Changeset 0.29.0 (#195)

This commit is contained in:
2026-03-17 16:28:47 +00:00
parent 128cbb8174
commit 5d637d3a90
129 changed files with 9418 additions and 3016 deletions

View File

@@ -1,7 +1,6 @@
package handlers
import (
"database/sql"
"encoding/json"
"math"
"net/http"
@@ -9,69 +8,68 @@ import (
"strings"
"github.com/gin-gonic/gin"
"github.com/lib/pq"
"git.gobha.me/xcaliber/chat-switchboard/database"
"git.gobha.me/xcaliber/chat-switchboard/models"
"git.gobha.me/xcaliber/chat-switchboard/store"
)
// ── Request / Response types ────────────────
type createChannelRequest struct {
Title string `json:"title" binding:"required,max=500"`
Type string `json:"type,omitempty"` // direct (default), dm, group, channel, workflow
Description string `json:"description,omitempty"`
Model string `json:"model,omitempty"`
SystemPrompt string `json:"system_prompt,omitempty"`
ProviderConfigID *string `json:"provider_config_id,omitempty"`
Folder string `json:"folder,omitempty"`
FolderID *string `json:"folder_id,omitempty"`
Tags []string `json:"tags,omitempty"`
Title string `json:"title" binding:"required,max=500"`
Type string `json:"type,omitempty"` // direct (default), dm, group, channel, workflow
Description string `json:"description,omitempty"`
Model string `json:"model,omitempty"`
SystemPrompt string `json:"system_prompt,omitempty"`
ProviderConfigID *string `json:"provider_config_id,omitempty"`
Folder string `json:"folder,omitempty"`
FolderID *string `json:"folder_id,omitempty"`
Tags []string `json:"tags,omitempty"`
// v0.23.2: DM creation
Participants []string `json:"participants,omitempty"` // user IDs for DM (exactly 1 other user)
AiMode string `json:"ai_mode,omitempty"` // auto (default), mention_only, off
}
type updateChannelRequest struct {
Title *string `json:"title,omitempty"`
Description *string `json:"description,omitempty"`
Model *string `json:"model,omitempty"`
SystemPrompt *string `json:"system_prompt,omitempty"`
ProviderConfigID *string `json:"provider_config_id,omitempty"`
IsArchived *bool `json:"is_archived,omitempty"`
IsPinned *bool `json:"is_pinned,omitempty"`
Folder *string `json:"folder,omitempty"`
FolderID *string `json:"folder_id,omitempty"`
Tags []string `json:"tags,omitempty"`
Settings *json.RawMessage `json:"settings,omitempty"` // JSONB merge into existing settings
WorkspaceID *string `json:"workspace_id,omitempty"` // bind workspace (v0.21.5)
AiMode *string `json:"ai_mode,omitempty"` // v0.23.2: auto, mention_only, off
Topic *string `json:"topic,omitempty"` // v0.23.2: channel topic
Title *string `json:"title,omitempty"`
Description *string `json:"description,omitempty"`
Model *string `json:"model,omitempty"`
SystemPrompt *string `json:"system_prompt,omitempty"`
ProviderConfigID *string `json:"provider_config_id,omitempty"`
IsArchived *bool `json:"is_archived,omitempty"`
IsPinned *bool `json:"is_pinned,omitempty"`
Folder *string `json:"folder,omitempty"`
FolderID *string `json:"folder_id,omitempty"`
Tags []string `json:"tags,omitempty"`
Settings *json.RawMessage `json:"settings,omitempty"` // JSONB merge into existing settings
WorkspaceID *string `json:"workspace_id,omitempty"` // bind workspace (v0.21.5)
AiMode *string `json:"ai_mode,omitempty"` // v0.23.2: auto, mention_only, off
Topic *string `json:"topic,omitempty"` // v0.23.2: channel topic
}
type channelResponse struct {
