115 lines
3.4 KiB
Go
115 lines
3.4 KiB
Go
package photo
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import (
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"net/http"
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"strconv"
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"code.nonshy.com/nonshy/website/pkg/log"
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"code.nonshy.com/nonshy/website/pkg/models"
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"code.nonshy.com/nonshy/website/pkg/session"
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"code.nonshy.com/nonshy/website/pkg/templates"
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)
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// View photo controller to see the comment thread.
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func View() http.HandlerFunc {
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tmpl := templates.Must("photo/permalink.html")
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// Required query param: the photo ID.
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var photo *models.Photo
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if idStr := r.FormValue("id"); idStr == "" {
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session.FlashError(w, r, "Missing photo ID parameter.")
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templates.Redirect(w, "/")
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return
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} else {
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if idInt, err := strconv.Atoi(idStr); err != nil {
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session.FlashError(w, r, "Invalid ID parameter.")
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templates.Redirect(w, "/")
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return
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} else {
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if found, err := models.GetPhoto(uint64(idInt)); err != nil {
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templates.NotFoundPage(w, r)
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return
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} else {
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photo = found
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}
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}
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}
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// Find the photo's owner.
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user, err := models.GetUser(photo.UserID)
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if err != nil {
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templates.NotFoundPage(w, r)
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return
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}
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// Load the current user in case they are viewing their own page.
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currentUser, err := session.CurrentUser(r)
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if err != nil {
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session.FlashError(w, r, "Unexpected error: couldn't get CurrentUser")
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}
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var isOwnPhoto = currentUser.ID == user.ID
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// Is either one blocking?
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if models.IsBlocking(currentUser.ID, user.ID) && !currentUser.IsAdmin {
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templates.NotFoundPage(w, r)
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return
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}
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// Is this user private and we're not friends?
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var (
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areFriends = models.AreFriends(user.ID, currentUser.ID)
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isPrivate = user.Visibility == models.UserVisibilityPrivate && !areFriends
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)
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if isPrivate && !currentUser.IsAdmin && !isOwnPhoto {
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session.FlashError(w, r, "This user's profile page and photo gallery are private.")
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templates.Redirect(w, "/u/"+user.Username)
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return
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}
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// Is this a private photo and are we allowed to see?
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isGranted := models.IsPrivateUnlocked(user.ID, currentUser.ID)
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if photo.Visibility == models.PhotoPrivate && !isGranted && !currentUser.IsAdmin {
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templates.NotFoundPage(w, r)
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return
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}
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// Get Likes information about these photos.
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likeMap := models.MapLikes(currentUser, "photos", []uint64{photo.ID})
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commentMap := models.MapCommentCounts("photos", []uint64{photo.ID})
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// Get all the comments.
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comments, err := models.ListComments("photos", photo.ID)
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if err != nil {
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log.Error("Couldn't list comments for photo %d: %s", photo.ID, err)
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}
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// Get the like map for these comments.
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commentIDs := []uint64{}
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for _, com := range comments {
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commentIDs = append(commentIDs, com.ID)
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}
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commentLikeMap := models.MapLikes(currentUser, "comments", commentIDs)
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// Populate the user relationships in these comments.
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models.SetUserRelationshipsInComments(currentUser, comments)
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// Is the current user subscribed to notifications on this thread?
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_, isSubscribed := models.IsSubscribed(currentUser, "photos", photo.ID)
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var vars = map[string]interface{}{
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"IsOwnPhoto": currentUser.ID == user.ID,
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"User": user,
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"Photo": photo,
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"LikeMap": likeMap,
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"CommentMap": commentMap,
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"Comments": comments,
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"CommentLikeMap": commentLikeMap,
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"IsSubscribed": isSubscribed,
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}
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if err := tmpl.Execute(w, r, vars); err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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})
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}
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