improved speed, added local data lists, some cleaning

src/main.sh

@@ -3,10 +3,10 @@
 set -eu
 
 # The user interface of this application is composed out of the following
-# views.
+# views:
 # - VIEW_ARTIST: Show all release group of an artist
 # - VIEW_RELEASEGROUP: Show all releases within a release group
-# - VIEW_RELEASE: Show track list of release
+# - VIEW_RELEASE: Show track list of a release
 # - VIEW_SEARCH_ARTIST: Interface to search artists on MusicBrainz
 # - VIEW_SEARCH_ALBUM: Interface to search albums (release groups) on MusicBrainz
 # - VIEW_LIST_ARTISTS: Presentation of all artists in the local database
@@ -16,7 +16,7 @@ set -eu
 # - VIEW_QUIT: Exiting view, to terminate the application
 #
 # All views but the last three are handled within a single fzf instance. The
-# views VIEW_SELECT_ARTIST, and VIEW_PLAYLIST run each in a separate fzf
+# views VIEW_SELECT_ARTIST and VIEW_PLAYLIST run each in a separate fzf
 # instance. The last view (VIEW_QUIT) does nothing but terminate the
 # application.
 #
@@ -26,7 +26,7 @@ set -eu
 # the query string can be written.
 #
 # All views and modes are referred to by the following constants. The values
-# are arbitrary but distinct.
+# are arbitrary but must be distinct.
 VIEW_ARTIST="artist"
 VIEW_RELEASEGROUP="rg"
 VIEW_RELEASE="release"
@@ -56,7 +56,7 @@ MODE_INSERT="show"
 # Load playlist tools
 . "sh/playlist.sh"
 
-# Load MusicBrainz and Discogs methods
+# Load MusicBrainz, Discogs, and wiki methods
 . "sh/api.sh"
 
 # Load mpv methods
@@ -313,6 +313,18 @@ case "${1:-}" in
   ;;
 esac
 
+# Load configuration
+. "sh/config.sh"
+
+# Load theme
+. "sh/theme.sh"
+
+# Load tools
+. "sh/tools.sh"
+
+# Load AWK scripts
+. "sh/awk.sh"
+
 # Non-interactive user commands intended to the user. These commands do not
 # require temporary files, fzf, nor the mpv instance.
 case "${1:-}" in
@@ -332,7 +344,7 @@ case "${1:-}" in
   fi
   exit 0
   ;;
-"--reload")
+"--reload-database")
   # Reload database of local music
   #
   # @argument $2: path
@@ -343,7 +355,7 @@ case "${1:-}" in
   [ ! "${2:-}" ] && err "Path to decorated music is missing." && exit 1
   [ ! -d "$2" ] && err "Path does not point to a directory." && exit 1
   info "Reloading information of local music directory $2"
-  load_local "$2" || err "Failed to load local data"
+  reloaddb "$2" || err "Failed to load local data"
   info "Done"
   exit 0
   ;;
@@ -356,27 +368,18 @@ GENERAL OPTIONS:
   --help                        Show this help and exit.
   --artists                     Default options, list artists of local music
   --albums                      List albums of local music
-  --search-artist [<query>]     Search artist on MusicBrainz
-  --search-album [<query>]      Search album on MusicBrainz
+  --search-artist               Search artist on MusicBrainz
+  --search-album                Search album on MusicBrainz
   --artist <mbid>               List release groups of given artist <mbid>
   --releasegroup <mbid>         List releases in given release group <mbid>
   --release <mbid>              Show release given by <mbid>
-  --ni-search-artist [<query>]  Non-interactive search on MusicBrainz
-  --ni-search-album [<query>]   Non-interactive search on MusicBrainz
 
 MANAGE LOCAL MUSIC:
   --decorate <path>             Decorate directory containing a tagged release
-  --reload <path>               Populate database with decorated local music from <path>
+  --reload-database <path>      Populate database with decorated local music from <path>
 EOF
   exit 0
   ;;
-"--refresh-view")
-  # Recompute main views
-  #
-  # With this method, the content for the views VIEW_LIST_ARTISTS and VIEW_LIST_ALBUMS are recomputed.
-  precompute_view
-  exit 0
-  ;;
 esac
 
 # Interactive user commands
@@ -428,38 +431,29 @@ case "${1:-}" in
 esac
 
 # Start application:
-# - load configuration
-# - load and export theme
 # - load and export preset filters
 # - load and export keys
-# - load and export tools
-# - load and export awk scripts
 # - set title
+# - check for missing data from MusicBrainz
+# - precompute main views
 # - get temporary directory for temporary files
 # - start mpv daemon
 # - enter main loop and start fzf
 
-# Load configuration
-. "sh/config.sh"
-
-# Load theme
-. "sh/theme.sh"
-
 # Load filters
 . "sh/filter.sh"
 
 # Load keys
 . "sh/keys.sh"
 
-# Load tools
-. "sh/tools.sh"
-
-# Load AWK scripts
-. "sh/awk.sh"
-
 # Set window title
 printf '\033]0;%s\007' "$WINDOW_TITLE"
 
+# Check if the required json files are present
+local_files_present || load_missing_files
+# Generate views
+precompute_views
+
 # Generate filenames for temporary files
 tmpdir=$(mktemp -d)
 LOCKFILE="$tmpdir/lock"