777 lines
26 KiB
Go
777 lines
26 KiB
Go
package handlers
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import (
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"database/sql"
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"encoding/json"
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"math"
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"net/http"
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"strconv"
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"strings"
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"github.com/gin-gonic/gin"
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"github.com/lib/pq"
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"git.gobha.me/xcaliber/chat-switchboard/database"
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"git.gobha.me/xcaliber/chat-switchboard/store"
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)
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// ── Request / Response types ────────────────
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type createChannelRequest struct {
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Title string `json:"title" binding:"required,max=500"`
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Type string `json:"type,omitempty"` // direct (default), dm, group, channel, workflow
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Description string `json:"description,omitempty"`
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Model string `json:"model,omitempty"`
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SystemPrompt string `json:"system_prompt,omitempty"`
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ProviderConfigID *string `json:"provider_config_id,omitempty"`
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Folder string `json:"folder,omitempty"`
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FolderID *string `json:"folder_id,omitempty"`
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Tags []string `json:"tags,omitempty"`
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// v0.23.2: DM creation
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Participants []string `json:"participants,omitempty"` // user IDs for DM (exactly 1 other user)
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AiMode string `json:"ai_mode,omitempty"` // auto (default), mention_only, off
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}
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type updateChannelRequest struct {
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Title *string `json:"title,omitempty"`
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Description *string `json:"description,omitempty"`
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Model *string `json:"model,omitempty"`
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SystemPrompt *string `json:"system_prompt,omitempty"`
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ProviderConfigID *string `json:"provider_config_id,omitempty"`
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IsArchived *bool `json:"is_archived,omitempty"`
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IsPinned *bool `json:"is_pinned,omitempty"`
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Folder *string `json:"folder,omitempty"`
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FolderID *string `json:"folder_id,omitempty"`
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Tags []string `json:"tags,omitempty"`
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Settings *json.RawMessage `json:"settings,omitempty"` // JSONB merge into existing settings
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WorkspaceID *string `json:"workspace_id,omitempty"` // bind workspace (v0.21.5)
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AiMode *string `json:"ai_mode,omitempty"` // v0.23.2: auto, mention_only, off
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Topic *string `json:"topic,omitempty"` // v0.23.2: channel topic
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}
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type channelResponse struct {
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ID string `json:"id"`
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UserID string `json:"user_id"`
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Title string `json:"title"`
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Type string `json:"type"`
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AiMode string `json:"ai_mode,omitempty"`
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Topic *string `json:"topic,omitempty"`
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Description *string `json:"description"`
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Model *string `json:"model"`
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ProviderConfigID *string `json:"provider_config_id"`
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SystemPrompt *string `json:"system_prompt"`
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IsArchived bool `json:"is_archived"`
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IsPinned bool `json:"is_pinned"`
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Folder *string `json:"folder"`
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FolderID *string `json:"folder_id,omitempty"`
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ProjectID *string `json:"project_id,omitempty"`
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WorkspaceID *string `json:"workspace_id,omitempty"`
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Tags []string `json:"tags"`
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Settings json.RawMessage `json:"settings,omitempty"`
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MessageCount int `json:"message_count"`
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UnreadCount int `json:"unread_count,omitempty"`
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CreatedAt string `json:"created_at"`
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UpdatedAt string `json:"updated_at"`
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}
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type paginatedResponse struct {
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Data interface{} `json:"data"`
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Page int `json:"page"`
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PerPage int `json:"per_page"`
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Total int `json:"total"`
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TotalPages int `json:"total_pages"`
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}
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// ChannelHandler holds dependencies for channel endpoints.
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type ChannelHandler struct{}
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// NewChannelHandler creates a new channel handler.
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func NewChannelHandler() *ChannelHandler {
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return &ChannelHandler{}
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}
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// channelDeleteHook is called after a channel is successfully deleted.
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// Set at startup by SetChannelDeleteHook to clean up storage files.
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var channelDeleteHook func(channelID string)
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// SetChannelDeleteHook registers a callback invoked after channel deletion.
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// Used to clean up channel files on the storage backend.
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func SetChannelDeleteHook(fn func(channelID string)) {
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channelDeleteHook = fn
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}
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// ── Tag Helpers ─────────────────────────────
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// writeTagsArg returns a value suitable for inserting/updating the tags column.