ID string `json:"id"`
UserID string `json:"user_id"`
Title string `json:"title"`
Type string `json:"type"`
AiMode string `json:"ai_mode,omitempty"`
Topic *string `json:"topic,omitempty"`
Description *string `json:"description"`
Model *string `json:"model"`
ProviderConfigID *string `json:"provider_config_id"`
SystemPrompt *string `json:"system_prompt"`
IsArchived bool `json:"is_archived"`
IsPinned bool `json:"is_pinned"`
Folder *string `json:"folder"`
FolderID *string `json:"folder_id,omitempty"`
ProjectID *string `json:"project_id,omitempty"`
WorkspaceID *string `json:"workspace_id,omitempty"`
Tags []string `json:"tags"`
Settings json.RawMessage `json:"settings,omitempty"`
MessageCount int `json:"message_count"`
UnreadCount int `json:"unread_count,omitempty"`
CreatedAt string `json:"created_at"`
UpdatedAt string `json:"updated_at"`
ID string `json:"id"`
UserID string `json:"user_id"`
Title string `json:"title"`
Type string `json:"type"`
AiMode string `json:"ai_mode,omitempty"`
Topic *string `json:"topic,omitempty"`
Description *string `json:"description"`
Model *string `json:"model"`
ProviderConfigID *string `json:"provider_config_id"`
SystemPrompt *string `json:"system_prompt"`
IsArchived bool `json:"is_archived"`
IsPinned bool `json:"is_pinned"`
Folder *string `json:"folder"`
FolderID *string `json:"folder_id,omitempty"`
ProjectID *string `json:"project_id,omitempty"`
WorkspaceID *string `json:"workspace_id,omitempty"`
Tags []string `json:"tags"`
Settings json.RawMessage `json:"settings,omitempty"`
MessageCount int `json:"message_count"`
UnreadCount int `json:"unread_count,omitempty"`
CreatedAt string `json:"created_at"`
UpdatedAt string `json:"updated_at"`
}
type paginatedResponse struct {
@@ -83,11 +81,13 @@ type paginatedResponse struct {
}
// ChannelHandler holds dependencies for channel endpoints.
type ChannelHandler struct{}
type ChannelHandler struct {
stores store.Stores
}
// NewChannelHandler creates a new channel handler.
func NewChannelHandler() *ChannelHandler {
return &ChannelHandler{}
func NewChannelHandler(stores store.Stores) *ChannelHandler {
return &ChannelHandler{stores: stores}
}
// channelDeleteHook is called after a channel is successfully deleted.
@@ -100,20 +100,6 @@ func SetChannelDeleteHook(fn func(channelID string)) {
channelDeleteHook = fn
}
// ── Tag Helpers ─────────────────────────────
// writeTagsArg returns a value suitable for inserting/updating the tags column.
// Postgres: pq.Array SQLite: JSON string
func writeTagsArg(tags []string) interface{} {
if database.IsSQLite() {
b, _ := json.Marshal(tags)
return string(b)
}
return pq.Array(tags)
}
// scanJSON, scanTags, SafeJSON → safe_json.go
// ── Helpers ─────────────────────────────────
// getUserID extracts the authenticated user's ID from context.
@@ -129,8 +115,7 @@ func isSessionAuth(c *gin.Context) bool {
}
// sessionCanAccessChannel validates that a session participant is authorized
// for the given channel. The AuthOrSession middleware already verifies this,
// but handlers call this as a defense-in-depth check.
// for the given channel.
func sessionCanAccessChannel(c *gin.Context, channelID string) bool {
if !isSessionAuth(c) {
return false
@@ -156,6 +141,38 @@ func parsePagination(c *gin.Context) (page, perPage, offset int) {
return
}
// listItemToResponse converts a store.ChannelListItem to a handler response.
