implement POST message creation

api/api.go

@@ -42,6 +42,7 @@ func Start() {
 			r.Use(MessageCtx) // Load message
 			r.Get("/", GetMessage)
 		})
+		r.Post("/new", NewMessage)
 	})
 
 	if *routes {

api/db.go

@@ -2,6 +2,7 @@ package api
 
 import (
 	"errors"
+	"fmt"
 	"time"
 
 	"git.dubyatp.xyz/chat-api-server/db"
@@ -36,11 +37,15 @@ func dbGetMessage(id string) (*Message, error) {
 	for _, m := range messages {
 		message := m.(map[string]interface{})
 		if message["ID"].(string) == id {
+			timestamp, err := time.Parse(time.RFC3339, message["Timestamp"].(string))
+			if err != nil {
+				return nil, fmt.Errorf("failed to parse timestamp: %v", err)
+			}
 			return &Message{
 				ID:        message["ID"].(string),
 				UserID:    int64(message["UserID"].(float64)),
 				Body:      message["Body"].(string),
-				Timestamp: time.Time(time.Now()),
+				Timestamp: timestamp,
 			}, nil
 		}
 	}
@@ -58,11 +63,15 @@ func dbGetAllMessages() ([]*Message, error) {
 	var result []*Message
 	for _, m := range messages {
 		message := m.(map[string]interface{})
+		timestamp, err := time.Parse(time.RFC3339, message["Timestamp"].(string))
+		if err != nil {
+			return nil, fmt.Errorf("failed to parse timestamp: %v", err)
+		}
 		result = append(result, &Message{
 			ID:        message["ID"].(string),
 			UserID:    int64(message["UserID"].(float64)),
 			Body:      message["Body"].(string),
-			Timestamp: time.Time(time.Now()),
+			Timestamp: timestamp,
 		})
 	}
 	if len(result) == 0 {
@@ -70,3 +79,21 @@ func dbGetAllMessages() ([]*Message, error) {
 	}
 	return result, nil
 }
+
+func dbAddUser(id int64, name string) error {
+	user := map[string]interface{}{
+		"ID":   float64(id), // JSON numbers are float64 by default
+		"Name": name,
+	}
+	return db.AddUser(user)
+}
+
+func dbAddMessage(message *Message) error {
+	dbMessage := map[string]interface{}{
+		"ID":        message.ID,
+		"UserID":    message.UserID, // JSON numbers are float64
+		"Body":      message.Body,
+		"Timestamp": message.Timestamp,
+	}
+	return db.AddMessage(dbMessage)
+}

api/message.go

@@ -8,6 +8,8 @@ import (
 	"github.com/go-chi/chi/v5"
 	"github.com/go-chi/render"
 
+	"github.com/google/uuid"
+
 	"time"
 )
 
@@ -57,6 +59,35 @@ func ListMessages(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+func newMessageID() string {
+	return "msg_" + uuid.New().String()
+}
+
+func NewMessage(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		http.Error(w, "Invalid request method", http.StatusMethodNotAllowed)
+		return
+	}
+
+	var msg Message
+	err := json.NewDecoder(r.Body).Decode(&msg)
+	if err != nil {
+		http.Error(w, "Invalid JSON", http.StatusBadRequest)
+		return
+	}
+
+	msg.ID = newMessageID()
+
+	msg.Timestamp = time.Now()
+
+	err = dbAddMessage(&msg)
+	if err != nil {
+		render.Render(w, r, ErrRender(err))
+		return
+	}
+
+}
+
 type messageKey struct{}
 
 type Message struct {