71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
package api
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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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)
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// ViewPhoto API pings a view count on a photo, e.g. from the lightbox modal.
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func ViewPhoto() http.HandlerFunc {
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// Response JSON schema.
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type Response struct {
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OK bool `json:"OK"`
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Error string `json:"error,omitempty"`
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Likes int64 `json:"likes"`
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}
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// Get the current user.
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currentUser, err := session.CurrentUser(r)
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if err != nil {
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SendJSON(w, http.StatusBadRequest, Response{
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Error: "Couldn't get current user!",
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})
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return
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}
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// Photo ID from path parameter.
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var photoID uint64
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if id, err := strconv.Atoi(r.PathValue("photo_id")); err == nil && id > 0 {
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photoID = uint64(id)
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} else {
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SendJSON(w, http.StatusBadRequest, Response{
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Error: "Invalid photo ID",
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})
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return
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}
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// Find this photo.
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photo, err := models.GetPhoto(photoID)
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if err != nil {
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SendJSON(w, http.StatusNotFound, Response{
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Error: "Photo Not Found",
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})
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return
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}
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// Check permission to have seen this photo.
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if ok, err := photo.CanBeSeenBy(currentUser); !ok {
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log.Error("Photo %d can't be seen by %s: %s", photo.ID, currentUser.Username, err)
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SendJSON(w, http.StatusNotFound, Response{
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Error: "Photo Not Found",
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})
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return
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}
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// Mark a view.
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if err := photo.View(currentUser.ID); err != nil {
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log.Error("Update photo(%d) views: %s", photo.ID, err)
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}
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// Send success response.
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SendJSON(w, http.StatusOK, Response{
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OK: true,
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})
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})
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}
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