refactor: use a better class hierarchy for filesystems

src/cli.cr

@@ -97,7 +97,7 @@ module GX
     end
 
     def mount()
-      names_display = {} of String => NamedTuple(filesystem: Filesystem, ansi_name: String)
+      names_display = {} of String => NamedTuple(filesystem: Filesystem::AbstractFilesystem, ansi_name: String)
       @config.filesystems.each do |filesystem|
         fs_str = filesystem.type.ljust(12,' ')
 

src/config.cr

@@ -23,8 +23,9 @@ module GX
     record AddArgs, name : String, path : String
     record DelArgs, name : String
 
-    getter filesystems : Array(Filesystem)
+    getter filesystems : Array(Filesystem::AbstractFilesystem)
     getter home_dir : String
+    getter global_mount_point : String?
     property verbose : Bool
     property mode : Mode
     property path : String?
@@ -38,8 +39,9 @@ module GX
 
       @verbose = false
       @mode = Mode::Mount
-      @filesystems = [] of Filesystem
+      @filesystems = [] of Filesystem::AbstractFilesystem
       @path = nil
+      @global_mount_point = nil
 
       @args = NoArgs
     end
@@ -73,7 +75,7 @@ module GX
         path = detect_config_file()
       end
       @path = path
-      @filesystems = [] of Filesystem
+      @filesystems = [] of Filesystem::AbstractFilesystem
 
       if !File.exists? path
         Log.error { "File #{path} does not exist!".colorize(:red) }
@@ -82,19 +84,34 @@ module GX
       load_filesystems(path)
     end
 
-    private def load_filesystems(config_path : String)
-      file_data = File.read(config_path)
     # FIXME: render template on a value basis (instead of global)
+    private def load_filesystems(config_path : String)
+      schema_version = nil
+      file_data = File.read(config_path)
       file_patched = Crinja.render(file_data, {"env" => ENV.to_h}) 
 
       yaml_data = YAML.parse(file_patched)
-      vaults_data = yaml_data["filesystems"].as_a
 
+      # Extract schema version
+      if yaml_data["version"]?
+          schema_version = yaml_data["version"].as_s?
+      end
+
+      # Extract global settings
+      if yaml_data["global"]?.try &.as_h?
+        global_data = yaml_data["global"]
+        if global_data["mountpoint"]?
+          @global_mount_point = global_data["mountpoint"].as_s?
+        end
+      end
+
+      # Extract filesystem data
+      vaults_data = yaml_data["filesystems"].as_a
       vaults_data.each do |filesystem_data|
         type = filesystem_data["type"].as_s
         name = filesystem_data["name"].as_s
         # encrypted_path = filesystem_data["encrypted_path"].as_s
-        @filesystems << Filesystem.from_yaml(filesystem_data.to_yaml)
+        @filesystems << Filesystem::AbstractFilesystem.from_yaml(filesystem_data.to_yaml)
         # @filesystems << Filesystem.new(name, encrypted_path, "#{name}.Open")
       end
     end

src/filesystems.cr

@@ -6,4 +6,4 @@
 require "./filesystems/gocryptfs"
 require "./filesystems/sshfs"
 require "./filesystems/httpdirfs"
-require "./filesystems/filesystem"
+require "./filesystems/abstract_filesystem"

src/filesystems/abstract_filesystem.cr

@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# SPDX-FileCopyrightText: 2023 Glenn Y. Rolland <glenux@glenux.net>
+# Copyright © 2023 Glenn Y. Rolland <glenux@glenux.net>
+
+require "yaml"
+
+module GX
+  module Filesystem
+    abstract class AbstractFilesystem
+      include YAML::Serializable
+
+      use_yaml_discriminator "type", {
+        gocryptfs: GoCryptFS, 
+        sshfs: SshFS,
+        httpdirfs: HttpDirFS
+      }
+
+      property type : String
+    end
+
+    module FilesystemBase
+      def unmount
+        system("fusermount -u #{mount_dir.shellescape}")
+        fusermount_status = $?
+
+        if fusermount_status.success?
+          puts "Filesystem #{name} is now closed.".colorize(:green)
+        else
+          puts "Error: Unable to unmount filesystem #{name} (exit code: #{fusermount_status.exit_code}).".colorize(:red)
+        end
+      end
+
+      def mount(&block)
+        Dir.mkdir_p(mount_dir) unless Dir.exists?(mount_dir)
+        if mounted?
+          puts "Already mounted. Skipping.".colorize(:yellow)
+          return
+        end
+
+        yield
+
+        puts "Filesystem #{name} is now available on #{mount_dir}".colorize(:green)
+      end
+    end
+  end
+end
+
+require "./gocryptfs"
+require "./sshfs"