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// Postgres: pq.Array SQLite: JSON string
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func writeTagsArg(tags []string) interface{} {
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if database.IsSQLite() {
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b, _ := json.Marshal(tags)
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return string(b)
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}
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return pq.Array(tags)
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}
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// scanJSON, scanTags, SafeJSON → safe_json.go
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// ── Helpers ─────────────────────────────────
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// getUserID extracts the authenticated user's ID from context.
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func getUserID(c *gin.Context) string {
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uid, _ := c.Get("user_id")
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s, _ := uid.(string)
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return s
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}
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// isSessionAuth returns true if the request is from a session participant (v0.24.3).
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func isSessionAuth(c *gin.Context) bool {
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return c.GetString("auth_type") == "session"
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}
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// sessionCanAccessChannel validates that a session participant is authorized
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// for the given channel. The AuthOrSession middleware already verifies this,
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// but handlers call this as a defense-in-depth check.
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func sessionCanAccessChannel(c *gin.Context, channelID string) bool {
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if !isSessionAuth(c) {
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return false
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}
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return c.GetString("channel_id") == channelID
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}
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// parsePagination reads page and per_page from query params with defaults.
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func parsePagination(c *gin.Context) (page, perPage, offset int) {
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page, _ = strconv.Atoi(c.DefaultQuery("page", "1"))
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perPage, _ = strconv.Atoi(c.DefaultQuery("per_page", "50"))
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if page < 1 {
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page = 1
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}
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if perPage < 1 {
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perPage = 50
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}
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if perPage > 100 {
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perPage = 100
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}
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offset = (page - 1) * perPage
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return
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}
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// ── List Channels ───────────────────────────
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func (h *ChannelHandler) ListChannels(c *gin.Context) {
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userID := getUserID(c)
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page, perPage, offset := parsePagination(c)
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// Optional filters
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archived := c.DefaultQuery("archived", "false")
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folder := c.Query("folder")
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folderID := c.Query("folder_id") // UUID — preferred over folder (text)
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channelType := c.DefaultQuery("type", "") // empty = all types
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// v0.23.1: multi-value type filter. Supports both ?types=dm&types=channel
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// and comma-joined ?types=dm,channel
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var channelTypes []string
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if raw := c.Query("types"); raw != "" {
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for _, t := range strings.Split(raw, ",") {
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t = strings.TrimSpace(t)
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if t != "" {
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channelTypes = append(channelTypes, t)
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}
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}
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}
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search := strings.TrimSpace(c.Query("search"))
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projectFilter := c.Query("project_id") // "uuid" or "none"
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// Count total — include channels owned by user OR where user is a participant
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countQuery := `SELECT COUNT(*) FROM channels c WHERE (c.user_id = $1 OR c.id IN (
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SELECT channel_id FROM channel_participants WHERE participant_type = 'user' AND participant_id = $1
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)) AND c.is_archived = $2`
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countArgs := []interface{}{userID, archived == "true"}
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argN := 3
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if len(channelTypes) > 0 {
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placeholders := make([]string, len(channelTypes))
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for i, t := range channelTypes {
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placeholders[i] = "$" + strconv.Itoa(argN)
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countArgs = append(countArgs, strings.TrimSpace(t))
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argN++
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}
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countQuery += " AND c.type IN (" + strings.Join(placeholders, ",") + ")"
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} else if channelType != "" {
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countQuery += ` AND c.type = $` + strconv.Itoa(argN)
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countArgs = append(countArgs, channelType)
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argN++
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}
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if folder != "" {
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countQuery += ` AND c.folder = $` + strconv.Itoa(argN)
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countArgs = append(countArgs, folder)
