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feat: add post mention

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Krispire Admin
2026-06-10 16:28:57 +05:30
parent d86d876ac1
commit cb62adf2de
11 changed files with 472 additions and 34 deletions
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internal/handler/social.go
+103 -24
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@@ -59,10 +59,11 @@ func (h *PostHandler) Report(w http.ResponseWriter, r *http.Request) {
}
type createPostReq struct {
Caption string `json:"caption"`
SourceURL string `json:"source_url"`
SourceTitle string `json:"source_title"`
ImageURLs []string `json:"image_urls"`
Caption string `json:"caption"`
SourceURL string `json:"source_url"`
SourceTitle string `json:"source_title"`
ImageURLs []string `json:"image_urls"`
MentionUserIDs []string `json:"mention_user_ids"`
}
func (h *PostHandler) Create(w http.ResponseWriter, r *http.Request) {
@@ -79,7 +80,7 @@ func (h *PostHandler) Create(w http.ResponseWriter, r *http.Request) {
response.Error(w, http.StatusBadRequest, v.Error())
return
}
p, err := h.svc.Create(r.Context(), uid, req.Caption, req.SourceURL, req.SourceTitle, req.ImageURLs)
p, err := h.svc.Create(r.Context(), uid, req.Caption, req.SourceURL, req.SourceTitle, req.ImageURLs, req.MentionUserIDs)
if err != nil {
mapSocialErr(w, err)
return
@@ -87,6 +88,60 @@ func (h *PostHandler) Create(w http.ResponseWriter, r *http.Request) {
response.JSON(w, http.StatusCreated, p)
}
// MentionSuggest — GET /posts/mention-suggest?q=&limit=&offset=. Prioritised
// user suggestions for the composer (following → followers → others).
func (h *PostHandler) MentionSuggest(w http.ResponseWriter, r *http.Request) {
uid := middleware.UserID(r.Context())
limit, offset := parseLimitOffset(r)
q := strings.TrimSpace(r.URL.Query().Get("q"))
users, err := h.svc.SuggestMentions(r.Context(), uid, q, limit, offset)
if err != nil {
mapSocialErr(w, err)
return
}
if users == nil {
users = []model.UserSummary{}
}
response.JSON(w, http.StatusOK, users)
}
// ListMentions — GET /posts/{id}/mentions. The users tagged on a post. Public.
func (h *PostHandler) ListMentions(w http.ResponseWriter, r *http.Request) {
users, err := h.svc.Mentions(r.Context(), chi.URLParam(r, "id"))
if err != nil {
mapSocialErr(w, err)
return
}
response.JSON(w, http.StatusOK, users)
}
// AddMention — POST /posts/{id}/mentions { user_id }. Author only.
func (h *PostHandler) AddMention(w http.ResponseWriter, r *http.Request) {
uid := middleware.UserID(r.Context())
var req struct {
UserID string `json:"user_id"`
}
if err := json.NewDecoder(r.Body).Decode(&req); err != nil || strings.TrimSpace(req.UserID) == "" {
response.Error(w, http.StatusBadRequest, "missing user_id")
return
}
if err := h.svc.AddMention(r.Context(), uid, chi.URLParam(r, "id"), req.UserID); err != nil {
mapSocialErr(w, err)
return
}
response.NoContent(w)
}
// RemoveMention — DELETE /posts/{id}/mentions/{userID}. Author only.