func listItemToResponse(item store.ChannelListItem) channelResponse {
tags := item.Tags
if tags == nil {
tags = []string{}
}
return channelResponse{
ID: item.ID,
UserID: item.UserID,
Title: item.Title,
Type: item.Type,
AiMode: item.AiMode,
Topic: item.Topic,
Description: item.Description,
Model: item.Model,
ProviderConfigID: item.ProviderConfigID,
SystemPrompt: item.SystemPrompt,
IsArchived: item.IsArchived,
IsPinned: item.IsPinned,
Folder: item.Folder,
FolderID: item.FolderID,
ProjectID: item.ProjectID,
WorkspaceID: item.WorkspaceID,
Tags: tags,
Settings: item.Settings,
MessageCount: item.MessageCount,
UnreadCount: item.UnreadCount,
CreatedAt: item.CreatedAt,
UpdatedAt: item.UpdatedAt,
}
}
// ── List Channels ───────────────────────────
func (h *ChannelHandler) ListChannels(c *gin.Context) {
@@ -164,11 +181,7 @@ func (h *ChannelHandler) ListChannels(c *gin.Context) {
// Optional filters
archived := c.DefaultQuery("archived", "false")
folder := c.Query("folder")
folderID := c.Query("folder_id") // UUID — preferred over folder (text)
channelType := c.DefaultQuery("type", "") // empty = all types
// v0.23.1: multi-value type filter. Supports both ?types=dm&types=channel
// and comma-joined ?types=dm,channel
var channelTypes []string
if raw := c.Query("types"); raw != "" {
for _, t := range strings.Split(raw, ",") {
@@ -178,156 +191,31 @@ func (h *ChannelHandler) ListChannels(c *gin.Context) {
}
}
}
search := strings.TrimSpace(c.Query("search"))
projectFilter := c.Query("project_id") // "uuid" or "none"
// Count total — include channels owned by user OR where user is a participant
countQuery := `SELECT COUNT(*) FROM channels c WHERE (c.user_id = $1 OR c.id IN (
SELECT channel_id FROM channel_participants WHERE participant_type = 'user' AND participant_id = $1
)) AND c.is_archived = $2`
countArgs := []interface{}{userID, archived == "true"}
argN := 3
if len(channelTypes) > 0 {
placeholders := make([]string, len(channelTypes))
for i, t := range channelTypes {
placeholders[i] = "$" + strconv.Itoa(argN)
countArgs = append(countArgs, strings.TrimSpace(t))
argN++
if len(channelTypes) == 0 {
if ct := c.DefaultQuery("type", ""); ct != "" {
channelTypes = []string{ct}
}
countQuery += " AND c.type IN (" + strings.Join(placeholders, ",") + ")"
} else if channelType != "" {
countQuery += ` AND c.type = $` + strconv.Itoa(argN)
countArgs = append(countArgs, channelType)
argN++
}
if folder != "" {
countQuery += ` AND c.folder = $` + strconv.Itoa(argN)
countArgs = append(countArgs, folder)
argN++
}
if folderID != "" {
countQuery += ` AND c.folder_id = $` + strconv.Itoa(argN)
countArgs = append(countArgs, folderID)
argN++
}
if search != "" {
countQuery += ` AND c.title ILIKE $` + strconv.Itoa(argN)
countArgs = append(countArgs, "%"+search+"%")
argN++
}
if projectFilter == "none" {
countQuery += ` AND c.project_id IS NULL`
} else if projectFilter != "" {
countQuery += ` AND c.project_id = $` + strconv.Itoa(argN)
countArgs = append(countArgs, projectFilter)
argN++
}
var total int
if err := database.QueryRow(countQuery, countArgs...).Scan(&total); err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to count channels"})
return
filter := store.ChannelListFilter{
ListOptions: store.ListOptions{Limit: perPage, Offset: offset},
Archived: archived == "true",
Types: channelTypes,
Folder: c.Query("folder"),
FolderID: c.Query("folder_id"),
Search: strings.TrimSpace(c.Query("search")),
ProjectID: c.Query("project_id"),
}
// Fetch channels with message count
// Include channels owned by user OR where user is a participant (multi-user)
query := `
SELECT c.id, c.user_id, c.title, c.type, c.ai_mode, c.topic,
