lens @ master

  1package view
  2
  3import (
  4	"net/http"
  5	"strconv"
  6	"strings"
  7
  8	"git.sr.ht/~gabrielgio/img/pkg/database/repository"
  9	"git.sr.ht/~gabrielgio/img/pkg/ext"
 10	"git.sr.ht/~gabrielgio/img/templates"
 11)
 12
 13type (
 14	MediaView struct {
 15		mediaRepository    repository.MediaRepository
 16		userRepository     repository.UserRepository
 17		settingsRepository repository.SettingsRepository
 18	}
 19)
 20
 21func getPagination(r *http.Request) *repository.Pagination {
 22	var (
 23		size       int
 24		page       int
 25		albumID    *uint
 26		sizeStr    = r.FormValue("size")
 27		pageStr    = r.FormValue("page")
 28		albumIDStr = r.FormValue("albumId")
 29	)
 30
 31	if sizeStr == "" {
 32		size = 100
 33	} else if s, err := strconv.Atoi(sizeStr); err != nil {
 34		size = 100
 35	} else {
 36		size = s
 37	}
 38
 39	if pageStr == "" {
 40		page = 0
 41	} else if p, err := strconv.Atoi(pageStr); err != nil {
 42		page = 0
 43	} else {
 44		page = p
 45	}
 46
 47	if albumIDStr == "" {
 48		albumID = nil
 49	} else if p, err := strconv.Atoi(albumIDStr); err == nil {
 50		id := uint(p)
 51		albumID = &id
 52	}
 53
 54	return &repository.Pagination{
 55		Page:    page,
 56		Size:    size,
 57		AlbumID: albumID,
 58	}
 59}
 60
 61func NewMediaView(
 62	mediaRepository repository.MediaRepository,
 63	userRepository repository.UserRepository,
 64	settingsRepository repository.SettingsRepository,
 65) *MediaView {
 66	return &MediaView{
 67		mediaRepository:    mediaRepository,
 68		userRepository:     userRepository,
 69		settingsRepository: settingsRepository,
 70	}
 71}
 72
 73func (self *MediaView) Index(w http.ResponseWriter, r *http.Request) error {
 74	p := getPagination(r)
 75	user := ext.GetUserFromCtx(r)
 76
 77	userPath, err := self.userRepository.GetPathFromUserID(r.Context(), user.ID)
 78	if err != nil {
 79		return err
 80	}
 81
 82	p.Path = userPath
 83	medias, err := self.mediaRepository.List(r.Context(), p)
 84	if err != nil {
 85		return err
 86	}
 87
 88	settings, err := self.settingsRepository.Load(r.Context())
 89	if err != nil {
 90		return err
 91	}
 92
 93	page := &templates.MediaPage{
 94		Medias: medias,
 95		Next: &repository.Pagination{
 96			Size: p.Size,
 97			Page: p.Page + 1,
 98		},
 99		Settings: settings,
100	}
101
102	templates.WritePageTemplate(w, page, user.IsAdmin)
103
104	return nil
105}
106
107func (self *MediaView) Detail(w http.ResponseWriter, r *http.Request) error {
108	user := ext.GetUserFromCtx(r)
109
110	userPath, err := self.userRepository.GetPathFromUserID(r.Context(), user.ID)
111	if err != nil {
112		return err
113	}
114
115	pathHash := r.FormValue("path_hash")
116
117	media, err := self.mediaRepository.Get(r.Context(), pathHash)
118	if err != nil {
119		return err
120	}
121
122	if !strings.Contains(media.Path, userPath) {
123		ext.NotFound(w)
124		return nil
125	}
126
127	settings, err := self.settingsRepository.Load(r.Context())
128	if err != nil {
129		return err
130	}
131
132	page := &templates.DetailPage{
133		Settings: settings,
134		Media:    media,
135	}
136
137	templates.WritePageTemplate(w, page, user.IsAdmin)
138
139	return nil
140}
141
142func (self *MediaView) GetImage(w http.ResponseWriter, r *http.Request) error {
143	pathHash := r.FormValue("path_hash")
144
145	media, err := self.mediaRepository.Get(r.Context(), pathHash)
146	if err != nil {
147		return err
148	}
149
150	w.Header().Set("Content-Type", media.MIMEType)
151	http.ServeFile(w, r, media.Path)
152	return nil
153}
154
155func (self *MediaView) GetThumbnail(w http.ResponseWriter, r *http.Request) error {
156	pathHash := r.FormValue("path_hash")
157
158	path, err := self.mediaRepository.GetThumbnailPath(r.Context(), pathHash)
159	if err != nil {
160		http.Redirect(w, r, "/media/image?path_hash="+pathHash, http.StatusTemporaryRedirect)
161		// nolint: nilerr
162		return nil
163	}
164
165	w.Header().Set("Content-Type", "image/jpeg")
166	http.ServeFile(w, r, path)
167	return nil
168}
169
170func (self *MediaView) SetMyselfIn(r *ext.Router) {
171	r.GET("/media", self.Index)
172	r.POST("/media", self.Index)
173
174	r.GET("/detail", self.Detail)
175	r.POST("/detail", self.Detail)
176
177	r.GET("/media/image", self.GetImage)
178	r.GET("/media/thumbnail", self.GetThumbnail)
179}