Legacy sync

Signed-off-by: Tony Tkacik <tonydamage@gmail.com>

inc/thumby.nuxsh.sh

@@ -0,0 +1,130 @@
+nux.use nux.mime
+
+@namespace thumby {
+  function :name.shared {
+    echo $(basename "$1"|md5sum|cut -d " " -f1).png
+  }
+
+  function :noop {
+    :
+  }
+
+  function :image.size {
+    raw_str=$(identify "$1")
+    str=${raw_str#$1 * }
+    echo ${str%% *}
+  }
+
+  function :mimetype.supported {
+    local mimetype="$1";
+    local base="${mimetype%%/*}";
+    local helper="${mimetype/\//.}";
+    if [ "$base" == "image" ]; then
+        return 0;
+    elif nux.check.function thumby.thumb.source.locator.$helper; then
+        return 0;
+    elif nux.check.function thumby.thumb.source.extractor.$helper; then
+        return 0;
+    fi
+    return 1;
+  }
+}
+
+@namespace thumby.thumb {
+
+  function :should.generate path mimetype {
+    local thumbpath=$(thumby.thumb.path "$path");
+    local source=$(thumby.thumb.source "$path" "$mimetype");
+    if [ "$source" -nt "$thumbpath" ]; then
+      return 0;
+    else
+      return 1;
+    fi
+  }
+
+  function :can.generate path mimetype {
+    local helper="${mimetype/\//.}";
+
+    if ! thumby.mimetype.supported "$mimetype" {
+      return 1;
+    }
+
+    if nux.check.function thumby.thumb.source.locator.$helper {
+      local source=$(thumby.thumb.source.locator.$helper "$path");
+      if [ -z "$source" ] {
+        return 1;
+      }
+    }
+    return 0;
+  }
+
+  function :source path mimetype {
+    local helper="${mimetype/\//.}";
+    if nux.check.function thumby.thumb.source.locator.$helper; then
+      thumby.thumb.source.locator.$helper "$path"
+    else
+        echo "$path";
+    fi
+  }
+
+  function :path path {
+    local filename=$(basename "$path")
+    local dirname=$(dirname "$path")
+    local thumbname="$(thumby.name.shared "$filename")";
+    echo "$dirname/.sh_thumbnails/large/$thumbname";
+  }
+
+  function :get path mimetype {
+
+    nux.log debug "thumby path: $path";
+    if [ ! -e "$path" ] ; then
+      return -1;
+    fi
+
+    if [ -z "$mimetype" ] ; then
+      mimetype=$(nux.mime "$path")
+    fi
+
+    local filename=$(basename "$path")
+    local dirname=$(dirname "$path")
+    local thumbname="$(thumby.name.shared "$filename")";
+    local thumbpath="$dirname/.sh_thumbnails/large/$thumbname";
+
+    nux.log debug "Dir: $dirname, File: $filename, thumb: $thumbname"
+
+    if thumby.thumb.should.generate "$path" "$mimetype" {
+
+      helper="${mimetype/\//.}"
+      nux.log debug "File $path, type $mimetype does not have thumbnail. Trying to generate using $helper."
+
+      local preexec=thumby.noop;
+      local postexec=thumby.noop;
+      local source=$path;
+      local streamer=thumby.noop;
+      if nux.check.function thumby.thumb.source.locator.$helper ; then
+        source=$(thumby.thumb.source.locator.$helper "$path");
+      fi
+      if nux.check.function thumby.thumb.source.extractor.$helper ; then
+        echo "Using source helper" >&2
+        source="-"
+        streamer=thumby.thumb.source.extractor.$helper;
+      fi
+      nux.log debug "File $path, using '$source' as source. Using stremer '$streamer'"
+      mkdir -p "$dirname/.sh_thumbnails/large" &>/dev/null
+      mtime=`stat -c '%Y' "$path"`
+
+      $preexec "$path"
+      nux.log info "Source is : $source, Streamer is $streamer";
+      $streamer "$path" | convert -thumbnail '256x256>' -strip "$source" "$thumbpath" >&2
+      $postexec "$path"
+    }
+    if [ -e "$thumbpath" ]; then
+      echo $thumbpath;
+    fi
+  }
+
+  function :generate {
+    convert -thumbnail '256x256>' -strip "$path" "$thumbpath" >&2
+  }
+
+}