c.description, c.model, c.provider_config_id,
c.system_prompt, c.is_archived, c.is_pinned, c.folder, c.folder_id, c.project_id, c.workspace_id,
c.tags, c.settings,
COALESCE(mc.cnt, 0) AS message_count,
c.created_at, c.updated_at
FROM channels c
LEFT JOIN (
SELECT channel_id, COUNT(*) AS cnt FROM messages GROUP BY channel_id
) mc ON mc.channel_id = c.id
WHERE (c.user_id = $1 OR c.id IN (
SELECT channel_id FROM channel_participants WHERE participant_type = 'user' AND participant_id = $1
)) AND c.is_archived = $2`
args := []interface{}{userID, archived == "true"}
argN = 3
if len(channelTypes) > 0 {
placeholders := make([]string, len(channelTypes))
for i, t := range channelTypes {
placeholders[i] = "$" + strconv.Itoa(argN)
args = append(args, strings.TrimSpace(t))
argN++
}
query += " AND c.type IN (" + strings.Join(placeholders, ",") + ")"
} else if channelType != "" {
query += ` AND c.type = $` + strconv.Itoa(argN)
args = append(args, channelType)
argN++
}
if folder != "" {
query += ` AND c.folder = $` + strconv.Itoa(argN)
args = append(args, folder)
argN++
}
if folderID != "" {
query += ` AND c.folder_id = $` + strconv.Itoa(argN)
args = append(args, folderID)
argN++
}
if search != "" {
query += ` AND c.title ILIKE $` + strconv.Itoa(argN)
args = append(args, "%"+search+"%")
argN++
}
if projectFilter == "none" {
query += ` AND c.project_id IS NULL`
} else if projectFilter != "" {
query += ` AND c.project_id = $` + strconv.Itoa(argN)
args = append(args, projectFilter)
argN++
}
query += ` ORDER BY c.is_pinned DESC, c.updated_at DESC LIMIT $` + strconv.Itoa(argN) + ` OFFSET $` + strconv.Itoa(argN+1)
args = append(args, perPage, offset)
rows, err := database.Query(query, args...)
items, total, err := h.stores.Channels.ListFiltered(c.Request.Context(), userID, filter)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to list channels"})
return
}
defer rows.Close()
channels := make([]channelResponse, 0)
for rows.Next() {
var ch channelResponse
var tags []string
err := rows.Scan(
&ch.ID, &ch.UserID, &ch.Title, &ch.Type, &ch.AiMode, &ch.Topic,
&ch.Description, &ch.Model, &ch.ProviderConfigID,
&ch.SystemPrompt, &ch.IsArchived, &ch.IsPinned, &ch.Folder, &ch.FolderID, &ch.ProjectID, &ch.WorkspaceID,
scanTags(&tags), scanJSON(&ch.Settings),
&ch.MessageCount, &ch.CreatedAt, &ch.UpdatedAt,
)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to scan channel"})
return
}
if tags == nil {
tags = []string{}
}
ch.Tags = tags
channels = append(channels, ch)
}
rows.Close()
// v0.23.2: Compute unread counts per channel (safe post-processing)
for i := range channels {
_ = database.DB.QueryRowContext(c.Request.Context(), database.Q(`
SELECT COUNT(*) FROM messages m
JOIN channel_participants cp ON cp.channel_id = m.channel_id
WHERE cp.channel_id = $1
AND cp.participant_type = 'user' AND cp.participant_id = $2
AND m.created_at > cp.last_read_at
`), channels[i].ID, userID).Scan(&channels[i].UnreadCount)
channels := make([]channelResponse, 0, len(items))
for _, item := range items {
channels = append(channels, listItemToResponse(item))
}
SafeJSON(c, http.StatusOK, paginatedResponse{
@@ -370,6 +258,8 @@ func (h *ChannelHandler) CreateChannel(c *gin.Context) {
}
}
ctx := c.Request.Context()
// ── DM dedup: check for existing DM between these two users ──
if channelType == "dm" && len(req.Participants) == 1 {
otherUserID := req.Participants[0]
@@ -378,162 +268,54 @@ func (h *ChannelHandler) CreateChannel(c *gin.Context) {
return
}
// Look for an existing DM channel where both users are participants
var existingID string
_ = database.DB.QueryRow(database.Q(`