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argN++
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}
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if folderID != "" {
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countQuery += ` AND c.folder_id = $` + strconv.Itoa(argN)
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countArgs = append(countArgs, folderID)
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argN++
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}
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if search != "" {
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countQuery += ` AND c.title ILIKE $` + strconv.Itoa(argN)
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countArgs = append(countArgs, "%"+search+"%")
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argN++
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}
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if projectFilter == "none" {
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countQuery += ` AND c.project_id IS NULL`
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} else if projectFilter != "" {
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countQuery += ` AND c.project_id = $` + strconv.Itoa(argN)
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countArgs = append(countArgs, projectFilter)
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argN++
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}
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var total int
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if err := database.QueryRow(countQuery, countArgs...).Scan(&total); err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to count channels"})
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return
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}
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// Fetch channels with message count
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// Include channels owned by user OR where user is a participant (multi-user)
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query := `
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SELECT c.id, c.user_id, c.title, c.type, c.ai_mode, c.topic,
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c.description, c.model, c.provider_config_id,
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c.system_prompt, c.is_archived, c.is_pinned, c.folder, c.folder_id, c.project_id, c.workspace_id,
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c.tags, c.settings,
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COALESCE(mc.cnt, 0) AS message_count,
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c.created_at, c.updated_at
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FROM channels c
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LEFT JOIN (
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SELECT channel_id, COUNT(*) AS cnt FROM messages GROUP BY channel_id
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) mc ON mc.channel_id = c.id
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WHERE (c.user_id = $1 OR c.id IN (
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SELECT channel_id FROM channel_participants WHERE participant_type = 'user' AND participant_id = $1
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)) AND c.is_archived = $2`
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args := []interface{}{userID, archived == "true"}
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argN = 3
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if len(channelTypes) > 0 {
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placeholders := make([]string, len(channelTypes))
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for i, t := range channelTypes {
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placeholders[i] = "$" + strconv.Itoa(argN)
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args = append(args, strings.TrimSpace(t))
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argN++
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}
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query += " AND c.type IN (" + strings.Join(placeholders, ",") + ")"
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} else if channelType != "" {
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query += ` AND c.type = $` + strconv.Itoa(argN)
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args = append(args, channelType)
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argN++
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}
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if folder != "" {
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query += ` AND c.folder = $` + strconv.Itoa(argN)
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args = append(args, folder)
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argN++
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}
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if folderID != "" {
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query += ` AND c.folder_id = $` + strconv.Itoa(argN)
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args = append(args, folderID)
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argN++
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}
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if search != "" {
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query += ` AND c.title ILIKE $` + strconv.Itoa(argN)
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args = append(args, "%"+search+"%")
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argN++
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}
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if projectFilter == "none" {
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query += ` AND c.project_id IS NULL`
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} else if projectFilter != "" {
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query += ` AND c.project_id = $` + strconv.Itoa(argN)
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args = append(args, projectFilter)
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argN++
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}
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query += ` ORDER BY c.is_pinned DESC, c.updated_at DESC LIMIT $` + strconv.Itoa(argN) + ` OFFSET $` + strconv.Itoa(argN+1)
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args = append(args, perPage, offset)
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rows, err := database.Query(query, args...)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to list channels"})
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return
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}
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defer rows.Close()
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channels := make([]channelResponse, 0)
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for rows.Next() {
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var ch channelResponse
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var tags []string
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err := rows.Scan(
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&ch.ID, &ch.UserID, &ch.Title, &ch.Type, &ch.AiMode, &ch.Topic,
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&ch.Description, &ch.Model, &ch.ProviderConfigID,
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&ch.SystemPrompt, &ch.IsArchived, &ch.IsPinned, &ch.Folder, &ch.FolderID, &ch.ProjectID, &ch.WorkspaceID,
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scanTags(&tags), scanJSON(&ch.Settings),
