before rewrite

http.go

@@ -3,6 +3,7 @@ package main
 import (
 	"log"
 	"net/http"
+	"strconv"
 	"time"
 
 	"golang.org/x/crypto/bcrypt"
@@ -30,6 +31,7 @@ func RegisterHandler(response http.ResponseWriter, request *http.Request) {
 	}
 	if username == "server" {
 		http.Error(response, "only server can use such name", http.StatusBadRequest)
+		return
 	}
 	if len(password) < 8 {
 		http.Error(response, "short or no password", http.StatusBadRequest)
@@ -72,12 +74,14 @@ func LoginHandler(response http.ResponseWriter, request *http.Request) {
 	}
 
 	if len(username) < 2 {
+		log.Printf("username<2")
 		respondBadLogin()
 		return
 	}
 
 	user, err := GetUserDataByName(ctx, username)
 	if err != nil {
+		log.Printf("could not get user: %v", err)
 		respondBadLogin()
 		return
 	}
@@ -94,6 +98,7 @@ func LoginHandler(response http.ResponseWriter, request *http.Request) {
 		}
 		return
 	}
+	log.Printf("bad hash")
 	respondBadLogin()
 }
 
@@ -129,10 +134,11 @@ func CreateGroupHandler(response http.ResponseWriter, request *http.Request) {
 	response.WriteHeader(http.StatusCreated)
 }
 
-func SendMessageHandler(response http.ResponseWriter, request *http.Request) {
-	groupId := request.PathValue("groupid")
-	if groupId == "" {
+func SendMessageToGroupHandler(response http.ResponseWriter, request *http.Request) {
+	groupIdString := request.PathValue("groupid")
+	if groupIdString == "" {
 		http.Error(response, "no group id", http.StatusBadRequest)
+		return
 	}
 
 	var user User
@@ -142,7 +148,7 @@ func SendMessageHandler(response http.ResponseWriter, request *http.Request) {
 		http.Error(response, "no token", http.StatusBadRequest)
 		return
 	}
-	if user, err = GetUserFromToken(token); err != nil || user == nil {
+	if user, err = GetUserFromToken(token); err != nil {
 		http.Error(response, "invalid token", http.StatusUnauthorized)
 		return
 	}
@@ -153,8 +159,35 @@ func SendMessageHandler(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 
-	var isInGroup bool
-	for _, groupId := range user.MemberGroupsId {
+	groupId, err := strconv.ParseUint(groupIdString, 10, 64)
+	if err != nil {
+		http.Error(response, "no such group", http.StatusBadRequest)
+		return
+	}
 
+	groupIds, err := GetUserMemberGroupIds(request.Context(), user.Id)
+	if err != nil {
+		http.Error(response, "internal server error", http.StatusInternalServerError)
+		return
+	}
+	isMember := false
+	for _, id := range groupIds {
+		if id == groupId {
+			isMember = true
+			break
+		}
+	}
+	if isMember {
+		var message = map[string]any{
+			"type":    ServerResponseType.MessageFromUser,
+			"content": content,
+			"from":    user,
+			"time":    time.Now().Unix(),
+		}
+		err := sendToGroup(groupId, user.Id, &message)
+		if err != nil {
+			http.Error(response, "internal server error", http.StatusInternalServerError)
+			return
+		}
 	}
 }