func (h *PostHandler) RemoveMention(w http.ResponseWriter, r *http.Request) {
uid := middleware.UserID(r.Context())
if err := h.svc.RemoveMention(r.Context(), uid, chi.URLParam(r, "id"), chi.URLParam(r, "userID")); err != nil {
mapSocialErr(w, err)
return
}
response.NoContent(w)
}
// Reshare materialises a reshare of the post identified by {id} as a
// new posts row owned by the caller. Idempotent — second call returns
// the same row (still 201). The body is the new (or existing) post so
@@ -489,10 +544,11 @@ type ProfileHandler struct {
collections *repository.CollectionRepo
graph *service.SocialGraphService
likes *repository.LikeRepo
mentions *repository.MentionRepo
}
func NewProfileHandler(users *repository.UserRepo, posts *repository.PostRepo, collections *repository.CollectionRepo, graph *service.SocialGraphService, likes *repository.LikeRepo) *ProfileHandler {
return &ProfileHandler{users: users, posts: posts, collections: collections, graph: graph, likes: likes}
func NewProfileHandler(users *repository.UserRepo, posts *repository.PostRepo, collections *repository.CollectionRepo, graph *service.SocialGraphService, likes *repository.LikeRepo, mentions *repository.MentionRepo) *ProfileHandler {
return &ProfileHandler{users: users, posts: posts, collections: collections, graph: graph, likes: likes, mentions: mentions}
}
func (h *ProfileHandler) Get(w http.ResponseWriter, r *http.Request) {
@@ -550,21 +606,48 @@ func (h *ProfileHandler) Feed(w http.ResponseWriter, r *http.Request) {
mapSocialErr(w, err)
return
}
if err := h.hydrateFeed(r, posts); err != nil {
mapSocialErr(w, err)
return
}
response.JSONWithMeta(w, http.StatusOK, posts, paginationMeta(total, limit, offset))
}
// MentionsFeed — GET /u/{handle}/mentions?limit=&offset=. Posts that tag this
// user, newest first. Public (OptionalAuth) with viewer-state hydration.
func (h *ProfileHandler) MentionsFeed(w http.ResponseWriter, r *http.Request) {
handle := chi.URLParam(r, "handle")
limit, offset := parseLimitOffset(r)
posts, total, err := h.posts.ListMentioningByHandle(r.Context(), handle, limit, offset)
if err != nil {
mapSocialErr(w, err)
return
}
if err := h.hydrateFeed(r, posts); err != nil {
mapSocialErr(w, err)
return
}
response.JSONWithMeta(w, http.StatusOK, posts, paginationMeta(total, limit, offset))
}
// hydrateFeed fills viewer reshare state + like counts/state + mention counts
// across a page of posts. Shared by the profile feed and the mentions feed.
func (h *ProfileHandler) hydrateFeed(r *http.Request, posts []model.Post) error {
if len(posts) == 0 {
return nil
}
viewerID := middleware.UserID(r.Context())
if viewerID != "" && len(posts) > 0 {
if viewerID != "" {
ids := make([]string, 0, len(posts))
for i := range posts {
// Skip own posts — can't reshare yourself, and the swap
// already triggers on isOwner.
if posts[i].UserID != viewerID {
if posts[i].UserID != viewerID { // can't reshare your own post
ids = append(ids, posts[i].ID)
}
}
if len(ids) > 0 {
states, err := h.posts.ReshareStatesFor(r.Context(), viewerID, ids)
if err != nil {
mapSocialErr(w, err)
return
return err
}
for i := range posts {
if states[posts[i].ID] {
@@ -573,18 +656,14 @@ func (h *ProfileHandler) Feed(w http.ResponseWriter, r *http.Request) {
}
}
}
// Like counts (effective) + viewer-liked state for every post in the page.
if len(posts) > 0 {
ptrs := make([]*model.Post, len(posts))
for i := range posts {
ptrs[i] = &posts[i]
}
if err := h.likes.Hydrate(r.Context(), viewerID, ptrs); err != nil {
mapSocialErr(w, err)
return
}
ptrs := make([]*model.Post, len(posts))
for i := range posts {
ptrs[i] = &posts[i]
}
response.JSONWithMeta(w, http.StatusOK, posts, paginationMeta(total, limit, offset))
if err := h.likes.Hydrate(r.Context(), viewerID, ptrs); err != nil {
return err
}
return h.mentions.HydrateCounts(r.Context(), ptrs)
}
// followListResp is the payload for the followers / following list endpoints: