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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/assert"
"github.com/kyren223/eko/pkg/snowflake"
)
func SendMessage(ctx context.Context, request *packet.SendMessage) packet.Payload {
sess, ok := session.FromContext(ctx)
assert.Assert(ok, "context in process packet should always have a session")
if (request.ReceiverID != nil) == (request.FrequencyID != nil) {
return &packet.ErrorMessage{Error: "either receiver id or frequency id must exist"}
}
content := strings.TrimSpace(request.Content)
if content == "" {
return &packet.ErrorMessage{Error: "message content must not be blank"}
}
node := sess.Manager().Node()
queries := data.New(db)
message, err := queries.CreateMessage(ctx, data.CreateMessageParams{
ID: node.Generate(),
SenderID: sess.ID(),
Content: content,
FrequencyID: request.FrequencyID,
ReceiverID: request.ReceiverID,
})
if err != nil {
log.Println(sess.Addr(), "SendMessage database error:", err)
return &packet.ErrorMessage{Error: "internal server error"}
}
return &packet.Messages{Messages: []data.Message{message}}
}
func GetMessages(ctx context.Context, request *packet.GetMessagesRange) packet.Payload {
queries := data.New(db)
messages, err := queries.GetFrequencyMessages(ctx, request.FrequencyID)
if err != nil {
log.Println("database error when retrieving messages:", err)
return &packet.ErrorMessage{Error: "internal server error"}
}
return &packet.Messages{Messages: messages}
}
func GetUserById(ctx context.Context, request *packet.GetUserByID) packet.Payload {
queries := data.New(db)
user, err := queries.GetUserById(ctx, request.UserID)
if err == sql.ErrNoRows {
return &packet.Users{Users: []data.User{}}
}
if err != nil {
log.Println("database error when retrieving user by id:", err)
return &packet.ErrorMessage{Error: "internal server error"}
}
return &packet.Users{Users: []data.User{user}}
}
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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