src/filesystems/filesystem.cr

@@ -1,48 +0,0 @@
-# SPDX-License-Identifier: GPL-3.0-or-later
-#
-# SPDX-FileCopyrightText: 2023 Glenn Y. Rolland <glenux@glenux.net>
-# Copyright © 2023 Glenn Y. Rolland <glenux@glenux.net>
-
-require "yaml"
-
-module GX
-  abstract class Filesystem
-    include YAML::Serializable
-
-    use_yaml_discriminator "type", {
-      gocryptfs: GoCryptFS, 
-      sshfs: SshFS,
-      httpdirfs: HttpDirFS
-    }
-
-    property type : String
-  end
-
-  module GenericFilesystem
-    def unmount
-      system("fusermount -u #{mount_dir.shellescape}")
-      fusermount_status = $?
-
-      if fusermount_status.success?
-        puts "Filesystem #{name} is now closed.".colorize(:green)
-      else
-        puts "Error: Unable to unmount filesystem #{name} (exit code: #{fusermount_status.exit_code}).".colorize(:red)
-      end
-    end
-
-    def mount(&block)
-      Dir.mkdir_p(mount_dir) unless Dir.exists?(mount_dir)
-      if mounted?
-        puts "Already mounted. Skipping.".colorize(:yellow)
-        return
-      end
-
-      yield
-
-      puts "Filesystem #{name} is now available on #{mount_dir}".colorize(:green)
-    end
-  end
-end
-
-require "./gocryptfs"
-require "./sshfs"

src/filesystems/gocryptfs.cr

@@ -4,17 +4,18 @@
 # Copyright © 2023 Glenn Y. Rolland <glenux@glenux.net>
 
 require "shellwords"
-require "./filesystem"
+require "./abstract_filesystem"
 
 module GX
-  class GoCryptFS < Filesystem
+  module Filesystem
+    class GoCryptFS < AbstractFilesystem
       getter name : String = ""
       getter encrypted_path : String = ""
 
       @[YAML::Field(key: "mount_dir", ignore: true)]
       getter mount_dir : String = ""
 
-    include GenericFilesystem
+      include FilesystemBase
 
       def after_initialize()
         home_dir = ENV["HOME"] || raise "Home directory not found"
@@ -44,4 +45,5 @@ module GX
         end
       end
     end
+  end
 end

src/filesystems/httpdirfs.cr

@@ -4,17 +4,18 @@
 # Copyright © 2023 Glenn Y. Rolland <glenux@glenux.net>
 
 require "shellwords"
-require "./filesystem"
+require "./abstract_filesystem"
 
 module GX
-  class HttpDirFS < Filesystem
+  module Filesystem
+  class HttpDirFS < AbstractFilesystem
     getter name : String = ""
     getter url : String = ""
 
     @[YAML::Field(key: "mount_dir", ignore: true)]
     getter mount_dir : String = ""
 
-    include GenericFilesystem
+    include FilesystemBase
 
     def after_initialize()
       home_dir = ENV["HOME"] || raise "Home directory not found"
@@ -44,5 +45,6 @@ module GX
       end
     end
   end
+  end
 end
 

src/filesystems/sshfs.cr

@@ -4,10 +4,11 @@
 # Copyright © 2023 Glenn Y. Rolland <glenux@glenux.net>
 
 require "shellwords"
-require "./filesystem"
+require "./abstract_filesystem"
 
 module GX
-  class SshFS < Filesystem
+  module Filesystem
+    class SshFS < AbstractFilesystem
       getter name : String = ""
       getter remote_path : String = ""
       getter remote_user : String = ""
@@ -17,7 +18,7 @@ module GX
       @[YAML::Field(key: "mount_dir", ignore: true)]
       getter mount_dir : String = ""
 
-    include GenericFilesystem
+      include FilesystemBase
 
       def after_initialize()
         home_dir = ENV["HOME"] || raise "Home directory not found"
@@ -51,4 +52,5 @@ module GX
         end
       end
     end
+  end
 end