskID))
}
func MarkTaskDoneHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
taskID := vars["taskId"]
w.WriteHeader(http.StatusOK)
w.Write([]byte("Task ID " + taskID + " Marked as Done"))
}
func RemoveTaskHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
taskID := vars["taskId"]
w.WriteHeader(http.StatusOK)
w.Write([]byte("Task ID " + taskID + " Removed"))
}
func UpdateTaskHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
taskID := vars["taskId"]
w.WriteHeader(http.StatusOK)
w.Write([]byte("Task ID " + taskID + " Updated"))
}

109
main.go Normal file
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package main
import (
"log"
"net/http"
"github.com/gorilla/mux"
)
func createGroupHandler(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusCreated)
w.Write([]byte("Group Created"))
}
func createTaskHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
groupID := vars["groupId"]
w.WriteHeader(http.StatusCreated)
w.Write([]byte("Task Created in Group ID: " + groupID))
}
func displayTasksHandler(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
w.Write([]byte("Displaying All Tasks"))
}
func displayTasksByGroupHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
groupID := vars["groupId"]
w.WriteHeader(http.StatusOK)
w.Write([]byte("Displaying Tasks for Group ID: " + groupID))
}
func getTaskHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
taskID := vars["taskId"]
w.WriteHeader(http.StatusOK)
w.Write([]byte("Displaying Task ID: " + taskID))
}
func markTaskDoneHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
taskID := vars["taskId"]
w.WriteHeader(http.StatusOK)
w.Write([]byte("Task ID " + taskID + " Marked as Done"))
}
func removeTaskHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
taskID := vars["taskId"]
w.WriteHeader(http.StatusOK)
w.Write([]byte("Task ID " + taskID + " Removed"))
}
func removeGroupHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
groupID := vars["groupId"]
w.WriteHeader(http.StatusOK)
w.Write([]byte("Group ID " + groupID + " Removed"))
}
func updateTaskHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
taskID := vars["taskId"]
w.WriteHeader(http.StatusOK)
w.Write([]byte("Task ID " + taskID + " Updated"))
}
func getGroupHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
groupID := vars["groupId"]
w.WriteHeader(http.StatusOK)
w.Write([]byte("Displaying Group ID: " + groupID))
}
func home(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("Hello from Task Management API"))
}
func main() {
r := mux.NewRouter()
r.HandleFunc("/", home).Methods("GET")
// Group management routes
r.HandleFunc("/groups", createGroupHandler).Methods("POST")
r.HandleFunc("/groups/{groupId}", getGroupHandler).Methods("GET")
r.HandleFunc("/groups/{groupId}", removeGroupHandler).Methods("DELETE")
// Task management routes
r.HandleFunc("/groups/{groupId}/tasks", createTaskHandler).Methods("POST")
r.HandleFunc("/groups/{groupId}/tasks", displayTasksByGroupHandler).Methods("GET")
r.HandleFunc("/tasks", displayTasksHandler).Methods("GET")
r.HandleFunc("/tasks/{taskId}", getTaskHandler).Methods("GET")
r.HandleFunc("/tasks/{taskId}", updateTaskHandler).Methods("PUT")
r.HandleFunc("/tasks/{taskId}", removeTaskHandler).Methods("DELETE")
r.HandleFunc("/tasks/{taskId}/done", markTaskDoneHandler).Methods("PUT")
log.Print("Starting server on :4000")
err := http.ListenAndServe(":4000", r)
log.Fatal(err)
}