Merge pull request #179 into master

21967e7 container: lib_taxes: remove unused arg expansion, appease the linter (Aaron Fiore)
08c1de5 container: lib_taxes: optimize record printing, add checks and logging (Aaron Fiore)

container/src/finance/lib/internal/lib_taxes.bash

@@ -31,7 +31,7 @@ source "${DOCKER_FINANCE_CONTAINER_REPO}/src/finance/lib/internal/lib_utils.bash
 function lib_taxes::taxes()
 {
   lib_taxes::__parse_args "$@"
-  lib_taxes::__taxes "$@"
+  lib_taxes::__taxes
   lib_utils::catch $?
 }
 
@@ -446,6 +446,8 @@ function lib_taxes::__taxes_print()
                printf "\n"
              }
              {
+               if (!NR) { exit }
+
                Date = $1
                Action = $2
                Account = $3
@@ -625,6 +627,9 @@ function lib_taxes::__taxes_print()
              END { print prev }' \
           | gawk -M -v PREC=100 \
             '{
+               # NOTE: if previous only produces OFS, this will exit
+               if (!$NF) { exit }
+
                # If more than triplet form, support quadruple form
                # TODO: support more than 4 if necessary
                if ($13 == $10)
@@ -839,7 +844,7 @@ function lib_taxes::__taxes_print()
                      print $0
                      exit
                  }
-            }' | grep -vE "(,BUY,,,,USD,0,,|,,,,,,,,,,,0.000000000000000000)" # TODO: HACK
+            }'
       fi
 
       #
@@ -861,6 +866,8 @@ function lib_taxes::__taxes_print()
           | sort -u \
           | gawk \
             '{
+               if (!NR) { exit }
+
                txid = $1; FeeCurrency = $5; Fee = $6
                a[$1]=a[$1] ? a[$1] OFS txid OFS FeeCurrency OFS Fee : $0
              } END { for(i in a) {print a[i]} }' FS=, OFS=, \
@@ -956,12 +963,24 @@ function lib_taxes::__taxes_print()
            if (NR == 1)
              {
                Header=$0
-               print Header
              }
+           # Save non-header row(s)
            if ($0 != Header)
              {
-               print
+               Data[i++] = $0
              }
+        }
+        END {
+          # Only print header if non-header row(s) exist
+          if (length(Data))
+            {
+              print Header
+            }
+          # Print all non-header row(s)
+          for (i=0; i < length(Data); i++)
+            {
+              print Data[i]
+            }
         }' FS=, OFS=,
     # WARNING:
     #  - Do not run unique (sort -ru)! There are legitimate income/trade entries
@@ -1026,8 +1045,14 @@ function lib_taxes::__taxes_write()
       lib_utils::print_custom "    \e[32m├─\e[34m\e[1;3m ${_arg_tag} (full)\e[0m\n"
 
       local _base_path="${_tax_root_dir}/${_arg_tag}/${_tax_year}_${_arg_tag}"
-      lib_taxes::__taxes_print "$_tax_year" "$_arg_tag" >"${_base_path}-${_ext_full}"
+      local _out_file="${_base_path}-${_ext_full}"
+
+      lib_taxes::__taxes_print "$_tax_year" "$_arg_tag" >"${_out_file}"
       lib_utils::catch $?
+
+      if [[ ! -f "$_out_file" || ! -s "$_out_file" ]]; then
+        lib_utils::print_warning "Nothing generated for '${_arg_tag}' (no taxable event found for the year ${global_arg_year})"
+      fi
     done
 
     # Patch transparent (full) reports
@@ -1207,6 +1232,9 @@ function lib_taxes::__reports_patch()
   # Verify success of patches
   #
 
+  lib_utils::print_custom "    \e[32m│\e[0m\t\e[37;2m ... Verifying patches (full) ...\e[0m\n"
+  lib_utils::print_custom "    \e[32m│\e[0m\n"
+
   lib_taxes::__reports_patch_verify "$_income" "${_spends_tags[@]}" "${_trades_tags[@]}"
   lib_taxes::__reports_patch_verify "$_spends" "${_trades_tags[@]}" "${_income_tags[@]}"
   lib_taxes::__reports_patch_verify "$_trades" "${_income_tags[@]}" "${_spends_tags[@]}"
@@ -1217,16 +1245,20 @@ function lib_taxes::__reports_patch_verify()
   local _file="$1"
   local _tags=("${@:2}")
 
-  [ ! -f "$_file" ] && lib_utils::die_fatal "$_file not found"
+  [[ -z "$_file" || -z "${_tags[*]}" ]] && lib_utils::die_fatal
 
-  xsv select "Action" "$_file" \
-    | sort -u \
-    | tail -n +2 \
-    | while read _line; do
-      for _tag in "${_tags[@]}"; do
-        [[ "$_line" != "$_tag" ]] || lib_utils::die_fatal "Bad entry in $_file"
+  [ ! -f "$_file" ] && lib_utils::die_fatal "File not found: '${_file}'"
+
+  if [ -s "$_file" ]; then
+    xsv select "Action" "$_file" \
+      | sort -u \
+      | tail -n +2 \
+      | while read _line; do
+        for _tag in "${_tags[@]}"; do
+          [[ "$_line" != "$_tag" ]] || lib_utils::die_fatal "Bad entry in $_file"
+        done
       done
-    done
+  fi
 }
 
 #
@@ -1253,6 +1285,8 @@ function lib_taxes::__reports_obfs()
   lib_taxes::__reports_obfs_gen
 }
 
+# TODO: refactor to remove shellcheck
+# shellcheck disable=SC2120
 function lib_taxes::__reports_obfs_gen()
 {
   # Temp storage