From a4f9b401d3bbde8a27998f3e6e1b51cc810ff86e Mon Sep 17 00:00:00 2001
From: Aaron Fiore <founder@evergreencrypto.co>
Date: Wed, 7 Aug 2024 23:29:55 -0700
Subject: [PATCH] container: bash: add plugins support / lib_plugins

- Executes plugins within profile/subprofile context
  * Hooks into the container's global environment
---
 container/src/finance/finance.bash            |  4 +
 .../src/finance/lib/internal/lib_plugins.bash | 73 +++++++++++++++++++
 container/src/finance/lib/lib_finance.bash    |  7 ++
 3 files changed, 84 insertions(+)
 create mode 100644 container/src/finance/lib/internal/lib_plugins.bash

diff --git a/container/src/finance/finance.bash b/container/src/finance/finance.bash
index e889c1e..324a413 100755
--- a/container/src/finance/finance.bash
+++ b/container/src/finance/finance.bash
@@ -58,6 +58,7 @@ function main()
   ledger-ui     \e[34;3mStart terminal UI (hledger-ui)\e[0m
   ledger-web    \e[34;3mStart web-based UI (hledger-web)\e[0m
   meta          \e[34;3mSearch local financial metadata\e[0m
+  plugins       \e[34;3mExecute given plugin available in plugins' path\e[0m
   reports       \e[34;3mGenerate balance sheet, income statement, etc.\e[0m
   root          \e[34;3mRun ROOT.cern instance for docker-finance analysis\e[0m
   taxes         \e[34;3mGenerate tax reports\e[0m
@@ -122,6 +123,9 @@ function main()
     meta)
       lib_finance::meta "${@:3}"
       ;;
+    plugins)
+      lib_finance::plugins "${@:3}"
+      ;;
     reports)
       lib_finance::reports "${@:3}"
       ;;
diff --git a/container/src/finance/lib/internal/lib_plugins.bash b/container/src/finance/lib/internal/lib_plugins.bash
new file mode 100644
index 0000000..9fe3c52
--- /dev/null
+++ b/container/src/finance/lib/internal/lib_plugins.bash
@@ -0,0 +1,73 @@
+#!/usr/bin/env bash
+
+# docker-finance | modern accounting for the power-user
+#
+# Copyright (C) 2024 Aaron Fiore (Founder, Evergreen Crypto LLC)
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation  either version 3 of the License  or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not  see <https://www.gnu.org/licenses/>.
+
+#
+# "Libraries"
+#
+
+[ -z "$DOCKER_FINANCE_CONTAINER_REPO" ] && exit 1
+source "${DOCKER_FINANCE_CONTAINER_REPO}/src/finance/lib/internal/lib_utils.bash" || exit 1
+
+#
+# Facade
+#
+
+function lib_plugins::plugins()
+{
+  # NOTE: no args to parse, pass directly to plugin
+  lib_plugins::__plugins "$@"
+  lib_utils::catch $?
+}
+
+#
+# Implementation
+#
+
+function lib_plugins::__plugins()
+{
+  [ -z "$global_usage" ] && lib_utils::die_fatal
+
+  [ -z "$DOCKER_FINANCE_CONTAINER_FLOW" ] && lib_utils::die_fatal
+  local -r _path="${DOCKER_FINANCE_CONTAINER_FLOW}/plugins"
+
+  local -r _usage="
+\e[32mDescription:\e[0m
+
+  Execute a plugin within the flow plugins path
+
+\e[32mUsage:\e[0m
+
+  $ $global_usage <plugin> [args]
+
+\e[32mExamples:\e[0m
+
+  \e[37;2m# Execute a custom plugin in ${_path}\e[0m
+  $ $global_usage example.bash \"hello\"
+"
+
+  if [ "$#" -eq 0 ]; then
+    lib_utils::die_usage "$_usage"
+  fi
+
+  exec ${_path}/$*
+
+  return $?
+}
+
+# vim: sw=2 sts=2 si ai et
diff --git a/container/src/finance/lib/lib_finance.bash b/container/src/finance/lib/lib_finance.bash
index 5f80c71..3ffb83a 100644
--- a/container/src/finance/lib/lib_finance.bash
+++ b/container/src/finance/lib/lib_finance.bash
@@ -87,6 +87,7 @@ function lib_finance::finance()
   source "${DOCKER_FINANCE_CONTAINER_REPO}/src/finance/lib/internal/lib_fetch.bash" || exit 1
   source "${DOCKER_FINANCE_CONTAINER_REPO}/src/finance/lib/internal/lib_ledger.bash" || exit 1
   source "${DOCKER_FINANCE_CONTAINER_REPO}/src/finance/lib/internal/lib_meta.bash" || exit 1
+  source "${DOCKER_FINANCE_CONTAINER_REPO}/src/finance/lib/internal/lib_plugins.bash" || exit 1
   source "${DOCKER_FINANCE_CONTAINER_REPO}/src/finance/lib/internal/lib_reports.bash" || exit 1
   source "${DOCKER_FINANCE_CONTAINER_REPO}/src/finance/lib/internal/lib_taxes.bash" || exit 1
 }
@@ -199,6 +200,12 @@ function lib_finance::ledger-web()
   lib_utils::catch $?
 }
 
+function lib_finance::plugins()
+{
+  lib_plugins::plugins "$@"
+  lib_utils::catch $?
+}
+
 function lib_finance::reports()
 {
   lib_reports::reports "$@"