SELECT cp1.channel_id FROM channel_participants cp1
JOIN channel_participants cp2 ON cp1.channel_id = cp2.channel_id
JOIN channels c ON c.id = cp1.channel_id
WHERE c.type = 'dm'
AND cp1.participant_type = 'user' AND cp1.participant_id = $1
AND cp2.participant_type = 'user' AND cp2.participant_id = $2
LIMIT 1
`), userID, otherUserID).Scan(&existingID)
existingID, _ := h.stores.Channels.FindExistingDM(ctx, userID, otherUserID)
if existingID != "" {
// Return existing channel instead of creating duplicate
var ch channelResponse
var tags []string
err := database.DB.QueryRow(database.Q(`
SELECT id, user_id, title, type, ai_mode, topic,
description, model, provider_config_id,
system_prompt, is_archived, is_pinned, folder, folder_id, project_id, workspace_id,
tags, settings,
created_at, updated_at
FROM channels WHERE id = $1
`), existingID).Scan(
&ch.ID, &ch.UserID, &ch.Title, &ch.Type, &ch.AiMode, &ch.Topic,
&ch.Description, &ch.Model, &ch.ProviderConfigID,
&ch.SystemPrompt, &ch.IsArchived, &ch.IsPinned, &ch.Folder, &ch.FolderID, &ch.ProjectID, &ch.WorkspaceID,
scanTags(&tags), scanJSON(&ch.Settings), &ch.CreatedAt, &ch.UpdatedAt,
)
item, err := h.stores.Channels.GetForUser(ctx, existingID, userID)
if err == nil {
if tags == nil {
tags = []string{}
}
ch.Tags = tags
SafeJSON(c, http.StatusOK, ch) // 200, not 201 — existing resource
SafeJSON(c, http.StatusOK, listItemToResponse(*item)) // 200, not 201 — existing resource
return
}
// If read fails, fall through and create new (shouldn't happen)
}
}
// INSERT and retrieve the new row
var ch channelResponse
var tags []string
if database.IsSQLite() {
id := store.NewID()
_, err := database.DB.Exec(`
INSERT INTO channels (id, user_id, title, type, description, model,
system_prompt, provider_config_id, folder, folder_id, tags, ai_mode)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`,
id, userID, req.Title, channelType, req.Description, req.Model,
req.SystemPrompt, req.ProviderConfigID, req.Folder, req.FolderID, writeTagsArg(req.Tags), aiMode,
)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to create channel"})
return
}
// Read back the row
err = database.DB.QueryRow(`
SELECT id, user_id, title, type, ai_mode, topic,
description, model, provider_config_id,
system_prompt, is_archived, is_pinned, folder, folder_id, project_id, workspace_id,
tags, settings,
created_at, updated_at
FROM channels WHERE id = ?`, id).Scan(
&ch.ID, &ch.UserID, &ch.Title, &ch.Type, &ch.AiMode, &ch.Topic,
&ch.Description, &ch.Model, &ch.ProviderConfigID,
&ch.SystemPrompt, &ch.IsArchived, &ch.IsPinned, &ch.Folder, &ch.FolderID, &ch.ProjectID, &ch.WorkspaceID,
scanTags(&tags), scanJSON(&ch.Settings), &ch.CreatedAt, &ch.UpdatedAt,
)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to read created channel: " + err.Error()})
return
}
} else {
err := database.DB.QueryRow(`
INSERT INTO channels (user_id, title, type, description, model, system_prompt, provider_config_id, folder, folder_id, tags, ai_mode)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11)
RETURNING id, user_id, title, type, ai_mode, topic,
description, model, provider_config_id, system_prompt,
is_archived, is_pinned, folder, folder_id, project_id, workspace_id, tags, settings, created_at, updated_at
`, userID, req.Title, channelType, req.Description, req.Model, req.SystemPrompt, req.ProviderConfigID,
req.Folder, req.FolderID, pq.Array(req.Tags), aiMode,
).Scan(
&ch.ID, &ch.UserID, &ch.Title, &ch.Type, &ch.AiMode, &ch.Topic,
&ch.Description, &ch.Model, &ch.ProviderConfigID,
&ch.SystemPrompt, &ch.IsArchived, &ch.IsPinned, &ch.Folder, &ch.FolderID, &ch.ProjectID, &ch.WorkspaceID,
