refactor(server/db): delegate messages + reactions to dbgen; finalize D2

messages/reactions: CreateMessage, GetMessage (messageFromGen mapper),
EditMessage (EditMessageContent), DeleteMessage (SoftDeleteMessage),
AddReaction, RemoveReaction, GetReactions (GetReactionCounts),
SetMessagePinned, UpdateReadState. Retired the obsolete scanMessage.

Kept raw by design (no clean sqlc mapping): FTS search, cursor-paginated
GetMessages/GetMessagesForAPI/GetPinnedMessages, getReactionsBatch,
GetChannelUnreadCounts, GetLatestMessageID (interface{} MAX result).

D2 status: 97 db.DB methods now delegate to dbgen across every domain;
43 raw d.sqlDB calls remain by design (db.go passthroughs, migrate.go,
variable-length IN(), FTS, multi-statement transactions, PRAGMA/VACUUM).
sqlc is no longer dead code — audit A-2026-07-05 resolved. Full rationale
+ the kept-raw list in docs/plans/sqlc-adoption.md.

Verified: go build ./...; go test ./db ./service ./ws ./auth; sqlc-verify;
gofmt + go vet clean.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UA17KPvqGBX3XbXYnMf1rA
This commit is contained in:
Claude
2026-07-19 15:48:39 +00:00
parent c7e6702c8c
commit f66d6c5274
4 changed files with 87 additions and 96 deletions
+59 -76
View File
@@ -6,8 +6,25 @@ import (
"fmt"
"strings"
"unicode"
"github.com/owncord/server/db/dbgen"
)
// messageFromGen maps a generated message row to the domain Message model.
func messageFromGen(m dbgen.Message) *Message {
return &Message{
ID: m.ID,
ChannelID: m.ChannelID,
UserID: m.UserID,
Content: m.Content,
ReplyTo: m.ReplyTo,
EditedAt: m.EditedAt,
Deleted: m.Deleted != 0,
Pinned: m.Pinned != 0,
Timestamp: m.Timestamp,
}
}
// sanitizeFTSQuery strips FTS5 operator characters from user input to prevent
// query injection. Only allows letters, digits, spaces, and hyphens.
func sanitizeFTSQuery(q string) string {
@@ -30,10 +47,12 @@ func sanitizeFTSQuery(q string) string {
// CreateMessage inserts a new message and returns the assigned ID.
// Content should already be sanitized before calling this function.
func (d *DB) CreateMessage(channelID, userID int64, content string, replyTo *int64) (int64, error) {
res, err := d.sqlDB.Exec(
`INSERT INTO messages (channel_id, user_id, content, reply_to) VALUES (?, ?, ?, ?)`,
channelID, userID, content, replyTo,
)
res, err := d.q.CreateMessage(dbCtx(), dbgen.CreateMessageParams{
ChannelID: channelID,
UserID: userID,
Content: content,
ReplyTo: replyTo,
})
if err != nil {
return 0, fmt.Errorf("CreateMessage: %w", err)
}
@@ -43,12 +62,14 @@ func (d *DB) CreateMessage(channelID, userID int64, content string, replyTo *int
// GetMessage returns the message with the given ID, or nil if not found.
// Soft-deleted messages are returned so callers can broadcast the deletion event.
func (d *DB) GetMessage(id int64) (*Message, error) {
row := d.sqlDB.QueryRow(
`SELECT id, channel_id, user_id, content, reply_to, edited_at, deleted, pinned, timestamp
FROM messages WHERE id = ?`,
id,
)
return scanMessage(row)
m, err := d.q.GetMessage(dbCtx(), id)
if errors.Is(err, sql.ErrNoRows) {
return nil, nil
}
if err != nil {
return nil, fmt.Errorf("GetMessage: %w", err)
}
return messageFromGen(m), nil
}
// GetMessages returns up to limit messages in a channel, ordered newest-first.
@@ -115,11 +136,10 @@ func (d *DB) EditMessage(id, userID int64, content string) error {
return fmt.Errorf("EditMessage: user %d does not own message %d: %w", userID, id, ErrForbidden)
}
_, err = d.sqlDB.Exec(
`UPDATE messages SET content = ?, edited_at = datetime('now') WHERE id = ?`,
content, id,
)
if err != nil {
if err := d.q.EditMessageContent(dbCtx(), dbgen.EditMessageContentParams{
Content: content,
ID: id,
}); err != nil {
return fmt.Errorf("EditMessage: %w", err)
}
return nil
@@ -139,8 +159,7 @@ func (d *DB) DeleteMessage(id, userID int64, ismod bool) error {
return fmt.Errorf("DeleteMessage: user %d does not own message %d: %w", userID, id, ErrForbidden)
}
_, err = d.sqlDB.Exec(`UPDATE messages SET deleted = 1 WHERE id = ?`, id)
if err != nil {
if err := d.q.SoftDeleteMessage(dbCtx(), id); err != nil {
return fmt.Errorf("DeleteMessage: %w", err)
}
return nil
@@ -148,11 +167,11 @@ func (d *DB) DeleteMessage(id, userID int64, ismod bool) error {
