git.plutz.net Git - rawnet/blob - page_channel.sh

   1 #!/bin/sh
   2
   3 chan_db="$_DATA/channels.db"
   4
   5 channel='' video='' action=''
   6 path_info="$PATH_INFO"
   7 path_info="${path_info#/channel/}"
   8 if [ "$(checkid "${path_info%%/*}")" ]; then
   9   channel="${path_info%%/*}"
  10   path_info="${path_info#*/}"
  11 fi
  12 if [ "$(checkid "${path_info%%/*}")" ]; then
  13   video="${path_info%%/*}"
  14   path_info="${path_info#*/}"
  15 fi
  16 action="${path_info}"
  17 unset path_info
  18
  19 # Channel
  20 # ID    NAME    DESCRIPTION     LOGO    THEME   AUTHORS DESCR_CACHE FUTUREUSE
  21
  22 if [ "$channel" -a -f "$chan_db" -a -r "$chan_db" ]; then
  23   read -r CHANNEL_ID CHANNEL_NAME CHANNEL_DESCRIPTION CHANNEL_LOGO \
  24           CHANNEL_THEME CHANNEL_AUTHORS CHANNEL_DESCR_CACHE \
  25           CHANNEL_FUTUREUSE <<-EOF
  26         $(grep "^${channel}     " "${chan_db}")
  27         EOF
  28   if [ "$CHANNEL_ID" ]; then
  29            CHANNEL_NAME="$(UNSTRING "${CHANNEL_NAME}")"
  30     CHANNEL_DESCRIPTION="$(UNSTRING "$CHANNEL_DESCRIPTION")"
  31         CHANNEL_AUTHORS="$(UNSTRING "$CHANNEL_AUTHORS")"
  32     CHANNEL_DESCR_CACHE="$(UNSTRING "$CHANNEL_DESCR_CACHE")"
  33     vid_db="${_DATA}/${CHANNEL_ID}/videos.db"
  34   else
  35     channel=''
  36   fi
  37 fi
  38
  39 update_channel(){
  40   local id="${1}" name description logo theme authors descr_cache futureuse
  41   local ID NAME DESCRIPTION LOGO THEME AUTHORS DESCR_CACHE FUTUREUSE
  42   local arg
  43
  44   for arg in "$@"; do case $arg in
  45     name=*) name="${arg#*=}";;
  46     description=*) description="${arg#*=}";;
  47     logo=*) logo="${arg#*=}";;
  48     theme=*) theme="${arg#*=}";;
  49     authors=*) authors="${arg#*=}";;
  50   esac; done
  51
  52   if LOCK "$chan_db"; then
  53     while read -r ID NAME DESCRIPTION LOGO THEME AUTHORS DESCR_CACHE FUTUREUSE; do
  54       if [ "$id" = "$ID" ]; then
  55         printf '%s      %s      %s      %s      %s      %s      %s      %s\n' \
  56                "$id" "$(STRING "${name-$(UNSTRING "$NAME")}")" \
  57                "$(STRING "${description-$(UNSTRING "$DESCRIPTION")}")" \
  58                "${logo:-${logo-${LOGO}}${logo+\\}}" \
  59                "${theme:-${theme-${THEME}}${theme+\\}}" \
  60                "$(STRING "${authors-$(UNSTRING "${AUTHORS}")}")" \
  61                "$(printf %s "${description-$(UNSTRING "$DESCRIPTION")}" |markdown |STRING)" \
  62                "${FUTUREUSE:-\\}"
  63       else
  64         printf '%s      %s      %s      %s      %s      %s      %s      %s\n' \
  65                "$ID" "$NAME" "$DESCRIPTION" "$LOGO" "$THEME" "$AUTHORS" \
  66                "$DESCR_CACHE" "$FUTUREUSE"
  67       fi
  68     done <"$chan_db" >"${chan_db}.$$"
  69     mv -- "${chan_db}.$$" "${chan_db}"
  70     RELEASE "$chan_db"
  71   else
  72     return 1
  73   fi
  74 }
  75
  76 AUTHOR(){
  77   if [ "$CHANNEL_ID" -a "$USER_ID" -a ! "${CHANNEL_AUTHORS##*${USER_ID}*}" ]; then
  78     return 0
  79   else
  80     return 1
  81   fi
  82 }
  83
  84 # Video
  85 # ID    NAME    DESCRIPTION     RESX    RESY    LENGTH  COVER   STATUS  UPLOADER        HITS
  86
  87 [ "$REQUEST_METHOD" = POST ] && case "$(POST action)" in
  88   newchannel)
  89     channel="$(POST channel |checkid)"
  90     if [ ! "$USER_ID" ]; then
  91       REDIRECT "${_BASE}/channel/#ERROR_NEWCHANNEL_NOTALLOWED"
  92     elif LOCK "$chan_db"; then