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&ch.MessageCount, &ch.CreatedAt, &ch.UpdatedAt,
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)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to scan channel"})
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return
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}
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if tags == nil {
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tags = []string{}
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}
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ch.Tags = tags
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channels = append(channels, ch)
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}
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rows.Close()
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// v0.23.2: Compute unread counts per channel (safe post-processing)
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for i := range channels {
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_ = database.DB.QueryRowContext(c.Request.Context(), database.Q(`
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SELECT COUNT(*) FROM messages m
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JOIN channel_participants cp ON cp.channel_id = m.channel_id
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WHERE cp.channel_id = $1
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AND cp.participant_type = 'user' AND cp.participant_id = $2
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AND m.created_at > cp.last_read_at
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`), channels[i].ID, userID).Scan(&channels[i].UnreadCount)
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}
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SafeJSON(c, http.StatusOK, paginatedResponse{
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Data: channels,
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Page: page,
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PerPage: perPage,
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Total: total,
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TotalPages: int(math.Ceil(float64(total) / float64(perPage))),
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})
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}
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// ── Create Channel ──────────────────────────
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func (h *ChannelHandler) CreateChannel(c *gin.Context) {
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userID := getUserID(c)
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var req createChannelRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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if req.Tags == nil {
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req.Tags = []string{}
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}
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// Default type is "direct" (1:1 AI chat)
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channelType := req.Type
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if channelType == "" {
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channelType = "direct"
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}
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// Default ai_mode: mention_only for DMs, auto for everything else
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aiMode := req.AiMode
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if aiMode == "" {
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if channelType == "dm" {
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aiMode = "mention_only"
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} else {
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aiMode = "auto"
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}
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}
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// ── DM dedup: check for existing DM between these two users ──
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if channelType == "dm" && len(req.Participants) == 1 {
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otherUserID := req.Participants[0]
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if otherUserID == userID {
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c.JSON(http.StatusBadRequest, gin.H{"error": "cannot create DM with yourself"})
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return
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}
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// Look for an existing DM channel where both users are participants
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var existingID string
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_ = database.DB.QueryRow(database.Q(`
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SELECT cp1.channel_id FROM channel_participants cp1
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JOIN channel_participants cp2 ON cp1.channel_id = cp2.channel_id
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JOIN channels c ON c.id = cp1.channel_id
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WHERE c.type = 'dm'
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AND cp1.participant_type = 'user' AND cp1.participant_id = $1
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AND cp2.participant_type = 'user' AND cp2.participant_id = $2
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LIMIT 1
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`), userID, otherUserID).Scan(&existingID)
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if existingID != "" {
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// Return existing channel instead of creating duplicate
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var ch channelResponse
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var tags []string
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err := database.DB.QueryRow(database.Q(`
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SELECT id, user_id, title, type, ai_mode, topic,
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description, model, provider_config_id,
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system_prompt, is_archived, is_pinned, folder, folder_id, project_id, workspace_id,
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tags, settings,
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created_at, updated_at
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FROM channels WHERE id = $1
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`), existingID).Scan(
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&ch.ID, &ch.UserID, &ch.Title, &ch.Type, &ch.AiMode, &ch.Topic,
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&ch.Description, &ch.Model, &ch.ProviderConfigID,
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&ch.SystemPrompt, &ch.IsArchived, &ch.IsPinned, &ch.Folder, &ch.FolderID, &ch.ProjectID, &ch.WorkspaceID,
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scanTags(&tags), scanJSON(&ch.Settings), &ch.CreatedAt, &ch.UpdatedAt,
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)
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if err == nil {
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if tags == nil {
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tags = []string{}
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}
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ch.Tags = tags
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SafeJSON(c, http.StatusOK, ch) // 200, not 201 — existing resource
