Merge pull request #23 from mayanez/feat/composer-tagart

feat(Tagart): Open Opus Composer Tag Provider

Tagart/README.md

@@ -6,18 +6,21 @@ This script fetches tagart. You must create a directory in the `/var/lib/mympd/p
 # Enable display of tags Artist and AlbumArtist
 mkdir /var/lib/mympd/pics/Artist
 mkdir /var/lib/mympd/pics/AlbumArtist
+# Enable display of tags Composer
+mkdir /var/lib/mympd/pics/Composer
 ```
 
 ## Usage
 
 1. Create a new variable `fanart_tv_api_key` with your API key for Fanart.tv.
 2. Import the `Tagart.lua` and the `TagartProviders.lua` scripts.
 3. Create a new trigger
-    - Event: `mympd_albumart`
+    - Event: `mympd_tagart`
     - Script: above script
 
 ## Available providers
 
 | PROVIDER | SUPPORTED TAGS | REQUIRED TAGS |
 | -------- | -------------- | ------------- |
 | [Fanart.tv](https://fanart.tv/) | Artist, AlbumArtist | Artist, AlbumArtist, MUSICBRAINZ_ARTISTID |
+| [Open Opus](https://openopus.org/) | Composer | Composer |

Tagart/TagartProviders.lua

@@ -54,8 +54,58 @@ local p_fanart_tv = {
     end
 }
 
+local p_openopus = {
+    name = "Open Opus",
+    tags = {
+        Composer = true
+    },
+    get = function(tag, value, out)
+        local rc, code, header, body, song
+        rc, song = mympd.api("MYMPD_API_DATABASE_SEARCH", {
+            expression = "((" .. tag .. " == '" .. value .. "'))",
+            sort = "Title",
+            sortdesc = false,
+            offset = 0,
+            limit = 1,
+            fields = {
+                "composer"
+            }
+        })
+        if rc ~= 0 or
+           not song.data or
+           not song.data[1] or
+           not song.data[1].Composer or
+           song.data[1].Composer[1] == ""
+        then
+            mympd.log(7, "Composer not found")
+            return 1
+        end
+
+        local uri = "https://api.openopus.org/composer/list/search/" .. mympd.urlencode(song.data[1].Composer[1]) .. ".json"
+        rc, code, header, body = mympd.http_client("GET", uri, "", "")
+        if rc == 1 then
+            return 1
+        end
+        local data = json.decode(body)
+        if not data then
+            mympd.log(7, "Invalid json data received")
+            return 1
+        end
+        if not data.composers or
+           not data.composers[1] or
+           not data.composers[1].portrait
+        then
+            mympd.log(7, "Tagart not found")
+            return 1
+        end
+        return mympd.http_download(data.composers[1].portrait, "", out)
+
+    end
+}
+
 -- Return the providers as lua table
 -- You can use this table to sort or disable providers
 return {
-    p_fanart_tv
+    p_fanart_tv,
+    p_openopus
 }