  93       if grep -q '^${channel}   ' "$chan_db"; then
  94         RELEASE "$chan_db"
  95         REDIRECT "${_BASE}/channel/#ERROR_NEWCHANNEL_EXISTS"
  96       else
  97         printf '%s      \\      \\      \\      \\      %s      \\      \\\n' \
  98                "$channel" "$(STRING "$USER_ID")" \
  99                >>"$chan_db"
 100         RELEASE "$chan_db"
 101         REDIRECT "${_BASE}/channel/${channel}/edit"
 102       fi
 103     else
 104       REDIRECT "${_BASE}/channel/#ERROR_NEWCHANNEL_NOLOCK"
 105     fi
 106     ;;
 107   update_channel)
 108     if [ ! "$channel" ]; then
 109       REDIRECT "${_BASE}/channel/#ERROR_NOCHANNEL"
 110     elif [ ! "$USER_ID" ]; then
 111       REDIRECT "${_BASE}/channel/${channel}/#ERROR_NOTLOGGEDIN"
 112     elif ! AUTHOR; then
 113       REDIRECT "${_BASE}/channel/${channel}/#ERROR_UPDATE_NOTALLOWED"
 114     elif update_channel "$channel" "name=$(POST name)" \
 115                         "description=$(POST description)" \
 116                         "authors=$USER_ID"; then
 117       REDIRECT "${_BASE}/channel/${channel}/"
 118     else
 119       REDIRECT "${_BASE}/channel/${channel}/#ERROR_UPDATE_NOLOCK"
 120     fi
 121     ;;
 122   update_channel_cancel)
 123     REDIRECT "${_BASE}/channel/${channel}/"
 124     ;;
 125   newvideo)
 126     video="$(POST video |checkid)"
 127
 128     AUTHOR \
 129     && mkdir -p -- "${_DATA}/${channel}/"
 130
 131     if [ ! "$video" ]; then
 132       REDIRECT "${_BASE}/channel/${channel}/#ERROR_INVALID_ID"
 133     elif [ ! "$channel" ]; then
 134       REDIRECT "${_BASE}/channel/#ERROR_NOCHANNEL"
 135     elif [ ! "$USER_ID" ]; then
 136       REDIRECT "${_BASE}/channel/${channel}/#ERROR_NOTLOGGEDIN"
 137     elif ! AUTHOR; then
 138       REDIRECT "${_BASE}/channel/${channel}/#ERROR_UPDATE_NOTALLOWED"
 139     elif LOCK "$vid_db"; then
 140       if grep -q '^${video}     ' "$vid_db"; then
 141         RELEASE "$vid_db"
 142         REDIRECT "${_BASE}/channel/${channel}/#ERROR_NEWVIDEO_EXISTS"
 143       else
 144                 # ID    NAME    DESC    RESX    RESY    LENGTH  COVER   STATUS  UPLOADER HITS   FUTUREUSE
 145         printf '%s      \\      \\      \\      \\      \\      \\      private %s      \\      \\\n' \
 146                "$video" "$(STRING "$USER_ID")" \
 147                >>"$vid_db"
 148         RELEASE "$vid_db"
 149         REDIRECT "${_BASE}/channel/${channel}/${video}/edit"
 150       fi
 151     else
 152       REDIRECT "${_BASE}/channel/${channel}/#ERROR_NEWVIDEO_NOLOCK"
 153     fi
 154     ;;
 155 esac
 156
 157 w_video(){
 158   local thumb
 159   local VIDEO_ID VIDEO_NAME VIDEO_DESCRIPTION VIDEO_RESX VIDEO_RESY \
 160         VIDEO_LENGTH VIDEO_COVER VIDEO_STATUS VIDEO_UPLOADER VIDEO_HITS \
 161         VIDEO_DESCR_CACHE VIDEO_FUTUREUSE
 162
 163   if read -r VIDEO_ID VIDEO_NAME VIDEO_DESCRIPTION VIDEO_RESX VIDEO_RESY \
 164              VIDEO_LENGTH VIDEO_COVER VIDEO_STATUS VIDEO_UPLOADER VIDEO_HITS \
 165              VIDEO_DESCR_CACHE VIDEO_FUTUREUSE; then
 166            VIDEO_NAME="$(UNSTRING "$VIDEO_NAME")"
 167     VIDEO_DESCRIPTION="$(UNSTRING "$VIDEO_DESCRIPTION")"
 168     VIDEO_DESCR_CACHE="$(UNSTRING "$VIDEO_DESCR_CACHE")"
 169
 170     [ "${VIDEO_STATUS}" = public ] || AUTHOR || return 0
 171
 172     thumb="${_BASE}/video/${CHANNEL_ID}/${VIDEO_ID}_thumb.jpg"
 173     [ "$NAME" = \\ ] && NAME="(Unnamed Video)"
