From ead327cc8efc623968b2a14f8a3846b1d79ae630 Mon Sep 17 00:00:00 2001
From: typebrook <typebrook@gmail.com>
Date: Sun, 17 May 2020 22:14:22 +0800
Subject: Refactor gist fetching functions

- query gists by user now supports pagnation
- print '[num] gists fetched' to tty
---
 gist | 62 +++++++++++++++++++++++++++++++++-----------------------------
 1 file changed, 33 insertions(+), 29 deletions(-)

diff --git a/gist b/gist
index a3b54ed..0bd4f63 100755
--- a/gist
+++ b/gist
@@ -389,9 +389,15 @@ _parse_response() {
   done
 }
 
+# Get a single JSON object of gist from response, and update index file
+_update_gist() {
+  local record="$(sed -e '1 s/^/[/; $ s/$/]/' | index=$1 _parse_response)"
+  [[ -n $record ]] && sed -i'' -Ee "/^$1 / s^.+^$record^" $INDEX
+}
+
 # Get latest list of gists from Github API
 _fetch_gists() {
-  local route="users/$user/gists"
+  local route=${route:-users/$user/gists}
   if [[ $mark == s ]]; then
     route='gists/starred'
   fi
@@ -403,54 +409,52 @@ _fetch_gists() {
 
 # consider if HEADER is not exist
 _fetch_gists_with_pagnation() {
-  echo "fetching $user's gists from $GITHUB_API..."
-  echo
-
-  local fetched_records=$(tmp_file fetched)
-  _fetch_gists "?per_page=$per_page" >> $fetched_records
+  _fetch_gists "?per_page=$per_page" >> $1
 
   while true; do
     local next_page=''
     [[ -e $HEADER ]] && next_page=$(sed -Ene '/^[lL]ink: / s/.+page=([[:digit:]]+)>; rel=\"next\".+/\1/p' $HEADER)
     [[ -z $next_page ]] && break
-    printf "%-4s gists fetched\n" $(( ($next_page -1) * $per_page ))
+    printf "%-4s gists fetched\n" $(( ($next_page -1) * $per_page )) > /dev/tty
 
-    _fetch_gists "?per_page=$per_page&page=$next_page" >> $fetched_records 
+    _fetch_gists "?per_page=$per_page&page=$next_page" >> $1 
   done || return 1
+}
 
-  [[ ! -s $fetched_records ]] && echo 'Not a single valid gist' && return 0
+# Update index file by GITHUB API with pagnation
+_update_gists() {
+  echo "fetching $user's gists from $GITHUB_API..."
+  echo
+
+  local fetched_records=$(tmp_file fetched)
+  _fetch_gists_with_pagnation $fetched_records || { echo Something screwed; exit 1; }
 
+  [[ ! -s $fetched_records ]] && echo 'Not a single valid gist' && return 0
   sed -i'' -Ee "/^$mark/ d" $INDEX
+
+  extra="s0 True https://gist.github.com/b0d2e7e67aa50298fdf8111ae7466b56 #bash,#gist NONE README.md@Markdown,gist@Shell 2 30 typebrook 2019-12-26T06:49:40Z 2020-05-15T13:00:31Z [bash-gist] A bash script for gist management"
+  [[ $mark == s ]] && echo $extra >> $INDEX
+
   tac <$fetched_records | nl -s' ' \
   | while read -r "${INDEX_FORMAT[@]:0:2}" extra; do
-    local prefix=''; [[ $public == False ]] && prefix=p
+    local prefix=''
+    [[ $public == False ]] && prefix=p; [[ $mark == s ]] && prefix=s
     echo $prefix$index $public $extra
   done >> $INDEX
-  hint=$hint _show_list
 
+  hint=$hint _show_list
   [[ $auto_sync != false ]] && (_sync_repos &> /dev/null &)
   true
-  #extra="s0 https://gist.github.com/b0d2e7e67aa50298fdf8111ae7466b56 #bash,#gist NONE README.md@Markdown,gist@Shell 2 30 typebrook 2019-12-26T06:49:40Z 2020-05-15T13:00:31Z [bash-gist] A bash script for gist management"
-  #result=$(printf "${extra:+$extra\n}$result")
-}
-
-# Get a single JSON object of gist from response, and update index file
-_update_gist() {
-  local record="$(sed -e '1 s/^/[/; $ s/$/]/' | index=$1 _parse_response)"
-  [[ -n $record ]] && sed -i'' -Ee "/^$1 / s^.+^$record^" $INDEX
 }
 
 # Fetch gists for a given user
-# TODO pagnation for more than 100 gists
 _query_user() {
-  local route="users/$1/gists"
-  result="$(http_method GET $GITHUB_API/$route?per_page=100 | _parse_response)"
-  [[ -z $result ]] && echo "Failed to query $1's gists" && return 1
-
-  echo "$result" \
-  | while read -r "${INDEX_FORMAT[@]}"; do
+  local fetched_records=$(tmp_file fetched)
+  route=users/$1/gists _fetch_gists_with_pagnation $fetched_records
+  cat $fetched_records \
+  | while read -r ${INDEX_FORMAT[@]#index}; do
     echo "$url $author $file_num $comment_num $description" | cut -c -"$(tput cols)"
-  done
+  done || { echo "Failed to query $1's gists"; exit 1; }
 }
 
 # Return the unique code for current commit, to compare repo status and the result of 'gist fetch'
@@ -838,7 +842,7 @@ _access_last_index() {
 }
 
 _apply_config "$@" || exit 1
-if [[ $init ]]; then _fetch_gists_with_pagnation; exit 0; fi
+if [[ $init ]]; then _update_gists; exit 0; fi
 case "$1" in
   "")
     _show_list ;;
@@ -848,7 +852,7 @@ case "$1" in
     mark=.; _show_list ;;
   fetch | f)
     [[ $2 =~ ^(s|star)$ ]] && mark=s || mark=[^s]
-    _fetch_gists_with_pagnation ;;
+    _update_gists ;;
   new | n)
     shift
     _create_gist "$@" ;;
-- 
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