pq.Array(&tags), scanJSON(&ch.Settings), &ch.CreatedAt, &ch.UpdatedAt,
)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to create channel"})
return
}
// Build channel model
ch := &models.Channel{
UserID: userID,
Title: req.Title,
Type: channelType,
Description: req.Description,
Model: req.Model,
SystemPrompt: req.SystemPrompt,
ProviderConfigID: req.ProviderConfigID,
FolderID: req.FolderID,
}
if tags == nil {
tags = []string{}
}
ch.Tags = tags
ch.MessageCount = 0
// Auto-create channel_participant for the creator
if database.IsSQLite() {
_, _ = database.DB.Exec(`
INSERT INTO channel_participants (id, channel_id, participant_type, participant_id, role)
VALUES (?, ?, 'user', ?, 'owner')
ON CONFLICT DO NOTHING
`, store.NewID(), ch.ID, userID)
} else {
_, _ = database.DB.Exec(`
INSERT INTO channel_participants (channel_id, participant_type, participant_id, role)
VALUES ($1, 'user', $2, 'owner')
ON CONFLICT DO NOTHING
`, ch.ID, userID)
dmPartners := []string{}
if channelType == "dm" {
dmPartners = req.Participants
}
// v0.23.2: Add DM partner as member participant
if channelType == "dm" && len(req.Participants) > 0 {
for _, pid := range req.Participants {
if pid == userID {
continue // skip self (already added as owner)
}
if database.IsSQLite() {
_, _ = database.DB.Exec(`
INSERT INTO channel_participants (id, channel_id, participant_type, participant_id, role)
VALUES (?, ?, 'user', ?, 'member')
ON CONFLICT DO NOTHING
`, store.NewID(), ch.ID, pid)
} else {
_, _ = database.DB.Exec(`
INSERT INTO channel_participants (channel_id, participant_type, participant_id, role)
VALUES ($1, 'user', $2, 'member')
ON CONFLICT DO NOTHING
`, ch.ID, pid)
}
}
defaultConfigID := ""
if req.ProviderConfigID != nil {
defaultConfigID = *req.ProviderConfigID
}
// Auto-create channel_model if model specified
if req.Model != "" {
if database.IsSQLite() {
_, _ = database.DB.Exec(`
INSERT INTO channel_models (id, channel_id, model_id, provider_config_id, is_default)
VALUES (?, ?, ?, ?, 1)
ON CONFLICT DO NOTHING
`, store.NewID(), ch.ID, req.Model, req.ProviderConfigID)
} else {
_, _ = database.DB.Exec(`
INSERT INTO channel_models (channel_id, model_id, provider_config_id, is_default)
VALUES ($1, $2, $3, true)
ON CONFLICT DO NOTHING
`, ch.ID, req.Model, req.ProviderConfigID)
}
if err := h.stores.Channels.CreateFull(ctx, ch, req.Folder, req.Tags, aiMode,
userID, dmPartners, req.Model, defaultConfigID); err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to create channel"})
return
}
SafeJSON(c, http.StatusCreated, ch)
// Fetch full response with message count
item, err := h.stores.Channels.GetForUser(ctx, ch.ID, userID)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to read created channel"})
return
}
SafeJSON(c, http.StatusCreated, listItemToResponse(*item))
}
// ── Get Channel ─────────────────────────────
@@ -542,45 +324,13 @@ func (h *ChannelHandler) GetChannel(c *gin.Context) {
userID := getUserID(c)
channelID := c.Param("id")
var ch channelResponse
var tags []string
err := database.DB.QueryRow(database.Q(`
SELECT c.id, c.user_id, c.title, c.type, c.ai_mode, c.topic,
c.description, c.model, c.provider_config_id,
c.system_prompt, c.is_archived, c.is_pinned, c.folder, c.folder_id, c.project_id, c.workspace_id,
c.tags, c.settings,
COALESCE(mc.cnt, 0) AS message_count,
c.created_at, c.updated_at
FROM channels c
LEFT JOIN (
SELECT channel_id, COUNT(*) AS cnt FROM messages GROUP BY channel_id
) mc ON mc.channel_id = c.id
WHERE c.id = $1 AND (c.user_id = $2 OR c.id IN (
SELECT channel_id FROM channel_participants WHERE participant_type = 'user' AND participant_id = $2
))
`), channelID, userID).Scan(