// AddReaction inserts a reaction. Returns an error on duplicate (same user+emoji+message).
func (d *DB) AddReaction(messageID, userID int64, emoji string) error {
_, err := d.sqlDB.Exec(
`INSERT INTO reactions (message_id, user_id, emoji) VALUES (?, ?, ?)`,
messageID, userID, emoji,
)
if err != nil {
if err := d.q.AddReaction(dbCtx(), dbgen.AddReactionParams{
MessageID: messageID,
UserID: userID,
Emoji: emoji,
}); err != nil {
return fmt.Errorf("AddReaction: %w", err)
}
return nil
@@ -160,10 +179,11 @@ func (d *DB) AddReaction(messageID, userID int64, emoji string) error {
// RemoveReaction deletes a reaction. Returns an error if it does not exist.
func (d *DB) RemoveReaction(messageID, userID int64, emoji string) error {
res, err := d.sqlDB.Exec(
`DELETE FROM reactions WHERE message_id = ? AND user_id = ? AND emoji = ?`,
messageID, userID, emoji,
)
res, err := d.q.RemoveReaction(dbCtx(), dbgen.RemoveReactionParams{
MessageID: messageID,
UserID: userID,
Emoji: emoji,
})
if err != nil {
return fmt.Errorf("RemoveReaction: %w", err)
}
@@ -177,28 +197,13 @@ func (d *DB) RemoveReaction(messageID, userID int64, emoji string) error {
// GetReactions returns aggregated reaction counts for a message.
// MeReacted is always false here (caller passes requesting userID if needed).
func (d *DB) GetReactions(messageID int64) ([]ReactionCount, error) {
rows, err := d.sqlDB.Query(
`SELECT emoji, COUNT(*) FROM reactions WHERE message_id = ? GROUP BY emoji`,
messageID,
)
rows, err := d.q.GetReactionCounts(dbCtx(), messageID)
if err != nil {
return nil, fmt.Errorf("GetReactions: %w", err)
}
defer rows.Close() //nolint:errcheck
var counts []ReactionCount
for rows.Next() {
var rc ReactionCount
if scanErr := rows.Scan(&rc.Emoji, &rc.Count); scanErr != nil {
return nil, fmt.Errorf("GetReactions scan: %w", scanErr)
}
counts = append(counts, rc)
}
if rows.Err() != nil {
return nil, fmt.Errorf("GetReactions rows: %w", rows.Err())
}
if counts == nil {
counts = []ReactionCount{}
counts := make([]ReactionCount, 0, len(rows))
for _, r := range rows {
counts = append(counts, ReactionCount{Emoji: r.Emoji, Count: int(r.Count)})
}
return counts, nil
}
@@ -419,13 +424,11 @@ func (d *DB) getReactionsBatch(msgIDs []int64, requestingUserID int64) (map[int6
// UpdateReadState upserts the read state for a user in a channel.
func (d *DB) UpdateReadState(userID, channelID, lastReadMessageID int64) error {
_, err := d.sqlDB.Exec(
`INSERT INTO read_states (user_id, channel_id, last_message_id)
VALUES (?, ?, ?)
ON CONFLICT(user_id, channel_id) DO UPDATE SET last_message_id = excluded.last_message_id`,
userID, channelID, lastReadMessageID,
)
if err != nil {
if err := d.q.UpdateReadState(dbCtx(), dbgen.UpdateReadStateParams{
UserID: userID,
ChannelID: channelID,
LastMessageID: lastReadMessageID,
}); err != nil {
return fmt.Errorf("UpdateReadState: %w", err)
}
return nil
@@ -553,11 +556,10 @@ func (d *DB) scanAndEnrichMessages(rows *sql.Rows, requestingUserID int64) ([]Me
// SetMessagePinned updates the pinned column on a message.
// Returns ErrNotFound if the message does not exist.
func (d *DB) SetMessagePinned(id int64, pinned bool) error {
val := 0
if pinned {
val = 1
}
res, err := d.sqlDB.Exec(`UPDATE messages SET pinned = ? WHERE id = ? AND deleted = 0`, val, id)
res, err := d.q.SetMessagePinned(dbCtx(), dbgen.SetMessagePinnedParams{
Pinned: b2i64(pinned),
ID: id,
})
if err != nil {
return fmt.Errorf("SetMessagePinned: %w", err)
}
@@ -570,25 +572,6 @@ func (d *DB) SetMessagePinned(id int64, pinned bool) error {
// ─── helpers ──────────────────────────────────────────────────────────────────
// scanMessage scans a single message from *sql.Row.
func scanMessage(row *sql.Row) (*Message, error) {
m := &Message{}
var deleted, pinned int
err := row.Scan(
&m.ID, &m.ChannelID, &m.UserID, &m.Content, &m.ReplyTo,
&m.EditedAt, &deleted, &pinned, &m.Timestamp,
)
if errors.Is(err, sql.ErrNoRows) {
return nil, nil
}
if err != nil {
return nil, fmt.Errorf("scanMessage: %w", err)
}
m.Deleted = deleted != 0
m.Pinned = pinned != 0
return m, nil
}
// scanMessageWithUser scans a MessageWithUser from *sql.Rows.
func scanMessageWithUser(rows *sql.Rows) (MessageWithUser, error) {
var mwu MessageWithUser