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return
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}
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// If read fails, fall through and create new (shouldn't happen)
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}
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}
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// INSERT and retrieve the new row
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var ch channelResponse
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var tags []string
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if database.IsSQLite() {
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id := store.NewID()
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_, err := database.DB.Exec(`
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INSERT INTO channels (id, user_id, title, type, description, model,
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system_prompt, provider_config_id, folder, folder_id, tags, ai_mode)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`,
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id, userID, req.Title, channelType, req.Description, req.Model,
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req.SystemPrompt, req.ProviderConfigID, req.Folder, req.FolderID, writeTagsArg(req.Tags), aiMode,
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)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to create channel"})
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return
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}
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// Read back the row
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err = database.DB.QueryRow(`
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SELECT id, user_id, title, type, ai_mode, topic,
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description, model, provider_config_id,
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system_prompt, is_archived, is_pinned, folder, folder_id, project_id, workspace_id,
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tags, settings,
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created_at, updated_at
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FROM channels WHERE id = ?`, id).Scan(
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&ch.ID, &ch.UserID, &ch.Title, &ch.Type, &ch.AiMode, &ch.Topic,
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&ch.Description, &ch.Model, &ch.ProviderConfigID,
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&ch.SystemPrompt, &ch.IsArchived, &ch.IsPinned, &ch.Folder, &ch.FolderID, &ch.ProjectID, &ch.WorkspaceID,
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scanTags(&tags), scanJSON(&ch.Settings), &ch.CreatedAt, &ch.UpdatedAt,
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)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to read created channel: " + err.Error()})
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return
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}
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} else {
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err := database.DB.QueryRow(`
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INSERT INTO channels (user_id, title, type, description, model, system_prompt, provider_config_id, folder, folder_id, tags, ai_mode)
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VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11)
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RETURNING id, user_id, title, type, ai_mode, topic,
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description, model, provider_config_id, system_prompt,
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is_archived, is_pinned, folder, folder_id, project_id, workspace_id, tags, settings, created_at, updated_at
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`, userID, req.Title, channelType, req.Description, req.Model, req.SystemPrompt, req.ProviderConfigID,
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req.Folder, req.FolderID, pq.Array(req.Tags), aiMode,
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).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
|
|
}
|
|
}
|
|
|
|
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)
|
|
}
|
|
|
|
// 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)
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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)
|
|
}
|
|
}
|
|
|
|
SafeJSON(c, http.StatusCreated, ch)
|
|
}
|
|
|
|
// ── Get Channel ─────────────────────────────
|
|
|
|
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 {
|
|
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)
|
|
}
|
|
|
|
// ── Update Channel ──────────────────────────
|
|
|
|
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
|
|
}
|
|
|
|
var req updateChannelRequest
|
|
if err := c.ShouldBindJSON(&req); err != nil {
|
|
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
|
|
return
|
|
}
|
|
|
|
// 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 {
|
|
c.JSON(http.StatusNotFound, gin.H{"error": "channel not found"})
|
|
return
|
|
}
|
|
if ownerID != userID {
|
|
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)
|
|
}
|
|
|
|
if req.Title != nil {
|
|
addClause("title", *req.Title)
|
|
}
|
|
if req.Description != nil {
|
|
addClause("description", *req.Description)
|
|
}
|
|
if req.Model != nil {
|
|
addClause("model", *req.Model)
|
|
}
|
|
if req.SystemPrompt != nil {
|
|
addClause("system_prompt", *req.SystemPrompt)
|
|
}
|
|
if req.ProviderConfigID != nil {
|
|
addClause("provider_config_id", *req.ProviderConfigID)
|
|
}
|
|
if req.IsArchived != nil {
|
|
addClause("is_archived", *req.IsArchived)
|
|
}
|
|
if req.IsPinned != nil {
|
|
addClause("is_pinned", *req.IsPinned)
|
|
}
|
|
if req.Folder != nil {
|
|
addClause("folder", *req.Folder)
|
|
}
|
|
if req.FolderID != nil {
|
|
if *req.FolderID == "" {
|
|
addClause("folder_id", nil) // unbind from folder
|
|
} else {
|
|
addClause("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))
|
|
}
|
|
if req.WorkspaceID != nil {
|
|
if *req.WorkspaceID == "" {
|
|
addClause("workspace_id", nil) // unbind
|
|
} else {
|
|
addClause("workspace_id", *req.WorkspaceID)
|
|
}
|
|
}
|
|
if req.AiMode != nil {
|
|
mode := *req.AiMode
|
|
if mode != "auto" && mode != "mention_only" && mode != "off" {
|
|
c.JSON(http.StatusBadRequest, gin.H{"error": "ai_mode must be auto, mention_only, or off"})
|
|
return
|
|
}
|
|
addClause("ai_mode", mode)
|
|
}
|
|
if req.Topic != nil {
|
|
addClause("topic", *req.Topic)
|
|
}
|
|
|
|
if len(setClauses) == 0 {
|
|
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)
|
|
}
|
|
|
|
_, err = database.DB.Exec(query, args...)
|
|
if err != nil {
|
|
c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to update channel"})
|
|
return
|
|
}
|
|
|
|
// Return updated channel
|
|
h.GetChannel(c)
|
|
}
|
|
|
|
// ── Delete Channel ──────────────────────────
|
|
|
|
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,
|
|
)
|
|
if err != nil {
|
|
c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to delete channel"})
|
|
return
|
|
}
|
|
|
|
rows, _ := result.RowsAffected()
|
|
if rows == 0 {
|
|
c.JSON(http.StatusNotFound, gin.H{"error": "channel not found"})
|
|
return
|
|
}
|
|
|
|
// Clean up storage files (CASCADE already removed PG file rows)
|
|
if channelDeleteHook != nil {
|
|
go channelDeleteHook(channelID)
|
|
}
|
|
|
|
c.JSON(http.StatusOK, gin.H{"message": "channel deleted"})
|
|
}
|
|
|
|
// ── Mark Read (v0.23.2) ───────────────────────
|
|
|
|
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)
|
|
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})
|
|
}
|