&ch.ID, &ch.UserID, &ch.Title, &ch.Type, &ch.AiMode, &ch.Topic,
&ch.Description, &ch.Model, &ch.ProviderConfigID,
&ch.SystemPrompt, &ch.IsArchived, &ch.IsPinned, &ch.Folder, &ch.FolderID, &ch.ProjectID, &ch.WorkspaceID,
scanTags(&tags), scanJSON(&ch.Settings),
&ch.MessageCount, &ch.CreatedAt, &ch.UpdatedAt,
)
if err == sql.ErrNoRows {
item, err := h.stores.Channels.GetForUser(c.Request.Context(), channelID, userID)
if err != nil {
c.JSON(http.StatusNotFound, gin.H{"error": "channel not found"})
return
}
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to get channel"})
return
}
if tags == nil {
tags = []string{}
}
ch.Tags = tags
SafeJSON(c, http.StatusOK, ch)
SafeJSON(c, http.StatusOK, listItemToResponse(*item))
}
// ── Update Channel ──────────────────────────
@@ -588,11 +338,7 @@ func (h *ChannelHandler) GetChannel(c *gin.Context) {
func (h *ChannelHandler) UpdateChannel(c *gin.Context) {
userID := getUserID(c)
channelID := c.Param("id")
if database.DB == nil {
c.JSON(http.StatusServiceUnavailable, gin.H{"error": "database unavailable"})
return
}
ctx := c.Request.Context()
var req updateChannelRequest
if err := c.ShouldBindJSON(&req); err != nil {
@@ -601,79 +347,62 @@ func (h *ChannelHandler) UpdateChannel(c *gin.Context) {
}
// Verify ownership
var ownerID string
err := database.DB.QueryRow(database.Q(`SELECT user_id FROM channels WHERE id = $1`), channelID).Scan(&ownerID)
if err == sql.ErrNoRows {
owns, err := h.stores.Channels.UserOwns(ctx, channelID, userID)
if err != nil {
c.JSON(http.StatusNotFound, gin.H{"error": "channel not found"})
return
}
if ownerID != userID {
if !owns {
c.JSON(http.StatusForbidden, gin.H{"error": "not your channel"})
return
}
// Build dynamic UPDATE with ? placeholders (converted for Postgres)
setClauses := []string{}
args := []interface{}{}
addClause := func(col string, val interface{}) {
setClauses = append(setClauses, col+" = ?")
args = append(args, val)
}
// Build fields map for store.Update
fields := map[string]interface{}{}
if req.Title != nil {
addClause("title", *req.Title)
fields["title"] = *req.Title
}
if req.Description != nil {
addClause("description", *req.Description)
fields["description"] = *req.Description
}
if req.Model != nil {
addClause("model", *req.Model)
fields["model"] = *req.Model
}
if req.SystemPrompt != nil {
addClause("system_prompt", *req.SystemPrompt)
fields["system_prompt"] = *req.SystemPrompt
}
if req.ProviderConfigID != nil {
addClause("provider_config_id", *req.ProviderConfigID)
if *req.ProviderConfigID == "" {
fields["provider_config_id"] = nil
} else {
fields["provider_config_id"] = *req.ProviderConfigID
}
}
if req.IsArchived != nil {
addClause("is_archived", *req.IsArchived)
fields["is_archived"] = *req.IsArchived
}
if req.IsPinned != nil {
addClause("is_pinned", *req.IsPinned)
fields["is_pinned"] = *req.IsPinned
}
if req.Folder != nil {
addClause("folder", *req.Folder)
fields["folder"] = *req.Folder
}
if req.FolderID != nil {
if *req.FolderID == "" {
addClause("folder_id", nil) // unbind from folder
fields["folder_id"] = nil // unbind from folder
} else {
addClause("folder_id", *req.FolderID)
fields["folder_id"] = *req.FolderID
}
}
if req.Tags != nil {
addClause("tags", writeTagsArg(req.Tags))
}
if req.Settings != nil {
// Validate settings is well-formed JSON before writing
if !json.Valid([]byte(*req.Settings)) {
c.JSON(http.StatusBadRequest, gin.H{"error": "settings must be valid JSON"})
return
}
// JSONB merge: new settings keys overwrite existing, unmentioned keys preserved
if database.IsSQLite() {
setClauses = append(setClauses, "settings = json_patch(settings, ?)")
