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package api
import (
"context"
"crypto/ed25519"
"database/sql"
"log"
"strconv"
"strings"
"github.com/kyren223/eko/internal/data"
"github.com/kyren223/eko/internal/packet"
"github.com/kyren223/eko/internal/server/session"
"github.com/kyren223/eko/pkg/snowflake"
)
func SendMessage(ctx context.Context, sess *session.Session, request *packet.SendMessage) packet.Payload {
if (request.ReceiverID != nil) == (request.FrequencyID != nil) {
return &packet.Error{Error: "either receiver id or frequency id must exist"}
}
content := strings.TrimSpace(request.Content)
if content == "" {
return &packet.Error{Error: "message content must not be blank"}
}
queries := data.New(db)
message, err := queries.CreateMessage(ctx, data.CreateMessageParams{
ID: sess.Manager().Node().Generate(),
SenderID: sess.ID(),
Content: content,
FrequencyID: request.FrequencyID,
ReceiverID: request.ReceiverID,
})
if err != nil {
log.Println(sess.Addr(), "database error:", err, "in SendMessage")
return &packet.Error{Error: "internal server error"}
}
return &packet.MessagesInfo{Messages: []data.Message{message}}
}
func RequestMessages(ctx context.Context, sess *session.Session, request *packet.RequestMessages) packet.Payload {
queries := data.New(db)
var messages []data.Message
var err error
if request.FrequencyID != nil && request.ReceiverID == nil {
messages, err = queries.GetFrequencyMessages(ctx, request.FrequencyID)
} else if request.ReceiverID != nil && request.FrequencyID == nil {
messages, err = queries.GetDirectMessages(ctx, data.GetDirectMessagesParams{
User1: sess.ID(),
User2: request.ReceiverID,
})
} else {
return &packet.Error{Error: "either receiver id or frequency id must exist"}
}
if err != nil {
log.Println("database error when retrieving messages:", err)
return &packet.Error{Error: "internal server error"}
}
return &packet.MessagesInfo{Messages: messages}
}
func CreateOrGetUser(ctx context.Context, node *snowflake.Node, pubKey ed25519.PublicKey) (data.User, error) {
queries := data.New(db)
user, err := queries.GetUserByPublicKey(ctx, pubKey)
if err == sql.ErrNoRows {
id := node.Generate()
user, err = queries.CreateUser(ctx, data.CreateUserParams{
ID: id,
Name: "User" + strconv.FormatInt(id.Time()%1000, 10),
PublicKey: pubKey,
})
}
if err != nil {
return data.User{}, err
}
return user, nil
}
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