tagger based off of ffmpeg created

shard.lock

@@ -1,6 +1,10 @@
 version: 1.0
 shards:
-  spotify:
-    github: marceloboeira/spotify.cr
-    commit: 347727a4ebe4f3f4e55f6032de17cdd554a676bd
+  cr-taglib:
+    github: teknomunk/cr-taglib
+    commit: 5bfca75aaac31c0e4eee4c6e0d72c624af773c09
+
+  ydl_binaries:
+    github: cooperhammond/ydl-binaries
+    commit: 8a622bf9d2c0b848db8d8db2f46f09334a1f03f8
 

src/interact/tagger.cr

@@ -0,0 +1,46 @@
+# TODO: write comments/documentation
+
+class Tags
+
+  @BIN_LOC = Path["~/.irs/bin".sub("~", Path.home)]
+  @query_args = [] of String
+
+
+  def initialize(@filename : String)
+    if !File.exists?(@filename)
+      raise "MP3 not found at location: #{@filename}"
+    end
+
+    @query_args.push(%(-i "#{@filename}"))
+
+  end
+
+  def add_text_tag(key : String, value : String)
+    @query_args.push(%(-metadata #{key}="#{value}"))
+  end
+
+  def add_album_art(image_location : String)
+    if !File.exists?(image_location)
+      raise "Image file not found at location: #{image_location}"
+    end
+
+    @query_args.push(%(-i "#{image_location}"))
+    @query_args.push("-map 0:0 -map 1:0")
+    @query_args.push("-c copy")
+    @query_args.push("-id3v2_version 3")
+    @query_args.push(%(-metadata:s:v title="Album cover"))
+    @query_args.push(%(-metadata:s:v comment="Cover (front)"))
+    @query_args.push(%(-metadata:s:v title="Album cover"))
+  end
+
+  def save
+    @query_args.push(%("#{@filename}"))
+    command = @BIN_LOC.to_s + "/ffmpeg " + @query_args.join(" ")
+    puts command
+  end
+end
+
+# a = Tags.new("test.mp3")
+# a.add_text_tag("title", "Warwick Avenue")
+# a.add_album_art("file.png")
+# a.save()