} else {
setClauses = append(setClauses, "settings = COALESCE(settings, '{}'::jsonb) || ?::jsonb")
}
args = append(args, []byte(*req.Settings))
fields["tags"] = req.Tags
}
if req.WorkspaceID != nil {
if *req.WorkspaceID == "" {
addClause("workspace_id", nil) // unbind
fields["workspace_id"] = nil // unbind
} else {
addClause("workspace_id", *req.WorkspaceID)
fields["workspace_id"] = *req.WorkspaceID
}
}
if req.AiMode != nil {
@@ -682,29 +411,39 @@ func (h *ChannelHandler) UpdateChannel(c *gin.Context) {
c.JSON(http.StatusBadRequest, gin.H{"error": "ai_mode must be auto, mention_only, or off"})
return
}
addClause("ai_mode", mode)
fields["ai_mode"] = mode
}
if req.Topic != nil {
addClause("topic", *req.Topic)
fields["topic"] = *req.Topic
}
if len(setClauses) == 0 {
hasFields := len(fields) > 0
hasSettings := req.Settings != nil
if !hasFields && !hasSettings {
c.JSON(http.StatusBadRequest, gin.H{"error": "no fields to update"})
return
}
query := "UPDATE channels SET " + strings.Join(setClauses, ", ")
query += " WHERE id = ? AND user_id = ?"
args = append(args, channelID, userID)
if !database.IsSQLite() {
query = convertPlaceholders(query)
if hasSettings {
if !json.Valid([]byte(*req.Settings)) {
c.JSON(http.StatusBadRequest, gin.H{"error": "settings must be valid JSON"})
return
}
}
_, err = database.DB.Exec(query, args...)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to update channel"})
return
if hasFields {
if err := h.stores.Channels.Update(ctx, channelID, fields); err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to update channel"})
return
}
}
if hasSettings {
if err := h.stores.Channels.MergeSettings(ctx, channelID, json.RawMessage(*req.Settings)); err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to update settings"})
return
}
}
// Return updated channel
@@ -717,17 +456,12 @@ func (h *ChannelHandler) DeleteChannel(c *gin.Context) {
userID := getUserID(c)
channelID := c.Param("id")
result, err := database.DB.Exec(
database.Q(`DELETE FROM channels WHERE id = $1 AND user_id = $2`),
channelID, userID,
)
n, err := h.stores.Channels.DeleteByOwner(c.Request.Context(), channelID, userID)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to delete channel"})
return
}
rows, _ := result.RowsAffected()
if rows == 0 {
if n == 0 {
c.JSON(http.StatusNotFound, gin.H{"error": "channel not found"})
return
}
@@ -746,30 +480,9 @@ func (h *ChannelHandler) MarkRead(c *gin.Context) {
userID := getUserID(c)
channelID := c.Param("id")
// Update the read cursor timestamp (last_read_at exists since migration 005)
_, err := database.DB.ExecContext(c.Request.Context(), database.Q(`
UPDATE channel_participants
SET last_read_at = NOW()
WHERE channel_id = $1 AND participant_type = 'user' AND participant_id = $2
`), channelID, userID)
err := h.stores.Channels.MarkRead(c.Request.Context(), channelID, userID)
if err != nil {
// Participant row may not exist for legacy direct chats — that's OK
c.JSON(http.StatusOK, gin.H{"ok": true})
return
}
// Best-effort: also set last_read_message_id if the column exists (migration 017)
var latestMsgID *string
_ = database.DB.QueryRowContext(c.Request.Context(), database.Q(`
SELECT id FROM messages WHERE channel_id = $1 ORDER BY created_at DESC LIMIT 1
`), channelID).Scan(&latestMsgID)
if latestMsgID != nil {
// This may fail if 017 hasn't been applied — that's fine, last_read_at is primary
_, _ = database.DB.ExecContext(c.Request.Context(), database.Q(`
UPDATE channel_participants
SET last_read_message_id = $1
WHERE channel_id = $2 AND participant_type = 'user' AND participant_id = $3
`), *latestMsgID, channelID, userID)
}
c.JSON(http.StatusOK, gin.H{"ok": true})