 174     printf '[div .video .thumb
 175               [h3 [a href="%s/channel/%s/%s/" . %s]]
 176               [figure [img src="%s" alt=""]]
 177               [div .description . %s]
 178             ]' "$_BASE" "$CHANNEL_ID" "$VIDEO_ID" \
 179                "$(HTML "${VIDEO_NAME:-(Unnamed Video)}")" \
 180                "$thumb" "$(UNSTRING "$DESCR_CACHE")"
 181   else
 182     return 1
 183   fi
 184 }
 185
 186 w_channel(){
 187   local vid_db
 188   local CHANNEL_ID CHANNEL_NAME CHANNEL_DESCRIPTION CHANNEL_LOGO \
 189         CHANNEL_THEME CHANNEL_AUTHORS CHANNEL_DESCR_CACHE CHANNEL_FUTUREUSE
 190
 191   if read -r CHANNEL_ID CHANNEL_NAME CHANNEL_DESCRIPTION CHANNEL_LOGO \
 192              CHANNEL_THEME CHANNEL_AUTHORS CHANNEL_DESCR_CACHE \
 193              CHANNEL_FUTUREUSE; then
 194            CHANNEL_NAME="$(UNSTRING "$CHANNEL_NAME")"
 195     CHANNEL_DESCRIPTION="$(UNSTRING "$CHANNEL_DESCRIPTION")"
 196         CHANNEL_AUTHORS="$(UNSTRING "$CHANNEL_AUTHORS")"
 197     CHANNEL_DESCR_CACHE="$(UNSTRING "$CHANNEL_DESCR_CACHE")"
 198
 199     vid_db="${_DATA}/${CHANNEL_ID}/videos.db"
 200     cat <<-EOF
 201         [div .channel
 202           [div .description
 203             [h2 [a href="${_BASE}/channel/${CHANNEL_ID}/" $(HTML "${CHANNEL_NAME:-(Unnamed Channel)}")]]
 204             ${CHANNEL_DESCR_CACHE}
 205           ]$(
 206             [ -f "$vid_db" -a -r "$vid_db" ] \
 207             && while w_video; do :; done <"$vid_db"
 208           )
 209         ]
 210         EOF
 211   else
 212     return 1
 213   fi
 214 }
 215
 216 w_channel_list(){
 217   if [ $USER_ID ]; then
 218     printf '
 219     [form .channel .newchannel method=POST
 220       [hidden "channel" "%s"]
 221       [submit "action" "newchannel" New Channel]
 222     ]' "$(timeid)"
 223   fi
 224   [ -f "$chan_db" -a -r "$chan_db" ] \
 225   && while w_channel; do :; done <"$chan_db"
 226 }
 227
 228 if [ "$channel" -a "$video" ]; then
 229   . ${_EXEC}/page_video.sh
 230 elif [ "$channel" -a "$action" = edit ]; then
 231   AUTHOR || REDIRECT "${_BASE}/${channel}/#ERROR_EDIT_NOTALLOWED"
 232   yield_page "$CHANNEL_NAME - Edit" "channel edit" <<-EOF
 233         [form .channel .edit method=POST
 234           [input name="name" value="$(HTML "$CHANNEL_NAME")" placeholder="Channel Name"]
 235           [textarea name="description" placeholder="Description" . $(HTML "$CHANNEL_DESCRIPTION")]
 236           [submit "action" "update_channel" . Update]
 237           [submit "action" "update_channel_cancel" . Cancel]
 238         ]
 239         EOF
 240 elif [ "$channel" ]; then
 241   yield_page "$CHANNEL_NAME" "channel" <<-EOF
 242         [nav [a href="../" Channels] - [span $(HTML "${CHANNEL_NAME:-(Unnamed Channel)}")]
 243           $(AUTHOR && printf ' - [a href="edit" edit]')
 244         ]
 245         [h1 .name $(HTML "$CHANNEL_NAME")]
 246         [div .description . ${CHANNEL_DESCR_CACHE}]
 247         [h1 .videos Videos]
 248         [div .videos . $(
 249           AUTHOR && printf '
 250              [form .video .newvideo method=POST
 251                [hidden "video" "%s"]
 252                [submit "action" "newvideo" New Video]
 253              ]' "$(timeid)"
 254           [ -f "$vid_db" -a -r "$vid_db" ] \
 255           && while w_video "$ID"; do :; done <"$vid_db"
 256         )]
 257         EOF
 258 else
 259   yield_page "Channels" "channels" <<-EOF
 260         $(w_channel_list)
 261         EOF
 262 fi