website/pkg/controller/photo/user_gallery.go

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package photo
import (
"net/http"
"regexp"
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"code.nonshy.com/nonshy/website/pkg/config"
"code.nonshy.com/nonshy/website/pkg/models"
"code.nonshy.com/nonshy/website/pkg/session"
"code.nonshy.com/nonshy/website/pkg/templates"
)
var UserPhotosRegexp = regexp.MustCompile(`^/photo/u/([^@]+?)$`)
// UserPhotos controller (/photo/u/:username) to view a user's gallery or manage if it's yourself.
func UserPhotos() http.HandlerFunc {
tmpl := templates.Must("photo/gallery.html")
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// Query params.
var (
viewStyle = r.FormValue("view") // cards (default), full
)
if viewStyle != "full" {
viewStyle = "cards"
}
// Parse the username out of the URL parameters.
var username string
m := UserPhotosRegexp.FindStringSubmatch(r.URL.Path)
if m != nil {
username = m[1]
}
// Find this user.
user, err := models.FindUser(username)
if err != nil {
templates.NotFoundPage(w, r)
return
}
// Load the current user in case they are viewing their own page.
currentUser, err := session.CurrentUser(r)
if err != nil {
session.FlashError(w, r, "Unexpected error: couldn't get CurrentUser")
}
var (
isOwnPhotos = currentUser.ID == user.ID
isShy = currentUser.IsShy()
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isShyFrom = !isOwnPhotos && (currentUser.IsShyFrom(user) || (isShy && !models.AreFriends(currentUser.ID, user.ID)))
)
// Bail early if we are shy from this user.
if isShy && isShyFrom {
var vars = map[string]interface{}{
"IsOwnPhotos": currentUser.ID == user.ID,
"IsShyUser": isShy,
"IsShyFrom": isShyFrom,
// "IsMyPrivateUnlockedFor": isGranted, // have WE granted THIS USER to see our private pics?
// "AreWeGrantedPrivate": isGrantee, // have THEY granted US private photo access.
"User": user,
"Photos": []*models.Photo{},
"PhotoCount": models.CountPhotos(user.ID),
"Pager": models.Pagination{},
}
if err := tmpl.Execute(w, r, vars); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
return
}
// Is either one blocking?
if models.IsBlocking(currentUser.ID, user.ID) && !currentUser.IsAdmin {
templates.NotFoundPage(w, r)
return
}
// Is this user private and we're not friends?
var (
areFriends = models.AreFriends(user.ID, currentUser.ID)
isPrivate = user.Visibility == models.UserVisibilityPrivate && !areFriends
)
if isPrivate && !currentUser.IsAdmin && !isOwnPhotos {
session.FlashError(w, r, "This user's profile page and photo gallery are private.")
templates.Redirect(w, "/u/"+user.Username)
return
}
// Has this user granted access to see their privates?
var (
isGrantee = models.IsPrivateUnlocked(user.ID, currentUser.ID) // THEY have granted US access
isGranted = models.IsPrivateUnlocked(currentUser.ID, user.ID) // WE have granted THEM access
)
// What set of visibilities to query?
visibility := []models.PhotoVisibility{models.PhotoPublic}
if isOwnPhotos || isGrantee || currentUser.IsAdmin {
visibility = append(visibility, models.PhotoFriends, models.PhotoPrivate)
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} else if models.AreFriends(user.ID, currentUser.ID) {
visibility = append(visibility, models.PhotoFriends)
}
// Explicit photo filter?
explicit := currentUser.Explicit
if isOwnPhotos {
explicit = true
}
// Get the page of photos.
pager := &models.Pagination{
Page: 1,
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PerPage: config.PageSizeUserGallery,
Sort: "created_at desc",
}
pager.ParsePage(r)
photos, err := models.PaginateUserPhotos(user.ID, visibility, explicit, pager)
// Get the count of explicit photos if we are not viewing explicit photos.
var explicitCount int64
if !explicit {
explicitCount, _ = models.CountExplicitPhotos(user.ID, visibility)
}
// Get Likes information about these photos.
var photoIDs = []uint64{}
for _, p := range photos {
photoIDs = append(photoIDs, p.ID)
}
likeMap := models.MapLikes(currentUser, "photos", photoIDs)
commentMap := models.MapCommentCounts("photos", photoIDs)
var vars = map[string]interface{}{
"IsOwnPhotos": currentUser.ID == user.ID,
"IsShyUser": isShy,
"IsShyFrom": isShyFrom,
"IsMyPrivateUnlockedFor": isGranted, // have WE granted THIS USER to see our private pics?
"AreWeGrantedPrivate": isGrantee, // have THEY granted US private photo access.
"User": user,
"Photos": photos,
"PhotoCount": models.CountPhotos(user.ID),
"Pager": pager,
"LikeMap": likeMap,
"CommentMap": commentMap,
"ViewStyle": viewStyle,
"ExplicitCount": explicitCount,
}
if err := tmpl.Execute(w, r, vars); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
})
}